chroot搭建脚本

温柔1饿

                      #!/bin/bash
#this is chroot creat .sh
read -p "user chroot directory" dir
list="bash ls cat  grep pwd"
read -p "username:" username
useradd $username && mkdir -p /home/$username && echo "12345" | passwd --stdin $username &> /dev/null
echo "User $username is changed"
mkdir -p $dir/bin home lib lib64
cp -rp /home/$username/ $dir/home/
for i in $list
do
        BASE=`which $i`
        cp -v "$BASE" "${dir}${BASE}"
done
mkdir -p $dir/lib/x86_64-linux-gnu/
for i in $list
do
        base=`which $i`
        NIX="$(ldd $base | egrep -o '/lib.*\.[0-9]')"
        for a in $NIX
        do
                cp -v "$a" "${dir}${a}"
        done
done       
awk "/Match|ChrootDirectory/" /etc/ssh/sshd_config &>/dev/null
if [ $? -ne 0 ]
        then
                sed -i.bak 's/Match User.*/Match user $username/g' 's/Chroot.*/ChrootDirectory $dir/g' /etc/ssh/sshd_config
        echo "File to replace complete!"
        service ssh restart
#                echo "Match User " $username >> /etc/ssh/sshd_config
#                echo "ChrootDirectory" $dir >> /etc/ssh/sshd_config               
        else
                echo "Match User " $username >> /etc/ssh/sshd_config
                echo "ChrootDirectory" $dir >> /etc/ssh/sshd_config
        echo "File changes to complete!"
        service ssh restart
fi
                echo "Chroot completing "