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defconfig revision 1.2
      1  1.1  christos # Example wpa_supplicant build time configuration
      2  1.1  christos #
      3  1.1  christos # This file lists the configuration options that are used when building the
      4  1.1  christos # hostapd binary. All lines starting with # are ignored. Configuration option
      5  1.1  christos # lines must be commented out complete, if they are not to be included, i.e.,
      6  1.1  christos # just setting VARIABLE=n is not disabling that variable.
      7  1.1  christos #
      8  1.1  christos # This file is included in Makefile, so variables like CFLAGS and LIBS can also
      9  1.1  christos # be modified from here. In most cases, these lines should use += in order not
     10  1.1  christos # to override previous values of the variables.
     11  1.1  christos 
     12  1.1  christos 
     13  1.1  christos # Uncomment following two lines and fix the paths if you have installed OpenSSL
     14  1.1  christos # or GnuTLS in non-default location
     15  1.1  christos #CFLAGS += -I/usr/local/openssl/include
     16  1.1  christos #LIBS += -L/usr/local/openssl/lib
     17  1.1  christos 
     18  1.1  christos # Some Red Hat versions seem to include kerberos header files from OpenSSL, but
     19  1.1  christos # the kerberos files are not in the default include path. Following line can be
     20  1.1  christos # used to fix build issues on such systems (krb5.h not found).
     21  1.1  christos #CFLAGS += -I/usr/include/kerberos
     22  1.1  christos 
     23  1.2       roy # Driver interface for generic Linux wireless extensions
     24  1.2       roy # Note: WEXT is deprecated in the current Linux kernel version and no new
     25  1.2       roy # functionality is added to it. nl80211-based interface is the new
     26  1.2       roy # replacement for WEXT and its use allows wpa_supplicant to properly control
     27  1.2       roy # the driver to improve existing functionality like roaming and to support new
     28  1.2       roy # functionality.
     29  1.2       roy CONFIG_DRIVER_WEXT=y
     30  1.1  christos 
     31  1.2       roy # Driver interface for Linux drivers using the nl80211 kernel interface
     32  1.2       roy CONFIG_DRIVER_NL80211=y
     33  1.1  christos 
     34  1.2       roy # driver_nl80211.c requires libnl. If you are compiling it yourself
     35  1.2       roy # you may need to point hostapd to your version of libnl.
     36  1.2       roy #
     37  1.2       roy #CFLAGS += -I$<path to libnl include files>
     38  1.2       roy #LIBS += -L$<path to libnl library files>
     39  1.1  christos 
     40  1.2       roy # Use libnl v2.0 (or 3.0) libraries.
     41  1.2       roy #CONFIG_LIBNL20=y
     42  1.2       roy 
     43  1.2       roy # Use libnl 3.2 libraries (if this is selected, CONFIG_LIBNL20 is ignored)
     44  1.2       roy #CONFIG_LIBNL32=y
     45  1.1  christos 
     46  1.1  christos 
     47  1.1  christos # Driver interface for FreeBSD net80211 layer (e.g., Atheros driver)
     48  1.1  christos #CONFIG_DRIVER_BSD=y
     49  1.1  christos #CFLAGS += -I/usr/local/include
     50  1.1  christos #LIBS += -L/usr/local/lib
     51  1.1  christos #LIBS_p += -L/usr/local/lib
     52  1.1  christos #LIBS_c += -L/usr/local/lib
     53  1.1  christos 
     54  1.1  christos # Driver interface for Windows NDIS
     55  1.1  christos #CONFIG_DRIVER_NDIS=y
     56  1.1  christos #CFLAGS += -I/usr/include/w32api/ddk
     57  1.1  christos #LIBS += -L/usr/local/lib
     58  1.1  christos # For native build using mingw
     59  1.1  christos #CONFIG_NATIVE_WINDOWS=y
     60  1.1  christos # Additional directories for cross-compilation on Linux host for mingw target
     61  1.1  christos #CFLAGS += -I/opt/mingw/mingw32/include/ddk
     62  1.1  christos #LIBS += -L/opt/mingw/mingw32/lib
     63  1.1  christos #CC=mingw32-gcc
     64  1.1  christos # By default, driver_ndis uses WinPcap for low-level operations. This can be
     65  1.1  christos # replaced with the following option which replaces WinPcap calls with NDISUIO.
     66  1.1  christos # However, this requires that WZC is disabled (net stop wzcsvc) before starting
     67  1.1  christos # wpa_supplicant.
     68  1.1  christos # CONFIG_USE_NDISUIO=y
     69  1.1  christos 
     70  1.1  christos # Driver interface for wired Ethernet drivers
     71  1.1  christos CONFIG_DRIVER_WIRED=y
     72  1.1  christos 
     73  1.1  christos # Driver interface for the Broadcom RoboSwitch family
     74  1.1  christos #CONFIG_DRIVER_ROBOSWITCH=y
     75  1.1  christos 
     76  1.1  christos # Driver interface for no driver (e.g., WPS ER only)
     77  1.1  christos #CONFIG_DRIVER_NONE=y
     78  1.1  christos 
     79  1.2       roy # Solaris libraries
     80  1.2       roy #LIBS += -lsocket -ldlpi -lnsl
     81  1.2       roy #LIBS_c += -lsocket
     82  1.2       roy 
     83  1.1  christos # Enable IEEE 802.1X Supplicant (automatically included if any EAP method is
     84  1.1  christos # included)
     85  1.1  christos CONFIG_IEEE8021X_EAPOL=y
     86  1.1  christos 
     87  1.1  christos # EAP-MD5
     88  1.1  christos CONFIG_EAP_MD5=y
     89  1.1  christos 
     90  1.1  christos # EAP-MSCHAPv2
     91  1.1  christos CONFIG_EAP_MSCHAPV2=y
     92  1.1  christos 
     93  1.1  christos # EAP-TLS
     94  1.1  christos CONFIG_EAP_TLS=y
     95  1.1  christos 
     96  1.1  christos # EAL-PEAP
     97  1.1  christos CONFIG_EAP_PEAP=y
     98  1.1  christos 
     99  1.1  christos # EAP-TTLS
    100  1.1  christos CONFIG_EAP_TTLS=y
    101  1.1  christos 
    102  1.1  christos # EAP-FAST
    103  1.2       roy # Note: If OpenSSL is used as the TLS library, OpenSSL 1.0 or newer is needed
    104  1.2       roy # for EAP-FAST support. Older OpenSSL releases would need to be patched, e.g.,
    105  1.2       roy # with openssl-0.9.8x-tls-extensions.patch, to add the needed functions.
    106  1.1  christos #CONFIG_EAP_FAST=y
    107  1.1  christos 
    108  1.1  christos # EAP-GTC
    109  1.1  christos CONFIG_EAP_GTC=y
    110  1.1  christos 
    111  1.1  christos # EAP-OTP
    112  1.1  christos CONFIG_EAP_OTP=y
    113  1.1  christos 
    114  1.1  christos # EAP-SIM (enable CONFIG_PCSC, if EAP-SIM is used)
    115  1.1  christos #CONFIG_EAP_SIM=y
    116  1.1  christos 
    117  1.1  christos # EAP-PSK (experimental; this is _not_ needed for WPA-PSK)
    118  1.1  christos #CONFIG_EAP_PSK=y
    119  1.1  christos 
    120  1.2       roy # EAP-pwd (secure authentication using only a password)
    121  1.2       roy #CONFIG_EAP_PWD=y
    122  1.2       roy 
    123  1.1  christos # EAP-PAX
    124  1.1  christos #CONFIG_EAP_PAX=y
    125  1.1  christos 
    126  1.1  christos # LEAP
    127  1.1  christos CONFIG_EAP_LEAP=y
    128  1.1  christos 
    129  1.1  christos # EAP-AKA (enable CONFIG_PCSC, if EAP-AKA is used)
    130  1.1  christos #CONFIG_EAP_AKA=y
    131  1.1  christos 
    132  1.1  christos # EAP-AKA' (enable CONFIG_PCSC, if EAP-AKA' is used).
    133  1.1  christos # This requires CONFIG_EAP_AKA to be enabled, too.
    134  1.1  christos #CONFIG_EAP_AKA_PRIME=y
    135  1.1  christos 
    136  1.1  christos # Enable USIM simulator (Milenage) for EAP-AKA
    137  1.1  christos #CONFIG_USIM_SIMULATOR=y
    138  1.1  christos 
    139  1.1  christos # EAP-SAKE
    140  1.1  christos #CONFIG_EAP_SAKE=y
    141  1.1  christos 
    142  1.1  christos # EAP-GPSK
    143  1.1  christos #CONFIG_EAP_GPSK=y
    144  1.1  christos # Include support for optional SHA256 cipher suite in EAP-GPSK
    145  1.1  christos #CONFIG_EAP_GPSK_SHA256=y
    146  1.1  christos 
    147  1.1  christos # EAP-TNC and related Trusted Network Connect support (experimental)
    148  1.1  christos #CONFIG_EAP_TNC=y
    149  1.1  christos 
    150  1.1  christos # Wi-Fi Protected Setup (WPS)
    151  1.1  christos #CONFIG_WPS=y
    152  1.2       roy # Enable WPS external registrar functionality
    153  1.2       roy #CONFIG_WPS_ER=y
    154  1.2       roy # Disable credentials for an open network by default when acting as a WPS
    155  1.2       roy # registrar.
    156  1.2       roy #CONFIG_WPS_REG_DISABLE_OPEN=y
    157  1.2       roy # Enable WPS support with NFC config method
    158  1.2       roy #CONFIG_WPS_NFC=y
    159  1.1  christos 
    160  1.1  christos # EAP-IKEv2
    161  1.1  christos #CONFIG_EAP_IKEV2=y
    162  1.1  christos 
    163  1.2       roy # EAP-EKE
    164  1.2       roy #CONFIG_EAP_EKE=y
    165  1.2       roy 
    166  1.1  christos # PKCS#12 (PFX) support (used to read private key and certificate file from
    167  1.1  christos # a file that usually has extension .p12 or .pfx)
    168  1.1  christos CONFIG_PKCS12=y
    169  1.1  christos 
    170  1.1  christos # Smartcard support (i.e., private key on a smartcard), e.g., with openssl
    171  1.1  christos # engine.
    172  1.1  christos CONFIG_SMARTCARD=y
    173  1.1  christos 
    174  1.1  christos # PC/SC interface for smartcards (USIM, GSM SIM)
    175  1.1  christos # Enable this if EAP-SIM or EAP-AKA is included
    176  1.1  christos #CONFIG_PCSC=y
    177  1.1  christos 
    178  1.2       roy # Support HT overrides (disable HT/HT40, mask MCS rates, etc.)
    179  1.2       roy #CONFIG_HT_OVERRIDES=y
    180  1.2       roy 
    181  1.2       roy # Support VHT overrides (disable VHT, mask MCS rates, etc.)
    182  1.2       roy #CONFIG_VHT_OVERRIDES=y
    183  1.2       roy 
    184  1.1  christos # Development testing
    185  1.1  christos #CONFIG_EAPOL_TEST=y
    186  1.1  christos 
    187  1.1  christos # Select control interface backend for external programs, e.g, wpa_cli:
    188  1.1  christos # unix = UNIX domain sockets (default for Linux/*BSD)
    189  1.1  christos # udp = UDP sockets using localhost (127.0.0.1)
    190  1.2       roy # udp6 = UDP IPv6 sockets using localhost (::1)
    191  1.1  christos # named_pipe = Windows Named Pipe (default for Windows)
    192  1.2       roy # udp-remote = UDP sockets with remote access (only for tests systems/purpose)
    193  1.2       roy # udp6-remote = UDP IPv6 sockets with remote access (only for tests purpose)
    194  1.1  christos # y = use default (backwards compatibility)
    195  1.1  christos # If this option is commented out, control interface is not included in the
    196  1.1  christos # build.
    197  1.1  christos CONFIG_CTRL_IFACE=y
    198  1.1  christos 
    199  1.1  christos # Include support for GNU Readline and History Libraries in wpa_cli.
    200  1.1  christos # When building a wpa_cli binary for distribution, please note that these
    201  1.1  christos # libraries are licensed under GPL and as such, BSD license may not apply for
    202  1.1  christos # the resulting binary.
    203  1.1  christos #CONFIG_READLINE=y
    204  1.1  christos 
    205  1.2       roy # Include internal line edit mode in wpa_cli. This can be used as a replacement
    206  1.2       roy # for GNU Readline to provide limited command line editing and history support.
    207  1.2       roy #CONFIG_WPA_CLI_EDIT=y
    208  1.2       roy 
    209  1.1  christos # Remove debugging code that is printing out debug message to stdout.
    210  1.1  christos # This can be used to reduce the size of the wpa_supplicant considerably
    211  1.1  christos # if debugging code is not needed. The size reduction can be around 35%
    212  1.1  christos # (e.g., 90 kB).
    213  1.1  christos #CONFIG_NO_STDOUT_DEBUG=y
    214  1.1  christos 
    215  1.1  christos # Remove WPA support, e.g., for wired-only IEEE 802.1X supplicant, to save
    216  1.1  christos # 35-50 kB in code size.
    217  1.1  christos #CONFIG_NO_WPA=y
    218  1.1  christos 
    219  1.1  christos # Remove IEEE 802.11i/WPA-Personal ASCII passphrase support
    220  1.1  christos # This option can be used to reduce code size by removing support for
    221  1.1  christos # converting ASCII passphrases into PSK. If this functionality is removed, the
    222  1.1  christos # PSK can only be configured as the 64-octet hexstring (e.g., from
    223  1.1  christos # wpa_passphrase). This saves about 0.5 kB in code size.
    224  1.1  christos #CONFIG_NO_WPA_PASSPHRASE=y
    225  1.1  christos 
    226  1.1  christos # Disable scan result processing (ap_mode=1) to save code size by about 1 kB.
    227  1.1  christos # This can be used if ap_scan=1 mode is never enabled.
    228  1.1  christos #CONFIG_NO_SCAN_PROCESSING=y
    229  1.1  christos 
    230  1.1  christos # Select configuration backend:
    231  1.1  christos # file = text file (e.g., wpa_supplicant.conf; note: the configuration file
    232  1.1  christos #	path is given on command line, not here; this option is just used to
    233  1.1  christos #	select the backend that allows configuration files to be used)
    234  1.1  christos # winreg = Windows registry (see win_example.reg for an example)
    235  1.1  christos CONFIG_BACKEND=file
    236  1.1  christos 
    237  1.1  christos # Remove configuration write functionality (i.e., to allow the configuration
    238  1.1  christos # file to be updated based on runtime configuration changes). The runtime
    239  1.1  christos # configuration can still be changed, the changes are just not going to be
    240  1.1  christos # persistent over restarts. This option can be used to reduce code size by
    241  1.1  christos # about 3.5 kB.
    242  1.1  christos #CONFIG_NO_CONFIG_WRITE=y
    243  1.1  christos 
    244  1.1  christos # Remove support for configuration blobs to reduce code size by about 1.5 kB.
    245  1.1  christos #CONFIG_NO_CONFIG_BLOBS=y
    246  1.1  christos 
    247  1.1  christos # Select program entry point implementation:
    248  1.1  christos # main = UNIX/POSIX like main() function (default)
    249  1.1  christos # main_winsvc = Windows service (read parameters from registry)
    250  1.1  christos # main_none = Very basic example (development use only)
    251  1.1  christos #CONFIG_MAIN=main
    252  1.1  christos 
    253  1.2       roy # Select wrapper for operating system and C library specific functions
    254  1.1  christos # unix = UNIX/POSIX like systems (default)
    255  1.1  christos # win32 = Windows systems
    256  1.1  christos # none = Empty template
    257  1.1  christos #CONFIG_OS=unix
    258  1.1  christos 
    259  1.1  christos # Select event loop implementation
    260  1.1  christos # eloop = select() loop (default)
    261  1.1  christos # eloop_win = Windows events and WaitForMultipleObject() loop
    262  1.1  christos #CONFIG_ELOOP=eloop
    263  1.1  christos 
    264  1.2       roy # Should we use poll instead of select? Select is used by default.
    265  1.2       roy #CONFIG_ELOOP_POLL=y
    266  1.2       roy 
    267  1.2       roy # Should we use epoll instead of select? Select is used by default.
    268  1.2       roy #CONFIG_ELOOP_EPOLL=y
    269  1.2       roy 
    270  1.1  christos # Select layer 2 packet implementation
    271  1.1  christos # linux = Linux packet socket (default)
    272  1.1  christos # pcap = libpcap/libdnet/WinPcap
    273  1.1  christos # freebsd = FreeBSD libpcap
    274  1.1  christos # winpcap = WinPcap with receive thread
    275  1.1  christos # ndis = Windows NDISUIO (note: requires CONFIG_USE_NDISUIO=y)
    276  1.1  christos # none = Empty template
    277  1.1  christos #CONFIG_L2_PACKET=linux
    278  1.1  christos 
    279  1.1  christos # PeerKey handshake for Station to Station Link (IEEE 802.11e DLS)
    280  1.1  christos CONFIG_PEERKEY=y
    281  1.1  christos 
    282  1.2       roy # IEEE 802.11w (management frame protection), also known as PMF
    283  1.1  christos # Driver support is also needed for IEEE 802.11w.
    284  1.1  christos #CONFIG_IEEE80211W=y
    285  1.1  christos 
    286  1.1  christos # Select TLS implementation
    287  1.1  christos # openssl = OpenSSL (default)
    288  1.2       roy # gnutls = GnuTLS
    289  1.1  christos # internal = Internal TLSv1 implementation (experimental)
    290  1.1  christos # none = Empty template
    291  1.1  christos #CONFIG_TLS=openssl
    292  1.1  christos 
    293  1.2       roy # TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.1)
    294  1.2       roy # can be enabled to get a stronger construction of messages when block ciphers
    295  1.2       roy # are used. It should be noted that some existing TLS v1.0 -based
    296  1.2       roy # implementation may not be compatible with TLS v1.1 message (ClientHello is
    297  1.2       roy # sent prior to negotiating which version will be used)
    298  1.2       roy #CONFIG_TLSV11=y
    299  1.2       roy 
    300  1.2       roy # TLS-based EAP methods require at least TLS v1.0. Newer version of TLS (v1.2)
    301  1.2       roy # can be enabled to enable use of stronger crypto algorithms. It should be
    302  1.2       roy # noted that some existing TLS v1.0 -based implementation may not be compatible
    303  1.2       roy # with TLS v1.2 message (ClientHello is sent prior to negotiating which version
    304  1.2       roy # will be used)
    305  1.2       roy #CONFIG_TLSV12=y
    306  1.1  christos 
    307  1.1  christos # If CONFIG_TLS=internal is used, additional library and include paths are
    308  1.1  christos # needed for LibTomMath. Alternatively, an integrated, minimal version of
    309  1.1  christos # LibTomMath can be used. See beginning of libtommath.c for details on benefits
    310  1.1  christos # and drawbacks of this option.
    311  1.1  christos #CONFIG_INTERNAL_LIBTOMMATH=y
    312  1.1  christos #ifndef CONFIG_INTERNAL_LIBTOMMATH
    313  1.1  christos #LTM_PATH=/usr/src/libtommath-0.39
    314  1.1  christos #CFLAGS += -I$(LTM_PATH)
    315  1.1  christos #LIBS += -L$(LTM_PATH)
    316  1.1  christos #LIBS_p += -L$(LTM_PATH)
    317  1.1  christos #endif
    318  1.1  christos # At the cost of about 4 kB of additional binary size, the internal LibTomMath
    319  1.1  christos # can be configured to include faster routines for exptmod, sqr, and div to
    320  1.1  christos # speed up DH and RSA calculation considerably
    321  1.1  christos #CONFIG_INTERNAL_LIBTOMMATH_FAST=y
    322  1.1  christos 
    323  1.1  christos # Include NDIS event processing through WMI into wpa_supplicant/wpasvc.
    324  1.1  christos # This is only for Windows builds and requires WMI-related header files and
    325  1.1  christos # WbemUuid.Lib from Platform SDK even when building with MinGW.
    326  1.1  christos #CONFIG_NDIS_EVENTS_INTEGRATED=y
    327  1.1  christos #PLATFORMSDKLIB="/opt/Program Files/Microsoft Platform SDK/Lib"
    328  1.1  christos 
    329  1.1  christos # Add support for old DBus control interface
    330  1.1  christos # (fi.epitest.hostap.WPASupplicant)
    331  1.1  christos #CONFIG_CTRL_IFACE_DBUS=y
    332  1.1  christos 
    333  1.1  christos # Add support for new DBus control interface
    334  1.1  christos # (fi.w1.hostap.wpa_supplicant1)
    335  1.1  christos #CONFIG_CTRL_IFACE_DBUS_NEW=y
    336  1.1  christos 
    337  1.1  christos # Add introspection support for new DBus control interface
    338  1.1  christos #CONFIG_CTRL_IFACE_DBUS_INTRO=y
    339  1.1  christos 
    340  1.1  christos # Add support for loading EAP methods dynamically as shared libraries.
    341  1.1  christos # When this option is enabled, each EAP method can be either included
    342  1.1  christos # statically (CONFIG_EAP_<method>=y) or dynamically (CONFIG_EAP_<method>=dyn).
    343  1.1  christos # Dynamic EAP methods are build as shared objects (eap_*.so) and they need to
    344  1.1  christos # be loaded in the beginning of the wpa_supplicant configuration file
    345  1.1  christos # (see load_dynamic_eap parameter in the example file) before being used in
    346  1.1  christos # the network blocks.
    347  1.1  christos #
    348  1.1  christos # Note that some shared parts of EAP methods are included in the main program
    349  1.1  christos # and in order to be able to use dynamic EAP methods using these parts, the
    350  1.1  christos # main program must have been build with the EAP method enabled (=y or =dyn).
    351  1.1  christos # This means that EAP-TLS/PEAP/TTLS/FAST cannot be added as dynamic libraries
    352  1.1  christos # unless at least one of them was included in the main build to force inclusion
    353  1.1  christos # of the shared code. Similarly, at least one of EAP-SIM/AKA must be included
    354  1.1  christos # in the main build to be able to load these methods dynamically.
    355  1.1  christos #
    356  1.1  christos # Please also note that using dynamic libraries will increase the total binary
    357  1.1  christos # size. Thus, it may not be the best option for targets that have limited
    358  1.1  christos # amount of memory/flash.
    359  1.1  christos #CONFIG_DYNAMIC_EAP_METHODS=y
    360  1.1  christos 
    361  1.1  christos # IEEE Std 802.11r-2008 (Fast BSS Transition)
    362  1.1  christos #CONFIG_IEEE80211R=y
    363  1.1  christos 
    364  1.1  christos # Add support for writing debug log to a file (/tmp/wpa_supplicant-log-#.txt)
    365  1.1  christos #CONFIG_DEBUG_FILE=y
    366  1.1  christos 
    367  1.2       roy # Send debug messages to syslog instead of stdout
    368  1.2       roy #CONFIG_DEBUG_SYSLOG=y
    369  1.2       roy # Set syslog facility for debug messages
    370  1.2       roy #CONFIG_DEBUG_SYSLOG_FACILITY=LOG_DAEMON
    371  1.2       roy 
    372  1.2       roy # Add support for sending all debug messages (regardless of debug verbosity)
    373  1.2       roy # to the Linux kernel tracing facility. This helps debug the entire stack by
    374  1.2       roy # making it easy to record everything happening from the driver up into the
    375  1.2       roy # same file, e.g., using trace-cmd.
    376  1.2       roy #CONFIG_DEBUG_LINUX_TRACING=y
    377  1.2       roy 
    378  1.2       roy # Add support for writing debug log to Android logcat instead of standard
    379  1.2       roy # output
    380  1.2       roy #CONFIG_ANDROID_LOG=y
    381  1.2       roy 
    382  1.1  christos # Enable privilege separation (see README 'Privilege separation' for details)
    383  1.1  christos #CONFIG_PRIVSEP=y
    384  1.1  christos 
    385  1.1  christos # Enable mitigation against certain attacks against TKIP by delaying Michael
    386  1.1  christos # MIC error reports by a random amount of time between 0 and 60 seconds
    387  1.1  christos #CONFIG_DELAYED_MIC_ERROR_REPORT=y
    388  1.1  christos 
    389  1.1  christos # Enable tracing code for developer debugging
    390  1.1  christos # This tracks use of memory allocations and other registrations and reports
    391  1.1  christos # incorrect use with a backtrace of call (or allocation) location.
    392  1.1  christos #CONFIG_WPA_TRACE=y
    393  1.2       roy # For BSD, uncomment these.
    394  1.1  christos #LIBS += -lexecinfo
    395  1.1  christos #LIBS_p += -lexecinfo
    396  1.1  christos #LIBS_c += -lexecinfo
    397  1.1  christos 
    398  1.1  christos # Use libbfd to get more details for developer debugging
    399  1.1  christos # This enables use of libbfd to get more detailed symbols for the backtraces
    400  1.1  christos # generated by CONFIG_WPA_TRACE=y.
    401  1.1  christos #CONFIG_WPA_TRACE_BFD=y
    402  1.2       roy # For BSD, uncomment these.
    403  1.1  christos #LIBS += -lbfd -liberty -lz
    404  1.1  christos #LIBS_p += -lbfd -liberty -lz
    405  1.1  christos #LIBS_c += -lbfd -liberty -lz
    406  1.2       roy 
    407  1.2       roy # wpa_supplicant depends on strong random number generation being available
    408  1.2       roy # from the operating system. os_get_random() function is used to fetch random
    409  1.2       roy # data when needed, e.g., for key generation. On Linux and BSD systems, this
    410  1.2       roy # works by reading /dev/urandom. It should be noted that the OS entropy pool
    411  1.2       roy # needs to be properly initialized before wpa_supplicant is started. This is
    412  1.2       roy # important especially on embedded devices that do not have a hardware random
    413  1.2       roy # number generator and may by default start up with minimal entropy available
    414  1.2       roy # for random number generation.
    415  1.2       roy #
    416  1.2       roy # As a safety net, wpa_supplicant is by default trying to internally collect
    417  1.2       roy # additional entropy for generating random data to mix in with the data fetched
    418  1.2       roy # from the OS. This by itself is not considered to be very strong, but it may
    419  1.2       roy # help in cases where the system pool is not initialized properly. However, it
    420  1.2       roy # is very strongly recommended that the system pool is initialized with enough
    421  1.2       roy # entropy either by using hardware assisted random number generator or by
    422  1.2       roy # storing state over device reboots.
    423  1.2       roy #
    424  1.2       roy # wpa_supplicant can be configured to maintain its own entropy store over
    425  1.2       roy # restarts to enhance random number generation. This is not perfect, but it is
    426  1.2       roy # much more secure than using the same sequence of random numbers after every
    427  1.2       roy # reboot. This can be enabled with -e<entropy file> command line option. The
    428  1.2       roy # specified file needs to be readable and writable by wpa_supplicant.
    429  1.2       roy #
    430  1.2       roy # If the os_get_random() is known to provide strong random data (e.g., on
    431  1.2       roy # Linux/BSD, the board in question is known to have reliable source of random
    432  1.2       roy # data from /dev/urandom), the internal wpa_supplicant random pool can be
    433  1.2       roy # disabled. This will save some in binary size and CPU use. However, this
    434  1.2       roy # should only be considered for builds that are known to be used on devices
    435  1.2       roy # that meet the requirements described above.
    436  1.2       roy #CONFIG_NO_RANDOM_POOL=y
    437  1.2       roy 
    438  1.2       roy # IEEE 802.11n (High Throughput) support (mainly for AP mode)
    439  1.2       roy #CONFIG_IEEE80211N=y
    440  1.2       roy 
    441  1.2       roy # IEEE 802.11ac (Very High Throughput) support (mainly for AP mode)
    442  1.2       roy # (depends on CONFIG_IEEE80211N)
    443  1.2       roy #CONFIG_IEEE80211AC=y
    444  1.2       roy 
    445  1.2       roy # Wireless Network Management (IEEE Std 802.11v-2011)
    446  1.2       roy # Note: This is experimental and not complete implementation.
    447  1.2       roy #CONFIG_WNM=y
    448  1.2       roy 
    449  1.2       roy # Interworking (IEEE 802.11u)
    450  1.2       roy # This can be used to enable functionality to improve interworking with
    451  1.2       roy # external networks (GAS/ANQP to learn more about the networks and network
    452  1.2       roy # selection based on available credentials).
    453  1.2       roy #CONFIG_INTERWORKING=y
    454  1.2       roy 
    455  1.2       roy # Hotspot 2.0
    456  1.2       roy #CONFIG_HS20=y
    457  1.2       roy 
    458  1.2       roy # Enable interface matching in wpa_supplicant
    459  1.2       roy #CONFIG_MATCH_IFACE=y
    460  1.2       roy 
    461  1.2       roy # Disable roaming in wpa_supplicant
    462  1.2       roy #CONFIG_NO_ROAMING=y
    463  1.2       roy 
    464  1.2       roy # AP mode operations with wpa_supplicant
    465  1.2       roy # This can be used for controlling AP mode operations with wpa_supplicant. It
    466  1.2       roy # should be noted that this is mainly aimed at simple cases like
    467  1.2       roy # WPA2-Personal while more complex configurations like WPA2-Enterprise with an
    468  1.2       roy # external RADIUS server can be supported with hostapd.
    469  1.2       roy #CONFIG_AP=y
    470  1.2       roy 
    471  1.2       roy # P2P (Wi-Fi Direct)
    472  1.2       roy # This can be used to enable P2P support in wpa_supplicant. See README-P2P for
    473  1.2       roy # more information on P2P operations.
    474  1.2       roy #CONFIG_P2P=y
    475  1.2       roy 
    476  1.2       roy # Enable TDLS support
    477  1.2       roy #CONFIG_TDLS=y
    478  1.2       roy 
    479  1.2       roy # Wi-Fi Direct
    480  1.2       roy # This can be used to enable Wi-Fi Direct extensions for P2P using an external
    481  1.2       roy # program to control the additional information exchanges in the messages.
    482  1.2       roy #CONFIG_WIFI_DISPLAY=y
    483  1.2       roy 
    484  1.2       roy # Autoscan
    485  1.2       roy # This can be used to enable automatic scan support in wpa_supplicant.
    486  1.2       roy # See wpa_supplicant.conf for more information on autoscan usage.
    487  1.2       roy #
    488  1.2       roy # Enabling directly a module will enable autoscan support.
    489  1.2       roy # For exponential module:
    490  1.2       roy #CONFIG_AUTOSCAN_EXPONENTIAL=y
    491  1.2       roy # For periodic module:
    492  1.2       roy #CONFIG_AUTOSCAN_PERIODIC=y
    493  1.2       roy 
    494  1.2       roy # Password (and passphrase, etc.) backend for external storage
    495  1.2       roy # These optional mechanisms can be used to add support for storing passwords
    496  1.2       roy # and other secrets in external (to wpa_supplicant) location. This allows, for
    497  1.2       roy # example, operating system specific key storage to be used
    498  1.2       roy #
    499  1.2       roy # External password backend for testing purposes (developer use)
    500  1.2       roy #CONFIG_EXT_PASSWORD_TEST=y
    501