#!/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.

SYSTEMTESTTOP=..
. $SYSTEMTESTTOP/conf.sh

status=0
n=0

DIGOPTS="@10.53.0.1 -p ${PORT}"
RNDCCMD="$RNDC -c $SYSTEMTESTTOP/common/rndc.conf -p ${CONTROLPORT} -s"

newtest() {
  n=$(expr $n + 1)
  echo_i "${1} (${n})"
  ret=0
}

test_add() {
  host="$1"
  type="$2"
  ip="$3"

  cat <<EOF >ns1/update.txt
server 10.53.0.1 ${PORT}
ttl 86400
update add $host $type $ip
send
EOF

  newtest "adding $host $type $ip"
  $NSUPDATE ns1/update.txt >/dev/null 2>&1 || {
    [ "$should_fail" ] \
      || echo_i "update failed for $host $type $ip"
    return 1
  }

  out=$($DIG $DIGOPTS +noall +answer -t $type -q $host)
  echo $out >added.a.out.$n
  lines=$(echo "$out" | grep "$ip" | wc -l)
  [ $lines -eq 1 ] || {
    [ "$should_fail" ] \
      || echo_i "dig output incorrect for $host $type $cmd: $out"
    return 1
  }

  for i in 1 2 3 4 5 6 7 8 9 10; do
    out=$($DIG $DIGOPTS +noall +answer -x $ip)
    echo $out >added.ptr.out.$n
    lines=$(echo "$out" | grep "$host" | wc -l)
    [ $lines -eq 1 ] && break
    $PERL -e 'select(undef, undef, undef, 0.1);'
  done
  [ $lines -eq 1 ] || {
    [ "$should_fail" ] \
      || echo_i "dig reverse output incorrect for $host $type $cmd: $out"
    return 1
  }

  return 0
}

test_del() {
  host="$1"
  type="$2"

  ip=$($DIG $DIGOPTS +short $host $type)

  cat <<EOF >ns1/update.txt
server 10.53.0.1 ${PORT}
update del $host $type
send
EOF

  newtest "deleting $host $type (was $ip)"
  $NSUPDATE ns1/update.txt >/dev/null 2>&1 || {
    [ "$should_fail" ] \
      || echo_i "update failed deleting $host $type"
    return 1
  }

  out=$($DIG $DIGOPTS +noall +answer -t $type -q $host)
  echo $out >deleted.a.out.$n
  lines=$(echo "$out" | grep "$ip" | wc -l)
  [ $lines -eq 0 ] || {
    [ "$should_fail" ] \
      || echo_i "dig output incorrect for $host $type $cmd: $out"
    return 1
  }

  for i in 1 2 3 4 5 6 7 8 9 10; do
    out=$($DIG $DIGOPTS +noall +answer -x $ip)
    echo $out >deleted.ptr.out.$n
    lines=$(echo "$out" | grep "$host" | wc -l)
    [ $lines -eq 0 ] && break
    $PERL -e 'select(undef, undef, undef, 0.1);'
  done
  [ $lines -eq 0 ] || {
    [ "$should_fail" ] \
      || echo_i "dig reverse output incorrect for $host $type $cmd: $out"
    return 1
  }

  return 0
}

test_add test1.ipv4.example.nil. A "10.53.0.10" || ret=1
status=$(expr $status + $ret)

test_add test2.ipv4.example.nil. A "10.53.0.11" || ret=1
status=$(expr $status + $ret)

test_add test3.ipv4.example.nil. A "10.53.0.12" || ret=1
status=$(expr $status + $ret)

test_add test4.ipv6.example.nil. AAAA "2001:db8::1" || ret=1
status=$(expr $status + $ret)

test_del test1.ipv4.example.nil. A || ret=1
status=$(expr $status + $ret)

test_del test2.ipv4.example.nil. A || ret=1
status=$(expr $status + $ret)

test_del test3.ipv4.example.nil. A || ret=1
status=$(expr $status + $ret)

test_del test4.ipv6.example.nil. AAAA || ret=1
status=$(expr $status + $ret)

newtest "checking parameter logging"
grep "loading params for dyndb 'sample' from .*named.conf:" ns1/named.run >/dev/null || ret=1
grep "loading params for dyndb 'sample2' from .*named.conf:" ns1/named.run >/dev/null || ret=1
[ $ret -eq 1 ] && echo_i "failed"
status=$(expr $status + $ret)

echo_i "checking dyndb still works after reload"
rndc_reload ns1 10.53.0.1

test_add test5.ipv4.example.nil. A "10.53.0.10" || ret=1
status=$(expr $status + $ret)

test_add test6.ipv6.example.nil. AAAA "2001:db8::1" || ret=1
status=$(expr $status + $ret)

test_del test5.ipv4.example.nil. A || ret=1
status=$(expr $status + $ret)

test_del test6.ipv6.example.nil. AAAA || ret=1
status=$(expr $status + $ret)

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