- Unit test for tcp request reorder and timeouts.

git-svn-id: file:///svn/unbound/trunk@5041 be551aaa-1e26-0410-a405-d3ace91eadb9
This commit is contained in:
Wouter Wijngaards 2019-01-21 13:04:08 +00:00
parent 9087b18234
commit f7d63b0927
7 changed files with 281 additions and 0 deletions

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21 January 2018: Wouter
- Fix tcp idle timeout test, for difference in the tcp reply code.
- Unit test for tcp request reorder and timeouts.
17 January 2018: Wouter
- For caps-for-id fallback, use the whitelist to avoid timeout

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server:
verbosity: 2
# num-threads: 1
interface: 127.0.0.1
port: @PORT@
use-syslog: no
directory: .
pidfile: "unbound.pid"
chroot: ""
username: ""
do-not-query-localhost: no
local-zone: "example.net" static
local-data: "www1.example.net. IN A 1.2.3.1"
local-data: "www2.example.net. IN A 1.2.3.2"
local-data: "www3.example.net. IN A 1.2.3.3"
tcp-idle-timeout: 2000
local-zone: "drop.net" deny
forward-zone:
name: "."
forward-addr: "127.0.0.1@@TOPORT@"

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BaseName: tcp_req_order
Version: 1.0
Description: Test tcp request order timeouts.
CreationDate: Mon Jan 21 11:23:00 CET 2018
Maintainer: Wouter Wijngaards
Category:
Component:
CmdDepends:
Depends:
Help:
Pre: tcp_req_order.pre
Post: tcp_req_order.post
Test: tcp_req_order.test
AuxFiles:
Passed:
Failure:

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# #-- tcp_req_timeout.post --#
# source the master var file when it's there
[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
# source the test var file when it's there
[ -f .tpkg.var.test ] && source .tpkg.var.test
#
# do your teardown here
. ../common.sh
kill_pid $FWD_PID
kill_pid $UNBOUND_PID
cat fwd.log
cat unbound.log

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# #-- tcp_req_timeout.pre--#
# source the master var file when it's there
[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
# use .tpkg.var.test for in test variable passing
[ -f .tpkg.var.test ] && source .tpkg.var.test
. ../common.sh
get_random_port 2
UNBOUND_PORT=$RND_PORT
FWD_PORT=$(($RND_PORT + 1))
echo "UNBOUND_PORT=$UNBOUND_PORT" >> .tpkg.var.test
echo "FWD_PORT=$FWD_PORT" >> .tpkg.var.test
# start forwarder
get_ldns_testns
$LDNS_TESTNS -p $FWD_PORT tcp_req_timeout.testns >fwd.log 2>&1 &
FWD_PID=$!
echo "FWD_PID=$FWD_PID" >> .tpkg.var.test
# make config file
sed -e 's/@PORT\@/'$UNBOUND_PORT'/' -e 's/@TOPORT\@/'$FWD_PORT'/' < tcp_req_timeout.conf > ub.conf
# start unbound in the background
PRE="../.."
$PRE/unbound -vvvv -d -c ub.conf >unbound.log 2>&1 &
UNBOUND_PID=$!
echo "UNBOUND_PID=$UNBOUND_PID" >> .tpkg.var.test
cat .tpkg.var.test
wait_ldns_testns_up fwd.log
wait_unbound_up unbound.log

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# #-- tcp_req_timeout.test --#
# source the master var file when it's there
[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
# use .tpkg.var.test for in test variable passing
[ -f .tpkg.var.test ] && source .tpkg.var.test
PRE="../.."
. ../common.sh
get_make
(cd $PRE; $MAKE streamtcp)
# check what sort of netcat we have
if nc -h 2>&1 | grep "q secs"; then
ncopt="-q 3 -i 4"
else
ncopt="-i 4"
fi
# this test query should just work (server is up)
echo "> query www1.example.net."
$PRE/streamtcp -f 127.0.0.1@$UNBOUND_PORT www1.example.net. A IN >outfile 2>&1
cat outfile
if test "$?" -ne 0; then
echo "exit status not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "Not OK"
exit 1
fi
if grep "www1.example.net" outfile | grep "1.2.3.1"; then
echo "content OK"
else
echo "result contents not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "result contents not OK"
exit 1
fi
echo "OK"
# multiple requests that are answered immediately and then the timeout
echo "> query www1.example.net. www2.example.net. www3.example.net. www.example.com."
$PRE/streamtcp -a -f 127.0.0.1@$UNBOUND_PORT www1.example.net. A IN www2.example.net A IN www3.example.net A IN www.example.com. A IN >outfile 2>&1
cat outfile
if test "$?" -ne 0; then
echo "exit status not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "Not OK"
exit 1
fi
if grep "www1.example.net" outfile | grep "1.2.3.1"; then
echo "content OK"
else
echo "result contents not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "result contents not OK"
exit 1
fi
if grep "www2.example.net" outfile | grep "1.2.3.2"; then
echo "content OK"
else
echo "result contents not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "result contents not OK"
exit 1
fi
if grep "www3.example.net" outfile | grep "1.2.3.3"; then
echo "content OK"
else
echo "result contents not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "result contents not OK"
exit 1
fi
if grep "stream closed" outfile; then
echo "content OK"
else
echo "result contents not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "result contents not OK"
exit 1
fi
# multiple requests that are waiting for answers and then the timeout
echo "> query www2.example.com. www2.example.com. www3.example.com."
$PRE/streamtcp -a -f 127.0.0.1@$UNBOUND_PORT www2.example.com. A IN www2.example.com A IN www3.example.com A IN >outfile 2>&1
cat outfile
if test "$?" -ne 0; then
echo "exit status not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "Not OK"
exit 1
fi
if grep "stream closed" outfile; then
echo "content OK"
else
echo "result contents not OK"
echo "> cat logfiles"
cat outfile
cat fwd.log
cat unbound.log
echo "result contents not OK"
exit 1
fi
# wait a bit
sleep 2
# echo a couple requests to the other side and then wait for the timeout.
# this creates waiting answers in the reply queue.
echo "> nc www.example.net www2.example.net www3.example.net"
( echo "0021eb410100000100000000000003777777076578616d706c65036e657400000100010022eb41010000010000000000000477777732076578616d706c65036e657400000100010022eb41010000010000000000000477777733076578616d706c65036e65740000010001" | xxd -r -p ; sleep 10 ; echo "") | nc $ncopt 127.0.0.1 $UNBOUND_PORT | xxd | tee outfile
echo "OK"
exit 0

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; nameserver test file
$ORIGIN example.com.
$TTL 3600
ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=4
SECTION QUESTION
www IN A
SECTION ANSWER
www IN A 10.20.30.40
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=4
SECTION QUESTION
www2 IN A
SECTION ANSWER
www2 IN A 10.20.30.42
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=4
SECTION QUESTION
www3 IN A
SECTION ANSWER
www3 IN A 10.20.30.43
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=2
SECTION QUESTION
www4 IN A
SECTION ANSWER
www4 IN A 10.20.30.44
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=2
SECTION QUESTION
www5 IN A
SECTION ANSWER
www5 IN A 10.20.30.45
ENTRY_END
ENTRY_BEGIN
MATCH opcode qtype qname
REPLY QR AA NOERROR
ADJUST copy_id sleep=2
SECTION QUESTION
www6 IN A
SECTION ANSWER
www6 IN A 10.20.30.46
ENTRY_END