Test matching an ipset in rules.

-- Testcase --
{%
	include("./root/usr/share/firewall4/main.uc", {
		getenv: function(varname) {
			switch (varname) {
			case 'ACTION':
				return 'print';
			}
		}
	})
%}
-- End --

-- File uci/helpers.json --
{}
-- End --

-- File fs/open~_proc_version.txt --
Linux version 5.10.113 (jow@j7) (mipsel-openwrt-linux-musl-gcc (OpenWrt GCC 11.2.0 r17858+262-2c3e8bed3f) 11.2.0, GNU ld (GNU Binutils) 2.37) #0 SMP Tue May 17 19:05:07 2022
-- End --

-- File uci/firewall.json --
{
	"ipset": [
		{
			"name": "test-set-1",
			"comment": "Test set #1 with traffic direction in type declaration",
			"match": [ "src_ip", "dest_port" ],
			"entry": [
				"1.2.3.4 80",
				"5.6.7.8 22"
			]
		},
		{
			"name": "test-set-2",
			"comment": "Test set #2 with unspecified traffic direction",
			"match": [ "ip", "port" ],
			"entry": [
				"1.2.3.4 80",
				"5.6.7.8 22"
			]
		},
		{
			"name": "test-set-3",
			"comment": "Test set #3 with IPv6 addresses",
			"family": "IPv6",
			"match": [ "net", "net", "port" ],
			"entry": [
				"db80:1234:4567::1/64 db80:1234:abcd::1/64 80",
				"db80:8765:aaaa::1/64 db80:8765:ffff::1/64 22",
				"db80:1:2:3:4:0:0:1 0:0:0:0:0:0:0:0/0 443",
			]
		}
	],
	"rule": [
		{
			"name": "Rule using test set #1",
			"src": "*",
			"dest": "*",
			"proto": "tcp",
			"ipset": "test-set-1"
		},
		{
			"name": "Rule using test set #2, match direction should default to 'source'",
			"src": "*",
			"dest": "*",
			"proto": "tcp",
			"ipset": "test-set-2"
		},
		{
			"name": "Rule using test set #1, overriding match direction",
			"src": "*",
			"dest": "*",
			"proto": "tcp",
			"ipset": "test-set-1 dst src"
		},
		{
			"name": "Rule using test set #2, specifiying match direction",
			"src": "*",
			"dest": "*",
			"proto": "tcp",
			"ipset": "test-set-2 dst dst"
		},
		{
			"name": "Rule using test set #1, overriding direction and inverting match",
			"src": "*",
			"dest": "*",
			"proto": "tcp",
			"ipset": "!test-set-1 dst src"
		},
		{
			"name": "Rule using test set #3 with alternative direction notation, should inherit IPv6 family",
			"src": "*",
			"dest": "*",
			"proto": "tcp",
			"ipset": "test-set-3 src,dest,dest"
		},
	]
}
-- End --

-- Expect stdout --
table inet fw4
flush table inet fw4

table inet fw4 {
	#
	# Set definitions
	#

	set test-set-1 {
		comment "Test set #1 with traffic direction in type declaration"
		type ipv4_addr . inet_service
		elements = {
			1.2.3.4 . 80,
			5.6.7.8 . 22,
		}
	}

	set test-set-2 {
		comment "Test set #2 with unspecified traffic direction"
		type ipv4_addr . inet_service
		elements = {
			1.2.3.4 . 80,
			5.6.7.8 . 22,
		}
	}

	set test-set-3 {
		comment "Test set #3 with IPv6 addresses"
		type ipv6_addr . ipv6_addr . inet_service
		auto-merge
		flags interval
		elements = {
			db80:1234:4567::1/64 . db80:1234:abcd::1/64 . 80,
			db80:8765:aaaa::1/64 . db80:8765:ffff::1/64 . 22,
			db80:1:2:3:4::1/128 . ::/0 . 443,
		}
	}


	#
	# Defines
	#


	#
	# User includes
	#

	include "/etc/nftables.d/*.nft"


	#
	# Filter rules
	#

	chain input {
		type filter hook input priority filter; policy drop;

		iifname "lo" accept comment "!fw4: Accept traffic from loopback"

		ct state established,related accept comment "!fw4: Allow inbound established and related flows"
	}

	chain forward {
		type filter hook forward priority filter; policy drop;

		ct state established,related accept comment "!fw4: Allow forwarded established and related flows"
		meta nfproto ipv4 meta l4proto tcp ip saddr . tcp dport @test-set-1 counter comment "!fw4: Rule using test set #1"
		meta nfproto ipv4 meta l4proto tcp ip saddr . tcp sport @test-set-2 counter comment "!fw4: Rule using test set #2, match direction should default to 'source'"
		meta nfproto ipv4 meta l4proto tcp ip daddr . tcp sport @test-set-1 counter comment "!fw4: Rule using test set #1, overriding match direction"
		meta nfproto ipv4 meta l4proto tcp ip daddr . tcp dport @test-set-2 counter comment "!fw4: Rule using test set #2, specifiying match direction"
		meta nfproto ipv4 meta l4proto tcp ip daddr . tcp sport != @test-set-1 counter comment "!fw4: Rule using test set #1, overriding direction and inverting match"
		meta nfproto ipv6 meta l4proto tcp ip6 saddr . ip6 daddr . tcp dport @test-set-3 counter comment "!fw4: Rule using test set #3 with alternative direction notation, should inherit IPv6 family"
	}

	chain output {
		type filter hook output priority filter; policy drop;

		oifname "lo" accept comment "!fw4: Accept traffic towards loopback"

		ct state established,related accept comment "!fw4: Allow outbound established and related flows"
	}

	chain prerouting {
		type filter hook prerouting priority filter; policy accept;
	}

	chain handle_reject {
		meta l4proto tcp reject with tcp reset comment "!fw4: Reject TCP traffic"
		reject with icmpx type port-unreachable comment "!fw4: Reject any other traffic"
	}


	#
	# NAT rules
	#

	chain dstnat {
		type nat hook prerouting priority dstnat; policy accept;
	}

	chain srcnat {
		type nat hook postrouting priority srcnat; policy accept;
	}


	#
	# Raw rules (notrack)
	#

	chain raw_prerouting {
		type filter hook prerouting priority raw; policy accept;
	}

	chain raw_output {
		type filter hook output priority raw; policy accept;
	}


	#
	# Mangle rules
	#

	chain mangle_prerouting {
		type filter hook prerouting priority mangle; policy accept;
	}

	chain mangle_postrouting {
		type filter hook postrouting priority mangle; policy accept;
	}

	chain mangle_input {
		type filter hook input priority mangle; policy accept;
	}

	chain mangle_output {
		type route hook output priority mangle; policy accept;
	}

	chain mangle_forward {
		type filter hook forward priority mangle; policy accept;
	}
}
-- End --