From 29e62111d10dee4d63780a20d088225bd17369b7 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Fri, 17 Jun 2022 18:10:19 +0200 Subject: tests: shell: run -c -o on ruleset Just run -o/--optimize on a ruleset. Signed-off-by: Pablo Neira Ayuso --- tests/shell/testcases/optimizations/ruleset | 168 ++++++++++++++++++++++++++++ 1 file changed, 168 insertions(+) create mode 100755 tests/shell/testcases/optimizations/ruleset (limited to 'tests/shell') diff --git a/tests/shell/testcases/optimizations/ruleset b/tests/shell/testcases/optimizations/ruleset new file mode 100755 index 00000000..ef2652db --- /dev/null +++ b/tests/shell/testcases/optimizations/ruleset @@ -0,0 +1,168 @@ +#!/bin/bash + +RULESET="table inet uni { + chain gtfo { + reject with icmpx type host-unreachable + drop + } + + chain filter_in_tcp { + tcp dport vmap { + 80 : accept, + 81 : accept, + 443 : accept, + 931 : accept, + 5001 : accept, + 5201 : accept, + } + tcp dport vmap { + 6800-6999 : accept, + 33434-33499 : accept, + } + + drop + } + + chain filter_in_udp { + udp dport vmap { + 53 : accept, + 123 : accept, + 846 : accept, + 849 : accept, + 5001 : accept, + 5201 : accept, + } + udp dport vmap { + 5300-5399 : accept, + 6800-6999 : accept, + 33434-33499 : accept, + } + + drop + } + + chain filter_in { + type filter hook input priority 0; policy drop; + + ct state vmap { + invalid : drop, + established : accept, + related : accept, + untracked : accept, + } + + ct status vmap { + dnat : accept, + snat : accept, + } + + iif lo accept + + meta iifgroup {100-199} accept + + meta l4proto tcp goto filter_in_tcp + meta l4proto udp goto filter_in_udp + + icmp type vmap { + echo-request : accept, + } + ip6 nexthdr icmpv6 icmpv6 type vmap { + echo-request : accept, + } + } + + chain filter_fwd_ifgroup { + meta iifgroup . oifgroup vmap { + 100 . 10 : accept, + 100 . 100 : accept, + 100 . 101 : accept, + 101 . 101 : accept, + } + goto gtfo + } + + chain filter_fwd { + type filter hook forward priority 0; policy drop; + + fib daddr type broadcast drop + + ct state vmap { + invalid : drop, + established : accept, + related : accept, + untracked : accept, + } + + ct status vmap { + dnat : accept, + snat : accept, + } + + meta iifgroup {100-199} goto filter_fwd_ifgroup + } + + chain nat_fwd_tun { + meta l4proto tcp redirect to :15 + udp dport 53 redirect to :13 + goto gtfo + } + + chain nat_dns_dnstc { meta l4proto udp redirect to :5300 ; drop ; } + chain nat_dns_this_5301 { meta l4proto udp redirect to :5301 ; drop ; } + chain nat_dns_moon_5301 { meta nfproto ipv4 meta l4proto udp dnat to 240.0.1.2:5301 ; drop ; } + chain nat_dns_moon_5302 { meta nfproto ipv4 meta l4proto udp dnat to 240.0.1.2:5302 ; drop ; } + chain nat_dns_moon_5303 { meta nfproto ipv4 meta l4proto udp dnat to 240.0.1.2:5303 ; drop ; } + + chain nat_dns_acme { + udp length 47-63 @th,160,128 0x0e373135363130333131303735353203 \ + goto nat_dns_dnstc + + udp length 62-78 @th,160,128 0x0e31393032383939353831343037320e \ + goto nat_dns_this_5301 + + udp length 62-78 @th,160,128 0x0e31363436323733373931323934300e \ + goto nat_dns_moon_5301 + + udp length 62-78 @th,160,128 0x0e32393535373539353636383732310e \ + goto nat_dns_moon_5302 + + udp length 62-78 @th,160,128 0x0e38353439353637323038363633390e \ + goto nat_dns_moon_5303 + + drop + } + + chain nat_prerouting { + type nat hook prerouting priority -100; policy accept; + + iifgroup 10 udp dport 53 goto nat_dns_acme + iifgroup 10 accept + + ip daddr 198.19.0.0/16 goto nat_fwd_tun + ip6 daddr fc00::/8 goto nat_fwd_tun + + tcp dport 53 redirect to :25302 + udp dport 53 redirect to :25302 + } + + chain nat_output { + type nat hook output priority -100; policy accept; + + ip daddr 198.19.0.0/16 goto nat_fwd_tun + ip6 daddr fc00::/8 goto nat_fwd_tun + } + + chain nat_postrouting { + type nat hook postrouting priority 100; policy accept; + + oif != lo masquerade + } + + chain mangle_forward { + type filter hook forward priority -150; policy accept; + + tcp flags & (syn | rst) == syn tcp option maxseg size set rt mtu + } +}" + +$NFT -o -c -f - <<< $RULESET -- cgit v1.2.3