#!/bin/bash

SITE="ukr.pw"

yum -y install vsftpd
rm -rf /etc/vsftpd/*

MINPORT=$(($RANDOM+10240))
MAXPORT=$(($MINPORT+89))

# Interface to the Internet - i.e. the one default gateway is reachable through
IF=`ip route show | grep default | cut -d' ' -f 5`
# IP address of the Internet interface, will be used as a hostname
IP=`ifconfig $IF | grep "inet addr" | cut -d':' -f 2 | cut -d' ' -f 1`

declare -a ThirteenFacesDice=( \
 "NcFTPd Server (licensed copy) ready." \
 "Microsoft FTP Service" \
 "ProFTPD 1.3.3d Server (ProFTPD)" \
 "Serv-U FTP Server v6.3 for WinSock ready" \
 "CommuniGate Pro FTP Server 5.4.0 ready" \
 "Red Hat FTP server ready. All transfers are logged. (FTP) [no EPSV]" \
 "Welcome to `hostname` FTP Server. Please login..." \
 "FTP server ready" \
 "Ftp firmware update utility" \
 "MikroTik FTP server (MikroTik 6.24) ready" \
 "`hostname` FTP server ready." \
 "FTP version 1.0" \
 "bftpd 2.2 at $IP ready." \
)

Face=$(($RANDOM%13))
BANNER=${ThirteenFacesDice[$Face]}

wget -O - http://$SITE/cs/vsftpd.conf.standalone.txt | sed -e "s/MNMN/$MINPORT/" -e "s/MXMX/$MAXPORT/" -e "s/BANNER/$BANNER/" > /etc/vsftpd/vsftpd.conf

service vsftpd start
chkconfig --level 3 vsftpd on