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      1 #!/bin/sh
      2 
      3 # Copyright (C) Internet Systems Consortium, Inc. ("ISC")
      4 #
      5 # SPDX-License-Identifier: MPL-2.0
      6 #
      7 # This Source Code Form is subject to the terms of the Mozilla Public
      8 # License, v. 2.0.  If a copy of the MPL was not distributed with this
      9 # file, you can obtain one at https://mozilla.org/MPL/2.0/.
     10 #
     11 # See the COPYRIGHT file distributed with this work for additional
     12 # information regarding copyright ownership.
     13 
     14 set -e
     15 
     16 # shellcheck source=conf.sh
     17 . ../conf.sh
     18 
     19 status=0
     20 n=0
     21 
     22 rm -f dig.out.*
     23 
     24 dig_with_opts() {
     25   "$DIG" +tcp +noadd +nosea +nostat +nocmd -p "$PORT" "$@"
     26 }
     27 
     28 rndc_with_opts() {
     29   "$RNDC" -c ../_common/rndc.conf -p "$CONTROLPORT" -s "$@"
     30 }
     31 
     32 echo_i "checking DNSSEC SERVFAIL is cached ($n)"
     33 ret=0
     34 dig_with_opts +dnssec foo.example. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
     35 rndc_dumpdb ns5 -all
     36 awk '/Zone/{out=0} { if (out) print } /SERVFAIL/{out=1}' ns5/named_dump.db.test$n >sfcache.$n
     37 grep "^; foo.example/A" sfcache.$n >/dev/null || ret=1
     38 n=$((n + 1))
     39 if [ $ret != 0 ]; then echo_i "failed"; fi
     40 status=$((status + ret))
     41 
     42 echo_i "checking SERVFAIL is returned from cache ($n)"
     43 ret=0
     44 dig_with_opts +dnssec foo.example. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
     45 grep "SERVFAIL" dig.out.ns5.test$n >/dev/null || ret=1
     46 n=$((n + 1))
     47 if [ $ret != 0 ]; then echo_i "failed"; fi
     48 status=$((status + ret))
     49 
     50 echo_i "checking that +cd bypasses cache check ($n)"
     51 ret=0
     52 dig_with_opts +dnssec +cd foo.example. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
     53 grep "SERVFAIL" dig.out.ns5.test$n >/dev/null && ret=1
     54 n=$((n + 1))
     55 if [ $ret != 0 ]; then echo_i "failed"; fi
     56 status=$((status + ret))
     57 
     58 echo_i "switching to non-dnssec SERVFAIL tests"
     59 ret=0
     60 rndc_with_opts 10.53.0.5 flush 2>&1 | sed 's/^/I:ns5 /'
     61 rndc_dumpdb ns5 -all
     62 mv ns5/named_dump.db.test$n ns5/named_dump.db.test$n.1
     63 awk '/SERVFAIL/ { next; out=1 } /Zone/ { out=0 } { if (out) print }' ns5/named_dump.db.test$n.1 >sfcache.$n.1
     64 [ -s "sfcache.$n.1" ] && ret=1
     65 echo_i "checking SERVFAIL is cached ($n)"
     66 dig_with_opts bar.example2. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
     67 rndc_dumpdb ns5 -all
     68 mv ns5/named_dump.db.test$n ns5/named_dump.db.test$n.2
     69 awk '/Zone/{out=0} { if (out) print } /SERVFAIL/{out=1}' ns5/named_dump.db.test$n.2 >sfcache.$n.2
     70 grep "^; bar.example2/A" sfcache.$n.2 >/dev/null || ret=1
     71 n=$((n + 1))
     72 if [ $ret != 0 ]; then echo_i "failed"; fi
     73 status=$((status + ret))
     74 
     75 echo_i "checking SERVFAIL is returned from cache ($n)"
     76 ret=0
     77 nextpart ns5/named.run >/dev/null
     78 dig_with_opts bar.example2. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
     79 grep "SERVFAIL" dig.out.ns5.test$n >/dev/null || ret=1
     80 nextpart ns5/named.run >ns5/named.run.part$n
     81 grep 'servfail cache hit bar.example2/A (CD=0)' ns5/named.run.part$n >/dev/null || ret=1
     82 n=$((n + 1))
     83 if [ $ret != 0 ]; then echo_i "failed"; fi
     84 status=$((status + ret))
     85 
     86 echo_i "checking cache is bypassed with +cd query ($n)"
     87 ret=0
     88 dig_with_opts +cd bar.example2. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
     89 grep "SERVFAIL" dig.out.ns5.test$n >/dev/null || ret=1
     90 nextpart ns5/named.run >ns5/named.run.part$n
     91 grep 'servfail cache hit' ns5/named.run.part$n >/dev/null && ret=1
     92 n=$((n + 1))
     93 if [ $ret != 0 ]; then echo_i "failed"; fi
     94 status=$((status + ret))
     95 
     96 echo_i "checking cache is used for subsequent +cd query ($n)"
     97 ret=0
     98 dig_with_opts +dnssec bar.example2. a @10.53.0.5 >dig.out.ns5.test$n || ret=1
     99 grep "SERVFAIL" dig.out.ns5.test$n >/dev/null || ret=1
    100 nextpart ns5/named.run >ns5/named.run.part$n
    101 grep 'servfail cache hit bar.example2/A (CD=1)' ns5/named.run.part$n >/dev/null || ret=1
    102 n=$((n + 1))
    103 if [ $ret != 0 ]; then echo_i "failed"; fi
    104 status=$((status + ret))
    105 
    106 echo_i "exit status: $status"
    107 [ $status -eq 0 ] || exit 1
    108