Convert iptabels to nft as it is the replacement for iptables, which is used by default in most releases.
Signed-off-by: Hangbin Liu liuhangbin@gmail.com --- tools/testing/selftests/wireguard/netns.sh | 29 ++++++++++++++-------- 1 file changed, 19 insertions(+), 10 deletions(-)
diff --git a/tools/testing/selftests/wireguard/netns.sh b/tools/testing/selftests/wireguard/netns.sh index 55500f901fbc..8b840fef90af 100755 --- a/tools/testing/selftests/wireguard/netns.sh +++ b/tools/testing/selftests/wireguard/netns.sh @@ -75,6 +75,11 @@ pp ip netns add $netns1 pp ip netns add $netns2 ip0 link set up dev lo
+# init nft tables +n0 nft add table ip wgtest +n1 nft add table ip wgtest +n2 nft add table ip wgtest + ip0 link add dev wg0 type wireguard ip0 link set wg0 netns $netns1 ip0 link add dev wg0 type wireguard @@ -196,13 +201,14 @@ ip1 link set wg0 mtu 1300 ip2 link set wg0 mtu 1300 n1 wg set wg0 peer "$pub2" endpoint 127.0.0.1:2 n2 wg set wg0 peer "$pub1" endpoint 127.0.0.1:1 -n0 iptables -A INPUT -m length --length 1360 -j DROP +n0 nft add chain ip wgtest INPUT { type filter hook input priority filter ; policy accept ; } +n0 nft add rule ip wgtest INPUT meta length 1360 drop n1 ip route add 192.168.241.2/32 dev wg0 mtu 1299 n2 ip route add 192.168.241.1/32 dev wg0 mtu 1299 n2 ping -c 1 -W 1 -s 1269 192.168.241.1 n2 ip route delete 192.168.241.1/32 dev wg0 mtu 1299 n1 ip route delete 192.168.241.2/32 dev wg0 mtu 1299 -n0 iptables -F INPUT +n0 nft flush table ip wgtest
ip1 link set wg0 mtu $orig_mtu ip2 link set wg0 mtu $orig_mtu @@ -335,7 +341,8 @@ n0 bash -c 'printf 1 > /proc/sys/net/ipv4/ip_forward' [[ -e /proc/sys/net/netfilter/nf_conntrack_udp_timeout ]] || modprobe nf_conntrack n0 bash -c 'printf 2 > /proc/sys/net/netfilter/nf_conntrack_udp_timeout' n0 bash -c 'printf 2 > /proc/sys/net/netfilter/nf_conntrack_udp_timeout_stream' -n0 iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -d 10.0.0.0/24 -j SNAT --to 10.0.0.1 +n0 nft add chain ip wgtest POSTROUTING { type nat hook postrouting priority srcnat; policy accept ; } +n0 nft add rule ip wgtest POSTROUTING ip saddr 192.168.1.0/24 ip daddr 10.0.0.0/24 snat to 10.0.0.1
n1 wg set wg0 peer "$pub2" endpoint 10.0.0.100:2 persistent-keepalive 1 n1 ping -W 1 -c 1 192.168.241.2 @@ -349,10 +356,11 @@ n1 wg set wg0 peer "$pub2" persistent-keepalive 0 # Test that sk_bound_dev_if works n1 ping -I wg0 -c 1 -W 1 192.168.241.2 # What about when the mark changes and the packet must be rerouted? -n1 iptables -t mangle -I OUTPUT -j MARK --set-xmark 1 +n1 nft add chain ip wgtest OUTPUT { type route hook output priority mangle; policy accept ; } +n1 nft add rule ip wgtest OUTPUT meta mark set 0x1 n1 ping -c 1 -W 1 192.168.241.2 # First the boring case n1 ping -I wg0 -c 1 -W 1 192.168.241.2 # Then the sk_bound_dev_if case -n1 iptables -t mangle -D OUTPUT -j MARK --set-xmark 1 +n1 nft flush table ip wgtest
# Test that onion routing works, even when it loops n1 wg set wg0 peer "$pub3" allowed-ips 192.168.242.2/32 endpoint 192.168.241.2:5 @@ -386,16 +394,17 @@ n1 ping -W 1 -c 100 -f 192.168.99.7 n1 ping -W 1 -c 100 -f abab::1111
# Have ns2 NAT into wg0 packets from ns0, but return an icmp error along the right route. -n2 iptables -t nat -A POSTROUTING -s 10.0.0.0/24 -d 192.168.241.0/24 -j SNAT --to 192.168.241.2 -n0 iptables -t filter -A INPUT ! -s 10.0.0.0/24 -i vethrs -j DROP # Manual rpfilter just to be explicit. +n2 nft add chain ip wgtest POSTROUTING { type nat hook postrouting priority srcnat; policy accept ; } +n2 nft add rule ip wgtest POSTROUTING ip saddr 10.0.0.0/24 ip daddr 192.168.241.0/24 snat to 192.168.241.2 +n0 nft add chain ip wgtest INPUT { type filter hook input priority filter ; policy accept ; } +n0 nft add rule ip wgtest INPUT iifname "vethrs" ip saddr != 10.0.0.0/24 drop n2 bash -c 'printf 1 > /proc/sys/net/ipv4/ip_forward' ip0 -4 route add 192.168.241.1 via 10.0.0.100 n2 wg set wg0 peer "$pub1" remove [[ $(! n0 ping -W 1 -c 1 192.168.241.1 || false) == *"From 10.0.0.100 icmp_seq=1 Destination Host Unreachable"* ]]
-n0 iptables -t nat -F -n0 iptables -t filter -F -n2 iptables -t nat -F +n0 nft flush table ip wgtest +n2 nft flush table ip wgtest ip0 link del vethrc ip0 link del vethrs ip1 link del wg0