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