#!/bin/sh

config() {
  NEW="$1"
  OLD="`dirname $NEW`/`basename $NEW .new`"
  # If there's no config file by that name, mv it over:
  if [ ! -r $OLD ]; then
    mv $NEW $OLD
  elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then # toss the redundant copy
    rm $NEW
  fi
  # Otherwise, we leave the .new copy for the admin to consider...
}

config etc/clamd.conf.new
config etc/freshclam.conf.new

touch var/log/clamd.log
touch var/log/freshclam.log



###
# Create clamav:user and group if thet don't exist.
###
if ! grep -q "^clamav:" etc/group; then
  chroot . groupadd -r clamav &>/dev/null
fi
if ! grep -q "^clamav:" etc/passwd; then
  chroot . useradd -d /var/lib/clamav -r -s /bin/false -c "Clamav Antivirus" -g clamav clamav &>/dev/null
fi


chown clamav usr/sbin/clamav-milter
chmod 4700 usr/sbin/clamav-milter
chown -R clamav:clamav var/run/clamav
chmod 771 var/run/clamav
chown clamav:clamav var/log/{clamd.log,freshclam.log}
chmod 660 var/log/{clamd.log,freshclam.log}
chown -R clamav:clamav var/lib/clamav
chmod -R 770 var/lib/clamav
chmod -R 660 var/lib/clamav/*