{
if (-e '/etc/pki/tls/certs/cacert.pem'){
  $OUT .= "# CA Certificate used for client authentication\n";
  $OUT .= "SSLCACertificateFile /etc/pki/tls/certs/cacert.pem\n";
}
else{
  $OUT .= '';
}
if (-e '/etc/pki/tls/crl/cacrl.pem'){
  $OUT .= "# CA CRL to check revoked client certificates\n";
  $OUT .= "SSLCARevocationFile /etc/pki/tls/crl/cacrl.pem\n";
}
else{
  $OUT .= '';
}
}
