#!/bin/sh

# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0.  If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.

set -e

. ../conf.sh

status=0

rm -f dig.out.*

DIGOPTS="+norec +tcp +noadd +nosea +nostat +noquest +nocmd -p ${PORT}"

# Check the example. domain

$DIG $DIGOPTS example. @10.53.0.1 soa >dig.out.ns1.test || ret=1
echo_i "checking that first zone transfer worked"
ret=0
try=0
while test $try -lt 120; do
  $DIG $DIGOPTS example. @10.53.0.2 soa >dig.out.ns2.test || ret=1
  if grep SERVFAIL dig.out.ns2.test >/dev/null; then
    try=$((try + 1))
    sleep 1
  else
    digcomp dig.out.ns1.test dig.out.ns2.test || ret=1
    break
  fi
done
echo_i "try $try"
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

echo_i "checking that second zone transfer worked"
ret=0
try=0
while test $try -lt 120; do
  $DIG $DIGOPTS example. @10.53.0.3 soa >dig.out.ns3.test || ret=1
  if grep SERVFAIL dig.out.ns3.test >/dev/null; then
    try=$((try + 1))
    sleep 1
  else
    digcomp dig.out.ns1.test dig.out.ns3.test || ret=1
    break
  fi
done
echo_i "try $try"
if [ $ret != 0 ]; then echo_i "failed"; fi
status=$((status + ret))

echo_i "exit status: $status"
[ $status -eq 0 ] || exit 1