tests.sh 20.4 KB
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# Copyright (C) 2015, 2016  Internet Systems Consortium, Inc. ("ISC")
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#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.

SYSTEMTESTTOP=..
. $SYSTEMTESTTOP/conf.sh

status=0
n=0
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# using dig insecure mode as not testing dnssec here
DIGOPTS="-i -p 5300"

if [ -x ${DIG} ] ; then
  n=`expr $n + 1`
  echo "I:checking dig short form works ($n)"
  ret=0
  $DIG $DIGOPTS @10.53.0.3 +short a a.example > dig.out.test$n || ret=1
  if test `wc -l < dig.out.test$n` != 1 ; then ret=1 ; fi
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig split width works ($n)"
  ret=0
  $DIG $DIGOPTS @10.53.0.3 +split=4 -t sshfp foo.example > dig.out.test$n || ret=1
  grep " 9ABC DEF6 7890 " < dig.out.test$n > /dev/null || ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +unknownformat works ($n)"
  ret=0
  $DIG $DIGOPTS @10.53.0.3 +unknownformat a a.example > dig.out.test$n || ret=1
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  grep "CLASS1[ 	][ 	]*TYPE1[ 	][ 	]*\\\\# 4 0A000001" < dig.out.test$n > /dev/null || ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig with reverse lookup works ($n)"
  ret=0
  $DIG $DIGOPTS @10.53.0.3 -x 127.0.0.1 > dig.out.test$n 2>&1 || ret=1
  # doesn't matter if has answer
  grep -i "127\.in-addr\.arpa\." < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig over TCP works ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 a a.example > dig.out.test$n || ret=1
  grep "10\.0\.0\.1$" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking dig +multi +norrcomments works for dnskey (when default is rrcomments)($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +multi +norrcomments DNSKEY dnskey.example > dig.out.test$n || ret=1
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  grep "; ZSK; alg = RSAMD5 ; key id = 30795" < dig.out.test$n > /dev/null && ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +multi +norrcomments works for soa (when default is rrcomments)($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +multi +norrcomments SOA example > dig.out.test$n || ret=1
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  grep "; ZSK; alg = RSAMD5 ; key id = 30795" < dig.out.test$n > /dev/null && ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +rrcomments works for DNSKEY($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +rrcomments DNSKEY dnskey.example > dig.out.test$n || ret=1
  grep "; ZSK; alg = RSAMD5 ; key id = 30795" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +short +rrcomments works for DNSKEY ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +short +rrcomments DNSKEY dnskey.example > dig.out.test$n || ret=1
  grep "; ZSK; alg = RSAMD5 ; key id = 30795" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking dig +short +nosplit works($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +short +nosplit DNSKEY dnskey.example > dig.out.test$n || ret=1
  grep "Z8plc4Rb9VIE5x7KNHAYTvTO5d4S8M=$" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +short +rrcomments works($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +short +rrcomments DNSKEY dnskey.example > dig.out.test$n || ret=1
  grep "S8M=  ; ZSK; alg = RSAMD5 ; key id = 30795$" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking dig +noheader-only works ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +noheader-only A example > dig.out.test$n || ret=1
  grep "Got answer:" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +short +rrcomments works($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +short +rrcomments DNSKEY dnskey.example > dig.out.test$n || ret=1
  grep "S8M=  ; ZSK; alg = RSAMD5 ; key id = 30795$" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  echo "I:checking dig +header-only works ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +header-only example > dig.out.test$n || ret=1
  grep "^;; flags: qr rd; QUERY: 0, ANSWER: 0," < dig.out.test$n > /dev/null || ret=1
  grep "^;; QUESTION SECTION:" < dig.out.test$n > /dev/null && ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +header-only works (with class and type set) ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +header-only -c IN -t A example > dig.out.test$n || ret=1
  grep "^;; flags: qr rd; QUERY: 0, ANSWER: 0," < dig.out.test$n > /dev/null || ret=1
  grep "^;; QUESTION SECTION:" < dig.out.test$n > /dev/null && ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking dig +zflag works, and that BIND properly ignores it ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.3 +zflag +qr A example > dig.out.test$n || ret=1
  sed -n '/Sending:/,/Got answer:/p' dig.out.test$n | grep "^;; flags: rd ad; MBZ: 0x4;" > /dev/null || ret=1
  sed -n '/Got answer:/,/AUTHORITY SECTION:/p' dig.out.test$n | grep "^;; flags: qr rd ra; QUERY: 1" > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking dig +qr +ednsopt=08 does not cause an INSIST failure ($n)"
  ret=0
  $DIG $DIGOPTS @10.53.0.3 +ednsopt=08 +qr a a.example > dig.out.test$n || ret=1
  grep "INSIST" < dig.out.test$n > /dev/null && ret=1
  grep "FORMERR" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
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  status=`expr $status + $ret`

  echo "I:checking dig +ttlunits works ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.2 +ttlunits A weeks.example > dig.out.test$n || ret=1
  grep "^weeks.example.		3w" < dig.out.test$n > /dev/null || ret=1
  $DIG $DIGOPTS +tcp @10.53.0.2 +ttlunits A days.example > dig.out.test$n || ret=1
  grep "^days.example.		3d" < dig.out.test$n > /dev/null || ret=1
  $DIG $DIGOPTS +tcp @10.53.0.2 +ttlunits A hours.example > dig.out.test$n || ret=1
  grep "^hours.example.		3h" < dig.out.test$n > /dev/null || ret=1
  $DIG $DIGOPTS +tcp @10.53.0.2 +ttlunits A minutes.example > dig.out.test$n || ret=1
  grep "^minutes.example.	45m" < dig.out.test$n > /dev/null || ret=1
  $DIG $DIGOPTS +tcp @10.53.0.2 +ttlunits A seconds.example > dig.out.test$n || ret=1
  grep "^seconds.example.	45s" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig respects precedence of options with +ttlunits ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.2 +ttlunits +nottlid A weeks.example > dig.out.test$n || ret=1
  grep "^weeks.example.		IN" < dig.out.test$n > /dev/null || ret=1
  $DIG $DIGOPTS +tcp @10.53.0.2 +nottlid +ttlunits A weeks.example > dig.out.test$n || ret=1
  grep "^weeks.example.		3w" < dig.out.test$n > /dev/null || ret=1
  $DIG $DIGOPTS +tcp @10.53.0.2 +nottlid +nottlunits A weeks.example > dig.out.test$n || ret=1
  grep "^weeks.example.		1814400" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
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  status=`expr $status + $ret`
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  n=`expr $n + 1`
  echo "I:checking dig -6 -4 ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.2 -4 -6 A a.example > dig.out.test$n 2>&1 && ret=1
  grep "only one of -4 and -6 allowed" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`
  
  n=`expr $n + 1`
  echo "I:checking dig @IPv6addr -4 A a.example ($n)"
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  if $TESTSOCK6 fd92:7065:b8e:ffff::2 2>/dev/null
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  then
    ret=0
    $DIG $DIGOPTS +tcp @fd92:7065:b8e:ffff::2 -4 A a.example > dig.out.test$n 2>&1 && ret=1
    grep "address family not supported" < dig.out.test$n > /dev/null || ret=1
    if [ $ret != 0 ]; then echo "I:failed"; fi
    status=`expr $status + $ret`
  else
    echo "I:IPv6 unavailable; skipping"
  fi
  
  n=`expr $n + 1`
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  echo "I:checking dig @IPv4addr -6 +mapped A a.example ($n)"
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  if $TESTSOCK6 fd92:7065:b8e:ffff::2 2>/dev/null
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  then
    ret=0
    ret=0
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    $DIG $DIGOPTS +tcp @10.53.0.2 -6 +mapped A a.example > dig.out.test$n 2>&1 || ret=1
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    grep "SERVER: ::ffff:10.53.0.2#5300" < dig.out.test$n > /dev/null || ret=1
    if [ $ret != 0 ]; then echo "I:failed"; fi
    status=`expr $status + $ret`
  else
    echo "I:IPv6 unavailable; skipping"
  fi
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  n=`expr $n + 1`
  echo "I:checking dig +tcp @IPv4addr -6 +nomapped A a.example ($n)"
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  if $TESTSOCK6 fd92:7065:b8e:ffff::2 2>/dev/null
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  then
    ret=0
    ret=0
    $DIG $DIGOPTS +tcp @10.53.0.2 -6 +nomapped A a.example > dig.out.test$n 2>&1 || ret=1
    grep "SERVER: ::ffff:10.53.0.2#5300" < dig.out.test$n > /dev/null && ret=1
    if [ $ret != 0 ]; then echo "I:failed"; fi
    status=`expr $status + $ret`
  else
    echo "I:IPv6 unavailable; skipping"
  fi
  n=`expr $n + 1`

  echo "I:checking dig +notcp @IPv4addr -6 +nomapped A a.example ($n)"
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  if $TESTSOCK6 fd92:7065:b8e:ffff::2 2>/dev/null
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  then
    ret=0
    ret=0
    $DIG $DIGOPTS +notcp @10.53.0.2 -6 +nomapped A a.example > dig.out.test$n 2>&1 || ret=1
    grep "SERVER: ::ffff:10.53.0.2#5300" < dig.out.test$n > /dev/null && ret=1
    if [ $ret != 0 ]; then echo "I:failed"; fi
    status=`expr $status + $ret`
  else
    echo "I:IPv6 unavailable; skipping"
  fi
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  n=`expr $n + 1`
  echo "I:checking dig +subnet ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.2 +subnet=127.0.0.1 A a.example > dig.out.test$n 2>&1 || ret=1
  grep "CLIENT-SUBNET: 127.0.0.1/32/0" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`
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  n=`expr $n + 1`
  echo "I:checking dig +subnet with various prefix lengths ($n)"
  ret=0
  for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24; do
      $DIG $DIGOPTS +tcp @10.53.0.2 +subnet=255.255.255.255/$i A a.example > dig.out.test$n 2>&1 || ret=1
      case $i in
      1|9|17) octet=128 ;;
      2|10|18) octet=192 ;;
      3|11|19) octet=224 ;;
      4|12|20) octet=240 ;;
      5|13|21) octet=248 ;;
      6|14|22) octet=252 ;;
      7|15|23) octet=254 ;;
      8|16|24) octet=255 ;;
      esac
      case $i in
      1|2|3|4|5|6|7|8) addr="${octet}.0.0.0";;
      9|10|11|12|13|14|15|16) addr="255.${octet}.0.0";;
      17|18|19|20|21|22|23|24) addr="255.255.${octet}.0" ;;
      esac
      grep "FORMERR" < dig.out.test.$p.$n > /dev/null && ret=1
      grep "CLIENT-SUBNET: $addr/$i/0" < dig.out.test$n > /dev/null || ret=1
  done
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking dig +subnet=0/0 ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.2 +subnet=0/0 A a.example > dig.out.test$n 2>&1 || ret=1
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  grep "CLIENT-SUBNET: 0/0/0" < dig.out.test$n > /dev/null || ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +subnet=0 ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.2 +subnet=0 A a.example > dig.out.test$n 2>&1 || ret=1
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  grep "CLIENT-SUBNET: 0/0/0" < dig.out.test$n > /dev/null || ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig +subnet=::/0 ($n)"
  ret=0
  $DIG $DIGOPTS +tcp @10.53.0.2 +subnet=::/0 A a.example > dig.out.test$n 2>&1 || ret=1
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  grep "CLIENT-SUBNET: 0/0/0" < dig.out.test$n > /dev/null || ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`
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  n=`expr $n + 1`
  echo "I:checking dig +subnet with prefix lengths between byte boundaries ($n)"
  ret=0
  for p in 9 10 11 12 13 14 15; do
    $DIG $DIGOPTS +tcp @10.53.0.2 +subnet=10.53/$p A a.example > dig.out.test.$p.$n 2>&1 || ret=1
    grep "FORMERR" < dig.out.test.$p.$n > /dev/null && ret=1
    grep "CLIENT-SUBNET.*/$p/0" < dig.out.test.$p.$n > /dev/null || ret=1
  done
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`
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  n=`expr $n + 1`
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  echo "I:checking dig +sp works as an abbreviated form of split ($n)"
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  ret=0
  $DIG $DIGOPTS @10.53.0.3 +sp=4 -t sshfp foo.example > dig.out.test$n || ret=1
  grep " 9ABC DEF6 7890 " < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking dig -c works ($n)"
  ret=0
  $DIG $DIGOPTS @10.53.0.3 -c CHAOS -t txt version.bind > dig.out.test$n || ret=1
  grep "version.bind.		0	CH	TXT" < dig.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`
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  n=`expr $n + 1`
  echo "I:checking dig +dscp ($n)"
  ret=0
  $DIG $DIGOPTS @10.53.0.3 +dscp=32 a a.example > /dev/null 2>&1 || ret=1
  $DIG $DIGOPTS @10.53.0.3 +dscp=-1 a a.example > /dev/null 2>&1 && ret=1
  $DIG $DIGOPTS @10.53.0.3 +dscp=64 a a.example > /dev/null 2>&1 && ret=1
  #TODO add a check to make sure dig is actually setting the dscp on the query
  #we might have to add better logging to named for this
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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else
  echo "$DIG is needed, so skipping these dig tests"
fi

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# using delv insecure mode as not testing dnssec here
DELVOPTS="-i -p 5300"

if [ -x ${DELV} ] ; then
  n=`expr $n + 1`
  echo "I:checking delv short form works ($n)"
  ret=0
  $DELV $DELVOPTS @10.53.0.3 +short a a.example > delv.out.test$n || ret=1
  if test `wc -l < delv.out.test$n` != 1 ; then ret=1 ; fi
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking delv split width works ($n)"
  ret=0
  $DELV $DELVOPTS @10.53.0.3 +split=4 -t sshfp foo.example > delv.out.test$n || ret=1
  grep " 9ABC DEF6 7890 " < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking delv +unknownformat works ($n)"
  ret=0
  $DELV $DELVOPTS @10.53.0.3 +unknownformat a a.example > delv.out.test$n || ret=1
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  grep "CLASS1[ 	][ 	]*TYPE1[ 	][ 	]*\\\\# 4 0A000001" < delv.out.test$n > /dev/null || ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
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  echo "I:checking delv with IPv6 on IPv4 does not work ($n)"
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  if $TESTSOCK6 fd92:7065:b8e:ffff::3 2>/dev/null
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  then
    ret=0
    # following should fail because @IPv4 overrides earlier @IPv6 above
    # and -6 forces IPv6 so this should fail, such as:
    # ;; getaddrinfo failed: hostname nor servname provided, or not known
    # ;; resolution failed: not found
    # note that delv returns success even on lookup failure
    $DELV $DELVOPTS @fd92:7065:b8e:ffff::3 @10.53.0.3 -6 -t txt foo.example > delv.out.test$n 2>&1 || ret=1
    # it should have no results but error output
    grep "testing" < delv.out.test$n > /dev/null && ret=1
    grep "getaddrinfo failed:" < delv.out.test$n > /dev/null || ret=1
    if [ $ret != 0 ]; then echo "I:failed"; fi 
    status=`expr $status + $ret`
  else
    echo "I:IPv6 unavailable; skipping"
  fi

  n=`expr $n + 1`
  echo "I:checking delv with reverse lookup works ($n)"
  ret=0
  $DELV $DELVOPTS @10.53.0.3 -x 127.0.0.1 > delv.out.test$n 2>&1 || ret=1
  # doesn't matter if has answer
  grep -i "127\.in-addr\.arpa\." < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking delv over TCP works ($n)"
  ret=0
  $DELV $DELVOPTS +tcp @10.53.0.3 a a.example > delv.out.test$n || ret=1
  grep "10\.0\.0\.1$" < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking delv +multi +norrcomments works for dnskey (when default is rrcomments)($n)"
  ret=0
  $DELV $DELVOPTS +tcp @10.53.0.3 +multi +norrcomments DNSKEY dnskey.example > delv.out.test$n || ret=1
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  grep "; ZSK; alg = RSAMD5 ; key id = 30795" < delv.out.test$n > /dev/null && ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking delv +multi +norrcomments works for soa (when default is rrcomments)($n)"
  ret=0
  $DELV $DELVOPTS +tcp @10.53.0.3 +multi +norrcomments SOA example > delv.out.test$n || ret=1
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  grep "; ZSK; alg = RSAMD5 ; key id = 30795" < delv.out.test$n > /dev/null && ret=1
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  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking delv +rrcomments works for DNSKEY($n)"
  ret=0
  $DELV $DELVOPTS +tcp @10.53.0.3 +rrcomments DNSKEY dnskey.example > delv.out.test$n || ret=1
  grep "; ZSK; alg = RSAMD5 ; key id = 30795" < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking delv +short +rrcomments works for DNSKEY ($n)"
  ret=0
  $DELV $DELVOPTS +tcp @10.53.0.3 +short +rrcomments DNSKEY dnskey.example > delv.out.test$n || ret=1
  grep "; ZSK; alg = RSAMD5 ; key id = 30795" < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
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  echo "I:checking delv +short +rrcomments works ($n)"
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  ret=0
  $DELV $DELVOPTS +tcp @10.53.0.3 +short +rrcomments DNSKEY dnskey.example > delv.out.test$n || ret=1
  grep "S8M=  ; ZSK; alg = RSAMD5 ; key id = 30795$" < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

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  n=`expr $n + 1`
  echo "I:checking delv +short +nosplit works ($n)"
  ret=0
  $DELV $DELVOPTS +tcp @10.53.0.3 +short +nosplit DNSKEY dnskey.example > delv.out.test$n || ret=1
  grep "Z8plc4Rb9VIE5x7KNHAYTvTO5d4S8M=" < delv.out.test$n > /dev/null || ret=1
  if test `wc -l < delv.out.test$n` != 1 ; then ret=1 ; fi
  f=`awk '{print NF}' < delv.out.test$n`
  test "${f:-0}" -eq 14 || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking delv +short +nosplit +norrcomments works ($n)"
  ret=0
  $DELV $DELVOPTS +tcp @10.53.0.3 +short +nosplit +norrcomments DNSKEY dnskey.example > delv.out.test$n || ret=1
  grep "Z8plc4Rb9VIE5x7KNHAYTvTO5d4S8M=$" < delv.out.test$n > /dev/null || ret=1
  if test `wc -l < delv.out.test$n` != 1 ; then ret=1 ; fi
  f=`awk '{print NF}' < delv.out.test$n`
  test "${f:-0}" -eq 4 || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi
  status=`expr $status + $ret`
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  n=`expr $n + 1`
  echo "I:checking delv +sp works as an abbriviated form of split ($n)"
  ret=0
  $DELV $DELVOPTS @10.53.0.3 +sp=4 -t sshfp foo.example > delv.out.test$n || ret=1
  grep " 9ABC DEF6 7890 " < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`
  
  n=`expr $n + 1`
  echo "I:checking delv +sh works as an abbriviated form of short ($n)"
  ret=0
  $DELV $DELVOPTS @10.53.0.3 +sh a a.example > delv.out.test$n || ret=1
  if test `wc -l < delv.out.test$n` != 1 ; then ret=1 ; fi
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking delv -c IN works ($n)"
  ret=0
  $DELV $DELVOPTS @10.53.0.3 -c IN -t a a.example > delv.out.test$n || ret=1
  grep "a.example." < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`

  n=`expr $n + 1`
  echo "I:checking delv -c CH is ignored, and treated like IN ($n)"
  ret=0
  $DELV $DELVOPTS @10.53.0.3 -c CH -t a a.example > delv.out.test$n || ret=1
  grep "a.example." < delv.out.test$n > /dev/null || ret=1
  if [ $ret != 0 ]; then echo "I:failed"; fi 
  status=`expr $status + $ret`
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  exit $status
else
  echo "$DELV is needed, so skipping these delv tests"
fi