PREUN

/bin/sh

if [ "$1" -eq 0 ]; then
  rm -f /var/named/chroot/dev/{random,zero,null}
  rm -f /var/named/chroot/etc/localtime
  if grep -q '^ROOTDIR=' /etc/sysconfig/named; then
    # NOTE: Do NOT call `service named try-restart` because chroot
    # files will remain mounted.
    START=no
    [ -e /var/lock/subsys/named ] && START=yes
    /sbin/service named stop > /dev/null 2>&1 || :;
    sed -i -e '/^ROOTDIR=.*/d' /etc/sysconfig/named
    if [ "x$START" = xyes ]; then
      /sbin/service named start > /dev/null 2>&1 || :;
    fi
  fi
fi
:;

POSTIN

/bin/sh

if [ "$1" -gt 0 ]; then
  [ -e /var/named/chroot/dev/random ] || \
    /bin/mknod /var/named/chroot/dev/random c 1 8
  [ -e /var/named/chroot/dev/zero ] || \
    /bin/mknod /var/named/chroot/dev/zero c 1 5
  [ -e /var/named/chroot/dev/null ] || \
    /bin/mknod /var/named/chroot/dev/null c 1 3
  rm -f /var/named/chroot/etc/localtime
  cp /etc/localtime /var/named/chroot/etc/localtime
  if ! grep -q '^ROOTDIR=' /etc/sysconfig/named; then
    echo 'ROOTDIR=/var/named/chroot' >> /etc/sysconfig/named
    /sbin/service named try-restart > /dev/null 2>&1 || :;
  fi
fi;
:;

POSTTRANS

/bin/sh

if [ -x /usr/sbin/selinuxenabled ] && /usr/sbin/selinuxenabled; then
  [ -x /sbin/restorecon ] && /sbin/restorecon /var/named/chroot/dev/* > /dev/null 2>&1;
fi;
:;