firewall4/tests/03_rules/03_constraints

Testing various option constraints.

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

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

-- File uci/firewall.json --
{
	"zone": [
		{
			"name": "lan"
		}
	],
	"rule": [
		{
			".description": "Helper rules require an explicit source zone",
			"proto": "any",
			"name": "Helper rule #1",
			"target": "helper"
		},
		{
			".description": "Helper rules require a set_helper option",
			"proto": "any",
			"name": "Helper rule #2",
			"src": "lan",
			"target": "helper"
		},

		{
			".description": "Notrack rules require an explicit source zone",
			"proto": "any",
			"name": "Notrack rule",
			"target": "notrack"
		},

		{
			".description": "DSCP target rules require a set_dscp option",
			"proto": "any",
			"name": "DSCP target rule #1",
			"target": "dscp"
		},

		{
			".description": "DSCP matches enforce AF specific rules due to required ip/ip6 prefix",
			"proto": "any",
			"name": "DSCP match rule #1",
			"dscp": "0x0"
		},

		{
			".description": "Mark rules require a set_xmark or set_mark option",
			"proto": "any",
			"name": "Mark rule #1",
			"target": "mark"
		},
	]
}
-- End --

-- Expect stderr --
[!] Section @rule[0] (Helper rule #1) must specify a source zone for target 'helper'
[!] Section @rule[1] (Helper rule #2) must specify option 'set_helper' for target 'helper'
[!] Section @rule[2] (Notrack rule) must specify a source zone for target 'notrack'
[!] Section @rule[3] (DSCP target rule #1) must specify option 'set_dscp' for target 'dscp'
[!] Section @rule[5] (Mark rule #1) must specify option 'set_mark' or 'set_xmark' for target 'mark'
-- End --

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

table inet fw4 {
	#
	# Defines
	#

	define lan_devices = {  }
	define lan_subnets = {  }


	#
	# User includes
	#

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

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

		ct state vmap { established : accept, related : accept } comment "!fw4: Handle forwarded flows"
	}

	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"
		meta nfproto ipv4 ip dscp 0x0 counter comment "!fw4: DSCP match rule #1"
		meta nfproto ipv6 ip6 dscp 0x0 counter comment "!fw4: DSCP match rule #1"
	}

	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_lan {
		jump drop_from_lan
	}

	chain output_lan {
		jump drop_to_lan
	}

	chain forward_lan {
		jump drop_to_lan
	}

	chain helper_lan {
	}

	chain drop_from_lan {
	}

	chain drop_to_lan {
	}


	#
	# 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 --