#!/bin/bash

if [ `uname -m` == "x86_64" ];then

machine=x86_64

else

machine=i686

fi

ifrpm=$(cat /proc/version | grep -E "redhat|centos")

ifdpkg=$(cat /proc/version | grep -Ei "ubuntu|debian")

ifcentos=$(cat /proc/version | grep centos)

if [ "$ifrpm" != "" ];then

    yum -y install vsftpd

    \cp -f ./config-ftp/rpm_ftp/* /etc/vsftpd/

else

    apt-get -y install vsftpd

    if cat /etc/shells | grep /sbin/nologin ;then

        echo ""

    else

        echo /sbin/nologin >> /etc/shells

    fi

    \cp -fR ./config-ftp/apt_ftp/* /etc/

fi

if [ ! -f '/etc/vsftpd' ];then

     mkdir -p /etc/vsftpd

fi

if [ "$ifcentos" != "" ] && [ "$machine" == "i686" ];then

    rm -rf /etc/vsftpd/vsftpd.conf

    \cp -f ./config-ftp/vsftpdcentosi686.conf /etc/vsftpd/vsftpd.conf

fi

if [ ! -f '/storage/vsftpd' ];then

     mkdir -p /storage/vsftpd

fi

result="`grep '^vsftpd' /etc/passwd | wc -l`"

if [ "$result" == "" ];then

    groupadd vsftpd

    useradd -g vsftpd -s /sbin/nologin vsftpd

fi

/etc/init.d/vsftpd start

chown -R vsftpd:vsftpd /storage/vsftpd

#bug kill: '500 OOPS: vsftpd: refusing to run with writable root inside chroot()'

chmod a-w /storage/vsftpd

MATRIX="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"

LENGTH=""

while [ "${n:=1}" -le "$LENGTH" ]

do

    PASS="$PASS${MATRIX:$(($RANDOM%${#MATRIX})):1}"

    let n+=

done

if [ "$ifrpm" != "" ];then

echo $PASS | passwd --stdin vsftpd

else

echo "vsftpd:$PASS" | chpasswd

fi

sed -i s/'ftp_password'/${PASS}/g account.log