firewall4/tests/06_includes/01_nft_includes

Testing the correct placement of potential include positions.

-- 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~_sys_class_net_eth0_flags.txt --
0x1103
-- End --

-- File fs/open~_usr_share_nftables_d_include-ruleset-start_nft.txt --
# dummy
-- End --

-- File fs/open~_usr_share_nftables_d_include-table-start_nft.txt --
# dummy
-- End --

-- File fs/open~_usr_share_nftables_d_include-chain-start-forward_nft.txt --
# dummy
-- End --

-- File fs/open~_usr_share_nftables_d_include-chain-end-forward_nft.txt --
# dummy
-- End --

-- File fs/open~_usr_share_nftables_d_include-table-end-1_nft.txt --
# dummy
-- End --

-- File fs/open~_usr_share_nftables_d_include-table-end-2_nft.txt --
# dummy
-- End --

-- File fs/open~_usr_share_nftables_d_include-ruleset-end_nft.txt --
# dummy
-- End --

-- File uci/firewall.json --
{
	"zone": [
		{
			"name": "test",
			"device": [ "eth0" ],
			"auto_helper": 0
		}
	],
	"include": [
		{
			".description": "Position 'table-pre' (or 'table-prepend') will place an include before the first chain",
			"path": "/usr/share/nftables.d/include-table-start.nft",
			"type": "nftables",
			"position": "table-pre"
		},

		{
			".description": "Position defaults to 'table-append', means after the last chain in the table scope",
			"path": "/usr/share/nftables.d/include-table-end-1.nft",
			"type": "nftables"
		},

		{
			".description": "Position 'table-post' (or 'table-postpend') may be used as alias for 'table-append'",
			"path": "/usr/share/nftables.d/include-table-end-2.nft",
			"type": "nftables",
			"position": "table-post"
		},

		{
			".description": "Position 'ruleset-pre' (or 'ruleset-prepend') will place an include before the table declaration",
			"path": "/usr/share/nftables.d/include-ruleset-start.nft",
			"type": "nftables",
			"position": "ruleset-pre"
		},

		{
			".description": "Position 'ruleset-post' (or 'ruleset-append') will place an include after the table declaration",
			"path": "/usr/share/nftables.d/include-ruleset-end.nft",
			"type": "nftables",
			"position": "ruleset-post"
		},

		{
			".description": "Position 'chain-pre' (or 'chain-prepend') will place an include at the top of a specified chain",
			"path": "/usr/share/nftables.d/include-chain-start-forward.nft",
			"type": "nftables",
			"position": "chain-pre",
			"chain": "forward"
		},

		{
			".description": "Position 'chain-post' (or 'chain-append') will place an include at the bottom of a specified chain",
			"path": "/usr/share/nftables.d/include-chain-end-forward.nft",
			"type": "nftables",
			"position": "chain-post",
			"chain": "forward"
		},

		{
			".description": "Position 'chain-pre' or 'chain-post' without chain option will yield and error",
			"path": "/usr/share/nftables.d/include-chain-end-forward.nft",
			"type": "nftables",
			"position": "chain-post"
		},
	]
}
-- End --

-- Expect stderr --
[!] Section @include[7] must specify 'chain' for position chain-append, ignoring section
-- End --

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

include "/usr/share/nftables.d/include-ruleset-start.nft"

table inet fw4 {
	#
	# Defines
	#

	define test_devices = { "eth0" }
	define test_subnets = {  }


	#
	# User includes
	#

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

	include "/usr/share/nftables.d/include-table-start.nft"


	#
	# Filter rules
	#

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

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

		ct state vmap { established : accept, related : accept } comment "!fw4: Handle inbound flows"
		iifname "eth0" jump input_test comment "!fw4: Handle test IPv4/IPv6 input traffic"
	}

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

		include "/usr/share/nftables.d/include-chain-start-forward.nft"
		ct state vmap { established : accept, related : accept } comment "!fw4: Handle forwarded flows"
		iifname "eth0" jump forward_test comment "!fw4: Handle test IPv4/IPv6 forward traffic"
		include "/usr/share/nftables.d/include-chain-end-forward.nft"
	}

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

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

		ct state vmap { established : accept, related : accept } comment "!fw4: Handle outbound flows"
		oifname "eth0" jump output_test comment "!fw4: Handle test IPv4/IPv6 output traffic"
	}

	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"
	}

	chain input_test {
		jump drop_from_test
	}

	chain output_test {
		jump drop_to_test
	}

	chain forward_test {
		jump drop_to_test
	}

	chain drop_from_test {
		iifname "eth0" counter drop comment "!fw4: drop test IPv4/IPv6 traffic"
	}

	chain drop_to_test {
		oifname "eth0" counter drop comment "!fw4: drop test IPv4/IPv6 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;
	}

	include "/usr/share/nftables.d/include-table-end-1.nft"
	include "/usr/share/nftables.d/include-table-end-2.nft"
}

include "/usr/share/nftables.d/include-ruleset-end.nft"
-- End --