How to install wpa supplicant

2009-03-07T20:32:07Z

UnixDude31: /* External Sources */

=== Installing wpa_supplicant ===
AtRPMS contains packages for [[:Category:Fedora|Fedora Core]].

*Get the [http://hostap.epitest.fi/wpa_supplicant/ 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 {{cmdroot|make && make install}}

=== Configuration ===

Set {{path|wpa_supplicant.conf}} to the following:

You have to change the values according to the response of {{cmdroot|wpa_passphrase <yourAPssid> <yourpassphrase>}}.

==== For WPA-PSK ====
<pre>
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"
}
</pre>

==== For WPA2-Personal ====
<pre>
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"
}
</pre>

=== Starting wpa_supplicant ===
====When using a recent [[ipw2200]] driver ====
When using a recent [[ipw2200]] driver (e.g., as found in recent mainline kernels):
:{{cmdroot|wpa_supplicant -d -c/etc/wpa_supplicant.conf -ieth1 -Dwext}}
If every thing works as expected, you can replace <tt>-d</tt> by <tt>-B</tt> for the deamon mode.

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

====When using the [[madwifi]] driver ====
Make sure that the modules <tt>ath_pci</tt>, <tt>ath_hal</tt>, <tt>ath_rate_sample</tt>, <tt>wlan</tt>, <tt>wlan_tkip</tt> and <tt>wlan_xauth</tt> are loaded (using {{cmdroot|lsmod}}).

Now you are able to start wpa_supplicant by
:{{cmdroot|wpa_supplicant -d -c /etc/wpa_supplicant.conf -iath0 -Dmadwifi}}
If every thing works as expected, you can replace <tt>-d</tt> by <tt>-B</tt> for the deamon mode.

====Bringing up the network card manually====
*Bring up the network interface with {{cmdroot|ifconfig ath0 <yourip> up}}.
{{NOTE|1=At the moment there is a problem within the madwifi driver or wpa_supplicant passing dhcp. ThatÂ´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
:{{cmdroot|cd /etc/init.d/}}
:{{cmdroot|ln -s net.lo net.ath0}}
*Copy {{path|wpa_supplicant.conf}} to {{path|/etc/conf.d/wpa_supplicant}}.
*Edit {{path|/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
:{{cmdroot|rc-update add net.ath0 default}}
*Make sure all needed modules are in {{path|/etc/modules.autoload/2.x}}

=== External Sources ===
*[http://hostap.epitest.fi/wpa_supplicant/ wpa_supplicant] source
*[http://www.linux-wireless.org/ linux-wireless] Wireless HOWTOs
*[http://www.examplenow.com/wpa_supplicant wpa_supplicant examples] wpa_supplicant examples
*[http://rinta-aho.org/docs/wlan/wlan.html EAP-TLS] setting up WLAN network with EAP-TLS
*[http://www.codealias.info/technotes/wpa2_eap-tls_authentication_linux_client_setup setting up EAP-TLS in wpa_supplicant ]
*[http://www.codealias.info/technotes/wireless_security_wpa/wap2_with_eap-peap_using_wpa_supplicant_and_client_ssl_certificates_linux_setup setting up EAP-PEAP in wpa_supplicant]
*[http://www.codealias.info/technotes/wireless_security_wpa/wap2_with_eap-ttls_using_wpa_supplicant_and_client_ssl_certificates_linux_setup setting up EAP-TTLS in wpa_supplicant]

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How to install wpa supplicant