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selftests: netfilter: nft_tproxy.sh: adjust to socat changes

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Like e65d8b6f30 ("selftests: drv-net: adjust to socat changes") we
need to add shut-none for this test too.

The extra 0-packet can trigger a second (unexpected) reply from the server.

Fixes: 7e37e0eacd ("selftests: netfilter: nft_tproxy.sh: add tcp tests")
Reported-by: Jakub Kicinski <kuba@kernel.org>
Closes: https://lore.kernel.org/netdev/20260408152432.24b8ad0d@kernel.org/
Suggested-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
Link: https://patch.msgid.link/20260409224506.27072-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Florian Westphal 2026-04-10 00:45:02 +02:00 committed by Jakub Kicinski
parent 03a1569c2b
commit 6111954266
1 changed files with 7 additions and 7 deletions
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14
tools/testing/selftests/net/netfilter/nft_tproxy_udp.sh
View File

@ -190,13 +190,13 @@ table inet filter {
}
EOF
timeout "$timeout" ip netns exec "$nsrouter" socat -u "$socat_ipproto" udp-listen:12345,fork,ip-transparent,reuseport udp:"$ns1_ip_port",ip-transparent,reuseport,bind="$ns2_ip_port" 2>/dev/null &
timeout "$timeout" ip netns exec "$nsrouter" socat -u "$socat_ipproto" udp-listen:12345,fork,ip-transparent,reuseport,shut-none udp:"$ns1_ip_port",ip-transparent,reuseport,bind="$ns2_ip_port",shut-none 2>/dev/null &
local tproxy_pid=$!
timeout "$timeout" ip netns exec "$ns2" socat "$socat_ipproto" udp-listen:8080,fork SYSTEM:"echo PONG_NS2" 2>/dev/null &
timeout "$timeout" ip netns exec "$ns2" socat "$socat_ipproto" udp-listen:8080,fork,shut-none SYSTEM:"echo PONG_NS2" 2>/dev/null &
local server2_pid=$!
timeout "$timeout" ip netns exec "$ns3" socat "$socat_ipproto" udp-listen:8080,fork SYSTEM:"echo PONG_NS3" 2>/dev/null &
timeout "$timeout" ip netns exec "$ns3" socat "$socat_ipproto" udp-listen:8080,fork,shut-none SYSTEM:"echo PONG_NS3" 2>/dev/null &
local server3_pid=$!
busywait "$BUSYWAIT_TIMEOUT" listener_ready "$nsrouter" 12345 "-u"
@ -205,7 +205,7 @@ EOF
local result
# request from ns1 to ns2 (forwarded traffic)
result=$(echo I_M_PROXIED | ip netns exec "$ns1" socat -t 2 -T 2 STDIO udp:"$ns2_ip_port",sourceport=18888)
result=$(echo I_M_PROXIED | ip netns exec "$ns1" socat -t 2 -T 2 STDIO udp:"$ns2_ip_port",sourceport=18888,shut-none)
if [ "$result" == "$expect_ns1_ns2" ] ;then
echo "PASS: tproxy test $testname: ns1 got reply \"$result\" connecting to ns2"
else
@ -214,7 +214,7 @@ EOF
fi
# request from ns1 to ns3 (forwarded traffic)
result=$(echo I_M_PROXIED | ip netns exec "$ns1" socat -t 2 -T 2 STDIO udp:"$ns3_ip_port")
result=$(echo I_M_PROXIED | ip netns exec "$ns1" socat -t 2 -T 2 STDIO udp:"$ns3_ip_port",shut-none)
if [ "$result" = "$expect_ns1_ns3" ] ;then
echo "PASS: tproxy test $testname: ns1 got reply \"$result\" connecting to ns3"
else
@ -223,7 +223,7 @@ EOF
fi
# request from nsrouter to ns2 (localy originated traffic)
result=$(echo I_M_PROXIED | ip netns exec "$nsrouter" socat -t 2 -T 2 STDIO udp:"$ns2_ip_port")
result=$(echo I_M_PROXIED | ip netns exec "$nsrouter" socat -t 2 -T 2 STDIO udp:"$ns2_ip_port",shut-none)
if [ "$result" == "$expect_nsrouter_ns2" ] ;then
echo "PASS: tproxy test $testname: nsrouter got reply \"$result\" connecting to ns2"
else
@ -232,7 +232,7 @@ EOF
fi
# request from nsrouter to ns3 (localy originated traffic)
result=$(echo I_M_PROXIED | ip netns exec "$nsrouter" socat -t 2 -T 2 STDIO udp:"$ns3_ip_port")
result=$(echo I_M_PROXIED | ip netns exec "$nsrouter" socat -t 2 -T 2 STDIO udp:"$ns3_ip_port",shut-none)
if [ "$result" = "$expect_nsrouter_ns3" ] ;then
echo "PASS: tproxy test $testname: nsrouter got reply \"$result\" connecting to ns3"
else