shrew autoinstall v2

#!/bin/bash
#Shrew-Installer
#к сожалению, shrew пока недоступен в репозитории для wheezy. но это же не проблема? последняя версия на данный момент на оф. #сайте shrew - 2.2.1 от 5 июня 2013. Ее и будем устанавливать.

if [ $USER != root ]; then
echo "Script must be run as root"
exit 0
fi

apt-get update
apt-get install gcc flex bison cmake openssl libssl-dev libedit-dev qt3-dev-tools qt4-dev-tools g++
#лучше бы конечно не удалять директорию со всем говном а проверить наличие файла по имени
rm -r /tmp/shrew/
mkdir /tmp/shrew/
wget https://www.shrew.net/download/ike/ike-2.2.1-release.tgz -P /tmp/shrew/

tar -xzvf /tmp/shrew/ike-2.2.1-release.tgz -C /tmp/shrew
cd /tmp/shrew/ike


cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DQTGUI=YES -DETCDIR=/etc -DNATT=YES
make
make install


cp /tmp/shrew/ike/source/iked/iked.conf.sample /etc/iked.conf

sed -i 's/#net.ipv4.conf.default.rp_filter=1/net.ipv4.conf.default.rp_filter=0/g' /etc/sysctl.conf
sed -i 's/#net.ipv4.conf.all.rp_filter=1/net.ipv4.conf.all.rp_filter=0/g' /etc/sysctl.conf
touch /etc/sysctl.d/10-network-security.conf
echo 'net.ipv4.conf.default.rp_filter=0' > /etc/sysctl.d/10-network-security.conf
echo 'net.ipv4.conf.all.rp_filter=0' >> /etc/sysctl.d/10-network-security.conf

ldconfig

touch /etc/init.d/shrewd.sh
echo "#!/bin/bash" > /etc/init.d/shrewd.sh
echo "iked" >> /etc/init.d/shrewd.sh
chmod +x /etc/init.d/shrewd.sh
update-rc.d shrewd.sh defaults 95

echo -n "Do you want to install xfreerdp? {y/n}: " ; read var
case $var in y)
apt-get install freerdp
;; n)
esac

rm -r /tmp/shrew

echo "Need reboot to apply the changes"
echo -n "Reboot now? {y/n}: " ; read var
case $var in y) reboot
;; n)
exit
esac