mirror of
https://github.com/NLnetLabs/unbound.git
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681 lines
15 KiB
Text
681 lines
15 KiB
Text
# #-- stat_values.test --#
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# source the master var file when it's there
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[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
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# use .tpkg.var.test for in test variable passing
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[ -f .tpkg.var.test ] && source .tpkg.var.test
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. ../common.sh
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PRE="../.."
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# Individual thread stats.
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STATS_IGNORE_THREAD="\
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^thread"
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# Histogram stats.
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STATS_IGNORE_HISTOGRAM="\
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^histogram"
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# Time dependent stats.
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STATS_IGNORE_TIME_SPECIFIC="\
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^total.recursion.time.avg=
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^total.recursion.time.median=
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^time.now=
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^time.up=
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^time.elapsed="
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# Usage dependent stats.
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STATS_IGNORE_USAGE_SPECIFIC="\
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^total.requestlist.avg=
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^total.requestlist.max=
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^total.requestlist.overwritten=
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^total.requestlist.exceeded=
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^total.requestlist.current.all=
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^total.requestlist.current.user=
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^total.tcpusage=
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^mem\."
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# Stats to ignore by default.
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STATS_IGNORE_DEFAULT="\
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$STATS_IGNORE_THREAD
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$STATS_IGNORE_HISTOGRAM
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$STATS_IGNORE_TIME_SPECIFIC
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$STATS_IGNORE_USAGE_SPECIFIC"
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# Various files to be used while testing.
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STATS_FILE=stats.$$
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EXPECTED_STATS_FILE=expected_stats.$$
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IGNORE_REGEX_FILE=ignore_regex.$$
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FILTERED_STATS_FILE=filtered_stats.$$
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FOUND_STATS_FILE=found_stats.$$
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REST_STATS_FILE=rest_stats.$$
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DEBUG=0
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if dig -h 2>&1 | grep "cookie" >/dev/null; then
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nocookie="+nocookie"
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else
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nocookie=""
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fi
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# Write stats to $STATS_FILE.
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# Call this when you want to get stats from unbound.
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get_stats () {
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echo "> Getting stats"
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echo "$PRE/unbound-control -c ub.conf stats"
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$PRE/unbound-control -c ub.conf stats > $STATS_FILE
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if test $? -ne 0; then
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echo "wrong exit value after success"
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exit 1
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fi
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}
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# Set the expected stat values by writing to $EXPECTED_STATS_FILE.
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# sort is used for proper diff later.
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set_expected_stats () {
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echo "$1" | sort > $EXPECTED_STATS_FILE
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}
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# Set the regex to ignore stats by writing to $IGNORE_REGEX_FILE.
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set_ignore_regex_stats () {
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echo "$1" > $IGNORE_REGEX_FILE
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}
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# Filter the stats by removing any matched regex from $IGNORE_REGEX_FILE,
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# sorts and writes the left over stats to $FILTERED_STATS_FILE.
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filter_stats () {
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grep -v -f $IGNORE_REGEX_FILE $STATS_FILE | sort > $FILTERED_STATS_FILE
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}
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# Check that the stats in $FILTERED_STATS_FILE include the expected stats in
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# $EXPECTED_STATS_FILE.
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check_expected_stats () {
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echo "> Checking expected stats"
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grep -F -x -f $EXPECTED_STATS_FILE $FILTERED_STATS_FILE > $FOUND_STATS_FILE
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if test $DEBUG -ne 0; then
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echo "Found:"
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cat $FOUND_STATS_FILE
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fi
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if diff $EXPECTED_STATS_FILE $FOUND_STATS_FILE; then
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echo "OK"
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else
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echo "! bad expected stats:"
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cat $FILTERED_STATS_FILE
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end 1
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fi
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}
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# Check that the rest (unspecified) stats are all 0 (no surprises).
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check_rest_stats () {
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echo "> Checking rest stats"
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grep -F -x -v -f $EXPECTED_STATS_FILE $FILTERED_STATS_FILE > $REST_STATS_FILE
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if test $DEBUG -ne 0; then
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echo "Rest:"
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cat $REST_STATS_FILE
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fi
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if grep -v "=0$" $REST_STATS_FILE; then
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echo "! bad rest stats"
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end 1
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else
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echo "OK"
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fi
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}
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# Main function to check stats by:
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# - Getting stats from unbound
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# - Filtering out the stats we are not interested in
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# - Checking that the expected stats are part of the filtered stats
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# - The rest of the stats have 0 values.
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check_stats () {
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set_expected_stats "$1"
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if test $DEBUG -ne 0; then
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echo "Expected:"
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cat $EXPECTED_STATS_FILE
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fi
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get_stats
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filter_stats
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if test $DEBUG -ne 0; then
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echo "Filtered:"
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cat $FILTERED_STATS_FILE
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fi
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check_expected_stats
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check_rest_stats
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}
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# Convenient function to set an option through unbound-control.
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set_ub_option () {
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name=$1
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value=$2
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echo "$PRE/unbound-control -c ub.conf set_option $name: $value"
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$PRE/unbound-control -c ub.conf set_option $name: $value
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if test $? -ne 0; then
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echo "wrong exit value after success"
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exit 1
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fi
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}
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# Convenient function to kill current Unbound and bring up one with an alternate configuration.
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bring_up_alternate_configuration () {
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conf_file=$1
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kill_pid $UNBOUND_PID # kill current Unbound
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echo ""
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cat unbound.log
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echo ""
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$PRE/unbound -d -c $conf_file >unbound.log 2>&1 &
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UNBOUND_PID=$!
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echo "UNBOUND_PID=$UNBOUND_PID" >> .tpkg.var.test
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wait_unbound_up unbound.log
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}
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# Convenient function to exit the test.
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end () {
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echo "> cat logfiles"
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cat fwd.log
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cat unbound.log
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if test $1 -eq 1; then
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echo "Not OK"
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else
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echo "> OK"
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fi
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exit $1
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}
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# Ignore all run specific stats.
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set_ignore_regex_stats "$STATS_IGNORE_DEFAULT"
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# Check if the server is up.
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echo "> dig 1ttl.example.com."
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dig @127.0.0.1 -p $UNBOUND_PORT 1ttl.example.com. | tee outfile
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echo "> check answer"
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if grep "1.1.1.1" outfile; then
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echo "OK"
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else
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end 1
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fi
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teststep "Check initial stats based on first query."
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check_stats "\
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total.num.queries=1
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total.num.cachemiss=1
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total.num.recursivereplies=1
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num.query.type.A=1
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num.query.class.IN=1
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num.query.opcode.QUERY=1
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num.query.flags.RD=1
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num.query.flags.AD=1
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num.query.edns.present=1
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num.query.udpout=1
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msg.cache.count=1
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rrset.cache.count=1
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infra.cache.count=1
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num.answer.rcode.NOERROR=1"
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teststep "Check stat reset."
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check_stats "\
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msg.cache.count=1
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rrset.cache.count=1
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infra.cache.count=1"
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teststep "Enable serve-expired and check."
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set_ub_option serve-expired yes
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sleep 2 # make sure the TTL has expired.
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echo "> dig 1ttl.example.com."
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dig @127.0.0.1 -p $UNBOUND_PORT 1ttl.example.com. | tee outfile
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echo "> check answer"
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if grep "1.1.1.1" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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total.num.queries=1
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total.num.expired=1
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total.num.cachehits=1
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total.num.prefetch=1
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num.answer.rcode.NOERROR=1
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num.query.class.IN=1
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num.query.edns.present=1
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num.query.flags.AD=1
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num.query.flags.RD=1
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num.query.opcode.QUERY=1
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num.query.type.A=1
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num.query.udpout=1
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msg.cache.count=1
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rrset.cache.count=1
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infra.cache.count=1"
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teststep "Enable serve-expired-client-timeout and check."
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set_ub_option serve-expired-client-timeout 1
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echo "> dig servfail.expired."
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dig @127.0.0.1 -p $UNBOUND_PORT servfail.expired. | tee outfile
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echo "> check answer"
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if grep "192.0.2.1" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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total.num.queries=1
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total.num.cachemiss=1
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total.num.recursivereplies=1
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num.query.type.A=1
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num.query.class.IN=1
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num.query.opcode.QUERY=1
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num.query.flags.RD=1
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num.query.flags.AD=1
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num.query.edns.present=1
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num.query.udpout=1
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msg.cache.count=2
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rrset.cache.count=2
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infra.cache.count=2
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num.answer.rcode.NOERROR=1"
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kill_pid $FWD_EXPIRED_PID # kill the expired forwarder to force a servfail from upstream.
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sleep 2 # make sure the TTL has expired.
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echo "> dig servfail.expired."
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dig @127.0.0.1 -p $UNBOUND_PORT servfail.expired. | tee outfile
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echo "> check answer"
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if grep "192.0.2.1" outfile; then
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echo "OK"
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else
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end 1
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fi
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sleep 1 # make sure the outgoing UDP (and no edns1xx0 retry because not a smaller buffer size) are accounted for.
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check_stats "\
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total.num.queries=1
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total.num.expired=1
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total.num.recursivereplies=1
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num.answer.rcode.NOERROR=1
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num.query.class.IN=1
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num.query.edns.present=1
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num.query.flags.AD=1
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num.query.flags.RD=1
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num.query.opcode.QUERY=1
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num.query.type.A=1
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num.query.udpout=1
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total.num.cachemiss=1
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msg.cache.count=2
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rrset.cache.count=2
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infra.cache.count=2"
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# Disable serve-expired
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set_ub_option serve-expired no
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teststep "Check REFUSED; try without RD flag."
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echo "> dig somethingelse.example.com."
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dig @127.0.0.1 -p $UNBOUND_PORT +nordflag somethingelse.example.com. | tee outfile
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echo "> check answer"
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if grep "REFUSED" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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num.answer.rcode.REFUSED=1
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total.num.cachehits=1
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num.query.class.IN=1
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num.query.edns.present=1
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num.query.flags.AD=1
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num.query.opcode.QUERY=1
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num.query.type.A=1
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total.num.queries=1
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msg.cache.count=2
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rrset.cache.count=2
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infra.cache.count=2"
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teststep "Check the AD flag."
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echo "> dig www.example.com."
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dig @127.0.0.1 -p $UNBOUND_PORT +noadflag www.example.com. | tee outfile
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echo "> check answer"
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if grep "10.20.30.40" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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num.query.flags.AD=0
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total.num.cachemiss=1
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num.answer.rcode.NOERROR=1
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num.query.class.IN=1
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num.query.edns.present=1
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num.query.flags.RD=1
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num.query.opcode.QUERY=1
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num.query.type.A=1
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num.query.udpout=1
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total.num.queries=1
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total.num.recursivereplies=1
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msg.cache.count=3
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rrset.cache.count=3
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infra.cache.count=2"
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teststep "Check local zone."
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echo "> dig www.local.zone."
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dig @127.0.0.1 -p $UNBOUND_PORT www.local.zone. | tee outfile
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echo "> check answer"
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if grep "192.0.2.1" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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num.answer.rcode.NOERROR=1
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total.num.cachehits=1
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num.query.class.IN=1
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num.query.edns.present=1
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num.query.flags.AD=1
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num.query.flags.RD=1
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num.query.opcode.QUERY=1
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num.query.type.A=1
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total.num.queries=1
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msg.cache.count=3
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rrset.cache.count=3
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infra.cache.count=2"
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teststep "Check NXDOMAIN (with local data)."
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echo "> dig mail.local.zone."
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dig @127.0.0.1 -p $UNBOUND_PORT mail.local.zone. | tee outfile
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echo "> check answer"
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if grep "NXDOMAIN" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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num.answer.rcode.NXDOMAIN=1
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total.num.cachehits=1
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num.query.class.IN=1
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num.query.edns.present=1
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num.query.flags.AD=1
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num.query.flags.RD=1
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num.query.opcode.QUERY=1
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num.query.type.A=1
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total.num.queries=1
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msg.cache.count=3
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rrset.cache.count=3
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infra.cache.count=2"
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teststep "Check CHAOS."
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echo "> dig id.server. ch txt"
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dig @127.0.0.1 -p $UNBOUND_PORT id.server. ch txt | tee outfile
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echo "> check answer"
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if grep "stat_values" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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num.query.class.CH=1
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total.num.cachehits=1
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num.answer.rcode.NOERROR=1
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num.query.edns.present=1
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num.query.flags.AD=1
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num.query.flags.RD=1
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num.query.opcode.QUERY=1
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num.query.type.TXT=1
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total.num.queries=1
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msg.cache.count=3
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rrset.cache.count=3
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infra.cache.count=2"
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teststep "Check dns-error-reporting."
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echo "> dig www.bogusdnssec."
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dig @127.0.0.1 -p $UNBOUND_PORT www.bogusdnssec. | tee outfile
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echo "> check answer"
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if grep "SERVFAIL" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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infra.cache.count=4
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key.cache.count=1
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msg.cache.count=7
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num.answer.bogus=1
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num.answer.rcode.SERVFAIL=1
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num.query.class.IN=1
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num.query.edns.present=1
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num.query.flags.AD=1
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num.query.flags.RD=1
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num.query.opcode.QUERY=1
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num.query.type.A=1
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num.query.udpout=9
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num.valops=6
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rrset.cache.count=5
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total.num.cachemiss=1
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total.num.dns_error_reports=1
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total.num.queries=1
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total.num.recursivereplies=1"
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###
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#
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# Bring the discard-timeout, wait-limit configured Unbound up
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#
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bring_up_alternate_configuration ub_discard_wait_limit.conf
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#
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###
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teststep "Check discard-timeout and wait-limit"
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echo "> dig www.unresponsive"
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dig @127.0.0.1 -p $UNBOUND_PORT +retry=2 +timeout=1 www.unresponsive. | tee outfile
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echo "> check answer"
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if grep "no servers could be reached" outfile; then
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echo "OK"
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else
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end 1
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fi
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check_stats "\
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infra.cache.count=1
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msg.cache.count=1
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num.query.class.IN=3
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num.query.edns.present=3
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num.query.flags.AD=3
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num.query.flags.RD=3
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num.query.opcode.QUERY=3
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num.query.type.A=3
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num.query.udpout=1
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total.num.cachemiss=3
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total.num.queries=3
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total.num.queries_discard_timeout=2
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total.num.queries_wait_limit=1"
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###
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#
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# Bring the downstream DNS Cookies configured Unbound up
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#
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bring_up_alternate_configuration ub_downstream_cookies.conf
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#
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###
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teststep "Get a DNS Cookie."
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echo "> dig www.local.zone +tcp $nocookie +ednsopt=10:0102030405060708"
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dig @127.0.0.1 -p $UNBOUND_PORT +tcp $nocookie +ednsopt=10:0102030405060708 +retry=0 +time=1 www.local.zone. | tee outfile
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echo "> check answer"
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if grep "192.0.2.1" outfile; then
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echo "OK"
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else
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end 1
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fi
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# Save valid cookie
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valid_cookie=`grep "COOKIE: " outfile | cut -d ' ' -f 3`
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invalid_cookie=`echo $valid_cookie | tr '0' '4'`
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check_stats "\
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total.num.queries=1
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total.num.queries_cookie_client=1
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total.num.cachehits=1
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num.query.type.A=1
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num.query.class.IN=1
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num.query.opcode.QUERY=1
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num.query.flags.RD=1
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num.query.flags.AD=1
|
|
num.query.edns.present=1
|
|
num.query.tcp=1
|
|
num.answer.rcode.NOERROR=1"
|
|
|
|
|
|
teststep "Present the valid DNS Cookie."
|
|
echo "> dig www.local.zone $nocookie +ednsopt=10:valid_cookie"
|
|
dig @127.0.0.1 -p $UNBOUND_PORT $nocookie +ednsopt=10:$valid_cookie +retry=0 +time=1 www.local.zone. | tee outfile
|
|
echo "> check answer"
|
|
if grep "192.0.2.1" outfile; then
|
|
echo "OK"
|
|
else
|
|
end 1
|
|
fi
|
|
check_stats "\
|
|
total.num.queries=1
|
|
total.num.queries_cookie_valid=1
|
|
total.num.cachehits=1
|
|
num.query.type.A=1
|
|
num.query.class.IN=1
|
|
num.query.opcode.QUERY=1
|
|
num.query.flags.RD=1
|
|
num.query.flags.AD=1
|
|
num.query.edns.present=1
|
|
num.answer.rcode.NOERROR=1"
|
|
|
|
|
|
teststep "Present an invalid DNS Cookie."
|
|
echo "> dig www.local.zone $nocookie +ednsopt=10:invalid_cookie"
|
|
dig @127.0.0.1 -p $UNBOUND_PORT $nocookie +ednsopt=10:$invalid_cookie +retry=0 +time=1 www.local.zone. | tee outfile
|
|
echo "> check answer"
|
|
if grep "192.0.2.1" outfile; then
|
|
end 1
|
|
else
|
|
echo "OK"
|
|
fi
|
|
# A lot of stats are missing since BADCOOKIE error response is before
|
|
# those stat calculations.
|
|
# BADCOOKIE is an extended error code; we record YXRRSET below.
|
|
check_stats "\
|
|
total.num.queries=1
|
|
total.num.queries_cookie_invalid=1
|
|
total.num.cachehits=1
|
|
num.answer.rcode.YXRRSET=1"
|
|
|
|
|
|
teststep "Present no DNS Cookie."
|
|
echo "> dig www.local.zone +ignore"
|
|
dig @127.0.0.1 -p $UNBOUND_PORT +ignore $nocookie +retry=0 +time=1 www.local.zone. | tee outfile
|
|
echo "> check answer"
|
|
if grep "192.0.2.1" outfile; then
|
|
end 1
|
|
else
|
|
echo "OK"
|
|
fi
|
|
# A lot of stats are missing since REFUSED error response because of no DNS
|
|
# Cookie is before those stat calculations.
|
|
check_stats "\
|
|
total.num.queries=1
|
|
total.num.cachehits=1
|
|
num.answer.rcode.REFUSED=1"
|
|
|
|
if test x$USE_CACHEDB = "x1"; then
|
|
|
|
|
|
###
|
|
#
|
|
# Bring the cachedb configured Unbound up
|
|
#
|
|
bring_up_alternate_configuration ub_cachedb.conf
|
|
#
|
|
###
|
|
|
|
|
|
teststep "Check cachedb cache miss."
|
|
echo "> dig www.example.com."
|
|
dig @127.0.0.1 +ednsopt=65534 -p $UNBOUND_PORT www.example.com. | tee outfile
|
|
echo "> check answer"
|
|
if grep "10.20.30.40" outfile; then
|
|
echo "OK"
|
|
else
|
|
end 1
|
|
fi
|
|
check_stats "\
|
|
total.num.queries=1
|
|
total.num.cachemiss=1
|
|
total.num.cachehits=0
|
|
total.num.recursivereplies=1
|
|
num.query.type.A=1
|
|
num.query.class.IN=1
|
|
num.query.opcode.QUERY=1
|
|
num.query.flags.RD=1
|
|
num.query.flags.AD=1
|
|
num.query.edns.present=1
|
|
num.query.udpout=1
|
|
num.query.cachedb=0
|
|
msg.cache.count=1
|
|
rrset.cache.count=1
|
|
infra.cache.count=1
|
|
num.answer.rcode.NOERROR=1"
|
|
|
|
|
|
teststep "Check cachedb cache hit."
|
|
echo "> dig www.example.com."
|
|
dig @127.0.0.1 +ednsopt=65534 -p $UNBOUND_PORT www.example.com. | tee outfile
|
|
echo "> check answer"
|
|
if grep "10.20.30.40" outfile; then
|
|
echo "OK"
|
|
else
|
|
end 1
|
|
fi
|
|
check_stats "\
|
|
total.num.queries=1
|
|
total.num.cachemiss=1
|
|
total.num.cachehits=0
|
|
total.num.recursivereplies=1
|
|
num.query.type.A=1
|
|
num.query.class.IN=1
|
|
num.query.opcode.QUERY=1
|
|
num.query.flags.RD=1
|
|
num.query.flags.AD=1
|
|
num.query.edns.present=1
|
|
num.query.udpout=0
|
|
num.query.cachedb=1
|
|
msg.cache.count=1
|
|
rrset.cache.count=1
|
|
infra.cache.count=1
|
|
num.answer.rcode.NOERROR=1"
|
|
|
|
|
|
teststep "Check cachedb cache hit with stat reset."
|
|
echo "> dig www.example.com."
|
|
dig @127.0.0.1 +ednsopt=65534 -p $UNBOUND_PORT www.example.com. | tee outfile
|
|
echo "> check answer"
|
|
if grep "10.20.30.40" outfile; then
|
|
echo "OK"
|
|
else
|
|
end 1
|
|
fi
|
|
check_stats "\
|
|
total.num.queries=1
|
|
total.num.cachemiss=1
|
|
total.num.cachehits=0
|
|
total.num.recursivereplies=1
|
|
num.query.type.A=1
|
|
num.query.class.IN=1
|
|
num.query.opcode.QUERY=1
|
|
num.query.flags.RD=1
|
|
num.query.flags.AD=1
|
|
num.query.edns.present=1
|
|
num.query.cachedb=1
|
|
msg.cache.count=1
|
|
rrset.cache.count=1
|
|
infra.cache.count=1
|
|
num.answer.rcode.NOERROR=1"
|
|
|
|
fi # USE_CACHEDB
|
|
|
|
end 0
|