#!/usr/bin/perl -0p
s|SSHD_OPTS=|SSHD_OPTS=

\x23 Disable GSSAPI if there's no keytab when sshd is started
if [ ! -e /etc/krb5.keytab ]; then
   SSHD_OPTS="\$SSHD_OPTS -o GSSAPIKeyExchange=no -o GSSAPIAuthentication=no"
fi|x or die;