zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/wpa_supplicant-2.6/wpa_supplicant/config.h b/ap/app/wpa_supplicant-2.6/wpa_supplicant/config.h
new file mode 100755
index 0000000..48e64be
--- /dev/null
+++ b/ap/app/wpa_supplicant-2.6/wpa_supplicant/config.h
@@ -0,0 +1,1426 @@
+/*
+ * WPA Supplicant / Configuration file structures
+ * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef CONFIG_H
+#define CONFIG_H
+
+#define DEFAULT_EAPOL_VERSION 1
+#ifdef CONFIG_NO_SCAN_PROCESSING
+#define DEFAULT_AP_SCAN 2
+#else /* CONFIG_NO_SCAN_PROCESSING */
+#define DEFAULT_AP_SCAN 1
+#endif /* CONFIG_NO_SCAN_PROCESSING */
+#define DEFAULT_USER_MPM 1
+#define DEFAULT_MAX_PEER_LINKS 99
+#define DEFAULT_MESH_MAX_INACTIVITY 300
+/*
+ * The default dot11RSNASAERetransPeriod is defined as 40 ms in the standard,
+ * but use 1000 ms in practice to avoid issues on low power CPUs.
+ */
+#define DEFAULT_DOT11_RSNA_SAE_RETRANS_PERIOD 1000
+#define DEFAULT_FAST_REAUTH 1
+#define DEFAULT_P2P_GO_INTENT 7
+#define DEFAULT_P2P_INTRA_BSS 1
+#define DEFAULT_P2P_GO_MAX_INACTIVITY (5 * 60)
+#define DEFAULT_P2P_OPTIMIZE_LISTEN_CHAN 0
+#define DEFAULT_BSS_MAX_COUNT 200
+#define DEFAULT_BSS_EXPIRATION_AGE 180
+#define DEFAULT_BSS_EXPIRATION_SCAN_COUNT 2
+#define DEFAULT_MAX_NUM_STA 128
+#define DEFAULT_ACCESS_NETWORK_TYPE 15
+#define DEFAULT_SCAN_CUR_FREQ 0
+#define DEFAULT_P2P_SEARCH_DELAY 500
+#define DEFAULT_RAND_ADDR_LIFETIME 60
+#define DEFAULT_KEY_MGMT_OFFLOAD 1
+#define DEFAULT_CERT_IN_CB 1
+#define DEFAULT_P2P_GO_CTWINDOW 0
+#define DEFAULT_WPA_RSC_RELAXATION 1
+#define DEFAULT_MBO_CELL_CAPA MBO_CELL_CAPA_NOT_SUPPORTED
+
+#include "config_ssid.h"
+#include "wps/wps.h"
+#include "common/ieee802_11_defs.h"
+#include "common/ieee802_11_common.h"
+
+
+struct wpa_cred {
+	/**
+	 * next - Next credential in the list
+	 *
+	 * This pointer can be used to iterate over all credentials. The head
+	 * of this list is stored in the cred field of struct wpa_config.
+	 */
+	struct wpa_cred *next;
+
+	/**
+	 * id - Unique id for the credential
+	 *
+	 * This identifier is used as a unique identifier for each credential
+	 * block when using the control interface. Each credential is allocated
+	 * an id when it is being created, either when reading the
+	 * configuration file or when a new credential is added through the
+	 * control interface.
+	 */
+	int id;
+
+	/**
+	 * temporary - Whether this credential is temporary and not to be saved
+	 */
+	int temporary;
+
+	/**
+	 * priority - Priority group
+	 *
+	 * By default, all networks and credentials get the same priority group
+	 * (0). This field can be used to give higher priority for credentials
+	 * (and similarly in struct wpa_ssid for network blocks) to change the
+	 * Interworking automatic networking selection behavior. The matching
+	 * network (based on either an enabled network block or a credential)
+	 * with the highest priority value will be selected.
+	 */
+	int priority;
+
+	/**
+	 * pcsc - Use PC/SC and SIM/USIM card
+	 */
+	int pcsc;
+
+	/**
+	 * realm - Home Realm for Interworking
+	 */
+	char *realm;
+
+	/**
+	 * username - Username for Interworking network selection
+	 */
+	char *username;
+
+	/**
+	 * password - Password for Interworking network selection
+	 */
+	char *password;
+
+	/**
+	 * ext_password - Whether password is a name for external storage
+	 */
+	int ext_password;
+
+	/**
+	 * ca_cert - CA certificate for Interworking network selection
+	 */
+	char *ca_cert;
+
+	/**
+	 * client_cert - File path to client certificate file (PEM/DER)
+	 *
+	 * This field is used with Interworking networking selection for a case
+	 * where client certificate/private key is used for authentication
+	 * (EAP-TLS). Full path to the file should be used since working
+	 * directory may change when wpa_supplicant is run in the background.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	char *client_cert;
+
+	/**
+	 * private_key - File path to client private key file (PEM/DER/PFX)
+	 *
+	 * When PKCS#12/PFX file (.p12/.pfx) is used, client_cert should be
+	 * commented out. Both the private key and certificate will be read
+	 * from the PKCS#12 file in this case. Full path to the file should be
+	 * used since working directory may change when wpa_supplicant is run
+	 * in the background.
+	 *
+	 * Windows certificate store can be used by leaving client_cert out and
+	 * configuring private_key in one of the following formats:
+	 *
+	 * cert://substring_to_match
+	 *
+	 * hash://certificate_thumbprint_in_hex
+	 *
+	 * For example: private_key="hash://63093aa9c47f56ae88334c7b65a4"
+	 *
+	 * Note that when running wpa_supplicant as an application, the user
+	 * certificate store (My user account) is used, whereas computer store
+	 * (Computer account) is used when running wpasvc as a service.
+	 *
+	 * Alternatively, a named configuration blob can be used by setting
+	 * this to blob://blob_name.
+	 */
+	char *private_key;
+
+	/**
+	 * private_key_passwd - Password for private key file
+	 */
+	char *private_key_passwd;
+
+	/**
+	 * imsi - IMSI in <MCC> | <MNC> | '-' | <MSIN> format
+	 */
+	char *imsi;
+
+	/**
+	 * milenage - Milenage parameters for SIM/USIM simulator in
+	 *	<Ki>:<OPc>:<SQN> format
+	 */
+	char *milenage;
+
+	/**
+	 * domain_suffix_match - Constraint for server domain name
+	 *
+	 * If set, this FQDN is used as a suffix match requirement for the AAA
+	 * server certificate in SubjectAltName dNSName element(s). If a
+	 * matching dNSName is found, this constraint is met. If no dNSName
+	 * values are present, this constraint is matched against SubjectName CN
+	 * using same suffix match comparison. Suffix match here means that the
+	 * host/domain name is compared one label at a time starting from the
+	 * top-level domain and all the labels in @domain_suffix_match shall be
+	 * included in the certificate. The certificate may include additional
+	 * sub-level labels in addition to the required labels.
+	 *
+	 * For example, domain_suffix_match=example.com would match
+	 * test.example.com but would not match test-example.com.
+	 */
+	char *domain_suffix_match;
+
+	/**
+	 * domain - Home service provider FQDN(s)
+	 *
+	 * This is used to compare against the Domain Name List to figure out
+	 * whether the AP is operated by the Home SP. Multiple domain entries
+	 * can be used to configure alternative FQDNs that will be considered
+	 * home networks.
+	 */
+	char **domain;
+
+	/**
+	 * num_domain - Number of FQDNs in the domain array
+	 */
+	size_t num_domain;
+
+	/**
+	 * roaming_consortium - Roaming Consortium OI
+	 *
+	 * If roaming_consortium_len is non-zero, this field contains the
+	 * Roaming Consortium OI that can be used to determine which access
+	 * points support authentication with this credential. This is an
+	 * alternative to the use of the realm parameter. When using Roaming
+	 * Consortium to match the network, the EAP parameters need to be
+	 * pre-configured with the credential since the NAI Realm information
+	 * may not be available or fetched.
+	 */
+	u8 roaming_consortium[15];
+
+	/**
+	 * roaming_consortium_len - Length of roaming_consortium
+	 */
+	size_t roaming_consortium_len;
+
+	u8 required_roaming_consortium[15];
+	size_t required_roaming_consortium_len;
+
+	/**
+	 * eap_method - EAP method to use
+	 *
+	 * Pre-configured EAP method to use with this credential or %NULL to
+	 * indicate no EAP method is selected, i.e., the method will be
+	 * selected automatically based on ANQP information.
+	 */
+	struct eap_method_type *eap_method;
+
+	/**
+	 * phase1 - Phase 1 (outer authentication) parameters
+	 *
+	 * Pre-configured EAP parameters or %NULL.
+	 */
+	char *phase1;
+
+	/**
+	 * phase2 - Phase 2 (inner authentication) parameters
+	 *
+	 * Pre-configured EAP parameters or %NULL.
+	 */
+	char *phase2;
+
+	struct excluded_ssid {
+		u8 ssid[SSID_MAX_LEN];
+		size_t ssid_len;
+	} *excluded_ssid;
+	size_t num_excluded_ssid;
+
+	struct roaming_partner {
+		char fqdn[128];
+		int exact_match;
+		u8 priority;
+		char country[3];
+	} *roaming_partner;
+	size_t num_roaming_partner;
+
+	int update_identifier;
+
+	/**
+	 * provisioning_sp - FQDN of the SP that provisioned the credential
+	 */
+	char *provisioning_sp;
+
+	/**
+	 * sp_priority - Credential priority within a provisioning SP
+	 *
+	 * This is the priority of the credential among all credentials
+	 * provisionined by the same SP (i.e., for entries that have identical
+	 * provisioning_sp value). The range of this priority is 0-255 with 0
+	 * being the highest and 255 the lower priority.
+	 */
+	int sp_priority;
+
+	unsigned int min_dl_bandwidth_home;
+	unsigned int min_ul_bandwidth_home;
+	unsigned int min_dl_bandwidth_roaming;
+	unsigned int min_ul_bandwidth_roaming;
+
+	/**
+	 * max_bss_load - Maximum BSS Load Channel Utilization (1..255)
+	 * This value is used as the maximum channel utilization for network
+	 * selection purposes for home networks. If the AP does not advertise
+	 * BSS Load or if the limit would prevent any connection, this
+	 * constraint will be ignored.
+	 */
+	unsigned int max_bss_load;
+
+	unsigned int num_req_conn_capab;
+	u8 *req_conn_capab_proto;
+	int **req_conn_capab_port;
+
+	/**
+	 * ocsp - Whether to use/require OCSP to check server certificate
+	 *
+	 * 0 = do not use OCSP stapling (TLS certificate status extension)
+	 * 1 = try to use OCSP stapling, but not require response
+	 * 2 = require valid OCSP stapling response
+	 */
+	int ocsp;
+
+	/**
+	 * sim_num - User selected SIM identifier
+	 *
+	 * This variable is used for identifying which SIM is used if the system
+	 * has more than one.
+	 */
+	int sim_num;
+};
+
+
+#define CFG_CHANGED_DEVICE_NAME BIT(0)
+#define CFG_CHANGED_CONFIG_METHODS BIT(1)
+#define CFG_CHANGED_DEVICE_TYPE BIT(2)
+#define CFG_CHANGED_OS_VERSION BIT(3)
+#define CFG_CHANGED_UUID BIT(4)
+#define CFG_CHANGED_COUNTRY BIT(5)
+#define CFG_CHANGED_SEC_DEVICE_TYPE BIT(6)
+#define CFG_CHANGED_P2P_SSID_POSTFIX BIT(7)
+#define CFG_CHANGED_WPS_STRING BIT(8)
+#define CFG_CHANGED_P2P_INTRA_BSS BIT(9)
+#define CFG_CHANGED_VENDOR_EXTENSION BIT(10)
+#define CFG_CHANGED_P2P_LISTEN_CHANNEL BIT(11)
+#define CFG_CHANGED_P2P_OPER_CHANNEL BIT(12)
+#define CFG_CHANGED_P2P_PREF_CHAN BIT(13)
+#define CFG_CHANGED_EXT_PW_BACKEND BIT(14)
+#define CFG_CHANGED_NFC_PASSWORD_TOKEN BIT(15)
+#define CFG_CHANGED_P2P_PASSPHRASE_LEN BIT(16)
+#define CFG_CHANGED_SCHED_SCAN_PLANS BIT(17)
+
+/**
+ * struct wpa_config - wpa_supplicant configuration data
+ *
+ * This data structure is presents the per-interface (radio) configuration
+ * data. In many cases, there is only one struct wpa_config instance, but if
+ * more than one network interface is being controlled, one instance is used
+ * for each.
+ */
+struct wpa_config {
+	/**
+	 * ssid - Head of the global network list
+	 *
+	 * This is the head for the list of all the configured networks.
+	 */
+	struct wpa_ssid *ssid;
+
+	/**
+	 * pssid - Per-priority network lists (in priority order)
+	 */
+	struct wpa_ssid **pssid;
+
+	/**
+	 * num_prio - Number of different priorities used in the pssid lists
+	 *
+	 * This indicates how many per-priority network lists are included in
+	 * pssid.
+	 */
+	int num_prio;
+
+	/**
+	 * cred - Head of the credential list
+	 *
+	 * This is the head for the list of all the configured credentials.
+	 */
+	struct wpa_cred *cred;
+
+	/**
+	 * eapol_version - IEEE 802.1X/EAPOL version number
+	 *
+	 * wpa_supplicant is implemented based on IEEE Std 802.1X-2004 which
+	 * defines EAPOL version 2. However, there are many APs that do not
+	 * handle the new version number correctly (they seem to drop the
+	 * frames completely). In order to make wpa_supplicant interoperate
+	 * with these APs, the version number is set to 1 by default. This
+	 * configuration value can be used to set it to the new version (2).
+	 */
+	int eapol_version;
+
+	/**
+	 * ap_scan - AP scanning/selection
+	 *
+	 * By default, wpa_supplicant requests driver to perform AP
+	 * scanning and then uses the scan results to select a
+	 * suitable AP. Another alternative is to allow the driver to
+	 * take care of AP scanning and selection and use
+	 * wpa_supplicant just to process EAPOL frames based on IEEE
+	 * 802.11 association information from the driver.
+	 *
+	 * 1: wpa_supplicant initiates scanning and AP selection (default).
+	 *
+	 * 0: Driver takes care of scanning, AP selection, and IEEE 802.11
+	 * association parameters (e.g., WPA IE generation); this mode can
+	 * also be used with non-WPA drivers when using IEEE 802.1X mode;
+	 * do not try to associate with APs (i.e., external program needs
+	 * to control association). This mode must also be used when using
+	 * wired Ethernet drivers.
+	 *
+	 * 2: like 0, but associate with APs using security policy and SSID
+	 * (but not BSSID); this can be used, e.g., with ndiswrapper and NDIS
+	 * drivers to enable operation with hidden SSIDs and optimized roaming;
+	 * in this mode, the network blocks in the configuration are tried
+	 * one by one until the driver reports successful association; each
+	 * network block should have explicit security policy (i.e., only one
+	 * option in the lists) for key_mgmt, pairwise, group, proto variables.
+	 *
+	 * Note: ap_scan=2 should not be used with the nl80211 driver interface
+	 * (the current Linux interface). ap_scan=1 is optimized work working
+	 * with nl80211. For finding networks using hidden SSID, scan_ssid=1 in
+	 * the network block can be used with nl80211.
+	 */
+	int ap_scan;
+
+	/**
+	 * bgscan - Background scan and roaming parameters or %NULL if none
+	 *
+	 * This is an optional set of parameters for background scanning and
+	 * roaming within a network (ESS). For more detailed information see
+	 * ssid block documentation.
+	 *
+	 * The variable defines default bgscan behavior for all BSS station
+	 * networks except for those which have their own bgscan configuration.
+	 */
+	 char *bgscan;
+
+	/**
+	 * disable_scan_offload - Disable automatic offloading of scan requests
+	 *
+	 * By default, %wpa_supplicant tries to offload scanning if the driver
+	 * indicates support for this (sched_scan). This configuration
+	 * parameter can be used to disable this offloading mechanism.
+	 */
+	int disable_scan_offload;
+
+	/**
+	 * ctrl_interface - Parameters for the control interface
+	 *
+	 * If this is specified, %wpa_supplicant will open a control interface
+	 * that is available for external programs to manage %wpa_supplicant.
+	 * The meaning of this string depends on which control interface
+	 * mechanism is used. For all cases, the existence of this parameter
+	 * in configuration is used to determine whether the control interface
+	 * is enabled.
+	 *
+	 * For UNIX domain sockets (default on Linux and BSD): This is a
+	 * directory that will be created for UNIX domain sockets for listening
+	 * to requests from external programs (CLI/GUI, etc.) for status
+	 * information and configuration. The socket file will be named based
+	 * on the interface name, so multiple %wpa_supplicant processes can be
+	 * run at the same time if more than one interface is used.
+	 * /var/run/wpa_supplicant is the recommended directory for sockets and
+	 * by default, wpa_cli will use it when trying to connect with
+	 * %wpa_supplicant.
+	 *
+	 * Access control for the control interface can be configured
+	 * by setting the directory to allow only members of a group
+	 * to use sockets. This way, it is possible to run
+	 * %wpa_supplicant as root (since it needs to change network
+	 * configuration and open raw sockets) and still allow GUI/CLI
+	 * components to be run as non-root users. However, since the
+	 * control interface can be used to change the network
+	 * configuration, this access needs to be protected in many
+	 * cases. By default, %wpa_supplicant is configured to use gid
+	 * 0 (root). If you want to allow non-root users to use the
+	 * control interface, add a new group and change this value to
+	 * match with that group. Add users that should have control
+	 * interface access to this group.
+	 *
+	 * When configuring both the directory and group, use following format:
+	 * DIR=/var/run/wpa_supplicant GROUP=wheel
+	 * DIR=/var/run/wpa_supplicant GROUP=0
+	 * (group can be either group name or gid)
+	 *
+	 * For UDP connections (default on Windows): The value will be ignored.
+	 * This variable is just used to select that the control interface is
+	 * to be created. The value can be set to, e.g., udp
+	 * (ctrl_interface=udp).
+	 *
+	 * For Windows Named Pipe: This value can be used to set the security
+	 * descriptor for controlling access to the control interface. Security
+	 * descriptor can be set using Security Descriptor String Format (see
+	 * http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthz/security/security_descriptor_string_format.asp).
+	 * The descriptor string needs to be prefixed with SDDL=. For example,
+	 * ctrl_interface=SDDL=D: would set an empty DACL (which will reject
+	 * all connections).
+	 */
+	char *ctrl_interface;
+
+	/**
+	 * ctrl_interface_group - Control interface group (DEPRECATED)
+	 *
+	 * This variable is only used for backwards compatibility. Group for
+	 * UNIX domain sockets should now be specified using GROUP=group in
+	 * ctrl_interface variable.
+	 */
+	char *ctrl_interface_group;
+
+	/**
+	 * fast_reauth - EAP fast re-authentication (session resumption)
+	 *
+	 * By default, fast re-authentication is enabled for all EAP methods
+	 * that support it. This variable can be used to disable fast
+	 * re-authentication (by setting fast_reauth=0). Normally, there is no
+	 * need to disable fast re-authentication.
+	 */
+	int fast_reauth;
+
+	/**
+	 * opensc_engine_path - Path to the OpenSSL engine for opensc
+	 *
+	 * This is an OpenSSL specific configuration option for loading OpenSC
+	 * engine (engine_opensc.so); if %NULL, this engine is not loaded.
+	 */
+	char *opensc_engine_path;
+
+	/**
+	 * pkcs11_engine_path - Path to the OpenSSL engine for PKCS#11
+	 *
+	 * This is an OpenSSL specific configuration option for loading PKCS#11
+	 * engine (engine_pkcs11.so); if %NULL, this engine is not loaded.
+	 */
+	char *pkcs11_engine_path;
+
+	/**
+	 * pkcs11_module_path - Path to the OpenSSL OpenSC/PKCS#11 module
+	 *
+	 * This is an OpenSSL specific configuration option for configuring
+	 * path to OpenSC/PKCS#11 engine (opensc-pkcs11.so); if %NULL, this
+	 * module is not loaded.
+	 */
+	char *pkcs11_module_path;
+
+	/**
+	 * openssl_ciphers - OpenSSL cipher string
+	 *
+	 * This is an OpenSSL specific configuration option for configuring the
+	 * default ciphers. If not set, "DEFAULT:!EXP:!LOW" is used as the
+	 * default.
+	 */
+	char *openssl_ciphers;
+
+	/**
+	 * pcsc_reader - PC/SC reader name prefix
+	 *
+	 * If not %NULL, PC/SC reader with a name that matches this prefix is
+	 * initialized for SIM/USIM access. Empty string can be used to match
+	 * the first available reader.
+	 */
+	char *pcsc_reader;
+
+	/**
+	 * pcsc_pin - PIN for USIM, GSM SIM, and smartcards
+	 *
+	 * This field is used to configure PIN for SIM/USIM for EAP-SIM and
+	 * EAP-AKA. If left out, this will be asked through control interface.
+	 */
+	char *pcsc_pin;
+
+	/**
+	 * external_sim - Use external processing for SIM/USIM operations
+	 */
+	int external_sim;
+
+	/**
+	 * driver_param - Driver interface parameters
+	 *
+	 * This text string is passed to the selected driver interface with the
+	 * optional struct wpa_driver_ops::set_param() handler. This can be
+	 * used to configure driver specific options without having to add new
+	 * driver interface functionality.
+	 */
+	char *driver_param;
+
+	/**
+	 * dot11RSNAConfigPMKLifetime - Maximum lifetime of a PMK
+	 *
+	 * dot11 MIB variable for the maximum lifetime of a PMK in the PMK
+	 * cache (unit: seconds).
+	 */
+	unsigned int dot11RSNAConfigPMKLifetime;
+
+	/**
+	 * dot11RSNAConfigPMKReauthThreshold - PMK re-authentication threshold
+	 *
+	 * dot11 MIB variable for the percentage of the PMK lifetime
+	 * that should expire before an IEEE 802.1X reauthentication occurs.
+	 */
+	unsigned int dot11RSNAConfigPMKReauthThreshold;
+
+	/**
+	 * dot11RSNAConfigSATimeout - Security association timeout
+	 *
+	 * dot11 MIB variable for the maximum time a security association
+	 * shall take to set up (unit: seconds).
+	 */
+	unsigned int dot11RSNAConfigSATimeout;
+
+	/**
+	 * update_config - Is wpa_supplicant allowed to update configuration
+	 *
+	 * This variable control whether wpa_supplicant is allow to re-write
+	 * its configuration with wpa_config_write(). If this is zero,
+	 * configuration data is only changed in memory and the external data
+	 * is not overriden. If this is non-zero, wpa_supplicant will update
+	 * the configuration data (e.g., a file) whenever configuration is
+	 * changed. This update may replace the old configuration which can
+	 * remove comments from it in case of a text file configuration.
+	 */
+	int update_config;
+
+	/**
+	 * blobs - Configuration blobs
+	 */
+	struct wpa_config_blob *blobs;
+
+	/**
+	 * uuid - Universally Unique IDentifier (UUID; see RFC 4122) for WPS
+	 */
+	u8 uuid[16];
+
+	/**
+	 * device_name - Device Name (WPS)
+	 * User-friendly description of device; up to 32 octets encoded in
+	 * UTF-8
+	 */
+	char *device_name;
+
+	/**
+	 * manufacturer - Manufacturer (WPS)
+	 * The manufacturer of the device (up to 64 ASCII characters)
+	 */
+	char *manufacturer;
+
+	/**
+	 * model_name - Model Name (WPS)
+	 * Model of the device (up to 32 ASCII characters)
+	 */
+	char *model_name;
+
+	/**
+	 * model_number - Model Number (WPS)
+	 * Additional device description (up to 32 ASCII characters)
+	 */
+	char *model_number;
+
+	/**
+	 * serial_number - Serial Number (WPS)
+	 * Serial number of the device (up to 32 characters)
+	 */
+	char *serial_number;
+
+	/**
+	 * device_type - Primary Device Type (WPS)
+	 */
+	u8 device_type[WPS_DEV_TYPE_LEN];
+
+	/**
+	 * config_methods - Config Methods
+	 *
+	 * This is a space-separated list of supported WPS configuration
+	 * methods. For example, "label virtual_display virtual_push_button
+	 * keypad".
+	 * Available methods: usba ethernet label display ext_nfc_token
+	 * int_nfc_token nfc_interface push_button keypad
+	 * virtual_display physical_display
+	 * virtual_push_button physical_push_button.
+	 */
+	char *config_methods;
+
+	/**
+	 * os_version - OS Version (WPS)
+	 * 4-octet operating system version number
+	 */
+	u8 os_version[4];
+
+	/**
+	 * country - Country code
+	 *
+	 * This is the ISO/IEC alpha2 country code for which we are operating
+	 * in
+	 */
+	char country[2];
+
+	/**
+	 * wps_cred_processing - Credential processing
+	 *
+	 *   0 = process received credentials internally
+	 *   1 = do not process received credentials; just pass them over
+	 *	ctrl_iface to external program(s)
+	 *   2 = process received credentials internally and pass them over
+	 *	ctrl_iface to external program(s)
+	 */
+	int wps_cred_processing;
+
+#define MAX_SEC_DEVICE_TYPES 5
+	/**
+	 * sec_device_types - Secondary Device Types (P2P)
+	 */
+	u8 sec_device_type[MAX_SEC_DEVICE_TYPES][WPS_DEV_TYPE_LEN];
+	int num_sec_device_types;
+
+	int p2p_listen_reg_class;
+	int p2p_listen_channel;
+	int p2p_oper_reg_class;
+	int p2p_oper_channel;
+	int p2p_go_intent;
+	char *p2p_ssid_postfix;
+	int persistent_reconnect;
+	int p2p_intra_bss;
+	unsigned int num_p2p_pref_chan;
+	struct p2p_channel *p2p_pref_chan;
+	struct wpa_freq_range_list p2p_no_go_freq;
+	int p2p_add_cli_chan;
+	int p2p_ignore_shared_freq;
+	int p2p_optimize_listen_chan;
+
+	struct wpabuf *wps_vendor_ext_m1;
+
+#define MAX_WPS_VENDOR_EXT 10
+	/**
+	 * wps_vendor_ext - Vendor extension attributes in WPS
+	 */
+	struct wpabuf *wps_vendor_ext[MAX_WPS_VENDOR_EXT];
+
+	/**
+	 * p2p_group_idle - Maximum idle time in seconds for P2P group
+	 *
+	 * This value controls how long a P2P group is maintained after there
+	 * is no other members in the group. As a GO, this means no associated
+	 * stations in the group. As a P2P client, this means no GO seen in
+	 * scan results. The maximum idle time is specified in seconds with 0
+	 * indicating no time limit, i.e., the P2P group remains in active
+	 * state indefinitely until explicitly removed. As a P2P client, the
+	 * maximum idle time of P2P_MAX_CLIENT_IDLE seconds is enforced, i.e.,
+	 * this parameter is mainly meant for GO use and for P2P client, it can
+	 * only be used to reduce the default timeout to smaller value. A
+	 * special value -1 can be used to configure immediate removal of the
+	 * group for P2P client role on any disconnection after the data
+	 * connection has been established.
+	 */
+	int p2p_group_idle;
+
+	/**
+	 * p2p_go_freq_change_policy - The GO frequency change policy
+	 *
+	 * This controls the behavior of the GO when there is a change in the
+	 * map of the currently used frequencies in case more than one channel
+	 * is supported.
+	 *
+	 * @P2P_GO_FREQ_MOVE_SCM: Prefer working in a single channel mode if
+	 * possible. In case the GO is the only interface using its frequency
+	 * and there are other station interfaces on other frequencies, the GO
+	 * will migrate to one of these frequencies.
+	 *
+	 * @P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS: Same as P2P_GO_FREQ_MOVE_SCM,
+	 * but a transition is possible only in case one of the other used
+	 * frequencies is one of the frequencies in the intersection of the
+	 * frequency list of the local device and the peer device.
+	 *
+	 * @P2P_GO_FREQ_MOVE_STAY: Prefer to stay on the current frequency.
+	 *
+	 * @P2P_GO_FREQ_MOVE_SCM_ECSA: Same as
+	 * P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS but a transition is possible only
+	 * if all the group members advertise eCSA support.
+	 */
+	enum {
+		P2P_GO_FREQ_MOVE_SCM = 0,
+		P2P_GO_FREQ_MOVE_SCM_PEER_SUPPORTS = 1,
+		P2P_GO_FREQ_MOVE_STAY = 2,
+		P2P_GO_FREQ_MOVE_SCM_ECSA = 3,
+		P2P_GO_FREQ_MOVE_MAX = P2P_GO_FREQ_MOVE_SCM_ECSA,
+	} p2p_go_freq_change_policy;
+
+#define DEFAULT_P2P_GO_FREQ_MOVE P2P_GO_FREQ_MOVE_STAY
+
+	/**
+	 * p2p_passphrase_len - Passphrase length (8..63) for P2P GO
+	 *
+	 * This parameter controls the length of the random passphrase that is
+	 * generated at the GO.
+	 */
+	unsigned int p2p_passphrase_len;
+
+	/**
+	 * bss_max_count - Maximum number of BSS entries to keep in memory
+	 */
+	unsigned int bss_max_count;
+
+	/**
+	 * bss_expiration_age - BSS entry age after which it can be expired
+	 *
+	 * This value controls the time in seconds after which a BSS entry
+	 * gets removed if it has not been updated or is not in use.
+	 */
+	unsigned int bss_expiration_age;
+
+	/**
+	 * bss_expiration_scan_count - Expire BSS after number of scans
+	 *
+	 * If the BSS entry has not been seen in this many scans, it will be
+	 * removed. A value of 1 means that entry is removed after the first
+	 * scan in which the BSSID is not seen. Larger values can be used
+	 * to avoid BSS entries disappearing if they are not visible in
+	 * every scan (e.g., low signal quality or interference).
+	 */
+	unsigned int bss_expiration_scan_count;
+
+	/**
+	 * filter_ssids - SSID-based scan result filtering
+	 *
+	 *   0 = do not filter scan results
+	 *   1 = only include configured SSIDs in scan results/BSS table
+	 */
+	int filter_ssids;
+
+	/**
+	 * filter_rssi - RSSI-based scan result filtering
+	 *
+	 * 0 = do not filter scan results
+	 * -n = filter scan results below -n dBm
+	 */
+	int filter_rssi;
+
+	/**
+	 * max_num_sta - Maximum number of STAs in an AP/P2P GO
+	 */
+	unsigned int max_num_sta;
+
+	/**
+	 * freq_list - Array of allowed scan frequencies or %NULL for all
+	 *
+	 * This is an optional zero-terminated array of frequencies in
+	 * megahertz (MHz) to allow for narrowing scanning range.
+	 */
+	int *freq_list;
+
+	/**
+	 * scan_cur_freq - Whether to scan only the current channel
+	 *
+	 * If true, attempt to scan only the current channel if any other
+	 * VIFs on this radio are already associated on a particular channel.
+	 */
+	int scan_cur_freq;
+
+	/**
+	 * changed_parameters - Bitmap of changed parameters since last update
+	 */
+	unsigned int changed_parameters;
+
+	/**
+	 * disassoc_low_ack - Disassocicate stations with massive packet loss
+	 */
+	int disassoc_low_ack;
+
+	/**
+	 * interworking - Whether Interworking (IEEE 802.11u) is enabled
+	 */
+	int interworking;
+
+	/**
+	 * access_network_type - Access Network Type
+	 *
+	 * When Interworking is enabled, scans will be limited to APs that
+	 * advertise the specified Access Network Type (0..15; with 15
+	 * indicating wildcard match).
+	 */
+	int access_network_type;
+
+	/**
+	 * hessid - Homogenous ESS identifier
+	 *
+	 * If this is set (any octet is non-zero), scans will be used to
+	 * request response only from BSSes belonging to the specified
+	 * Homogeneous ESS. This is used only if interworking is enabled.
+	 */
+	u8 hessid[ETH_ALEN];
+
+	/**
+	 * hs20 - Hotspot 2.0
+	 */
+	int hs20;
+
+	/**
+	 * pbc_in_m1 - AP mode WPS probing workaround for PBC with Windows 7
+	 *
+	 * Windows 7 uses incorrect way of figuring out AP's WPS capabilities
+	 * by acting as a Registrar and using M1 from the AP. The config
+	 * methods attribute in that message is supposed to indicate only the
+	 * configuration method supported by the AP in Enrollee role, i.e., to
+	 * add an external Registrar. For that case, PBC shall not be used and
+	 * as such, the PushButton config method is removed from M1 by default.
+	 * If pbc_in_m1=1 is included in the configuration file, the PushButton
+	 * config method is left in M1 (if included in config_methods
+	 * parameter) to allow Windows 7 to use PBC instead of PIN (e.g., from
+	 * a label in the AP).
+	 */
+	int pbc_in_m1;
+
+	/**
+	 * autoscan - Automatic scan parameters or %NULL if none
+	 *
+	 * This is an optional set of parameters for automatic scanning
+	 * within an interface in following format:
+	 * <autoscan module name>:<module parameters>
+	 */
+	char *autoscan;
+
+	/**
+	 * wps_nfc_pw_from_config - NFC Device Password was read from config
+	 *
+	 * This parameter can be determined whether the NFC Device Password was
+	 * included in the configuration (1) or generated dynamically (0). Only
+	 * the former case is re-written back to the configuration file.
+	 */
+	int wps_nfc_pw_from_config;
+
+	/**
+	 * wps_nfc_dev_pw_id - NFC Device Password ID for password token
+	 */
+	int wps_nfc_dev_pw_id;
+
+	/**
+	 * wps_nfc_dh_pubkey - NFC DH Public Key for password token
+	 */
+	struct wpabuf *wps_nfc_dh_pubkey;
+
+	/**
+	 * wps_nfc_dh_privkey - NFC DH Private Key for password token
+	 */
+	struct wpabuf *wps_nfc_dh_privkey;
+
+	/**
+	 * wps_nfc_dev_pw - NFC Device Password for password token
+	 */
+	struct wpabuf *wps_nfc_dev_pw;
+
+	/**
+	 * ext_password_backend - External password backend or %NULL if none
+	 *
+	 * format: <backend name>[:<optional backend parameters>]
+	 */
+	char *ext_password_backend;
+
+	/*
+	 * p2p_go_max_inactivity - Timeout in seconds to detect STA inactivity
+	 *
+	 * This timeout value is used in P2P GO mode to clean up
+	 * inactive stations.
+	 * By default: 300 seconds.
+	 */
+	int p2p_go_max_inactivity;
+
+	struct hostapd_wmm_ac_params wmm_ac_params[4];
+
+	/**
+	 * auto_interworking - Whether to use network selection automatically
+	 *
+	 * 0 = do not automatically go through Interworking network selection
+	 *     (i.e., require explicit interworking_select command for this)
+	 * 1 = perform Interworking network selection if one or more
+	 *     credentials have been configured and scan did not find a
+	 *     matching network block
+	 */
+	int auto_interworking;
+
+	/**
+	 * p2p_go_ht40 - Default mode for HT40 enable when operating as GO.
+	 *
+	 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite.
+	 * Note that regulatory constraints and driver capabilities are
+	 * consulted anyway, so setting it to 1 can't do real harm.
+	 * By default: 0 (disabled)
+	 */
+	int p2p_go_ht40;
+
+	/**
+	 * p2p_go_vht - Default mode for VHT enable when operating as GO
+	 *
+	 * This will take effect for p2p_group_add, p2p_connect, and p2p_invite.
+	 * Note that regulatory constraints and driver capabilities are
+	 * consulted anyway, so setting it to 1 can't do real harm.
+	 * By default: 0 (disabled)
+	 */
+	int p2p_go_vht;
+
+	/**
+	 * p2p_go_ctwindow - CTWindow to use when operating as GO
+	 *
+	 * By default: 0 (no CTWindow). Values 0-127 can be used to indicate
+	 * the length of the CTWindow in TUs.
+	 */
+	int p2p_go_ctwindow;
+
+	/**
+	 * p2p_disabled - Whether P2P operations are disabled for this interface
+	 */
+	int p2p_disabled;
+
+	/**
+	 * p2p_no_group_iface - Whether group interfaces can be used
+	 *
+	 * By default, wpa_supplicant will create a separate interface for P2P
+	 * group operations if the driver supports this. This functionality can
+	 * be disabled by setting this parameter to 1. In that case, the same
+	 * interface that was used for the P2P management operations is used
+	 * also for the group operation.
+	 */
+	int p2p_no_group_iface;
+
+	/**
+	 * p2p_cli_probe - Enable/disable P2P CLI probe request handling
+	 *
+	 * If this parameter is set to 1, a connected P2P Client will receive
+	 * and handle Probe Request frames. Setting this parameter to 0
+	 * disables this option. Default value: 0.
+	 *
+	 * Note: Setting this property at run time takes effect on the following
+	 * interface state transition to/from the WPA_COMPLETED state.
+	 */
+	int p2p_cli_probe;
+
+	/**
+	 * okc - Whether to enable opportunistic key caching by default
+	 *
+	 * By default, OKC is disabled unless enabled by the per-network
+	 * proactive_key_caching=1 parameter. okc=1 can be used to change this
+	 * default behavior.
+	 */
+	int okc;
+
+	/**
+	 * pmf - Whether to enable/require PMF by default
+	 *
+	 * By default, PMF is disabled unless enabled by the per-network
+	 * ieee80211w=1 or ieee80211w=2 parameter. pmf=1/2 can be used to change
+	 * this default behavior for RSN network (this is not applicable for
+	 * non-RSN cases).
+	 */
+	enum mfp_options pmf;
+
+	/**
+	 * sae_groups - Preference list of enabled groups for SAE
+	 *
+	 * By default (if this parameter is not set), the mandatory group 19
+	 * (ECC group defined over a 256-bit prime order field) is preferred,
+	 * but other groups are also enabled. If this parameter is set, the
+	 * groups will be tried in the indicated order.
+	 */
+	int *sae_groups;
+
+	/**
+	 * dtim_period - Default DTIM period in Beacon intervals
+	 *
+	 * This parameter can be used to set the default value for network
+	 * blocks that do not specify dtim_period.
+	 */
+	int dtim_period;
+
+	/**
+	 * beacon_int - Default Beacon interval in TU
+	 *
+	 * This parameter can be used to set the default value for network
+	 * blocks that do not specify beacon_int.
+	 */
+	int beacon_int;
+
+	/**
+	 * ap_vendor_elements: Vendor specific elements for Beacon/ProbeResp
+	 *
+	 * This parameter can be used to define additional vendor specific
+	 * elements for Beacon and Probe Response frames in AP/P2P GO mode. The
+	 * format for these element(s) is a hexdump of the raw information
+	 * elements (id+len+payload for one or more elements).
+	 */
+	struct wpabuf *ap_vendor_elements;
+
+	/**
+	 * ignore_old_scan_res - Ignore scan results older than request
+	 *
+	 * The driver may have a cache of scan results that makes it return
+	 * information that is older than our scan trigger. This parameter can
+	 * be used to configure such old information to be ignored instead of
+	 * allowing it to update the internal BSS table.
+	 */
+	int ignore_old_scan_res;
+
+	/**
+	 * sched_scan_interval -  schedule scan interval
+	 */
+	unsigned int sched_scan_interval;
+
+	/**
+	 * tdls_external_control - External control for TDLS setup requests
+	 *
+	 * Enable TDLS mode where external programs are given the control
+	 * to specify the TDLS link to get established to the driver. The
+	 * driver requests the TDLS setup to the supplicant only for the
+	 * specified TDLS peers.
+	 */
+	int tdls_external_control;
+
+	u8 ip_addr_go[4];
+	u8 ip_addr_mask[4];
+	u8 ip_addr_start[4];
+	u8 ip_addr_end[4];
+
+	/**
+	 * osu_dir - OSU provider information directory
+	 *
+	 * If set, allow FETCH_OSU control interface command to be used to fetch
+	 * OSU provider information into all APs and store the results in this
+	 * directory.
+	 */
+	char *osu_dir;
+
+	/**
+	 * wowlan_triggers - Wake-on-WLAN triggers
+	 *
+	 * If set, these wowlan triggers will be configured.
+	 */
+	char *wowlan_triggers;
+
+	/**
+	 * p2p_search_delay - Extra delay between concurrent search iterations
+	 *
+	 * Add extra delay (in milliseconds) between search iterations when
+	 * there is a concurrent operation to make p2p_find friendlier to
+	 * concurrent operations by avoiding it from taking 100% of radio
+	 * resources.
+	 */
+	unsigned int p2p_search_delay;
+
+	/**
+	 * mac_addr - MAC address policy default
+	 *
+	 * 0 = use permanent MAC address
+	 * 1 = use random MAC address for each ESS connection
+	 * 2 = like 1, but maintain OUI (with local admin bit set)
+	 *
+	 * By default, permanent MAC address is used unless policy is changed by
+	 * the per-network mac_addr parameter. Global mac_addr=1 can be used to
+	 * change this default behavior.
+	 */
+	int mac_addr;
+
+	/**
+	 * rand_addr_lifetime - Lifetime of random MAC address in seconds
+	 */
+	unsigned int rand_addr_lifetime;
+
+	/**
+	 * preassoc_mac_addr - Pre-association MAC address policy
+	 *
+	 * 0 = use permanent MAC address
+	 * 1 = use random MAC address
+	 * 2 = like 1, but maintain OUI (with local admin bit set)
+	 */
+	int preassoc_mac_addr;
+
+	/**
+	 * key_mgmt_offload - Use key management offload
+	 *
+	 * Key management offload should be used if the device supports it.
+	 * Key management offload is the capability of a device operating as
+	 * a station to do the exchange necessary to establish temporal keys
+	 * during initial RSN connection, after roaming, or during a PTK
+	 * rekeying operation.
+	 */
+	int key_mgmt_offload;
+
+	/**
+	 * user_mpm - MPM residency
+	 *
+	 * 0: MPM lives in driver.
+	 * 1: wpa_supplicant handles peering and station allocation.
+	 *
+	 * If AMPE or SAE is enabled, the MPM is always in userspace.
+	 */
+	int user_mpm;
+
+	/**
+	 * max_peer_links - Maximum number of peer links
+	 *
+	 * Maximum number of mesh peering currently maintained by the STA.
+	 */
+	int max_peer_links;
+
+	/**
+	 * cert_in_cb - Whether to include a peer certificate dump in events
+	 *
+	 * This controls whether peer certificates for authentication server and
+	 * its certificate chain are included in EAP peer certificate events.
+	 */
+	int cert_in_cb;
+
+	/**
+	 * mesh_max_inactivity - Timeout in seconds to detect STA inactivity
+	 *
+	 * This timeout value is used in mesh STA to clean up inactive stations.
+	 * By default: 300 seconds.
+	 */
+	int mesh_max_inactivity;
+
+	/**
+	 * dot11RSNASAERetransPeriod - Timeout to retransmit SAE Auth frame
+	 *
+	 * This timeout value is used in mesh STA to retransmit
+	 * SAE Authentication frame.
+	 * By default: 1000 milliseconds.
+	 */
+	int dot11RSNASAERetransPeriod;
+
+	/**
+	 * passive_scan - Whether to force passive scan for network connection
+	 *
+	 * This parameter can be used to force only passive scanning to be used
+	 * for network connection cases. It should be noted that this will slow
+	 * down scan operations and reduce likelihood of finding the AP. In
+	 * addition, some use cases will override this due to functional
+	 * requirements, e.g., for finding an AP that uses hidden SSID
+	 * (scan_ssid=1) or P2P device discovery.
+	 */
+	int passive_scan;
+
+	/**
+	 * reassoc_same_bss_optim - Whether to optimize reassoc-to-same-BSS
+	 */
+	int reassoc_same_bss_optim;
+
+	/**
+	 * wps_priority - Priority for the networks added through WPS
+	 *
+	 * This priority value will be set to each network profile that is added
+	 * by executing the WPS protocol.
+	 */
+	int wps_priority;
+
+	/**
+	 * fst_group_id - FST group ID
+	 */
+	char *fst_group_id;
+
+	/**
+	 * fst_priority - priority of the interface within the FST group
+	 */
+	int fst_priority;
+
+	/**
+	 * fst_llt - default FST LLT (Link-Lost Timeout) to be used for the
+	 * interface.
+	 */
+	int fst_llt;
+
+	 /**
+	  * wpa_rsc_relaxation - RSC relaxation on GTK installation
+	  *
+	  * Values:
+	  * 0 - use the EAPOL-Key RSC value on GTK installation
+	  * 1 - use the null RSC if a bogus RSC value is detected in message 3
+	  * of 4-Way Handshake or message 1 of Group Key Handshake.
+	  */
+	 int wpa_rsc_relaxation;
+
+	/**
+	 * sched_scan_plans - Scan plans for scheduled scan
+	 *
+	 * Each scan plan specifies the interval between scans and the number of
+	 * iterations. The last scan plan only specifies the scan interval and
+	 * will be run infinitely.
+	 *
+	 * format: <interval:iterations> <interval2:iterations2> ... <interval>
+	 */
+	 char *sched_scan_plans;
+
+#ifdef CONFIG_MBO
+	/**
+	 * non_pref_chan - Non-preferred channels list, separated by spaces.
+	 *
+	 * format: op_class:chan:preference:reason<:detail>
+	 * Detail is optional.
+	 */
+	char *non_pref_chan;
+
+	/**
+	 * mbo_cell_capa - Cellular capabilities for MBO
+	 */
+	enum mbo_cellular_capa mbo_cell_capa;
+#endif /* CONFIG_MBO */
+
+	/**
+	 * gas_address3 - GAS Address3 field behavior
+	 *
+	 * Values:
+	 * 0 - P2P specification (Address3 = AP BSSID)
+	 * 1 = IEEE 802.11 standard compliant (Address3 = Wildcard BSSID when
+	 *	sent to not-associated AP; if associated, AP BSSID)
+	 */
+	int gas_address3;
+
+	/**
+	 * ftm_responder - Publish FTM (fine timing measurement)
+	 * responder functionality
+	 *
+	 * Values:
+	 * 0 - do not publish FTM responder functionality (Default)
+	 * 1 - publish FTM responder functionality in
+	 *	bit 70 of Extended Capabilities element
+	 * Note, actual FTM responder operation is managed outside
+	 * wpa_supplicant.
+	 */
+	int ftm_responder;
+
+	/**
+	 * ftm_initiator - Publish FTM (fine timing measurement)
+	 * initiator functionality
+	 *
+	 * Values:
+	 * 0 - do not publish FTM initiator functionality (Default)
+	 * 1 - publish FTM initiator functionality in
+	 *	bit 71 of Extended Capabilities element
+	 * Note, actual FTM initiator operation is managed outside
+	 * wpa_supplicant.
+	 */
+	int ftm_initiator;
+};
+
+
+/* Prototypes for common functions from config.c */
+
+void wpa_config_free(struct wpa_config *ssid);
+void wpa_config_free_ssid(struct wpa_ssid *ssid);
+void wpa_config_foreach_network(struct wpa_config *config,
+				void (*func)(void *, struct wpa_ssid *),
+				void *arg);
+struct wpa_ssid * wpa_config_get_network(struct wpa_config *config, int id);
+struct wpa_ssid * wpa_config_add_network(struct wpa_config *config);
+int wpa_config_remove_network(struct wpa_config *config, int id);
+void wpa_config_set_network_defaults(struct wpa_ssid *ssid);
+int wpa_config_set(struct wpa_ssid *ssid, const char *var, const char *value,
+		   int line);
+int wpa_config_set_quoted(struct wpa_ssid *ssid, const char *var,
+			  const char *value);
+int wpa_config_dump_values(struct wpa_config *config, char *buf,
+			   size_t buflen);
+int wpa_config_get_value(const char *name, struct wpa_config *config,
+			 char *buf, size_t buflen);
+
+char ** wpa_config_get_all(struct wpa_ssid *ssid, int get_keys);
+char * wpa_config_get(struct wpa_ssid *ssid, const char *var);
+char * wpa_config_get_no_key(struct wpa_ssid *ssid, const char *var);
+void wpa_config_update_psk(struct wpa_ssid *ssid);
+int wpa_config_add_prio_network(struct wpa_config *config,
+				struct wpa_ssid *ssid);
+int wpa_config_update_prio_list(struct wpa_config *config);
+const struct wpa_config_blob * wpa_config_get_blob(struct wpa_config *config,
+						   const char *name);
+void wpa_config_set_blob(struct wpa_config *config,
+			 struct wpa_config_blob *blob);
+void wpa_config_free_blob(struct wpa_config_blob *blob);
+int wpa_config_remove_blob(struct wpa_config *config, const char *name);
+void wpa_config_flush_blobs(struct wpa_config *config);
+
+struct wpa_cred * wpa_config_get_cred(struct wpa_config *config, int id);
+struct wpa_cred * wpa_config_add_cred(struct wpa_config *config);
+int wpa_config_remove_cred(struct wpa_config *config, int id);
+void wpa_config_free_cred(struct wpa_cred *cred);
+int wpa_config_set_cred(struct wpa_cred *cred, const char *var,
+			const char *value, int line);
+char * wpa_config_get_cred_no_key(struct wpa_cred *cred, const char *var);
+
+struct wpa_config * wpa_config_alloc_empty(const char *ctrl_interface,
+					   const char *driver_param);
+#ifndef CONFIG_NO_STDOUT_DEBUG
+void wpa_config_debug_dump_networks(struct wpa_config *config);
+#else /* CONFIG_NO_STDOUT_DEBUG */
+#define wpa_config_debug_dump_networks(c) do { } while (0)
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+/* Prototypes for common functions from config.c */
+int wpa_config_process_global(struct wpa_config *config, char *pos, int line);
+
+int wpa_config_get_num_global_field_names(void);
+
+const char * wpa_config_get_global_field_name(unsigned int i, int *no_var);
+
+/* Prototypes for backend specific functions from the selected config_*.c */
+
+/**
+ * wpa_config_read - Read and parse configuration database
+ * @name: Name of the configuration (e.g., path and file name for the
+ * configuration file)
+ * @cfgp: Pointer to previously allocated configuration data or %NULL if none
+ * Returns: Pointer to allocated configuration data or %NULL on failure
+ *
+ * This function reads configuration data, parses its contents, and allocates
+ * data structures needed for storing configuration information. The allocated
+ * data can be freed with wpa_config_free().
+ *
+ * Each configuration backend needs to implement this function.
+ */
+struct wpa_config * wpa_config_read(const char *name, struct wpa_config *cfgp);
+
+/**
+ * wpa_config_write - Write or update configuration data
+ * @name: Name of the configuration (e.g., path and file name for the
+ * configuration file)
+ * @config: Configuration data from wpa_config_read()
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function write all configuration data into an external database (e.g.,
+ * a text file) in a format that can be read with wpa_config_read(). This can
+ * be used to allow wpa_supplicant to update its configuration, e.g., when a
+ * new network is added or a password is changed.
+ *
+ * Each configuration backend needs to implement this function.
+ */
+int wpa_config_write(const char *name, struct wpa_config *config);
+
+#endif /* CONFIG_H */