1 files changed, 168 insertions, 0 deletions
diff --git a/tests/shell/testcases/optimizations/ruleset b/tests/shell/testcases/optimizations/ruleset
new file mode 100755
index 0000000..ef2652d
--- /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