hostap/wpa_supplicant/config.h

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/*
* 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
Add support for using random local MAC address This adds experimental support for wpa_supplicant to assign random local MAC addresses for both pre-association cases (scan, GAS/ANQP) and for connections. MAC address policy for each part can be controlled separately and the connection part can be set per network block. This requires support from the driver to allow local MAC address to be changed if random address policy is enabled. It should also be noted that number of drivers would not support concurrent operations (e.g., P2P and station association) with random addresses in use for one or both. This functionality can be controlled with the global configuration parameters mac_addr and preassoc_mac_addr which set the default MAC address policies for connections and pre-association operations (scan and GAS/ANQP while not connected). The global rand_addr_lifetime parameter can be used to set the lifetime of a random MAC address in seconds (default: 60 seconds). This is used to avoid unnecessarily frequent MAC address changes since those are likely to result in driver clearing most of its state. It should be noted that the random MAC address does not expire during an ESS connection, i.e., this lifetime is only for the case where the device is disconnected. The mac_addr parameter can also be set in the network blocks to define different behavior per network. For example, the global mac_addr=1 and preassoc_mac_addr=1 settings and mac_addr=0 in a home network profile would result in behavior where all scanning is performed using a random MAC address while connections to new networks (e.g., Interworking/Hotspot 2.0) would use random address and connections to the home network would use the permanent MAC address. Signed-off-by: Jouni Malinen <j@w1.fi>
2014-09-27 18:12:41 +02:00
#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
#define DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD -75
#define DEFAULT_OCE_SUPPORT OCE_STA
#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
2009-01-04 14:07:54 +01:00
* 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];
/**
* auto_uuid - Automatic UUID behavior
* 0 = generate static value based on the local MAC address (default)
* 1 = generate a random UUID every time wpa_supplicant starts
*/
int auto_uuid;
/**
* 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;
/**
2011-03-20 11:15:02 +01:00
* 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;
/**
* sched_scan_start_delay - Schedule scan start delay before first scan
*
* Delay (in seconds) before scheduling first scan plan cycle. The
* driver may ignore this parameter and start immediately (or at any
* other time), if this feature is not supported.
*/
unsigned int sched_scan_start_delay;
/**
* 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;
Add support for using random local MAC address This adds experimental support for wpa_supplicant to assign random local MAC addresses for both pre-association cases (scan, GAS/ANQP) and for connections. MAC address policy for each part can be controlled separately and the connection part can be set per network block. This requires support from the driver to allow local MAC address to be changed if random address policy is enabled. It should also be noted that number of drivers would not support concurrent operations (e.g., P2P and station association) with random addresses in use for one or both. This functionality can be controlled with the global configuration parameters mac_addr and preassoc_mac_addr which set the default MAC address policies for connections and pre-association operations (scan and GAS/ANQP while not connected). The global rand_addr_lifetime parameter can be used to set the lifetime of a random MAC address in seconds (default: 60 seconds). This is used to avoid unnecessarily frequent MAC address changes since those are likely to result in driver clearing most of its state. It should be noted that the random MAC address does not expire during an ESS connection, i.e., this lifetime is only for the case where the device is disconnected. The mac_addr parameter can also be set in the network blocks to define different behavior per network. For example, the global mac_addr=1 and preassoc_mac_addr=1 settings and mac_addr=0 in a home network profile would result in behavior where all scanning is performed using a random MAC address while connections to new networks (e.g., Interworking/Hotspot 2.0) would use random address and connections to the home network would use the permanent MAC address. Signed-off-by: Jouni Malinen <j@w1.fi>
2014-09-27 18:12:41 +02:00
/**
* 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)
Add support for using random local MAC address This adds experimental support for wpa_supplicant to assign random local MAC addresses for both pre-association cases (scan, GAS/ANQP) and for connections. MAC address policy for each part can be controlled separately and the connection part can be set per network block. This requires support from the driver to allow local MAC address to be changed if random address policy is enabled. It should also be noted that number of drivers would not support concurrent operations (e.g., P2P and station association) with random addresses in use for one or both. This functionality can be controlled with the global configuration parameters mac_addr and preassoc_mac_addr which set the default MAC address policies for connections and pre-association operations (scan and GAS/ANQP while not connected). The global rand_addr_lifetime parameter can be used to set the lifetime of a random MAC address in seconds (default: 60 seconds). This is used to avoid unnecessarily frequent MAC address changes since those are likely to result in driver clearing most of its state. It should be noted that the random MAC address does not expire during an ESS connection, i.e., this lifetime is only for the case where the device is disconnected. The mac_addr parameter can also be set in the network blocks to define different behavior per network. For example, the global mac_addr=1 and preassoc_mac_addr=1 settings and mac_addr=0 in a home network profile would result in behavior where all scanning is performed using a random MAC address while connections to new networks (e.g., Interworking/Hotspot 2.0) would use random address and connections to the home network would use the permanent MAC address. Signed-off-by: Jouni Malinen <j@w1.fi>
2014-09-27 18:12:41 +02:00
*
* 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)
Add support for using random local MAC address This adds experimental support for wpa_supplicant to assign random local MAC addresses for both pre-association cases (scan, GAS/ANQP) and for connections. MAC address policy for each part can be controlled separately and the connection part can be set per network block. This requires support from the driver to allow local MAC address to be changed if random address policy is enabled. It should also be noted that number of drivers would not support concurrent operations (e.g., P2P and station association) with random addresses in use for one or both. This functionality can be controlled with the global configuration parameters mac_addr and preassoc_mac_addr which set the default MAC address policies for connections and pre-association operations (scan and GAS/ANQP while not connected). The global rand_addr_lifetime parameter can be used to set the lifetime of a random MAC address in seconds (default: 60 seconds). This is used to avoid unnecessarily frequent MAC address changes since those are likely to result in driver clearing most of its state. It should be noted that the random MAC address does not expire during an ESS connection, i.e., this lifetime is only for the case where the device is disconnected. The mac_addr parameter can also be set in the network blocks to define different behavior per network. For example, the global mac_addr=1 and preassoc_mac_addr=1 settings and mac_addr=0 in a home network profile would result in behavior where all scanning is performed using a random MAC address while connections to new networks (e.g., Interworking/Hotspot 2.0) would use random address and connections to the home network would use the permanent MAC address. Signed-off-by: Jouni Malinen <j@w1.fi>
2014-09-27 18:12:41 +02:00
*/
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;
/**
* disassoc_imminent_rssi_threshold - RSSI threshold of candidate AP
* when disassociation imminent is set.
*/
int disassoc_imminent_rssi_threshold;
/**
* oce - Enable OCE in STA and/or STA-CFON mode
* - Set BIT(0) to enable OCE in non-AP STA mode
* - Set BIT(1) to enable OCE in STA-CFON mode
*/
unsigned int oce;
#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;
/**
* gas_rand_addr_lifetime - Lifetime of random MAC address for ANQP in
* seconds
*/
unsigned int gas_rand_addr_lifetime;
/**
* gas_rand_mac_addr - GAS 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 gas_rand_mac_addr;
/**
* dpp_config_processing - How to process DPP configuration
*
* 0 = report received configuration to an external program for
* processing; do not generate any network profile internally
* 1 = report received configuration to an external program and generate
* a network profile internally, but do not automatically connect
* to the created (disabled) profile; the network profile id is
* reported to external programs
* 2 = report received configuration to an external program, generate
* a network profile internally, try to connect to the created
* profile automatically
*/
int dpp_config_processing;
};
/* 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 */