How to install wpa supplicant

Installing wpa_supplicant

AtRPMS contains packages for Fedora Core.

• Get the source
• Make sure your kernel includes the drivers for your wireless card. Here's a sample .config for madwifi users:

 #
 #.config
 #
 # Uncomment following two lines and fix the paths if you have installed openssl
 # in non-default location
 #CFLAGS += -I/usr/local/openssl/include
 #LIBS += -L/usr/local/openssl/lib
 # 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 Prism54 driver
 # (Note: Prism54 is not yet supported, i.e., this will not work as-is and is
 # for developers only)
 #CONFIG_DRIVER_PRISM54=y
 # Driver interface for ndiswrapper
 #CONFIG_DRIVER_NDISWRAPPER=y
 # Driver interface for Atmel driver
 #CONFIG_DRIVER_ATMEL=y
 # Driver interface for Broadcom 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
 #CONFIG_DRIVER_IPW=y
 CONFIG_DRIVER_MADWIFI=y
 # Change include directories to match with the local setup
 CFLAGS += -I../madwif
 CONFIG_DRIVER_WEXT=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
 # 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
 # Driver interface for development testing
 #CONFIG_DRIVER_TEST=y
 # Driver interface for wired Ethernet drivers
 #CONFIG_DRIVER_WIRED=y
 CONFIG_IEEE8021X_EAPOL=y
 # EAP-MD5 (automatically included if EAP-TTLS is enabled)
 CONFIG_EAP_MD5=y
 # EAP-MSCHAPv2 (automatically included if EAP-PEAP is enabled)
 CONFIG_EAP_MSCHAPV2=y
 # EAP-TLS
 CONFIG_EAP_TLS=y
 # EAL-PEAP
 CONFIG_EAP_PEAP=y
 # EAP-TTLS
 CONFIG_EAP_TTLS=y
 # EAP-GTC
 CONFIG_EAP_GTC=y 
 # EAP-OTP
 CONFIG_EAP_OTP=y
 # LEAP
 CONFIG_EAP_LEAP=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
 # Include control interface for external programs, e.g, wpa_cli
 CONFIG_CTRL_IFACE=y

• install wpa_supplicant by # make && make install

Configuration

Set wpa_supplicant.conf to the following:

You have to change the values according to the response of # wpa_passphrase <yourAPssid> <yourpassphrase>.

For WPA-PSK

  
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=0
eapol_version=1
# ap_scan=2 was the one for me you may try 0 or 1 indstead of 2
ap_scan=2
fast_reauth=1

network={
        ssid="my_network"
        proto=WPA
        key_mgmt=WPA-PSK
        pairwise=TKIP
        group=TKIP
        psk="secret_password"
}

For WPA2-Personal

  
ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=0
ap_scan=1

network={
        ssid="my_network"
        proto=RSN
        key_mgmt=WPA-PSK
        pairwise=CCMP TKIP
        group=CCMP TKIP
        psk="secret_password"
}

Starting wpa_supplicant

When using a recent ipw2200 driver

When using a recent ipw2200 driver (e.g., as found in recent mainline kernels):

# wpa_supplicant -d -c/etc/wpa_supplicant.conf -ieth1 -Dwext

If every thing works as expected, you can replace -d by -B for the deamon mode.

In the instructions below, replace the interface name ath0 with the appropriate one (usually eth1).

When using the madwifi driver

Make sure that the modules ath_pci, ath_hal, ath_rate_sample, wlan, wlan_tkip and wlan_xauth are loaded (using # lsmod).

Now you are able to start wpa_supplicant by

# wpa_supplicant -d -c/etc/wpa_supplicant.conf -iath0 -Dmadwifi

If every thing works as expected, you can replace -d by -B for the deamon mode.

Bringing up the network card manually

• Bring up the network interface with # ifconfig ath0 <yourip> up.

NOTE!

At the moment there is a problem within the madwifi driver or wpa_supplicant passing dhcp. That´s why I use a fixed IP.

There are two patches one for wpa_supllicant (http://hostap.epitest.fi/bugz/show_bug.cgi?id=63) and one for madwifi

(http://article.gmane.org/gmane.linux.drivers.madwifi.devel/1275). Each one is supposed to work.

• Change the routes and add the default gateway.

Bringing up the device at boottime (for Gentoo users)

• Make a symbolic link

# cd /etc/init.d/

# ln -s net.lo net.ath0

• Copy wpa_supplicant.conf to /etc/conf.d/wpa_supplicant.
• Edit /etc/conf.d/net

 #
 #net
 #
 modules=( "wpa_supplicant" )
 wpa_supplicant_ath0="-Dmadwifi"modules=( "wpa_supplicant" )
 wpa_timeout_ath0=60
 config_ath0=("<yourip> netmask 255.255.255.0")
 routes_ath0=("default gw <yourgateway>")

• Add net.ath0 to the default runlevel by executing

# rc-update add net.ath0 default

• Make sure all needed modules are in /etc/modules.autoload/2.x

External Sources

• wpa_supplicant source
• linux-wireless Wireless HOWTOs
• EAP-TLS setting up WLAN network with EAP-TLS

[l_sp_18]

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