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|
Testing that `config rule` rules are rendered before `config forwarding` ones
and that rules are rendered in the order they're declared.
-- Testcase --
{%
include("./root/usr/share/firewall4/main.uc", {
TRACE_CALLS: "stderr",
getenv: function(varname) {
switch (varname) {
case 'ACTION':
return 'print';
}
}
})
%}
-- End --
-- File uci/helpers.json --
{}
-- End --
-- File uci/firewall.json --
{
"zone": [
{
"name": "lan",
"network": "lan",
"auto_helper": 0
},
{
"name": "wan",
"network": "wan",
"auto_helper": 0
}
],
"forwarding": [
{
"src": "lan",
"dest": "wan"
}
],
"rule": [
{
"name": "Deny rule #1",
"proto": "any",
"src": "lan",
"dest": "wan",
"src_ip": [ "192.168.1.2" ],
"target": "drop"
},
{
"name": "Deny rule #2",
"proto": "icmp",
"src": "lan",
"dest": "wan",
"src_ip": [ "192.168.1.3" ],
"target": "drop"
}
]
}
-- End --
-- Expect stdout --
table inet fw4
flush table inet fw4
table inet fw4 {
#
# Defines
#
define lan_devices = { "br-lan" }
define lan_subnets = { 10.0.0.0/24, 192.168.26.0/24, 2001:db8:1000::/60, fd63:e2f:f706::/60 }
define wan_devices = { "pppoe-wan" }
define wan_subnets = { 10.11.12.0/24 }
#
# 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"
iifname "br-lan" jump input_lan comment "!fw4: Handle lan IPv4/IPv6 input traffic"
iifname "pppoe-wan" jump input_wan comment "!fw4: Handle wan IPv4/IPv6 input traffic"
}
chain forward {
type filter hook forward priority filter; policy drop;
ct state vmap { established : accept, related : accept } comment "!fw4: Handle forwarded flows"
iifname "br-lan" jump forward_lan comment "!fw4: Handle lan IPv4/IPv6 forward traffic"
iifname "pppoe-wan" jump forward_wan comment "!fw4: Handle wan IPv4/IPv6 forward traffic"
}
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 "br-lan" jump output_lan comment "!fw4: Handle lan IPv4/IPv6 output traffic"
oifname "pppoe-wan" jump output_wan comment "!fw4: Handle wan 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_lan {
jump drop_from_lan
}
chain output_lan {
jump drop_to_lan
}
chain forward_lan {
ip saddr 192.168.1.2 counter jump drop_to_wan comment "!fw4: Deny rule #1"
meta l4proto icmp ip saddr 192.168.1.3 counter jump drop_to_wan comment "!fw4: Deny rule #2"
jump accept_to_wan comment "!fw4: Accept lan to wan forwarding"
jump drop_to_lan
}
chain drop_from_lan {
iifname "br-lan" counter drop comment "!fw4: drop lan IPv4/IPv6 traffic"
}
chain drop_to_lan {
oifname "br-lan" counter drop comment "!fw4: drop lan IPv4/IPv6 traffic"
}
chain input_wan {
jump drop_from_wan
}
chain output_wan {
jump drop_to_wan
}
chain forward_wan {
jump drop_to_wan
}
chain accept_to_wan {
oifname "pppoe-wan" counter accept comment "!fw4: accept wan IPv4/IPv6 traffic"
}
chain drop_from_wan {
iifname "pppoe-wan" counter drop comment "!fw4: drop wan IPv4/IPv6 traffic"
}
chain drop_to_wan {
oifname "pppoe-wan" counter drop comment "!fw4: drop wan 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;
}
}
-- End --
-- Expect stderr --
[call] ctx.call object <network.interface> method <dump> args <null>
[call] ctx.call object <service> method <get_data> args <{ "type": "firewall" }>
[call] fs.open path </proc/version> mode <r>
[call] fs.glob pattern </usr/share/nftables.d/ruleset-pre/*.nft>
[call] fs.glob pattern </usr/share/nftables.d/ruleset-post/*.nft>
[call] fs.glob pattern </usr/share/nftables.d/table-pre/*.nft>
[call] fs.glob pattern </usr/share/nftables.d/table-post/*.nft>
[call] fs.lsdir path </usr/share/nftables.d/chain-pre>
[call] fs.lsdir path </usr/share/nftables.d/chain-post>
[call] fs.popen cmdline </usr/sbin/nft --terse --json list flowtables inet> mode <r>
-- End --
|
