diff options
| author |   Florian Westphal <fw@strlen.de> | 2019-12-13 01:19:58 +0100 |
|---|---|---|
| committer |   Pablo Neira Ayuso <pablo@netfilter.org> | 2019-12-20 02:12:27 +0100 |
| commit | d05d5db815d56a0ce203ed297153d9794dfdcb68 (patch) | |
| tree | 2f469b919a74ce9b5effb8ca6099b7d4558f6b9e /tools/testing | |
| parent | netfilter: nf_flow_table: fix big-endian integer overflow (diff) | |
| download | linux-dev-d05d5db815d56a0ce203ed297153d9794dfdcb68.tar.xz linux-dev-d05d5db815d56a0ce203ed297153d9794dfdcb68.zip | |
selftests: netfilter: extend flowtable test script with dnat rule
NAT test currently covers snat (masquerade) only.
Also add a dnat rule and then check that a connecting to the
to-be-dnated address will work.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'tools/testing')
| -rwxr-xr-x | tools/testing/selftests/netfilter/nft_flowtable.sh | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/tools/testing/selftests/netfilter/nft_flowtable.sh b/tools/testing/selftests/netfilter/nft_flowtable.sh index 16571ac1dab4..d3e0809ab368 100755 --- a/tools/testing/selftests/netfilter/nft_flowtable.sh +++ b/tools/testing/selftests/netfilter/nft_flowtable.sh @@ -226,17 +226,19 @@ check_transfer() return 0 } -test_tcp_forwarding() +test_tcp_forwarding_ip() { local nsa=$1 local nsb=$2 + local dstip=$3 + local dstport=$4 local lret=0 ip netns exec $nsb nc -w 5 -l -p 12345 < "$ns2in" > "$ns2out" & lpid=$! sleep 1 - ip netns exec $nsa nc -w 4 10.0.2.99 12345 < "$ns1in" > "$ns1out" & + ip netns exec $nsa nc -w 4 "$dstip" "$dstport" < "$ns1in" > "$ns1out" & cpid=$! sleep 3 @@ -258,6 +260,28 @@ test_tcp_forwarding() return $lret } +test_tcp_forwarding() +{ + test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345 + + return $? +} + +test_tcp_forwarding_nat() +{ + local lret + + test_tcp_forwarding_ip "$1" "$2" 10.0.2.99 12345 + lret=$? + + if [ $lret -eq 0 ] ; then + test_tcp_forwarding_ip "$1" "$2" 10.6.6.6 1666 + lret=$? + fi + + return $lret +} + make_file "$ns1in" "ns1" make_file "$ns2in" "ns2" @@ -283,14 +307,19 @@ ip -net ns2 route add 192.168.10.1 via 10.0.2.1 # Same, but with NAT enabled. ip netns exec nsr1 nft -f - <<EOF table ip nat { + chain prerouting { + type nat hook prerouting priority 0; policy accept; + meta iif "veth0" ip daddr 10.6.6.6 tcp dport 1666 counter dnat ip to 10.0.2.99:12345 + } + chain postrouting { type nat hook postrouting priority 0; policy accept; - meta oifname "veth1" masquerade + meta oifname "veth1" counter masquerade } } EOF -test_tcp_forwarding ns1 ns2 +test_tcp_forwarding_nat ns1 ns2 if [ $? -eq 0 ] ;then echo "PASS: flow offloaded for ns1/ns2 with NAT" @@ -313,7 +342,7 @@ fi ip netns exec ns1 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null ip netns exec ns2 sysctl net.ipv4.ip_no_pmtu_disc=0 > /dev/null -test_tcp_forwarding ns1 ns2 +test_tcp_forwarding_nat ns1 ns2 if [ $? -eq 0 ] ;then echo "PASS: flow offloaded for ns1/ns2 with NAT and pmtu discovery" else |