#!/bin/bash

customize_file () {
 if [ -f "$1" ]; then
   cp $1 $1.$$
   sed "s/VIRTUAL_DOMAIN_NAME/$VIRTHOST/g" < $1 > $1.$$
   mv $1.$$ $1
 fi
}

#this function is called to create the virtual domain's root directory
#and make sure the files contain the right data.
#
setup_directory(){
  if [ "$SHELLACCESS" != "y" ]; then 
    cd "/var/www/docs/$VIRTHOST/"
    rm .* 2>/dev/null
  fi
  cp -r /etc/ftp_skel/* "/var/www/docs/$VIRTHOST"
  cp -r /etc/cgi_skel "/var/www/docs/$VIRTHOST/cgi-bin"
  mkdir "/var/www/docs/$VIRTHOST/web"
  cp -r /etc/www_skel/* "/var/www/docs/$VIRTHOST/web"
  for FILE in `find /var/www/docs/$VIRTHOST/web -name "*" -print`; do
    customize_file $FILE
  done
  chown -R ${DOMUSER}.www-data /var/www/docs/$VIRTHOST/web
  chmod a+rx /var/www/docs/$VIRTHOST/web
  chmod -R a+r /var/www/docs/$VIRTHOST/web
  chmod -R a+rx /var/www/docs/$VIRTHOST/cgi-bin
  chmod -R a+x /var/www/docs/$VIRTHOST/bin
  chmod -R a+r /var/www/docs/$VIRTHOST/etc
  chmod a+x /var/www/docs/$VIRTHOST/etc
  chmod a+x /var/www/docs/$VIRTHOST/lib
  chmod a+rx /var/www/docs/$VIRTHOST/lib/*

  for FILE in `find /var/www/docs/$VIRTHOST/cgi-bin -name "*" -print`; do
    customize_file $FILE
  done
  chown -R ${DOMUSER}.www-data /var/www/docs/$VIRTHOST/cgi-bin

  for FILE in `find /var/www/docs/$VIRTHOST/cgi-bin -name "*" -print`; do
    customize_file $FILE
  done
  chown -R ${DOMUSER}.www-data /var/www/docs/$VIRTHOST/cgi-bin

}

#THE BEGINING OF THE MATTER
clear
echo "  You will now be interactivly prompted for the information needed"
echo "to establish a domain web account."
echo
echo "You will be asked two questions, the hostname of the web server"
echo "and the user ID to associate with the hostname."
echo "Please specify the fully qualified host name, I.E. www.domain.com,"
echo "or: webserver.customerdomain.root"
echo
echo "NOTE: THE DNS Must be set up for your host/domain before running."
echo
echo
echo -n "Please enter hostname for virtual web server: "
read VIRTHOST
clear
echo
echo
echo "  The user ID can be any eight character name which begins with a"
echo "letter. This is NOT an email address."
echo
echo -n "Please enter user ID: "
read DOMUSER

#Initial Setup
CURENTHIGHDUMMY=`tail -1 /etc/init.d/virthosts| tr ':' ' ' | awk '{print($3)}'`
DUMMY=`echo "$CURENTHIGHDUMMY + 1" | bc`
DATE=`date`

echo $DUMMY $DATE

#verify the data
HOSTACTIVE=`host $VIRTHOST 2>&1 | grep "A record not found" | awk '{print($3)}'`

if [ "$HOSTACTIVE" == "record" ]; then
  HOSTACTIVE="Authoritative"
else
  HOSTACTIVE=`host $VIRTHOST 2>&1 | grep Authoritative |tr '(' ' '| awk '{print($5)}'`
fi

if [ "$HOSTACTIVE" == "Authoritative" ];then
  VIRTDOM=`echo $VIRTHOST | tr '.' ' ' | awk '{print($2"."$3)}'`
  whois $VIRTDOM
  if [ -f /root/doDNS ]; then
    echo -n "Is this the correct domain? [N/y]: "
    read YESNO
    if [ "$YESNO" == "y" ]; then
    /root/doDNS $VIRTDOM
    else
      echo "OK, I'm gonna leave so you can figure out what to do..."
      exit
    fi
  else
   echo "You don't have the DNS set up, and you don't have any automatic"
   echo " way for me to set it up... So I'm bailing out here."
   echo " If you create a script in the /root directory called doDNS"
   echo " that takes an argument of the domain to create, I would have"
   echo " gone ahead and ran it to try to create the domain."
   echo " If DNS is on this machine, that script should be very easy to write"
   echo " If DNS is on another machine, and you are familiar with expect, you"
   echo " can write an expect script that logs into your DNS server and"
   echo " does the configuration for you."
   exit
fi

IPADDR=`host $VIRTHOST| awk '{print($3)}'`
clear
echo
echo "OK, the host you specified has the IP address: $IPADDR"
echo
echo -n Is this the proper IP address [y/N]
read CHOICE

if [ "$CHOICE" != "y" ];then
  echo "OK, Exiting..."
  exit 1
fi


if [ "`grep "^$DOMUSER:" /etc/passwd`" == "" ]; then
  clear
  echo -n "The user ID you specified does not exist, so we will now create it."
  sleep 1
  echo -n .
  sleep 1
  echo .

  adduser --home /var/www/docs/$VIRTHOST $DOMUSER
  clear
  echo
  echo "User quota defaulting to 10MB with 15MB grace."
  echo -n "  Edit [N/y]: "
  read EDITQUOTA
  if [ "$EDITQUOTA" == "y" ]; then
    edquota $DOMUSER
  fi
  echo
  echo -n "Should user have shell access? [N/y]: "
  read SHELLACCESS
  if [ "$SHELLACCESS" != "y" ]; then
    chsh -s /bin/NoShell $DOMUSER
  fi
fi

sleep 3
setup_directory

ifconfig eth0:$DUMMY $VIRTHOST
echo "ifconfig eth0:$DUMMY $VIRTHOST" >>/etc/init.d/virthosts
 
cat << eof >> /etc/apache/httpd.conf

##### START $VIRTHOST -- $DOMUSER ######
##### CREATED: $DATE    $USER
<VirtualHost $VIRTHOST>
ServerAdmin $DOMUSER@$VIRTHOST
DocumentRoot  /var/www/docs/$VIRTHOST/web
ServerName $VIRTHOST
ErrorLog logs/virtdomains/${VIRTHOST}-error_log
TransferLog logs/virtdomains/${VIRTHOST}-transfer_log
ScriptAlias /cgi-bin/ /var/www/docs/$VIRTHOST/cgi-bin/
</VirtualHost>
##### END $VIRTHOST -- $DOMUSER #########
eof

killall -HUP apache

clear
echo
echo "The virtual web page has been set up."
echo "The following information should be written down and filed."
echo "The customer may wish to keep a copy of this information for thier records"
echo "================================================================================"
finger $DOMUSER
echo "--------------------------------------------------------------------------------"
quota $DOMUSER
echo "================================================================================"
host $VIRTHOST
VIRTDOM=`echo $VIRTHOST|tr '.' ' '| awk '{print($2"."$3)}'`
host -t mx $VIRTDOM

echo "================================================================================"