hostap/wpa_supplicant/defconfig

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# Example wpa_supplicant build time configuration
#
# This file lists the configuration options that are used when building the
# hostapd binary. All lines starting with # are ignored. Configuration option
# lines must be commented out complete, if they are not to be included, i.e.,
# just setting VARIABLE=n is not disabling that variable.
#
# This file is included in Makefile, so variables like CFLAGS and LIBS can also
# be modified from here. In most cases, these lines should use += in order not
# to override previous values of the variables.
# Uncomment following two lines and fix the paths if you have installed OpenSSL
# or GnuTLS in non-default location
#CFLAGS += -I/usr/local/openssl/include
#LIBS += -L/usr/local/openssl/lib
# Some Red Hat versions seem to include kerberos header files from OpenSSL, but
# the kerberos files are not in the default include path. Following line can be
# used to fix build issues on such systems (krb5.h not found).
#CFLAGS += -I/usr/include/kerberos
# Example configuration for various cross-compilation platforms
#### sveasoft (e.g., for Linksys WRT54G) ######################################
#CC=mipsel-uclibc-gcc
#CC=/opt/brcm/hndtools-mipsel-uclibc/bin/mipsel-uclibc-gcc
#CFLAGS += -Os
#CPPFLAGS += -I../src/include -I../../src/router/openssl/include
#LIBS += -L/opt/brcm/hndtools-mipsel-uclibc-0.9.19/lib -lssl
###############################################################################
#### openwrt (e.g., for Linksys WRT54G) #######################################
#CC=mipsel-uclibc-gcc
#CC=/opt/brcm/hndtools-mipsel-uclibc/bin/mipsel-uclibc-gcc
#CFLAGS += -Os
#CPPFLAGS=-I../src/include -I../openssl-0.9.7d/include \
# -I../WRT54GS/release/src/include
#LIBS = -lssl
###############################################################################
# Driver interface for Host AP driver
CONFIG_DRIVER_HOSTAP=y
# Driver interface for Agere driver
#CONFIG_DRIVER_HERMES=y
# Change include directories to match with the local setup
#CFLAGS += -I../../hcf -I../../include -I../../include/hcf
#CFLAGS += -I../../include/wireless
# Driver interface for madwifi driver
# Deprecated; use CONFIG_DRIVER_WEXT=y instead.
#CONFIG_DRIVER_MADWIFI=y
# Set include directory to the madwifi source tree
#CFLAGS += -I../../madwifi
# Driver interface for ndiswrapper
# Deprecated; use CONFIG_DRIVER_WEXT=y instead.
#CONFIG_DRIVER_NDISWRAPPER=y
# Driver interface for Atmel driver
CONFIG_DRIVER_ATMEL=y
# Driver interface for old Broadcom driver
# Please note that the newer Broadcom driver ("hybrid Linux driver") supports
# Linux wireless extensions and does not need (or even work) with the old
# driver wrapper. Use CONFIG_DRIVER_WEXT=y with that driver.
#CONFIG_DRIVER_BROADCOM=y
# Example path for wlioctl.h; change to match your configuration
#CFLAGS += -I/opt/WRT54GS/release/src/include
# Driver interface for Intel ipw2100/2200 driver
# Deprecated; use CONFIG_DRIVER_WEXT=y instead.
#CONFIG_DRIVER_IPW=y
# Driver interface for Ralink driver
#CONFIG_DRIVER_RALINK=y
# Driver interface for generic Linux wireless extensions
# Note: WEXT is deprecated in the current Linux kernel version and no new
# functionality is added to it. nl80211-based interface is the new
# replacement for WEXT and its use allows wpa_supplicant to properly control
# the driver to improve existing functionality like roaming and to support new
# functionality.
CONFIG_DRIVER_WEXT=y
# Driver interface for Linux drivers using the nl80211 kernel interface
CONFIG_DRIVER_NL80211=y
# Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
#CONFIG_DRIVER_BSD=y
#CFLAGS += -I/usr/local/include
#LIBS += -L/usr/local/lib
#LIBS_p += -L/usr/local/lib
#LIBS_c += -L/usr/local/lib
# Driver interface for Windows NDIS
#CONFIG_DRIVER_NDIS=y
#CFLAGS += -I/usr/include/w32api/ddk
#LIBS += -L/usr/local/lib
# For native build using mingw
#CONFIG_NATIVE_WINDOWS=y
# Additional directories for cross-compilation on Linux host for mingw target
#CFLAGS += -I/opt/mingw/mingw32/include/ddk
#LIBS += -L/opt/mingw/mingw32/lib
#CC=mingw32-gcc
# By default, driver_ndis uses WinPcap for low-level operations. This can be
# replaced with the following option which replaces WinPcap calls with NDISUIO.
# However, this requires that WZC is disabled (net stop wzcsvc) before starting
# wpa_supplicant.
# CONFIG_USE_NDISUIO=y
# Driver interface for development testing
#CONFIG_DRIVER_TEST=y
# Driver interface for wired Ethernet drivers
CONFIG_DRIVER_WIRED=y
# Driver interface for the Broadcom RoboSwitch family
#CONFIG_DRIVER_ROBOSWITCH=y
# Driver interface for no driver (e.g., WPS ER only)
#CONFIG_DRIVER_NONE=y
# Solaris libraries
#LIBS += -lsocket -ldlpi -lnsl
#LIBS_c += -lsocket
# Enable IEEE 802.1X Supplicant (automatically included if any EAP method is
# included)
CONFIG_IEEE8021X_EAPOL=y
# EAP-MD5
CONFIG_EAP_MD5=y
# EAP-MSCHAPv2
CONFIG_EAP_MSCHAPV2=y
# EAP-TLS
CONFIG_EAP_TLS=y
# EAL-PEAP
CONFIG_EAP_PEAP=y
# EAP-TTLS
CONFIG_EAP_TTLS=y
# EAP-FAST
# Note: Default OpenSSL package does not include support for all the
# functionality needed for EAP-FAST. If EAP-FAST is enabled with OpenSSL,
# the OpenSSL library must be patched (openssl-0.9.8d-tls-extensions.patch)
# to add the needed functions.
#CONFIG_EAP_FAST=y
# EAP-GTC
CONFIG_EAP_GTC=y
# EAP-OTP
CONFIG_EAP_OTP=y
# EAP-SIM (enable CONFIG_PCSC, if EAP-SIM is used)
#CONFIG_EAP_SIM=y
# EAP-PSK (experimental; this is _not_ needed for WPA-PSK)
#CONFIG_EAP_PSK=y
# EAP-pwd (secure authentication using only a password)
#CONFIG_EAP_PWD=y
# EAP-PAX
#CONFIG_EAP_PAX=y
# LEAP
CONFIG_EAP_LEAP=y
# EAP-AKA (enable CONFIG_PCSC, if EAP-AKA is used)
#CONFIG_EAP_AKA=y
# EAP-AKA' (enable CONFIG_PCSC, if EAP-AKA' is used).
# This requires CONFIG_EAP_AKA to be enabled, too.
#CONFIG_EAP_AKA_PRIME=y
# Enable USIM simulator (Milenage) for EAP-AKA
#CONFIG_USIM_SIMULATOR=y
# EAP-SAKE
#CONFIG_EAP_SAKE=y
# EAP-GPSK
#CONFIG_EAP_GPSK=y
# Include support for optional SHA256 cipher suite in EAP-GPSK
#CONFIG_EAP_GPSK_SHA256=y
# EAP-TNC and related Trusted Network Connect support (experimental)
#CONFIG_EAP_TNC=y
# Wi-Fi Protected Setup (WPS)
#CONFIG_WPS=y
# Enable WSC 2.0 support
#CONFIG_WPS2=y
# Enable WPS external registrar functionality
#CONFIG_WPS_ER=y
# Disable credentials for an open network by default when acting as a WPS
# registrar.
#CONFIG_WPS_REG_DISABLE_OPEN=y
# EAP-IKEv2
#CONFIG_EAP_IKEV2=y
# PKCS#12 (PFX) support (used to read private key and certificate file from
# a file that usually has extension .p12 or .pfx)
CONFIG_PKCS12=y
# Smartcard support (i.e., private key on a smartcard), e.g., with openssl
# engine.
CONFIG_SMARTCARD=y
# PC/SC interface for smartcards (USIM, GSM SIM)
# Enable this if EAP-SIM or EAP-AKA is included
#CONFIG_PCSC=y
# Support HT overrides (disable HT/HT40, mask MCS rates, etc.)
#CONFIG_HT_OVERRIDES=y
# Development testing
#CONFIG_EAPOL_TEST=y
# Select control interface backend for external programs, e.g, wpa_cli:
# unix = UNIX domain sockets (default for Linux/*BSD)
# udp = UDP sockets using localhost (127.0.0.1)
# named_pipe = Windows Named Pipe (default for Windows)
# y = use default (backwards compatibility)
# If this option is commented out, control interface is not included in the
# build.
CONFIG_CTRL_IFACE=y
# Include support for GNU Readline and History Libraries in wpa_cli.
# When building a wpa_cli binary for distribution, please note that these
# libraries are licensed under GPL and as such, BSD license may not apply for
# the resulting binary.
#CONFIG_READLINE=y
# Include internal line edit mode in wpa_cli. This can be used as a replacement
# for GNU Readline to provide limited command line editing and history support.
#CONFIG_WPA_CLI_EDIT=y
# Remove debugging code that is printing out debug message to stdout.
# This can be used to reduce the size of the wpa_supplicant considerably
# if debugging code is not needed. The size reduction can be around 35%
# (e.g., 90 kB).
#CONFIG_NO_STDOUT_DEBUG=y
# Remove WPA support, e.g., for wired-only IEEE 802.1X supplicant, to save
# 35-50 kB in code size.
#CONFIG_NO_WPA=y
# Remove WPA2 support. This allows WPA to be used, but removes WPA2 code to
# save about 1 kB in code size when building only WPA-Personal (no EAP support)
# or 6 kB if building for WPA-Enterprise.
#CONFIG_NO_WPA2=y
# Remove IEEE 802.11i/WPA-Personal ASCII passphrase support
# This option can be used to reduce code size by removing support for
# converting ASCII passphrases into PSK. If this functionality is removed, the
# PSK can only be configured as the 64-octet hexstring (e.g., from
# wpa_passphrase). This saves about 0.5 kB in code size.
#CONFIG_NO_WPA_PASSPHRASE=y
# Disable scan result processing (ap_mode=1) to save code size by about 1 kB.
# This can be used if ap_scan=1 mode is never enabled.
#CONFIG_NO_SCAN_PROCESSING=y
# Select configuration backend:
# file = text file (e.g., wpa_supplicant.conf; note: the configuration file
# path is given on command line, not here; this option is just used to
# select the backend that allows configuration files to be used)
# winreg = Windows registry (see win_example.reg for an example)
CONFIG_BACKEND=file
# Remove configuration write functionality (i.e., to allow the configuration
# file to be updated based on runtime configuration changes). The runtime
# configuration can still be changed, the changes are just not going to be
# persistent over restarts. This option can be used to reduce code size by
# about 3.5 kB.
#CONFIG_NO_CONFIG_WRITE=y
# Remove support for configuration blobs to reduce code size by about 1.5 kB.
#CONFIG_NO_CONFIG_BLOBS=y
# Select program entry point implementation:
# main = UNIX/POSIX like main() function (default)
# main_winsvc = Windows service (read parameters from registry)
# main_none = Very basic example (development use only)
#CONFIG_MAIN=main
# Select wrapper for operatins system and C library specific functions
# unix = UNIX/POSIX like systems (default)
# win32 = Windows systems
# none = Empty template
#CONFIG_OS=unix
# Select event loop implementation
# eloop = select() loop (default)
# eloop_win = Windows events and WaitForMultipleObject() loop
# eloop_none = Empty template
#CONFIG_ELOOP=eloop
# Should we use poll instead of select? Select is used by default.
#CONFIG_ELOOP_POLL=y
# Select layer 2 packet implementation
# linux = Linux packet socket (default)
# pcap = libpcap/libdnet/WinPcap
# freebsd = FreeBSD libpcap
# winpcap = WinPcap with receive thread
# ndis = Windows NDISUIO (note: requires CONFIG_USE_NDISUIO=y)
# none = Empty template
#CONFIG_L2_PACKET=linux
# PeerKey handshake for Station to Station Link (IEEE 802.11e DLS)
CONFIG_PEERKEY=y
# IEEE 802.11w (management frame protection)
# This version is an experimental implementation based on IEEE 802.11w/D1.0
# draft and is subject to change since the standard has not yet been finalized.
# Driver support is also needed for IEEE 802.11w.
#CONFIG_IEEE80211W=y
# Select TLS implementation
# openssl = OpenSSL (default)
# gnutls = GnuTLS
# internal = Internal TLSv1 implementation (experimental)
# none = Empty template
#CONFIG_TLS=openssl
# TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.1)
# can be enabled to get a stronger construction of messages when block ciphers
# are used. It should be noted that some existing TLS v1.0 -based
# implementation may not be compatible with TLS v1.1 message (ClientHello is
# sent prior to negotiating which version will be used)
#CONFIG_TLSV11=y
# TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.2)
# can be enabled to enable use of stronger crypto algorithms. It should be
# noted that some existing TLS v1.0 -based implementation may not be compatible
# with TLS v1.2 message (ClientHello is sent prior to negotiating which version
# will be used)
#CONFIG_TLSV12=y
# If CONFIG_TLS=internal is used, additional library and include paths are
# needed for LibTomMath. Alternatively, an integrated, minimal version of
# LibTomMath can be used. See beginning of libtommath.c for details on benefits
# and drawbacks of this option.
#CONFIG_INTERNAL_LIBTOMMATH=y
#ifndef CONFIG_INTERNAL_LIBTOMMATH
#LTM_PATH=/usr/src/libtommath-0.39
#CFLAGS += -I$(LTM_PATH)
#LIBS += -L$(LTM_PATH)
#LIBS_p += -L$(LTM_PATH)
#endif
# At the cost of about 4 kB of additional binary size, the internal LibTomMath
# can be configured to include faster routines for exptmod, sqr, and div to
# speed up DH and RSA calculation considerably
#CONFIG_INTERNAL_LIBTOMMATH_FAST=y
# Include NDIS event processing through WMI into wpa_supplicant/wpasvc.
# This is only for Windows builds and requires WMI-related header files and
# WbemUuid.Lib from Platform SDK even when building with MinGW.
#CONFIG_NDIS_EVENTS_INTEGRATED=y
#PLATFORMSDKLIB="/opt/Program Files/Microsoft Platform SDK/Lib"
# Add support for old DBus control interface
# (fi.epitest.hostap.WPASupplicant)
#CONFIG_CTRL_IFACE_DBUS=y
# Add support for new DBus control interface
# (fi.w1.hostap.wpa_supplicant1)
#CONFIG_CTRL_IFACE_DBUS_NEW=y
# Add introspection support for new DBus control interface
#CONFIG_CTRL_IFACE_DBUS_INTRO=y
# Add support for loading EAP methods dynamically as shared libraries.
# When this option is enabled, each EAP method can be either included
# statically (CONFIG_EAP_<method>=y) or dynamically (CONFIG_EAP_<method>=dyn).
# Dynamic EAP methods are build as shared objects (eap_*.so) and they need to
# be loaded in the beginning of the wpa_supplicant configuration file
# (see load_dynamic_eap parameter in the example file) before being used in
# the network blocks.
#
# Note that some shared parts of EAP methods are included in the main program
# and in order to be able to use dynamic EAP methods using these parts, the
# main program must have been build with the EAP method enabled (=y or =dyn).
# This means that EAP-TLS/PEAP/TTLS/FAST cannot be added as dynamic libraries
# unless at least one of them was included in the main build to force inclusion
# of the shared code. Similarly, at least one of EAP-SIM/AKA must be included
# in the main build to be able to load these methods dynamically.
#
# Please also note that using dynamic libraries will increase the total binary
# size. Thus, it may not be the best option for targets that have limited
# amount of memory/flash.
#CONFIG_DYNAMIC_EAP_METHODS=y
# IEEE Std 802.11r-2008 (Fast BSS Transition)
#CONFIG_IEEE80211R=y
# Add support for writing debug log to a file (/tmp/wpa_supplicant-log-#.txt)
#CONFIG_DEBUG_FILE=y
# Send debug messages to syslog instead of stdout
#CONFIG_DEBUG_SYSLOG=y
# Set syslog facility for debug messages
#CONFIG_DEBUG_SYSLOG_FACILITY=LOG_DAEMON
# Add support for sending all debug messages (regardless of debug verbosity)
# to the Linux kernel tracing facility. This helps debug the entire stack by
# making it easy to record everything happening from the driver up into the
# same file, e.g., using trace-cmd.
#CONFIG_DEBUG_LINUX_TRACING=y
# Enable privilege separation (see README 'Privilege separation' for details)
#CONFIG_PRIVSEP=y
# Enable mitigation against certain attacks against TKIP by delaying Michael
# MIC error reports by a random amount of time between 0 and 60 seconds
#CONFIG_DELAYED_MIC_ERROR_REPORT=y
# Enable tracing code for developer debugging
# This tracks use of memory allocations and other registrations and reports
# incorrect use with a backtrace of call (or allocation) location.
#CONFIG_WPA_TRACE=y
# For BSD, uncomment these.
#LIBS += -lexecinfo
#LIBS_p += -lexecinfo
#LIBS_c += -lexecinfo
# Use libbfd to get more details for developer debugging
# This enables use of libbfd to get more detailed symbols for the backtraces
# generated by CONFIG_WPA_TRACE=y.
#CONFIG_WPA_TRACE_BFD=y
# For BSD, uncomment these.
#LIBS += -lbfd -liberty -lz
#LIBS_p += -lbfd -liberty -lz
#LIBS_c += -lbfd -liberty -lz
Maintain internal entropy pool for augmenting random number generation By default, make hostapd and wpa_supplicant maintain an internal entropy pool that is fed with following information: hostapd: - Probe Request frames (timing, RSSI) - Association events (timing) - SNonce from Supplicants wpa_supplicant: - Scan results (timing, signal/noise) - Association events (timing) The internal pool is used to augment the random numbers generated with the OS mechanism (os_get_random()). While the internal implementation is not expected to be very strong due to limited amount of generic (non-platform specific) information to feed the pool, this may strengthen key derivation on some devices that are not configured to provide strong random numbers through os_get_random() (e.g., /dev/urandom on Linux/BSD). This new mechanism is not supposed to replace proper OS provided random number generation mechanism. The OS mechanism needs to be initialized properly (e.g., hw random number generator, maintaining entropy pool over reboots, etc.) for any of the security assumptions to hold. If the os_get_random() is known to provide strong ramdom data (e.g., on Linux/BSD, the board in question is known to have reliable source of random data from /dev/urandom), the internal hostapd random pool can be disabled. This will save some in binary size and CPU use. However, this should only be considered for builds that are known to be used on devices that meet the requirements described above. The internal pool is disabled by adding CONFIG_NO_RANDOM_POOL=y to the .config file.
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# wpa_supplicant depends on strong random number generation being available
# from the operating system. os_get_random() function is used to fetch random
# data when needed, e.g., for key generation. On Linux and BSD systems, this
# works by reading /dev/urandom. It should be noted that the OS entropy pool
# needs to be properly initialized before wpa_supplicant is started. This is
# important especially on embedded devices that do not have a hardware random
# number generator and may by default start up with minimal entropy available
# for random number generation.
#
# As a safety net, wpa_supplicant is by default trying to internally collect
# additional entropy for generating random data to mix in with the data fetched
# from the OS. This by itself is not considered to be very strong, but it may
# help in cases where the system pool is not initialized properly. However, it
# is very strongly recommended that the system pool is initialized with enough
# entropy either by using hardware assisted random number generator or by
Maintain internal entropy pool for augmenting random number generation By default, make hostapd and wpa_supplicant maintain an internal entropy pool that is fed with following information: hostapd: - Probe Request frames (timing, RSSI) - Association events (timing) - SNonce from Supplicants wpa_supplicant: - Scan results (timing, signal/noise) - Association events (timing) The internal pool is used to augment the random numbers generated with the OS mechanism (os_get_random()). While the internal implementation is not expected to be very strong due to limited amount of generic (non-platform specific) information to feed the pool, this may strengthen key derivation on some devices that are not configured to provide strong random numbers through os_get_random() (e.g., /dev/urandom on Linux/BSD). This new mechanism is not supposed to replace proper OS provided random number generation mechanism. The OS mechanism needs to be initialized properly (e.g., hw random number generator, maintaining entropy pool over reboots, etc.) for any of the security assumptions to hold. If the os_get_random() is known to provide strong ramdom data (e.g., on Linux/BSD, the board in question is known to have reliable source of random data from /dev/urandom), the internal hostapd random pool can be disabled. This will save some in binary size and CPU use. However, this should only be considered for builds that are known to be used on devices that meet the requirements described above. The internal pool is disabled by adding CONFIG_NO_RANDOM_POOL=y to the .config file.
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# storing state over device reboots.
#
# wpa_supplicant can be configured to maintain its own entropy store over
# restarts to enhance random number generation. This is not perfect, but it is
# much more secure than using the same sequence of random numbers after every
# reboot. This can be enabled with -e<entropy file> command line option. The
# specified file needs to be readable and writable by wpa_supplicant.
#
# If the os_get_random() is known to provide strong random data (e.g., on
Maintain internal entropy pool for augmenting random number generation By default, make hostapd and wpa_supplicant maintain an internal entropy pool that is fed with following information: hostapd: - Probe Request frames (timing, RSSI) - Association events (timing) - SNonce from Supplicants wpa_supplicant: - Scan results (timing, signal/noise) - Association events (timing) The internal pool is used to augment the random numbers generated with the OS mechanism (os_get_random()). While the internal implementation is not expected to be very strong due to limited amount of generic (non-platform specific) information to feed the pool, this may strengthen key derivation on some devices that are not configured to provide strong random numbers through os_get_random() (e.g., /dev/urandom on Linux/BSD). This new mechanism is not supposed to replace proper OS provided random number generation mechanism. The OS mechanism needs to be initialized properly (e.g., hw random number generator, maintaining entropy pool over reboots, etc.) for any of the security assumptions to hold. If the os_get_random() is known to provide strong ramdom data (e.g., on Linux/BSD, the board in question is known to have reliable source of random data from /dev/urandom), the internal hostapd random pool can be disabled. This will save some in binary size and CPU use. However, this should only be considered for builds that are known to be used on devices that meet the requirements described above. The internal pool is disabled by adding CONFIG_NO_RANDOM_POOL=y to the .config file.
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# Linux/BSD, the board in question is known to have reliable source of random
# data from /dev/urandom), the internal wpa_supplicant random pool can be
# disabled. This will save some in binary size and CPU use. However, this
# should only be considered for builds that are known to be used on devices
# that meet the requirements described above.
#CONFIG_NO_RANDOM_POOL=y
# IEEE 802.11n (High Throughput) support (mainly for AP mode)
#CONFIG_IEEE80211N=y
# Interworking (IEEE 802.11u)
# This can be used to enable functionality to improve interworking with
# external networks (GAS/ANQP to learn more about the networks and network
# selection based on available credentials).
#CONFIG_INTERWORKING=y