#!/bin/sh
# bachir soussi chiadmi
#
# http://www.debian.org/doc/manuals/securing-debian-howto/
# https://www.thefanclub.co.za/how-to/how-secure-ubuntu-1204-lts-server-part-1-basics
# https://www.linode.com/docs/websites/lamp/lamp-server-on-debian-7-wheezy/
# http://web-74.com/blog/reseaux/gerer-le-deploiement-facilement-avec-git/
#

echo '\033[35m
    ____       __    _                _____
   / __ \___  / /_  (_)___ _____     / ___/___  ______   _____  _____
  / / / / _ \/ __ \/ / __ `/ __ \    \__ \/ _ \/ ___/ | / / _ \/ ___/
 / /_/ /  __/ /_/ / / /_/ / / / /   ___/ /  __/ /   | |/ /  __/ /
/_____/\___/_.___/_/\__,_/_/ /_/   /____/\___/_/    |___/\___/_/

\033[0m'
echo "\033[35;1mThis script has been tested only on Linux Debian 7 \033[0m"
echo "Please run this script as root"

echo -n "Should we start? [Y|n] "
read yn
yn=${yn:-y}
if [ "$yn" != "y" ]; then
  echo "aborting script!"
  exit
fi

# get the current position
_cwd="$(pwd)"

echo '\033[35m
   __  ______  __________  ___    ____  ______
  / / / / __ \/ ____/ __ \/   |  / __ \/ ____/
 / / / / /_/ / / __/ /_/ / /| | / / / / __/
/ /_/ / ____/ /_/ / _, _/ ___ |/ /_/ / /___
\____/_/    \____/_/ |_/_/  |_/_____/_____/
\033[0m'
apt-get update
apt-get upgrade

echo '\033[35m
    __  ____
   /  |/  (_)_________
  / /|_/ / / ___/ ___/
 / /  / / (__  ) /__
/_/  /_/_/____/\___/

\033[0m'
apt-get install vim

echo '\033[35m
    __  _____    ____  ____  _______   __
   / / / /   |  / __ \/ __ \/ ____/ | / /
  / /_/ / /| | / /_/ / / / / __/ /  |/ /
 / __  / ___ |/ _, _/ /_/ / /___/ /|  /
/_/ /_/_/  |_/_/ |_/_____/_____/_/ |_/
\033[0m'
echo "\033[35;1mInstalling harden \033[0m"
sleep 3
apt-get install harden
echo "\033[92;1mHarden instaled\033[Om"

echo '\033[35m
    ______________  _______       _____    __    __
   / ____/  _/ __ \/ ____/ |     / /   |  / /   / /
  / /_   / // /_/ / __/  | | /| / / /| | / /   / /
 / __/ _/ // _, _/ /___  | |/ |/ / ___ |/ /___/ /___
/_/   /___/_/ |_/_____/  |__/|__/_/  |_/_____/_____/
\033[0m'
echo "\033[35;1mInstalling ufw and setup firewall (allowing only ssh and http) \033[0m"
sleep 3
apt-get install ufw
ufw allow ssh
ufw allow http
ufw enable
ufw status verbose
echo "\033[92;1mufw installed and firwall configured\033[Om"

echo '\033[35m
    ______      _ _____   __
   / ____/___ _(_) /__ \ / /_  ____ _____
  / /_  / __ `/ / /__/ // __ \/ __ `/ __ \
 / __/ / /_/ / / // __// /_/ / /_/ / / / /
/_/    \__,_/_/_//____/_.___/\__,_/_/ /_/
\033[0m'
echo "\033[35;1mInstalling fall2ban \033[0m"
apt-get install fail2ban
cat "$_cwd"/assets/fail2ban.jail.conf > /etc/fail2ban/jail.conf
echo "\033[92;1mfail2ban installed and configured\033[Om"

echo '\033[35m
    __                    __       __
   / /______  ____  _____/ /______/ /
  / //_/ __ \/ __ \/ ___/ //_/ __  /
 / ,< / / / / /_/ / /__/ ,< / /_/ /
/_/|_/_/ /_/\____/\___/_/|_|\__,_/
\033[0m'
echo "\033[35;1mInstalling knockd \033[0m"
sleep 3
apt-get install knockd
echo -n "define a sequence number for opening (as 7000,8000,9000) : "
read sq1
echo -n "define a sequence number for closing (as 9000,8000,7000) : "
read sq2
sed -i "s/7000,8000,9000/$sq1/g" /etc/knockd.conf
sed -i "s/9000,8000,7000/$sq2/g" /etc/knockd.conf
sed -i 's/START_KNOCKD=0/START_KNOCKD=1/g' /etc/default/knockd
echo "\033[92;1mknockd installed and configured\033[Om"
echo "\033[92;1mplease note these sequences for future knocking\033[Om"
echo "opening : $sq1 ; closing : $sq2"

echo '\033[35m
   __  _______ __________
  / / / / ___// ____/ __ \
 / / / /\__ \/ __/ / /_/ /
/ /_/ /___/ / /___/ _, _/
\____//____/_____/_/ |_|
\033[0m'
echo "\033[35;1mCreate new user (you will be asked a user name and a password) \033[0m"
sleep 3
echo -n "Enter user name: "
read user
# read -p "Continue? (Y/N): " confirm && [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] || exit 1
adduser "$user"
echo "adding $user to admin group and limiting su to the admin group"
groupadd admin
usermod -a -G admin "$user"
dpkg-statoverride --update --add root admin 4750 /bin/su
echo "\033[92;1muser $user configured\033[Om"


echo '\033[35m
    __  ______    ______
   /  |/  /   |  /  _/ /
  / /|_/ / /| |  / // /
 / /  / / ___ |_/ // /___
/_/  /_/_/  |_/___/_____/
\033[0m'
echo "\033[35;1mEnable mail sending for php \033[0m"
# http://www.sycha.com/lamp-setup-debian-linux-apache-mysql-php#anchor13
sleep 3
dpkg-reconfigure exim4-config


echo '\033[35m
   __________ __  __
  / ___/ ___// / / /
  \__ \\__ \/ /_/ /
 ___/ /__/ / __  /
/____/____/_/ /_/
\033[0m'
while [ "$securssh" != "y" ] && [ "$securssh" != "n" ]
do
echo -n "Securing ssh (disabling root login)? [y|n] "
read securssh
# securssh=${securssh:-y}
done

if [ "$securssh" = "y" ]; then
  sed -i 's/PermitRootLogin\ yes/PermitRootLogin no/g' /etc/ssh/sshd_config
  sed -i 's/PermitEmptyPasswords\ yes/PermitEmptyPasswords no/g' /etc/ssh/sshd_config
  sed -i 's/Protocol\ [0-9]/Protocol 2/g' /etc/ssh/sshd_config
  service ssh reload
  echo "\033[92;1mSSH secured\033[Om"
else
  echo 'root user can still conect through ssh'
fi

echo '\033[35m
  ______ _______ _____
 |  ____|__   __|  __ \
 | |__     | |  | |__) |
 |  __|    | |  |  ___/
 | |       | |  | |
 |_|       |_|  |_|
\033[0m'

echo -n "Should we install ftp server? [Y|n] "
read yn
yn=${yn:-y}
if [ "$yn" != "y" ]; then
  echo "installing proftpd"
  apt-get install proftpd
  while [ "$_server_name" = "" ]
  do
  read -p "enter a server name ? " _server_name
  if [ "$_server_name" != "" ]; then
    read -p "is server name $_server_name correcte [y|n] " validated
    if [ "$validated" = "y" ]; then
      break
    else
      _server_name=""
    fi
  fi
  done

  echo "Configuring proftpd"
  cp "$_cwd"/assets/proftpd.conf /etc/proftpd/conf.d/"$_server_name".conf
  sed -ir "s/example/$_server_name/g" /etc/proftpd/conf.d/"$_server_name".conf

  ufw allow ftp

  addgroup ftpuser
  echo "ftp installtion done"
  echo "to permit to a user to connect through ftp, add him to the ftpuser group"
  echo "FTP users are jailed on their home by default"

fi

# TODO : allow ssh/ftp connection only from given ips

echo "\033[35;1mInstalling AMP web server \033[0m"

echo '\033[35m
    ___                     __        ___
   /   |  ____  ____ ______/ /_  ___ |__ \
  / /| | / __ \/ __ `/ ___/ __ \/ _ \__/ /
 / ___ |/ /_/ / /_/ / /__/ / / /  __/ __/
/_/  |_/ .___/\__,_/\___/_/ /_/\___/____/
      /_/
\033[0m'
echo "\033[35;1mInstalling Apache2 \033[0m"
sleep 3
apt-get install apache2
a2enmod rewrite
cat "$_cwd"/assets/apache2.conf > /etc/apache2/apache2.conf
# Change logrotate for Apache2 log files to keep 10 days worth of logs
sed -i 's/\tweekly/\tdaily/' /etc/logrotate.d/apache2
sed -i 's/\trotate .*/\trotate 10/' /etc/logrotate.d/apache2
# Remove Apache server information from headers.
sed -i 's/ServerTokens .*/ServerTokens Prod/' /etc/apache2/conf.d/security
sed -i 's/ServerSignature .*/ServerSignature Off/' /etc/apache2/conf.d/security
service apache2 restart
echo "\033[92;1mApache2 installed\033[Om"

echo '\033[35m
    __  ___                 __
   /  |/  /_  ___________ _/ /
  / /|_/ / / / / ___/ __ `/ /
 / /  / / /_/ (__  ) /_/ / /
/_/  /_/\__, /____/\__, /_/
       /____/        /_/
\033[0m'
echo "\033[35;1minstalling Mysql \033[0m"
sleep 3
apt-get install mysql-server
mysql_secure_installation
echo "\033[92;1mmysql installed\033[Om"

echo '\033[35m
    ____  __  ______
   / __ \/ / / / __ \
  / /_/ / /_/ / /_/ /
 / ____/ __  / ____/
/_/   /_/ /_/_/
\033[0m'
echo "\033[35;1mInstalling PHP \033[0m"
sleep 3
apt-get install php5 php-pear php5-gd
echo "Configuring PHP"
cp /etc/php5/apache2/php.ini /etc/php5/apache2/php.ini.back
sed -i "s/max_execution_time\ =\ [0-9]\+/max_execution_time = 60/g" /etc/php5/apache2/php.ini
sed -i "s/max_input_time\ =\ [0-9]\+/max_input_time = 60/g" /etc/php5/apache2/php.ini
sed -i "s/memory_limit\ =\ [0-9]\+M/memory_limit = 512M/g" /etc/php5/apache2/php.ini
sed -i "s/;\?error_reporting\ =\ [^\n]\+/error_reporting = E_COMPILE_ERROR|E_RECOVERABLE_ERROR|E_ERROR|E_CORE_ERROR/g" /etc/php5/apache2/php.ini
sed -i "s/;\?display_errors\ =\ On/display_errors = Off/g" /etc/php5/apache2/php.ini
sed -i "s/;\?log_errors\ =\ Off/log_errors = On/g" /etc/php5/apache2/php.ini
# following command doesn't work, make teh change manualy
#sed -ri ":a;$!{N;ba};s/;\?\ \?error_log\ =\ [^\n]\+([^\n]*\n(\n|$))/error_log = \/var\/log\/php\/error.log\1/g" /etc/php5/apache2/php.ini
echo "register_globals = Off" >> /etc/php5/apache2/php.ini

mkdir /var/log/php
chown www-data /var/log/php

apt-get install php5-mysql
echo "\033[92;1mphp installed\033[Om"

echo '\033[35m
           __          __  ___      ___       __          _
    ____  / /_  ____  /  |/  /_  __/   | ____/ /___ ___  (_)___
   / __ \/ __ \/ __ \/ /|_/ / / / / /| |/ __  / __ `__ \/ / __ \
  / /_/ / / / / /_/ / /  / / /_/ / ___ / /_/ / / / / / / / / / /
 / .___/_/ /_/ .___/_/  /_/\__, /_/  |_\__,_/_/ /_/ /_/_/_/ /_/
/_/         /_/           /____/
\033[0m'
echo "\033[35;1mInstalling phpMyAdmin \033[0m"
apt-get install phpmyadmin
# echo "include /etc/phpmyadmin/apache.conf" >> /etc/apache2/apache2.conf
ln -s /etc/phpmyadmin/apache.conf /etc/apache2/conf.d/phpmyadmin.conf
echo "\033[35;1msecuring phpMyAdmin \033[0m"
sed -i "s/DirectoryIndex index.php/DirectoryIndex index.php\nAllowOverride all/"
cp "$_cwd"/assets/phpmyadmin_htaccess > /usr/share/phpmyadmin/.htaccess
echo -n "define a user name for phpmyadmin : "
read un
htpasswd -c /etc/phpmyadmin/.htpasswd $un
service apache2 restart
echo "\033[92;1mphpMyAdmin installed\033[Om"
echo "\033[92;1mYou can access it at yourip/phpmyadmin\033[Om"

echo '\033[35m
        __               __
 _   __/ /_  ____  _____/ /_
| | / / __ \/ __ \/ ___/ __/
| |/ / / / / /_/ (__  ) /_
|___/_/ /_/\____/____/\__/
\033[0m'
echo "\033[35;1mVHOST install \033[0m"
while [ "$vh" != "y" ] && [ "$vh" != "n" ]
do
echo -n "Should we install a vhost? [y|n] "
read vh
# vh=${vh:-y}
done
if [ "$vh" = "y" ]; then

  while [ "$_host_name" = "" ]
  do
  read -p "enter a hostname ? " _host_name
  if [ "$_host_name" != "" ]; then
    read -p "is hostname $_host_name correcte [y|n] " validated
    if [ "$validated" = "y" ]; then
      break
    else
      _host_name=""
    fi
  fi
  done

  cp "$_cwd"/assets/example.org.conf /etc/apache2/sites-available/"$_host_name".conf
  sed -ir "s/example\.org/$_host_name/g" /etc/apache2/sites-available/"$_host_name".conf

  mkdir -p /srv/www/"$_host_name"/public_html
  mkdir /srv/www/"$_host_name"/logs
  #set proper right to user will handle the app
  chown -R root:admin  /srv/www/"$_host_name"/
  chmod -R g+w /srv/www/"$_host_name"/
  chmod -R g+r /srv/www/"$_host_name"/

  # create a shortcut to the site
  mkdir /home/"$user"/www/
  chown "$user":admin /home/"$user"/www/
  ln -s /srv/www/"$_host_name" /home/"$user"/www/"$_host_name"

  #activate the vhost
  a2ensite "$_host_name".conf

  #restart apache
  service apache2 restart
  echo "\033[92;1mvhost $_host_name configured\033[Om"
else
  echo "Vhost installation aborted"
fi

echo '\033[35m
   __  ___          _ __      __  __  ___          _
  /  |/  /__  ___  (_) /_   _/_/ /  |/  /_ _____  (_)__
 / /|_/ / _ \/ _ \/ / __/ _/_/  / /|_/ / // / _ \/ / _ \
/_/  /_/\___/_//_/_/\__/ /_/   /_/  /_/\_,_/_//_/_/_//_/
\033[0m'
echo "\033[35;1mInstalling Munin \033[0m"
sleep 3
# https://www.howtoforge.com/tutorial/server-monitoring-with-munin-and-monit-on-debian/
apt-get install munin munin-node munin-plugins-extra
# Configure Munin
# enable plugins
ln -s /usr/share/munin/plugins/mysql_ /etc/munin/plugins/mysql_
ln -s /usr/share/munin/plugins/mysql_bytes /etc/munin/plugins/mysql_bytes
ln -s /usr/share/munin/plugins/mysql_innodb /etc/munin/plugins/mysql_innodb
ln -s /usr/share/munin/plugins/mysql_isam_space_ /etc/munin/plugins/mysql_isam_space_
ln -s /usr/share/munin/plugins/mysql_queries /etc/munin/plugins/mysql_queries
ln -s /usr/share/munin/plugins/mysql_slowqueries /etc/munin/plugins/mysql_slowqueries
ln -s /usr/share/munin/plugins/mysql_threads /etc/munin/plugins/mysql_threads

ln -s /usr/share/munin/plugins/apache_accesses /etc/munin/plugins/
ln -s /usr/share/munin/plugins/apache_processes /etc/munin/plugins/
ln -s /usr/share/munin/plugins/apache_volume /etc/munin/plugins/

# ln -s /usr/share/munin/plugins/fail2ban /etc/munin/plugins/

# dbdir, htmldir, logdir, rundir, and tmpldir
sed -i 's/^#dbdir/dbdir/' /etc/munin/munin.conf
sed -i 's/^#htmldir/htmldir/' /etc/munin/munin.conf
sed -i 's/^#logdir/logdir/' /etc/munin/munin.conf
sed -i 's/^#rundir/rundir/' /etc/munin/munin.conf
sed -i 's/^#tmpldir/tmpldir/' /etc/munin/munin.conf

sed -i "s/^\[localhost.localdomain\]/[${HOSTNAME}]/" /etc/munin/munin.conf

# ln -s /etc/munin/apache24.conf /etc/apache2/conf-enabled/munin.conf
sed -i 's/Require local/Require all granted\nOptions FollowSymLinks SymLinksIfOwnerMatch/g' /etc/munin/apache24.conf
htpasswd -c /etc/munin/munin-htpasswd admin
sed -i 's/Require all granted/AuthUserFile \/etc\/munin\/munin-htpasswd\nAuthName "Munin"\nAuthType Basic\nRequire valid-user/g' /etc/munin/apache24.conf


service apache2 restart
service munin-node restart
echo "\033[92;1mMunin installed\033[Om"

echo "\033[35;1mInstalling Monit \033[0m"
sleep 3
# https://www.howtoforge.com/tutorial/server-monitoring-with-munin-and-monit-on-debian/2/
apt-get install monit
# TODO setup monit rc
cat "$_cwd"/assets/monitrc > /etc/monit/monitrc

# TODO setup webaccess
passok=0
while [ "$passok" = "0" ]
do
  echo -n "Write web access password to monit"
  read passwda
  echo -n "ReWrite web access password to monit"
  read passwdb
  if [ "$passwda" = "$passwdb" ]; then
    sed -i 's/PASSWD_TO_REPLACE/$passwda/g' /etc/monit/monitrc
    passok=1
  else
    echo "pass words don't match, please try again"
  fi
done

# TODO setup mail settings
sed -i "s/server1\.example\.com/$HOSTNAME/g" /etc/monit/monitrc

mkdir /var/www/html/monit
echo "hello" > /var/www/html/monit/token

service monit start

echo "\033[92;1mMonit installed\033[Om"


echo '\033[35m
    ___                __        __
   /   |_      _______/ /_____ _/ /_
  / /| | | /| / / ___/ __/ __ `/ __/
 / ___ | |/ |/ (__  ) /_/ /_/ / /_
/_/  |_|__/|__/____/\__/\__,_/\__/
\033[0m'
echo "\033[35;1mInstalling Awstat \033[0m"
sleep 3
apt-get install awstats
# Configure AWStats
temp=`grep -i sitedomain /etc/awstats/awstats.conf.local | wc -l`
if [ $temp -lt 1 ]; then
    echo SiteDomain="$_host_name" >> /etc/awstats/awstats.conf.local
fi
# Disable Awstats from executing every 10 minutes. Put a hash in front of any line.
sed -i 's/^[^#]/#&/' /etc/cron.d/awstats
echo "\033[92;1mAwstat installed\033[Om"


# echo '\033[35m
#   ______________  _______
#  /_  __/ ____/  |/  / __ \
#   / / / __/ / /|_/ / /_/ /
#  / / / /___/ /  / / ____/
# /_/ /_____/_/  /_/_/
# \033[0m'
# function check_tmp_secured {

#   temp1=`grep -w "/var/tempFS /tmp ext3 loop,nosuid,noexec,rw 0 0" /etc/fstab | wc -l`
#   temp2=`grep -w "tmpfs /tmp tmpfs rw,noexec,nosuid 0 0" /etc/fstab | wc -l`

#   if [ $temp1  -gt 0 ] || [ $temp2 -gt 0 ]; then
#       return 1
#   else
#       return 0
#   fi
# } # End function check_tmp_secured

# function secure_tmp_tmpfs {

#   cp /etc/fstab /etc/fstab.bak
#   # Backup /tmp
#   cp -Rpf /tmp /tmpbackup

#   rm -rf /tmp
#   mkdir /tmp

#   mount -t tmpfs -o rw,noexec,nosuid tmpfs /tmp
#   chmod 1777 /tmp
#   echo "tmpfs /tmp tmpfs rw,noexec,nosuid 0 0" >> /etc/fstab

#   # Restore /tmp
#   cp -Rpf /tmpbackup/* /tmp/ >/dev/null 2>&1

#   #Remove old tmp dir
#   rm -rf /tmpbackup

#   # Backup /var/tmp and link it to /tmp
#   mv /var/tmp /var/tmpbackup
#   ln -s /tmp /var/tmp

#   # Copy the old data back
#   cp -Rpf /var/tmpold/* /tmp/ >/dev/null 2>&1
#   # Remove old tmp dir
#   rm -rf /var/tmpbackup

#   echo -e "\033[35;1m /tmp and /var/tmp secured using tmpfs. \033[0m"
# } # End function secure_tmp_tmpfs

# check_tmp_secured
# if [ $? = 0  ]; then
#     secure_tmp_tmpfs
# else
#     echo -e "\033[35;1mFunction canceled. /tmp already secured. \033[0m"
# fi

echo '\033[35m
    ____        __     _______ __
   / __ \____  / /_   / ____(_) /__  _____
  / / / / __ \/ __/  / /_  / / / _ \/ ___/
 / /_/ / /_/ / /_   / __/ / / /  __(__  )
/_____/\____/\__/  /_/   /_/_/\___/____/
\033[0m'
#installing better prompt and some goodies for root
echo "\033[35;1mInstalling shell prompt for root \033[0m"
sleep 3
echo "cloning github.com/bachy/dotfiles-server"
git clone git://github.com/bachy/dotfiles-server.git ~/.dotfiles-server && cd ~/.dotfiles-server && ./install.sh && cd ~
source ~/.bashrc
echo "\033[92;1mDot files installed for root, you should installed them manually for $USER\033[0m"

# TODO add warning message on ssh connection if system needs updates

# TODO install and configure tmux


echo '\033[35m
    ___         __           __  __          __      __
   /   | __  __/ /_____     / / / /___  ____/ /___ _/ /____
  / /| |/ / / / __/ __ \   / / / / __ \/ __  / __ `/ __/ _ \
 / ___ / /_/ / /_/ /_/ /  / /_/ / /_/ / /_/ / /_/ / /_/  __/
/_/  |_\__,_/\__/\____/   \____/ .___/\__,_/\__,_/\__/\___/
                              /_/
\033[0m'
# https://www.howtoforge.com/how-to-configure-automatic-updates-on-debian-wheezy
# https://www.bisolweb.com/tutoriels/serveur-vps-ovh-partie-5-installation-apticron/

echo "\033[35;1mInstalling apticron \033[0m"
apt-get install apticron

sleep 3
echo -n "Enter an email: "
read email

sed -ir "s/EMAIL=\"root\"/EMAIL=\"$email\"/g" /etc/apticron/apticron.conf
# sed -ir "s/# DIFF_ONLY=\"1\"/DIFF_ONLY=\"1\"/g" /etc/apticron/apticron.conf
sed -ir "s/# NOTIFY_NEW=\"0\"/NOTIFY_NEW=\"0\"/g" /etc/apticron/apticron.conf




echo "\033[92;1mApticron installed and configured\033[0m"



echo '\033[35m
                  __
  ___  ____  ____/ /
 / _ \/ __ \/ __  /
/  __/ / / / /_/ /
\___/_/ /_/\__,_/
\033[0m'
echo "\033[35;1m* * script done * * \033[0m"