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selftests: netfilter: switch zone stress to socat 

centos9 has nmap-ncat which doesn't like the '-q' option, use socat.
While at it, mark test skipped if needed tools are missing.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal 2021-12-03 15:33:23 +01:00 committed by Pablo Neira Ayuso
parent 962e5a4035
commit d46cea0e69
1 changed files with 13 additions and 6 deletions
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19
tools/testing/selftests/netfilter/nft_zones_many.sh
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@ -18,11 +18,17 @@ cleanup()
ip netns del $ns
}
ip netns add $ns
if [ $? -ne 0 ];then
echo "SKIP: Could not create net namespace $gw"
exit $ksft_skip
fi
checktool (){
if ! $1 > /dev/null 2>&1; then
echo "SKIP: Could not $2"
exit $ksft_skip
fi
}
checktool "nft --version" "run test without nft tool"
checktool "ip -Version" "run test without ip tool"
checktool "socat -V" "run test without socat tool"
checktool "ip netns add $ns" "create net namespace"
trap cleanup EXIT
@ -71,7 +77,8 @@ EOF
local start=$(date +%s%3N)
i=$((i + 10000))
j=$((j + 1))
dd if=/dev/zero of=/dev/stdout bs=8k count=10000 2>/dev/null | ip netns exec "$ns" nc -w 1 -q 1 -u -p 12345 127.0.0.1 12345 > /dev/null
# nft rule in output places each packet in a different zone.
dd if=/dev/zero of=/dev/stdout bs=8k count=10000 2>/dev/null | ip netns exec "$ns" socat STDIN UDP:127.0.0.1:12345,sourceport=12345
if [ $? -ne 0 ] ;then
ret=1
break