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#define DEFAULT_FAST_REAUTH 1
22#define DEFAULT_P2P_GO_INTENT 7
23#define DEFAULT_P2P_INTRA_BSS 1
24#define DEFAULT_P2P_GO_MAX_INACTIVITY (5 * 60)
25#define DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN 0
26#define DEFAULT_BSS_MAX_COUNT 200
27#define DEFAULT_BSS_EXPIRATION_AGE 180
28#define DEFAULT_BSS_EXPIRATION_SCAN_COUNT 2
29#define DEFAULT_MAX_NUM_STA 128
30#define DEFAULT_ACCESS_NETWORK_TYPE 15
31#define DEFAULT_SCAN_CUR_FREQ 0
32#define DEFAULT_P2P_SEARCH_DELAY 500
33#define DEFAULT_RAND_ADDR_LIFETIME 60
34#define DEFAULT_KEY_MGMT_OFFLOAD 1
35#define DEFAULT_CERT_IN_CB 1
36#define DEFAULT_P2P_GO_CTWINDOW 0
37
38#include "config_ssid.h"
39#include "wps/wps.h"
40#include "common/ieee802_11_defs.h"
41#include "common/ieee802_11_common.h"
42
43
44struct wpa_cred {
45	/**
46	 * next - Next credential in the list
47	 *
48	 * This pointer can be used to iterate over all credentials. The head
49	 * of this list is stored in the cred field of struct wpa_config.
50	 */
51	struct wpa_cred *next;
52
53	/**
54	 * id - Unique id for the credential
55	 *
56	 * This identifier is used as a unique identifier for each credential
57	 * block when using the control interface. Each credential is allocated
58	 * an id when it is being created, either when reading the
59	 * configuration file or when a new credential is added through the
60	 * control interface.
61	 */
62	int id;
63
64	/**
65	 * temporary - Whether this credential is temporary and not to be saved
66	 */
67	int temporary;
68
69	/**
70	 * priority - Priority group
71	 *
72	 * By default, all networks and credentials get the same priority group
73	 * (0). This field can be used to give higher priority for credentials
74	 * (and similarly in struct wpa_ssid for network blocks) to change the
75	 * Interworking automatic networking selection behavior. The matching
76	 * network (based on either an enabled network block or a credential)
77	 * with the highest priority value will be selected.
78	 */
79	int priority;
80
81	/**
82	 * pcsc - Use PC/SC and SIM/USIM card
83	 */
84	int pcsc;
85
86	/**
87	 * realm - Home Realm for Interworking
88	 */
89	char *realm;
90
91	/**
92	 * username - Username for Interworking network selection
93	 */
94	char *username;
95
96	/**
97	 * password - Password for Interworking network selection
98	 */
99	char *password;
100
101	/**
102	 * ext_password - Whether password is a name for external storage
103	 */
104	int ext_password;
105
106	/**
107	 * ca_cert - CA certificate for Interworking network selection
108	 */
109	char *ca_cert;
110
111	/**
112	 * client_cert - File path to client certificate file (PEM/DER)
113	 *
114	 * This field is used with Interworking networking selection for a case
115	 * where client certificate/private key is used for authentication
116	 * (EAP-TLS). Full path to the file should be used since working
117	 * directory may change when wpa_supplicant is run in the background.
118	 *
119	 * Alternatively, a named configuration blob can be used by setting
120	 * this to blob://blob_name.
121	 */
122	char *client_cert;
123
124	/**
125	 * private_key - File path to client private key file (PEM/DER/PFX)
126	 *
127	 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be
128	 * commented out. Both the private key and certificate will be read
129	 * from the PKCS#12 file in this case. Full path to the file should be
130	 * used since working directory may change when wpa_supplicant is run
131	 * in the background.
132	 *
133	 * Windows certificate store can be used by leaving client_cert out and
134	 * configuring private_key in one of the following formats:
135	 *
136	 * cert://substring_to_match
137	 *
138	 * hash://certificate_thumbprint_in_hex
139	 *
140	 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4"
141	 *
142	 * Note that when running wpa_supplicant as an application, the user
143	 * certificate store (My user account) is used, whereas computer store
144	 * (Computer account) is used when running wpasvc as a service.
145	 *
146	 * Alternatively, a named configuration blob can be used by setting
147	 * this to blob://blob_name.
148	 */
149	char *private_key;
150
151	/**
152	 * private_key_passwd - Password for private key file
153	 */
154	char *private_key_passwd;
155
156	/**
157	 * imsi - IMSI in <MCC> | <MNC> | '-' | <MSIN> format
158	 */
159	char *imsi;
160
161	/**
162	 * milenage - Milenage parameters for SIM/USIM simulator in
163	 *	<Ki>:<OPc>:<SQN> format
164	 */
165	char *milenage;
166
167	/**
168	 * domain_suffix_match - Constraint for server domain name
169	 *
170	 * If set, this FQDN is used as a suffix match requirement for the AAA
171	 * server certificate in SubjectAltName dNSName element(s). If a
172	 * matching dNSName is found, this constraint is met. If no dNSName
173	 * values are present, this constraint is matched against SubjectName CN
174	 * using same suffix match comparison. Suffix match here means that the
175	 * host/domain name is compared one label at a time starting from the
176	 * top-level domain and all the labels in @domain_suffix_match shall be
177	 * included in the certificate. The certificate may include additional
178	 * sub-level labels in addition to the required labels.
179	 *
180	 * For example, domain_suffix_match=example.com would match
181	 * test.example.com but would not match test-example.com.
182	 */
183	char *domain_suffix_match;
184
185	/**
186	 * domain - Home service provider FQDN(s)
187	 *
188	 * This is used to compare against the Domain Name List to figure out
189	 * whether the AP is operated by the Home SP. Multiple domain entries
190	 * can be used to configure alternative FQDNs that will be considered
191	 * home networks.
192	 */
193	char **domain;
194
195	/**
196	 * num_domain - Number of FQDNs in the domain array
197	 */
198	size_t num_domain;
199
200	/**
201	 * roaming_consortium - Roaming Consortium OI
202	 *
203	 * If roaming_consortium_len is non-zero, this field contains the
204	 * Roaming Consortium OI that can be used to determine which access
205	 * points support authentication with this credential. This is an
206	 * alternative to the use of the realm parameter. When using Roaming
207	 * Consortium to match the network, the EAP parameters need to be
208	 * pre-configured with the credential since the NAI Realm information
209	 * may not be available or fetched.
210	 */
211	u8 roaming_consortium[15];
212
213	/**
214	 * roaming_consortium_len - Length of roaming_consortium
215	 */
216	size_t roaming_consortium_len;
217
218	u8 required_roaming_consortium[15];
219	size_t required_roaming_consortium_len;
220
221	/**
222	 * eap_method - EAP method to use
223	 *
224	 * Pre-configured EAP method to use with this credential or %NULL to
225	 * indicate no EAP method is selected, i.e., the method will be
226	 * selected automatically based on ANQP information.
227	 */
228	struct eap_method_type *eap_method;
229
230	/**
231	 * phase1 - Phase 1 (outer authentication) parameters
232	 *
233	 * Pre-configured EAP parameters or %NULL.
234	 */
235	char *phase1;
236
237	/**
238	 * phase2 - Phase 2 (inner authentication) parameters
239	 *
240	 * Pre-configured EAP parameters or %NULL.
241	 */
242	char *phase2;
243
244	struct excluded_ssid {
245		u8 ssid[SSID_MAX_LEN];
246		size_t ssid_len;
247	} *excluded_ssid;
248	size_t num_excluded_ssid;
249
250	struct roaming_partner {
251		char fqdn[128];
252		int exact_match;
253		u8 priority;
254		char country[3];
255	} *roaming_partner;
256	size_t num_roaming_partner;
257
258	int update_identifier;
259
260	/**
261	 * provisioning_sp - FQDN of the SP that provisioned the credential
262	 */
263	char *provisioning_sp;
264
265	/**
266	 * sp_priority - Credential priority within a provisioning SP
267	 *
268	 * This is the priority of the credential among all credentials
269	 * provisionined by the same SP (i.e., for entries that have identical
270	 * provisioning_sp value). The range of this priority is 0-255 with 0
271	 * being the highest and 255 the lower priority.
272	 */
273	int sp_priority;
274
275	unsigned int min_dl_bandwidth_home;
276	unsigned int min_ul_bandwidth_home;
277	unsigned int min_dl_bandwidth_roaming;
278	unsigned int min_ul_bandwidth_roaming;
279
280	/**
281	 * max_bss_load - Maximum BSS Load Channel Utilization (1..255)
282	 * This value is used as the maximum channel utilization for network
283	 * selection purposes for home networks. If the AP does not advertise
284	 * BSS Load or if the limit would prevent any connection, this
285	 * constraint will be ignored.
286	 */
287	unsigned int max_bss_load;
288
289	unsigned int num_req_conn_capab;
290	u8 *req_conn_capab_proto;
291	int **req_conn_capab_port;
292
293	/**
294	 * ocsp - Whether to use/require OCSP to check server certificate
295	 *
296	 * 0 = do not use OCSP stapling (TLS certificate status extension)
297	 * 1 = try to use OCSP stapling, but not require response
298	 * 2 = require valid OCSP stapling response
299	 */
300	int ocsp;
301
302	/**
303	 * sim_num - User selected SIM identifier
304	 *
305	 * This variable is used for identifying which SIM is used if the system
306	 * has more than one.
307	 */
308	int sim_num;
309};
310
311
312#define CFG_CHANGED_DEVICE_NAME BIT(0)
313#define CFG_CHANGED_CONFIG_METHODS BIT(1)
314#define CFG_CHANGED_DEVICE_TYPE BIT(2)
315#define CFG_CHANGED_OS_VERSION BIT(3)
316#define CFG_CHANGED_UUID BIT(4)
317#define CFG_CHANGED_COUNTRY BIT(5)
318#define CFG_CHANGED_SEC_DEVICE_TYPE BIT(6)
319#define CFG_CHANGED_P2P_SSID_POSTFIX BIT(7)
320#define CFG_CHANGED_WPS_STRING BIT(8)
321#define CFG_CHANGED_P2P_INTRA_BSS BIT(9)
322#define CFG_CHANGED_VENDOR_EXTENSION BIT(10)
323#define CFG_CHANGED_P2P_LISTEN_CHANNEL BIT(11)
324#define CFG_CHANGED_P2P_OPER_CHANNEL BIT(12)
325#define CFG_CHANGED_P2P_PREF_CHAN BIT(13)
326#define CFG_CHANGED_EXT_PW_BACKEND BIT(14)
327#define CFG_CHANGED_NFC_PASSWORD_TOKEN BIT(15)
328#define CFG_CHANGED_P2P_PASSPHRASE_LEN BIT(16)
329
330/**
331 * struct wpa_config - wpa_supplicant configuration data
332 *
333 * This data structure is presents the per-interface (radio) configuration
334 * data. In many cases, there is only one struct wpa_config instance, but if
335 * more than one network interface is being controlled, one instance is used
336 * for each.
337 */
338struct wpa_config {
339	/**
340	 * ssid - Head of the global network list
341	 *
342	 * This is the head for the list of all the configured networks.
343	 */
344	struct wpa_ssid *ssid;
345
346	/**
347	 * pssid - Per-priority network lists (in priority order)
348	 */
349	struct wpa_ssid **pssid;
350
351	/**
352	 * num_prio - Number of different priorities used in the pssid lists
353	 *
354	 * This indicates how many per-priority network lists are included in
355	 * pssid.
356	 */
357	int num_prio;
358
359	/**
360	 * cred - Head of the credential list
361	 *
362	 * This is the head for the list of all the configured credentials.
363	 */
364	struct wpa_cred *cred;
365
366	/**
367	 * eapol_version - IEEE 802.1X/EAPOL version number
368	 *
369	 * wpa_supplicant is implemented based on IEEE Std 802.1X-2004 which
370	 * defines EAPOL version 2. However, there are many APs that do not
371	 * handle the new version number correctly (they seem to drop the
372	 * frames completely). In order to make wpa_supplicant interoperate
373	 * with these APs, the version number is set to 1 by default. This
374	 * configuration value can be used to set it to the new version (2).
375	 */
376	int eapol_version;
377
378	/**
379	 * ap_scan - AP scanning/selection
380	 *
381	 * By default, wpa_supplicant requests driver to perform AP
382	 * scanning and then uses the scan results to select a
383	 * suitable AP. Another alternative is to allow the driver to
384	 * take care of AP scanning and selection and use
385	 * wpa_supplicant just to process EAPOL frames based on IEEE
386	 * 802.11 association information from the driver.
387	 *
388	 * 1: wpa_supplicant initiates scanning and AP selection (default).
389	 *
390	 * 0: Driver takes care of scanning, AP selection, and IEEE 802.11
391	 * association parameters (e.g., WPA IE generation); this mode can
392	 * also be used with non-WPA drivers when using IEEE 802.1X mode;
393	 * do not try to associate with APs (i.e., external program needs
394	 * to control association). This mode must also be used when using
395	 * wired Ethernet drivers.
396	 *
397	 * 2: like 0, but associate with APs using security policy and SSID
398	 * (but not BSSID); this can be used, e.g., with ndiswrapper and NDIS
399	 * drivers to enable operation with hidden SSIDs and optimized roaming;
400	 * in this mode, the network blocks in the configuration are tried
401	 * one by one until the driver reports successful association; each
402	 * network block should have explicit security policy (i.e., only one
403	 * option in the lists) for key_mgmt, pairwise, group, proto variables.
404	 */
405	int ap_scan;
406
407	/**
408	 * bgscan - Background scan and roaming parameters or %NULL if none
409	 *
410	 * This is an optional set of parameters for background scanning and
411	 * roaming within a network (ESS). For more detailed information see
412	 * ssid block documentation.
413	 *
414	 * The variable defines default bgscan behavior for all BSS station
415	 * networks except for those which have their own bgscan configuration.
416	 */
417	 char *bgscan;
418
419	/**
420	 * disable_scan_offload - Disable automatic offloading of scan requests
421	 *
422	 * By default, %wpa_supplicant tries to offload scanning if the driver
423	 * indicates support for this (sched_scan). This configuration
424	 * parameter can be used to disable this offloading mechanism.
425	 */
426	int disable_scan_offload;
427
428	/**
429	 * ctrl_interface - Parameters for the control interface
430	 *
431	 * If this is specified, %wpa_supplicant will open a control interface
432	 * that is available for external programs to manage %wpa_supplicant.
433	 * The meaning of this string depends on which control interface
434	 * mechanism is used. For all cases, the existence of this parameter
435	 * in configuration is used to determine whether the control interface
436	 * is enabled.
437	 *
438	 * For UNIX domain sockets (default on Linux and BSD): This is a
439	 * directory that will be created for UNIX domain sockets for listening
440	 * to requests from external programs (CLI/GUI, etc.) for status
441	 * information and configuration. The socket file will be named based
442	 * on the interface name, so multiple %wpa_supplicant processes can be
443	 * run at the same time if more than one interface is used.
444	 * /var/run/wpa_supplicant is the recommended directory for sockets and
445	 * by default, wpa_cli will use it when trying to connect with
446	 * %wpa_supplicant.
447	 *
448	 * Access control for the control interface can be configured
449	 * by setting the directory to allow only members of a group
450	 * to use sockets. This way, it is possible to run
451	 * %wpa_supplicant as root (since it needs to change network
452	 * configuration and open raw sockets) and still allow GUI/CLI
453	 * components to be run as non-root users. However, since the
454	 * control interface can be used to change the network
455	 * configuration, this access needs to be protected in many
456	 * cases. By default, %wpa_supplicant is configured to use gid
457	 * 0 (root). If you want to allow non-root users to use the
458	 * control interface, add a new group and change this value to
459	 * match with that group. Add users that should have control
460	 * interface access to this group.
461	 *
462	 * When configuring both the directory and group, use following format:
463	 * DIR=/var/run/wpa_supplicant GROUP=wheel
464	 * DIR=/var/run/wpa_supplicant GROUP=0
465	 * (group can be either group name or gid)
466	 *
467	 * For UDP connections (default on Windows): The value will be ignored.
468	 * This variable is just used to select that the control interface is
469	 * to be created. The value can be set to, e.g., udp
470	 * (ctrl_interface=udp).
471	 *
472	 * For Windows Named Pipe: This value can be used to set the security
473	 * descriptor for controlling access to the control interface. Security
474	 * descriptor can be set using Security Descriptor String Format (see
475	 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthz/security/security_descriptor_string_format.asp).
476	 * The descriptor string needs to be prefixed with SDDL=. For example,
477	 * ctrl_interface=SDDL=D: would set an empty DACL (which will reject
478	 * all connections).
479	 */
480	char *ctrl_interface;
481
482	/**
483	 * ctrl_interface_group - Control interface group (DEPRECATED)
484	 *
485	 * This variable is only used for backwards compatibility. Group for
486	 * UNIX domain sockets should now be specified using GROUP=group in
487	 * ctrl_interface variable.
488	 */
489	char *ctrl_interface_group;
490
491	/**
492	 * fast_reauth - EAP fast re-authentication (session resumption)
493	 *
494	 * By default, fast re-authentication is enabled for all EAP methods
495	 * that support it. This variable can be used to disable fast
496	 * re-authentication (by setting fast_reauth=0). Normally, there is no
497	 * need to disable fast re-authentication.
498	 */
499	int fast_reauth;
500
501	/**
502	 * opensc_engine_path - Path to the OpenSSL engine for opensc
503	 *
504	 * This is an OpenSSL specific configuration option for loading OpenSC
505	 * engine (engine_opensc.so); if %NULL, this engine is not loaded.
506	 */
507	char *opensc_engine_path;
508
509	/**
510	 * pkcs11_engine_path - Path to the OpenSSL engine for PKCS#11
511	 *
512	 * This is an OpenSSL specific configuration option for loading PKCS#11
513	 * engine (engine_pkcs11.so); if %NULL, this engine is not loaded.
514	 */
515	char *pkcs11_engine_path;
516
517	/**
518	 * pkcs11_module_path - Path to the OpenSSL OpenSC/PKCS#11 module
519	 *
520	 * This is an OpenSSL specific configuration option for configuring
521	 * path to OpenSC/PKCS#11 engine (opensc-pkcs11.so); if %NULL, this
522	 * module is not loaded.
523	 */
524	char *pkcs11_module_path;
525
526	/**
527	 * openssl_ciphers - OpenSSL cipher string
528	 *
529	 * This is an OpenSSL specific configuration option for configuring the
530	 * default ciphers. If not set, "DEFAULT:!EXP:!LOW" is used as the
531	 * default.
532	 */
533	char *openssl_ciphers;
534
535	/**
536	 * pcsc_reader - PC/SC reader name prefix
537	 *
538	 * If not %NULL, PC/SC reader with a name that matches this prefix is
539	 * initialized for SIM/USIM access. Empty string can be used to match
540	 * the first available reader.
541	 */
542	char *pcsc_reader;
543
544	/**
545	 * pcsc_pin - PIN for USIM, GSM SIM, and smartcards
546	 *
547	 * This field is used to configure PIN for SIM/USIM for EAP-SIM and
548	 * EAP-AKA. If left out, this will be asked through control interface.
549	 */
550	char *pcsc_pin;
551
552	/**
553	 * external_sim - Use external processing for SIM/USIM operations
554	 */
555	int external_sim;
556
557	/**
558	 * driver_param - Driver interface parameters
559	 *
560	 * This text string is passed to the selected driver interface with the
561	 * optional struct wpa_driver_ops::set_param() handler. This can be
562	 * used to configure driver specific options without having to add new
563	 * driver interface functionality.
564	 */
565	char *driver_param;
566
567	/**
568	 * dot11RSNAConfigPMKLifetime - Maximum lifetime of a PMK
569	 *
570	 * dot11 MIB variable for the maximum lifetime of a PMK in the PMK
571	 * cache (unit: seconds).
572	 */
573	unsigned int dot11RSNAConfigPMKLifetime;
574
575	/**
576	 * dot11RSNAConfigPMKReauthThreshold - PMK re-authentication threshold
577	 *
578	 * dot11 MIB variable for the percentage of the PMK lifetime
579	 * that should expire before an IEEE 802.1X reauthentication occurs.
580	 */
581	unsigned int dot11RSNAConfigPMKReauthThreshold;
582
583	/**
584	 * dot11RSNAConfigSATimeout - Security association timeout
585	 *
586	 * dot11 MIB variable for the maximum time a security association
587	 * shall take to set up (unit: seconds).
588	 */
589	unsigned int dot11RSNAConfigSATimeout;
590
591	/**
592	 * update_config - Is wpa_supplicant allowed to update configuration
593	 *
594	 * This variable control whether wpa_supplicant is allow to re-write
595	 * its configuration with wpa_config_write(). If this is zero,
596	 * configuration data is only changed in memory and the external data
597	 * is not overriden. If this is non-zero, wpa_supplicant will update
598	 * the configuration data (e.g., a file) whenever configuration is
599	 * changed. This update may replace the old configuration which can
600	 * remove comments from it in case of a text file configuration.
601	 */
602	int update_config;
603
604	/**
605	 * blobs - Configuration blobs
606	 */
607	struct wpa_config_blob *blobs;
608
609	/**
610	 * uuid - Universally Unique IDentifier (UUID; see RFC 4122) for WPS
611	 */
612	u8 uuid[16];
613
614	/**
615	 * device_name - Device Name (WPS)
616	 * User-friendly description of device; up to 32 octets encoded in
617	 * UTF-8
618	 */
619	char *device_name;
620
621	/**
622	 * manufacturer - Manufacturer (WPS)
623	 * The manufacturer of the device (up to 64 ASCII characters)
624	 */
625	char *manufacturer;
626
627	/**
628	 * model_name - Model Name (WPS)
629	 * Model of the device (up to 32 ASCII characters)
630	 */
631	char *model_name;
632
633	/**
634	 * model_number - Model Number (WPS)
635	 * Additional device description (up to 32 ASCII characters)
636	 */
637	char *model_number;
638
639	/**
640	 * serial_number - Serial Number (WPS)
641	 * Serial number of the device (up to 32 characters)
642	 */
643	char *serial_number;
644
645	/**
646	 * device_type - Primary Device Type (WPS)
647	 */
648	u8 device_type[WPS_DEV_TYPE_LEN];
649
650	/**
651	 * config_methods - Config Methods
652	 *
653	 * This is a space-separated list of supported WPS configuration
654	 * methods. For example, "label virtual_display virtual_push_button
655	 * keypad".
656	 * Available methods: usba ethernet label display ext_nfc_token
657	 * int_nfc_token nfc_interface push_button keypad
658	 * virtual_display physical_display
659	 * virtual_push_button physical_push_button.
660	 */
661	char *config_methods;
662
663	/**
664	 * os_version - OS Version (WPS)
665	 * 4-octet operating system version number
666	 */
667	u8 os_version[4];
668
669	/**
670	 * country - Country code
671	 *
672	 * This is the ISO/IEC alpha2 country code for which we are operating
673	 * in
674	 */
675	char country[2];
676
677	/**
678	 * wps_cred_processing - Credential processing
679	 *
680	 *   0 = process received credentials internally
681	 *   1 = do not process received credentials; just pass them over
682	 *	ctrl_iface to external program(s)
683	 *   2 = process received credentials internally and pass them over
684	 *	ctrl_iface to external program(s)
685	 */
686	int wps_cred_processing;
687
688#define MAX_SEC_DEVICE_TYPES 5
689	/**
690	 * sec_device_types - Secondary Device Types (P2P)
691	 */
692	u8 sec_device_type[MAX_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN];
693	int num_sec_device_types;
694
695	int p2p_listen_reg_class;
696	int p2p_listen_channel;
697	int p2p_oper_reg_class;
698	int p2p_oper_channel;
699	int p2p_go_intent;
700	char *p2p_ssid_postfix;
701	int persistent_reconnect;
702	int p2p_intra_bss;
703	unsigned int num_p2p_pref_chan;
704	struct p2p_channel *p2p_pref_chan;
705	struct wpa_freq_range_list p2p_no_go_freq;
706	int p2p_add_cli_chan;
707	int p2p_ignore_shared_freq;
708	int p2p_optimize_listen_chan;
709
710	struct wpabuf *wps_vendor_ext_m1;
711
712#define MAX_WPS_VENDOR_EXT 10
713	/**
714	 * wps_vendor_ext - Vendor extension attributes in WPS
715	 */
716	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXT];
717
718	/**
719	 * p2p_group_idle - Maximum idle time in seconds for P2P group
720	 *
721	 * This value controls how long a P2P group is maintained after there
722	 * is no other members in the group. As a GO, this means no associated
723	 * stations in the group. As a P2P client, this means no GO seen in
724	 * scan results. The maximum idle time is specified in seconds with 0
725	 * indicating no time limit, i.e., the P2P group remains in active
726	 * state indefinitely until explicitly removed. As a P2P client, the
727	 * maximum idle time of P2P_MAX_CLIENT_IDLE seconds is enforced, i.e.,
728	 * this parameter is mainly meant for GO use and for P2P client, it can
729	 * only be used to reduce the default timeout to smaller value. A
730	 * special value -1 can be used to configure immediate removal of the
731	 * group for P2P client role on any disconnection after the data
732	 * connection has been established.
733	 */
734	int p2p_group_idle;
735
736	/**
737	 * p2p_passphrase_len - Passphrase length (8..63) for P2P GO
738	 *
739	 * This parameter controls the length of the random passphrase that is
740	 * generated at the GO.
741	 */
742	unsigned int p2p_passphrase_len;
743
744	/**
745	 * bss_max_count - Maximum number of BSS entries to keep in memory
746	 */
747	unsigned int bss_max_count;
748
749	/**
750	 * bss_expiration_age - BSS entry age after which it can be expired
751	 *
752	 * This value controls the time in seconds after which a BSS entry
753	 * gets removed if it has not been updated or is not in use.
754	 */
755	unsigned int bss_expiration_age;
756
757	/**
758	 * bss_expiration_scan_count - Expire BSS after number of scans
759	 *
760	 * If the BSS entry has not been seen in this many scans, it will be
761	 * removed. A value of 1 means that entry is removed after the first
762	 * scan in which the BSSID is not seen. Larger values can be used
763	 * to avoid BSS entries disappearing if they are not visible in
764	 * every scan (e.g., low signal quality or interference).
765	 */
766	unsigned int bss_expiration_scan_count;
767
768	/**
769	 * filter_ssids - SSID-based scan result filtering
770	 *
771	 *   0 = do not filter scan results
772	 *   1 = only include configured SSIDs in scan results/BSS table
773	 */
774	int filter_ssids;
775
776	/**
777	 * filter_rssi - RSSI-based scan result filtering
778	 *
779	 * 0 = do not filter scan results
780	 * -n = filter scan results below -n dBm
781	 */
782	int filter_rssi;
783
784	/**
785	 * max_num_sta - Maximum number of STAs in an AP/P2P GO
786	 */
787	unsigned int max_num_sta;
788
789	/**
790	 * freq_list - Array of allowed scan frequencies or %NULL for all
791	 *
792	 * This is an optional zero-terminated array of frequencies in
793	 * megahertz (MHz) to allow for narrowing scanning range.
794	 */
795	int *freq_list;
796
797	/**
798	 * scan_cur_freq - Whether to scan only the current channel
799	 *
800	 * If true, attempt to scan only the current channel if any other
801	 * VIFs on this radio are already associated on a particular channel.
802	 */
803	int scan_cur_freq;
804
805	/**
806	 * changed_parameters - Bitmap of changed parameters since last update
807	 */
808	unsigned int changed_parameters;
809
810	/**
811	 * disassoc_low_ack - Disassocicate stations with massive packet loss
812	 */
813	int disassoc_low_ack;
814
815	/**
816	 * interworking - Whether Interworking (IEEE 802.11u) is enabled
817	 */
818	int interworking;
819
820	/**
821	 * access_network_type - Access Network Type
822	 *
823	 * When Interworking is enabled, scans will be limited to APs that
824	 * advertise the specified Access Network Type (0..15; with 15
825	 * indicating wildcard match).
826	 */
827	int access_network_type;
828
829	/**
830	 * hessid - Homogenous ESS identifier
831	 *
832	 * If this is set (any octet is non-zero), scans will be used to
833	 * request response only from BSSes belonging to the specified
834	 * Homogeneous ESS. This is used only if interworking is enabled.
835	 */
836	u8 hessid[ETH_ALEN];
837
838	/**
839	 * hs20 - Hotspot 2.0
840	 */
841	int hs20;
842
843	/**
844	 * pbc_in_m1 - AP mode WPS probing workaround for PBC with Windows 7
845	 *
846	 * Windows 7 uses incorrect way of figuring out AP's WPS capabilities
847	 * by acting as a Registrar and using M1 from the AP. The config
848	 * methods attribute in that message is supposed to indicate only the
849	 * configuration method supported by the AP in Enrollee role, i.e., to
850	 * add an external Registrar. For that case, PBC shall not be used and
851	 * as such, the PushButton config method is removed from M1 by default.
852	 * If pbc_in_m1=1 is included in the configuration file, the PushButton
853	 * config method is left in M1 (if included in config_methods
854	 * parameter) to allow Windows 7 to use PBC instead of PIN (e.g., from
855	 * a label in the AP).
856	 */
857	int pbc_in_m1;
858
859	/**
860	 * autoscan - Automatic scan parameters or %NULL if none
861	 *
862	 * This is an optional set of parameters for automatic scanning
863	 * within an interface in following format:
864	 * <autoscan module name>:<module parameters>
865	 */
866	char *autoscan;
867
868	/**
869	 * wps_nfc_pw_from_config - NFC Device Password was read from config
870	 *
871	 * This parameter can be determined whether the NFC Device Password was
872	 * included in the configuration (1) or generated dynamically (0). Only
873	 * the former case is re-written back to the configuration file.
874	 */
875	int wps_nfc_pw_from_config;
876
877	/**
878	 * wps_nfc_dev_pw_id - NFC Device Password ID for password token
879	 */
880	int wps_nfc_dev_pw_id;
881
882	/**
883	 * wps_nfc_dh_pubkey - NFC DH Public Key for password token
884	 */
885	struct wpabuf *wps_nfc_dh_pubkey;
886
887	/**
888	 * wps_nfc_dh_privkey - NFC DH Private Key for password token
889	 */
890	struct wpabuf *wps_nfc_dh_privkey;
891
892	/**
893	 * wps_nfc_dev_pw - NFC Device Password for password token
894	 */
895	struct wpabuf *wps_nfc_dev_pw;
896
897	/**
898	 * ext_password_backend - External password backend or %NULL if none
899	 *
900	 * format: <backend name>[:<optional backend parameters>]
901	 */
902	char *ext_password_backend;
903
904	/*
905	 * p2p_go_max_inactivity - Timeout in seconds to detect STA inactivity
906	 *
907	 * This timeout value is used in P2P GO mode to clean up
908	 * inactive stations.
909	 * By default: 300 seconds.
910	 */
911	int p2p_go_max_inactivity;
912
913	struct hostapd_wmm_ac_params wmm_ac_params[4];
914
915	/**
916	 * auto_interworking - Whether to use network selection automatically
917	 *
918	 * 0 = do not automatically go through Interworking network selection
919	 *     (i.e., require explicit interworking_select command for this)
920	 * 1 = perform Interworking network selection if one or more
921	 *     credentials have been configured and scan did not find a
922	 *     matching network block
923	 */
924	int auto_interworking;
925
926	/**
927	 * p2p_go_ht40 - Default mode for HT40 enable when operating as GO.
928	 *
929	 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite.
930	 * Note that regulatory constraints and driver capabilities are
931	 * consulted anyway, so setting it to 1 can't do real harm.
932	 * By default: 0 (disabled)
933	 */
934	int p2p_go_ht40;
935
936	/**
937	 * p2p_go_vht - Default mode for VHT enable when operating as GO
938	 *
939	 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite.
940	 * Note that regulatory constraints and driver capabilities are
941	 * consulted anyway, so setting it to 1 can't do real harm.
942	 * By default: 0 (disabled)
943	 */
944	int p2p_go_vht;
945
946	/**
947	 * p2p_go_ctwindow - CTWindow to use when operating as GO
948	 *
949	 * By default: 0 (no CTWindow). Values 0-127 can be used to indicate
950	 * the length of the CTWindow in TUs.
951	 */
952	int p2p_go_ctwindow;
953
954	/**
955	 * p2p_disabled - Whether P2P operations are disabled for this interface
956	 */
957	int p2p_disabled;
958
959	/**
960	 * p2p_no_group_iface - Whether group interfaces can be used
961	 *
962	 * By default, wpa_supplicant will create a separate interface for P2P
963	 * group operations if the driver supports this. This functionality can
964	 * be disabled by setting this parameter to 1. In that case, the same
965	 * interface that was used for the P2P management operations is used
966	 * also for the group operation.
967	 */
968	int p2p_no_group_iface;
969
970	/**
971	 * p2p_cli_probe - Enable/disable P2P CLI probe request handling
972	 *
973	 * If this parameter is set to 1, a connected P2P Client will receive
974	 * and handle Probe Request frames. Setting this parameter to 0
975	 * disables this option. Default value: 0.
976	 *
977	 * Note: Setting this property at run time takes effect on the following
978	 * interface state transition to/from the WPA_COMPLETED state.
979	 */
980	int p2p_cli_probe;
981
982	/**
983	 * okc - Whether to enable opportunistic key caching by default
984	 *
985	 * By default, OKC is disabled unless enabled by the per-network
986	 * proactive_key_caching=1 parameter. okc=1 can be used to change this
987	 * default behavior.
988	 */
989	int okc;
990
991	/**
992	 * pmf - Whether to enable/require PMF by default
993	 *
994	 * By default, PMF is disabled unless enabled by the per-network
995	 * ieee80211w=1 or ieee80211w=2 parameter. pmf=1/2 can be used to change
996	 * this default behavior.
997	 */
998	enum mfp_options pmf;
999
1000	/**
1001	 * sae_groups - Preference list of enabled groups for SAE
1002	 *
1003	 * By default (if this parameter is not set), the mandatory group 19
1004	 * (ECC group defined over a 256-bit prime order field) is preferred,
1005	 * but other groups are also enabled. If this parameter is set, the
1006	 * groups will be tried in the indicated order.
1007	 */
1008	int *sae_groups;
1009
1010	/**
1011	 * dtim_period - Default DTIM period in Beacon intervals
1012	 *
1013	 * This parameter can be used to set the default value for network
1014	 * blocks that do not specify dtim_period.
1015	 */
1016	int dtim_period;
1017
1018	/**
1019	 * beacon_int - Default Beacon interval in TU
1020	 *
1021	 * This parameter can be used to set the default value for network
1022	 * blocks that do not specify beacon_int.
1023	 */
1024	int beacon_int;
1025
1026	/**
1027	 * ap_vendor_elements: Vendor specific elements for Beacon/ProbeResp
1028	 *
1029	 * This parameter can be used to define additional vendor specific
1030	 * elements for Beacon and Probe Response frames in AP/P2P GO mode. The
1031	 * format for these element(s) is a hexdump of the raw information
1032	 * elements (id+len+payload for one or more elements).
1033	 */
1034	struct wpabuf *ap_vendor_elements;
1035
1036	/**
1037	 * ignore_old_scan_res - Ignore scan results older than request
1038	 *
1039	 * The driver may have a cache of scan results that makes it return
1040	 * information that is older than our scan trigger. This parameter can
1041	 * be used to configure such old information to be ignored instead of
1042	 * allowing it to update the internal BSS table.
1043	 */
1044	int ignore_old_scan_res;
1045
1046	/**
1047	 * sched_scan_interval -  schedule scan interval
1048	 */
1049	unsigned int sched_scan_interval;
1050
1051	/**
1052	 * tdls_external_control - External control for TDLS setup requests
1053	 *
1054	 * Enable TDLS mode where external programs are given the control
1055	 * to specify the TDLS link to get established to the driver. The
1056	 * driver requests the TDLS setup to the supplicant only for the
1057	 * specified TDLS peers.
1058	 */
1059	int tdls_external_control;
1060
1061	u8 ip_addr_go[4];
1062	u8 ip_addr_mask[4];
1063	u8 ip_addr_start[4];
1064	u8 ip_addr_end[4];
1065
1066	/**
1067	 * osu_dir - OSU provider information directory
1068	 *
1069	 * If set, allow FETCH_OSU control interface command to be used to fetch
1070	 * OSU provider information into all APs and store the results in this
1071	 * directory.
1072	 */
1073	char *osu_dir;
1074
1075	/**
1076	 * wowlan_triggers - Wake-on-WLAN triggers
1077	 *
1078	 * If set, these wowlan triggers will be configured.
1079	 */
1080	char *wowlan_triggers;
1081
1082	/**
1083	 * p2p_search_delay - Extra delay between concurrent search iterations
1084	 *
1085	 * Add extra delay (in milliseconds) between search iterations when
1086	 * there is a concurrent operation to make p2p_find friendlier to
1087	 * concurrent operations by avoiding it from taking 100% of radio
1088	 * resources.
1089	 */
1090	unsigned int p2p_search_delay;
1091
1092	/**
1093	 * mac_addr - MAC address policy default
1094	 *
1095	 * 0 = use permanent MAC address
1096	 * 1 = use random MAC address for each ESS connection
1097	 * 2 = like 1, but maintain OUI (with local admin bit set)
1098	 *
1099	 * By default, permanent MAC address is used unless policy is changed by
1100	 * the per-network mac_addr parameter. Global mac_addr=1 can be used to
1101	 * change this default behavior.
1102	 */
1103	int mac_addr;
1104
1105	/**
1106	 * rand_addr_lifetime - Lifetime of random MAC address in seconds
1107	 */
1108	unsigned int rand_addr_lifetime;
1109
1110	/**
1111	 * preassoc_mac_addr - Pre-association MAC address policy
1112	 *
1113	 * 0 = use permanent MAC address
1114	 * 1 = use random MAC address
1115	 * 2 = like 1, but maintain OUI (with local admin bit set)
1116	 */
1117	int preassoc_mac_addr;
1118
1119	/**
1120	 * key_mgmt_offload - Use key management offload
1121	 *
1122	 * Key management offload should be used if the device supports it.
1123	 * Key management offload is the capability of a device operating as
1124	 * a station to do the exchange necessary to establish temporal keys
1125	 * during initial RSN connection, after roaming, or during a PTK
1126	 * rekeying operation.
1127	 */
1128	int key_mgmt_offload;
1129
1130	/**
1131	 * user_mpm - MPM residency
1132	 *
1133	 * 0: MPM lives in driver.
1134	 * 1: wpa_supplicant handles peering and station allocation.
1135	 *
1136	 * If AMPE or SAE is enabled, the MPM is always in userspace.
1137	 */
1138	int user_mpm;
1139
1140	/**
1141	 * max_peer_links - Maximum number of peer links
1142	 *
1143	 * Maximum number of mesh peering currently maintained by the STA.
1144	 */
1145	int max_peer_links;
1146
1147	/**
1148	 * cert_in_cb - Whether to include a peer certificate dump in events
1149	 *
1150	 * This controls whether peer certificates for authentication server and
1151	 * its certificate chain are included in EAP peer certificate events.
1152	 */
1153	int cert_in_cb;
1154
1155	/**
1156	 * mesh_max_inactivity - Timeout in seconds to detect STA inactivity
1157	 *
1158	 * This timeout value is used in mesh STA to clean up inactive stations.
1159	 * By default: 300 seconds.
1160	 */
1161	int mesh_max_inactivity;
1162
1163	/**
1164	 * passive_scan - Whether to force passive scan for network connection
1165	 *
1166	 * This parameter can be used to force only passive scanning to be used
1167	 * for network connection cases. It should be noted that this will slow
1168	 * down scan operations and reduce likelihood of finding the AP. In
1169	 * addition, some use cases will override this due to functional
1170	 * requirements, e.g., for finding an AP that uses hidden SSID
1171	 * (scan_ssid=1) or P2P device discovery.
1172	 */
1173	int passive_scan;
1174
1175	/**
1176	 * reassoc_same_bss_optim - Whether to optimize reassoc-to-same-BSS
1177	 */
1178	int reassoc_same_bss_optim;
1179
1180	/**
1181	 * wps_priority - Priority for the networks added through WPS
1182	 *
1183	 * This priority value will be set to each network profile that is added
1184	 * by executing the WPS protocol.
1185	 */
1186	int wps_priority;
1187};
1188
1189
1190/* Prototypes for common functions from config.c */
1191
1192void wpa_config_free(struct wpa_config *ssid);
1193void wpa_config_free_ssid(struct wpa_ssid *ssid);
1194void wpa_config_foreach_network(struct wpa_config *config,
1195				void (*func)(void *, struct wpa_ssid *),
1196				void *arg);
1197struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id);
1198struct wpa_ssid * wpa_config_add_network(struct wpa_config *config);
1199int wpa_config_remove_network(struct wpa_config *config, int id);
1200void wpa_config_set_network_defaults(struct wpa_ssid *ssid);
1201int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
1202		   int line);
1203int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
1204			  const char *value);
1205int wpa_config_dump_values(struct wpa_config *config, char *buf,
1206			   size_t buflen);
1207int wpa_config_get_value(const char *name, struct wpa_config *config,
1208			 char *buf, size_t buflen);
1209
1210char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys);
1211char * wpa_config_get(struct wpa_ssid *ssid, const char *var);
1212char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var);
1213void wpa_config_update_psk(struct wpa_ssid *ssid);
1214int wpa_config_add_prio_network(struct wpa_config *config,
1215				struct wpa_ssid *ssid);
1216int wpa_config_update_prio_list(struct wpa_config *config);
1217const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
1218						   const char *name);
1219void wpa_config_set_blob(struct wpa_config *config,
1220			 struct wpa_config_blob *blob);
1221void wpa_config_free_blob(struct wpa_config_blob *blob);
1222int wpa_config_remove_blob(struct wpa_config *config, const char *name);
1223void wpa_config_flush_blobs(struct wpa_config *config);
1224
1225struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id);
1226struct wpa_cred * wpa_config_add_cred(struct wpa_config *config);
1227int wpa_config_remove_cred(struct wpa_config *config, int id);
1228void wpa_config_free_cred(struct wpa_cred *cred);
1229int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
1230			const char *value, int line);
1231char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var);
1232
1233struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
1234					   const char *driver_param);
1235#ifndef CONFIG_NO_STDOUT_DEBUG
1236void wpa_config_debug_dump_networks(struct wpa_config *config);
1237#else /* CONFIG_NO_STDOUT_DEBUG */
1238#define wpa_config_debug_dump_networks(c) do { } while (0)
1239#endif /* CONFIG_NO_STDOUT_DEBUG */
1240
1241
1242/* Prototypes for common functions from config.c */
1243int wpa_config_process_global(struct wpa_config *config, char *pos, int line);
1244
1245
1246/* Prototypes for backend specific functions from the selected config_*.c */
1247
1248/**
1249 * wpa_config_read - Read and parse configuration database
1250 * @name: Name of the configuration (e.g., path and file name for the
1251 * configuration file)
1252 * @cfgp: Pointer to previously allocated configuration data or %NULL if none
1253 * Returns: Pointer to allocated configuration data or %NULL on failure
1254 *
1255 * This function reads configuration data, parses its contents, and allocates
1256 * data structures needed for storing configuration information. The allocated
1257 * data can be freed with wpa_config_free().
1258 *
1259 * Each configuration backend needs to implement this function.
1260 */
1261struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp);
1262
1263/**
1264 * wpa_config_write - Write or update configuration data
1265 * @name: Name of the configuration (e.g., path and file name for the
1266 * configuration file)
1267 * @config: Configuration data from wpa_config_read()
1268 * Returns: 0 on success, -1 on failure
1269 *
1270 * This function write all configuration data into an external database (e.g.,
1271 * a text file) in a format that can be read with wpa_config_read(). This can
1272 * be used to allow wpa_supplicant to update its configuration, e.g., when a
1273 * new network is added or a password is changed.
1274 *
1275 * Each configuration backend needs to implement this function.
1276 */
1277int wpa_config_write(const char *name, struct wpa_config *config);
1278
1279#endif /* CONFIG_H */
1280