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selftests: netfilter: nft_conntrack_helper.sh: test to lib.sh infra
prefer socat over nc, nc has too many incompatible versions around. Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20240411233624.8129-13-fw@strlen.de Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Florian Westphal
Jakub Kicinski
parent
f51fe02561
commit
fa03bb7c8c
@ -5,72 +5,48 @@
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# 2. auto-assign still works.
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#
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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source lib.sh
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ret=0
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sfx=$(mktemp -u "XXXXXXXX")
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ns1="ns1-$sfx"
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ns2="ns2-$sfx"
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testipv6=1
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checktool "socat -h" "run test without socat"
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checktool "conntrack --version" "run test without conntrack"
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checktool "nft --version" "run test without nft"
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cleanup()
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{
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ip netns del ${ns1}
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ip netns del ${ns2}
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ip netns pids "$ns1" | xargs kill 2>/dev/null
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ip netns del "$ns1"
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ip netns del "$ns2"
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}
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nft --version > /dev/null 2>&1
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if [ $? -ne 0 ];then
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echo "SKIP: Could not run test without nft tool"
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exit $ksft_skip
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fi
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ip -Version > /dev/null 2>&1
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if [ $? -ne 0 ];then
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echo "SKIP: Could not run test without ip tool"
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exit $ksft_skip
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fi
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conntrack -V > /dev/null 2>&1
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if [ $? -ne 0 ];then
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echo "SKIP: Could not run test without conntrack tool"
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exit $ksft_skip
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fi
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which nc >/dev/null 2>&1
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if [ $? -ne 0 ];then
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echo "SKIP: Could not run test without netcat tool"
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exit $ksft_skip
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fi
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trap cleanup EXIT
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ip netns add ${ns1}
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ip netns add ${ns2}
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setup_ns ns1 ns2
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ip link add veth0 netns ${ns1} type veth peer name veth0 netns ${ns2} > /dev/null 2>&1
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if [ $? -ne 0 ];then
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if ! ip link add veth0 netns "$ns1" type veth peer name veth0 netns "$ns2" > /dev/null 2>&1;then
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echo "SKIP: No virtual ethernet pair device support in kernel"
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exit $ksft_skip
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fi
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ip -net ${ns1} link set lo up
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ip -net ${ns1} link set veth0 up
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ip -net "$ns1" link set veth0 up
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ip -net "$ns2" link set veth0 up
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ip -net ${ns2} link set lo up
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ip -net ${ns2} link set veth0 up
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ip -net "$ns1" addr add 10.0.1.1/24 dev veth0
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ip -net "$ns1" addr add dead:1::1/64 dev veth0 nodad
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ip -net ${ns1} addr add 10.0.1.1/24 dev veth0
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ip -net ${ns1} addr add dead:1::1/64 dev veth0
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ip -net ${ns2} addr add 10.0.1.2/24 dev veth0
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ip -net ${ns2} addr add dead:1::2/64 dev veth0
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ip -net "$ns2" addr add 10.0.1.2/24 dev veth0
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ip -net "$ns2" addr add dead:1::2/64 dev veth0 nodad
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load_ruleset_family() {
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local family=$1
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local ns=$2
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ip netns exec ${ns} nft -f - <<EOF
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ip netns exec "$ns" nft -f - <<EOF
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table $family raw {
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ct helper ftp {
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type "ftp" protocol tcp
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@ -94,22 +70,21 @@ check_for_helper()
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local message=$2
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local port=$3
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if echo $message |grep -q 'ipv6';then
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if echo "$message" |grep -q 'ipv6';then
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local family="ipv6"
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else
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local family="ipv4"
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fi
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ip netns exec ${netns} conntrack -L -f $family -p tcp --dport $port 2> /dev/null |grep -q 'helper=ftp'
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if [ $? -ne 0 ] ; then
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if [ $autoassign -eq 0 ] ;then
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if ! ip netns exec "$netns" conntrack -L -f $family -p tcp --dport "$port" 2> /dev/null |grep -q 'helper=ftp';then
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if [ "$autoassign" -eq 0 ] ;then
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echo "FAIL: ${netns} did not show attached helper $message" 1>&2
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ret=1
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else
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echo "PASS: ${netns} did not show attached helper $message" 1>&2
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fi
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else
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if [ $autoassign -eq 0 ] ;then
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if [ "$autoassign" -eq 0 ] ;then
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echo "PASS: ${netns} connection on port $port has ftp helper attached" 1>&2
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else
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echo "FAIL: ${netns} connection on port $port has ftp helper attached" 1>&2
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@ -120,69 +95,68 @@ check_for_helper()
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return 0
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}
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listener_ready()
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{
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ns="$1"
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port="$2"
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proto="$3"
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ss -N "$ns" -lnt -o "sport = :$port" | grep -q "$port"
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}
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test_helper()
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{
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local port=$1
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local autoassign=$2
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if [ $autoassign -eq 0 ] ;then
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if [ "$autoassign" -eq 0 ] ;then
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msg="set via ruleset"
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else
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msg="auto-assign"
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fi
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sleep 3 | ip netns exec ${ns2} nc -w 2 -l -p $port > /dev/null &
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ip netns exec "$ns2" socat -t 3 -u -4 TCP-LISTEN:"$port",reuseaddr STDOUT > /dev/null &
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busywait "$BUSYWAIT_TIMEOUT" listener_ready "$ns2" "$port" "-4"
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sleep 1 | ip netns exec ${ns1} nc -w 2 10.0.1.2 $port > /dev/null &
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sleep 1
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ip netns exec "$ns1" socat -u -4 STDIN TCP:10.0.1.2:"$port" < /dev/null > /dev/null
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check_for_helper "$ns1" "ip $msg" $port $autoassign
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check_for_helper "$ns2" "ip $msg" $port $autoassign
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wait
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check_for_helper "$ns1" "ip $msg" "$port" "$autoassign"
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check_for_helper "$ns2" "ip $msg" "$port" "$autoassign"
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if [ $testipv6 -eq 0 ] ;then
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return 0
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fi
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ip netns exec ${ns1} conntrack -F 2> /dev/null
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ip netns exec ${ns2} conntrack -F 2> /dev/null
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ip netns exec "$ns1" conntrack -F 2> /dev/null
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ip netns exec "$ns2" conntrack -F 2> /dev/null
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sleep 3 | ip netns exec ${ns2} nc -w 2 -6 -l -p $port > /dev/null &
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ip netns exec "$ns2" socat -t 3 -u -6 TCP-LISTEN:"$port",reuseaddr STDOUT > /dev/null &
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busywait $BUSYWAIT_TIMEOUT listener_ready "$ns2" "$port" "-6"
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sleep 1 | ip netns exec ${ns1} nc -w 2 -6 dead:1::2 $port > /dev/null &
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sleep 1
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ip netns exec "$ns1" socat -t 3 -u -6 STDIN TCP:"[dead:1::2]":"$port" < /dev/null > /dev/null
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check_for_helper "$ns1" "ipv6 $msg" $port
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check_for_helper "$ns2" "ipv6 $msg" $port
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wait
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check_for_helper "$ns1" "ipv6 $msg" "$port"
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check_for_helper "$ns2" "ipv6 $msg" "$port"
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}
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load_ruleset_family ip ${ns1}
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if [ $? -ne 0 ];then
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if ! load_ruleset_family ip "$ns1"; then
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echo "FAIL: ${ns1} cannot load ip ruleset" 1>&2
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exit 1
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fi
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load_ruleset_family ip6 ${ns1}
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if [ $? -ne 0 ];then
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if ! load_ruleset_family ip6 "$ns1"; then
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echo "SKIP: ${ns1} cannot load ip6 ruleset" 1>&2
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testipv6=0
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fi
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load_ruleset_family inet ${ns2}
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if [ $? -ne 0 ];then
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if ! load_ruleset_family inet "${ns2}"; then
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echo "SKIP: ${ns1} cannot load inet ruleset" 1>&2
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load_ruleset_family ip ${ns2}
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if [ $? -ne 0 ];then
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if ! load_ruleset_family ip "${ns2}"; then
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echo "FAIL: ${ns2} cannot load ip ruleset" 1>&2
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exit 1
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fi
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if [ $testipv6 -eq 1 ] ;then
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load_ruleset_family ip6 ${ns2}
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if [ $? -ne 0 ];then
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if [ "$testipv6" -eq 1 ] ;then
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if ! load_ruleset_family ip6 "$ns2"; then
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echo "FAIL: ${ns2} cannot load ip6 ruleset" 1>&2
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exit 1
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fi
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@ -190,8 +164,8 @@ if [ $? -ne 0 ];then
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fi
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test_helper 2121 0
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ip netns exec ${ns1} sysctl -qe 'net.netfilter.nf_conntrack_helper=1'
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ip netns exec ${ns2} sysctl -qe 'net.netfilter.nf_conntrack_helper=1'
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ip netns exec "$ns1" sysctl -qe 'net.netfilter.nf_conntrack_helper=1'
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ip netns exec "$ns2" sysctl -qe 'net.netfilter.nf_conntrack_helper=1'
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test_helper 21 1
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exit $ret
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