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|
#!/bin/sh
set -e
[ "${IFACE%%[0-9]*}" = "wlan" ] || exit 0
[ "$IF_WIRELESS_SSID" ] || exit 1
[ "$IF_WIRELESS_HWMODE" ] || IF_WIRELESS_HWMODE=g
[ "$IF_WIRELESS_EXTENSION" ] || IF_WIRELESS_EXTENSION=0
[ -x /usr/sbin/rfkill ] && rfkill unblock wlan 2>/dev/null
wpa=0
wpa1=0
wpa2=0
pairwise=""
case "$IF_WIRELESS_SECURITY" in
none)
sec=1
;;
wep)
sec=2
;;
wpa)
sec=1
wpa1=1
pairwise=TKIP
;;
wpa2)
sec=1
wpa2=1
pairwise=CCMP
;;
wpa+wpa2)
sec=1
wpa=1
;;
*)
sec=1
;;
esac
[ "$IF_WIRELESS_PAIRWISE" ] || IF_WIRELESS_PAIRWISE=$pairwise
case "$IF_WIRELESS_MODE" in
ap)
logger -t hostap "Creating hostapd configuration"
cat /etc/hostapd.conf > /tmp/hostapd.conf
chmod 600 /tmp/hostapd.conf
echo "interface=${IFACE}" >> /tmp/hostapd.conf
echo "ssid=$IF_WIRELESS_SSID" >> /tmp/hostapd.conf
echo "channel=$IF_WIRELESS_CHANNEL" >> /tmp/hostapd.conf
echo "hw_mode=$IF_WIRELESS_HWMODE" >> /tmp/hostapd.conf
echo "auth_algs=$sec" >> /tmp/hostapd.conf
[ $wpa -eq 0 ] && [ $wpa1 -eq 0 ] && [ $wpa2 -eq 0 ] && {
logger -t hostap "using no security mechanism"
echo "wpa=0" >> /tmp/hostapd.conf
}
[ $wpa1 -eq 1 ] && {
logger -t hostap "using WPA for security"
echo "wpa=1" >> /tmp/hostapd.conf
echo "wpa_key_mgmt=WPA-PSK" >> /tmp/hostapd.conf
echo "wpa_pairwise=$IF_WIRELESS_PAIRWISE" >> /tmp/hostapd.conf
echo "wpa_passphrase=$IF_WIRELESS_PASSPHRASE" >> /tmp/hostapd.conf
}
[ $wpa2 -eq 1 ] && {
logger -t hostap "using WPA2 for security"
echo "wpa=2" >> /tmp/hostapd.conf
echo "wpa_key_mgmt=WPA-PSK" >> /tmp/hostapd.conf
echo "rsn_pairwise=$IF_WIRELESS_PAIRWISE" >> /tmp/hostapd.conf
echo "wpa_passphrase=$IF_WIRELESS_PASSPHRASE" >> /tmp/hostapd.conf
}
[ $wpa -eq 1 ] && {
logger -t hostap "using WPA and WPA2 for security"
echo "wpa=3" >> /tmp/hostapd.conf
echo "wpa_key_mgmt=WPA-PSK" >> /tmp/hostapd.conf
echo "wpa_pairwise=TKIP" >> /tmp/hostapd.conf
echo "rsn_pairwise=CCMP" >> /tmp/hostapd.conf
echo "wpa_passphrase=$IF_WIRELESS_PASSPHRASE" >> /tmp/hostapd.conf
}
[ -f /etc/hostapd.conf.post ] && \
cat /etc/hostapd.conf.post >> /tmp/hostapd.conf
;;
sta)
ip link set up dev ${IFACE}
[ $IF_WIRELESS_EXTENSION -eq 1 ] && {
[ -x /usr/sbin/iwconfig ] || {
logger -t wireless "No wireless-tools found"
exit 1
}
driver=wext
iwconfig ${IFACE} essid $IF_WIRELESS_SSID
} || {
[ -x /usr/sbin/iw ] || {
logger -t wireless "No iw utility found"
exit 1
}
driver=nl80211
[ $sec -eq 2 ] && {
iw dev ${IFACE} connect $IF_WIRELESS_SSID key d:0:$IF_WIRELESS_PASSPHRASE
} || {
iw dev ${IFACE} connect $IF_WIRELESS_SSID
}
}
[ $wpa2 -eq 1 ] && {
[ -x /usr/sbin/wpa_supplicant ] || {
logger -t wireless "No wpa_supplicant found"
exit 1
}
touch /tmp/wpa_supplicant.conf
chmod 600 /tmp/wpa_supplicant.conf
echo "network={" > /tmp/wpa_supplicant.conf
echo " ssid=\"$IF_WIRELESS_SSID\"" >> /tmp/wpa_supplicant.conf
echo " psk=\"$IF_WIRELESS_PASSPHRASE\"" >> /tmp/wpa_supplicant.conf
echo " priority=5" >> /tmp/wpa_supplicant.conf
echo "}" >> /tmp/wpa_supplicant.conf
wpa_supplicant -B -D${driver} -i${IFACE} -P/var/run/wpa_supplicant.pid -c/tmp/wpa_supplicant.conf
}
;;
*)
echo "Unknown operation mode $IF_WIRELESS_MODE given!"
exit 1
;;
esac
exit 0
|
