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|
Test that the zone family is honoured regardless of whether subnets are
specified or not.
-- Testcase --
{%
include("./root/usr/share/firewall4/main.uc", {
getenv: function(varname) {
switch (varname) {
case 'ACTION':
return 'print';
}
}
})
%}
-- End --
-- File uci/helpers.json --
{
"helper" : [
{
"description" : "An example IPv4-only conntrack helper",
"family" : "ipv4",
"module" : "nf_conntrack_dummy",
"name" : "test",
"port" : 1234,
"proto" : "tcp"
}
]
}
-- End --
-- File uci/firewall.json --
{
"zone": [
{
".description": "Family any with IPv4 subnet should emit only IPv4 rules",
"name": "test1",
"family": "any",
"subnet": [ "10.0.0.0/8" ],
"auto_helper": 0
},
{
".description": "Family any with IPv6 subnet should emit only IPv6 rules",
"name": "test2",
"family": "any",
"subnet": [ "2001:db8:1234::1/64" ],
"auto_helper": 0
},
{
".description": "Family IPv6 with IPv6 subnet should emit only IPv6 rules",
"name": "test3",
"family": "ipv6",
"subnet": [ "2001:db8:1234::1/64" ],
"auto_helper": 0
},
{
".description": "Family IPv6 with IPv4 subnet should emit no rules",
"name": "test4",
"family": "ipv6",
"subnet": [ "2001:db8:1234::1/64" ],
"auto_helper": 0
},
{
".description": "Family IPv6 with no subnets should emit only IPv6 rules",
"name": "test5",
"family": "ipv6",
"device": [ "eth0" ],
"auto_helper": 0
},
{
".description": "Family restrictions of associated ct helpers should not influence zone family selection",
"name": "test6",
"family": "any",
"device": [ "br-lan" ],
"helper": [ "test" ]
}
]
}
-- End --
-- Expect stdout --
table inet fw4
flush table inet fw4
table inet fw4 {
#
# CT helper definitions
#
ct helper test {
type "test" protocol tcp;
}
#
# Defines
#
define test1_devices = { }
define test1_subnets = { 10.0.0.0/8 }
define test2_devices = { }
define test2_subnets = { 2001:db8:1234::/64 }
define test3_devices = { }
define test3_subnets = { 2001:db8:1234::/64 }
define test4_devices = { }
define test4_subnets = { 2001:db8:1234::/64 }
define test5_devices = { "eth0" }
define test5_subnets = { }
define test6_devices = { "br-lan" }
define test6_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"
meta nfproto ipv4 ip saddr 10.0.0.0/8 jump input_test1 comment "!fw4: Handle test1 IPv4 input traffic"
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 jump input_test2 comment "!fw4: Handle test2 IPv6 input traffic"
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 jump input_test3 comment "!fw4: Handle test3 IPv6 input traffic"
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 jump input_test4 comment "!fw4: Handle test4 IPv6 input traffic"
meta nfproto ipv6 iifname "eth0" jump input_test5 comment "!fw4: Handle test5 IPv6 input traffic"
iifname "br-lan" jump input_test6 comment "!fw4: Handle test6 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"
meta nfproto ipv4 ip saddr 10.0.0.0/8 jump forward_test1 comment "!fw4: Handle test1 IPv4 forward traffic"
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 jump forward_test2 comment "!fw4: Handle test2 IPv6 forward traffic"
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 jump forward_test3 comment "!fw4: Handle test3 IPv6 forward traffic"
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 jump forward_test4 comment "!fw4: Handle test4 IPv6 forward traffic"
meta nfproto ipv6 iifname "eth0" jump forward_test5 comment "!fw4: Handle test5 IPv6 forward traffic"
iifname "br-lan" jump forward_test6 comment "!fw4: Handle test6 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"
meta nfproto ipv4 ip daddr 10.0.0.0/8 jump output_test1 comment "!fw4: Handle test1 IPv4 output traffic"
meta nfproto ipv6 ip6 daddr 2001:db8:1234::/64 jump output_test2 comment "!fw4: Handle test2 IPv6 output traffic"
meta nfproto ipv6 ip6 daddr 2001:db8:1234::/64 jump output_test3 comment "!fw4: Handle test3 IPv6 output traffic"
meta nfproto ipv6 ip6 daddr 2001:db8:1234::/64 jump output_test4 comment "!fw4: Handle test4 IPv6 output traffic"
meta nfproto ipv6 oifname "eth0" jump output_test5 comment "!fw4: Handle test5 IPv6 output traffic"
oifname "br-lan" jump output_test6 comment "!fw4: Handle test6 IPv4/IPv6 output traffic"
}
chain prerouting {
type filter hook prerouting priority filter; policy accept;
iifname "br-lan" jump helper_test6 comment "!fw4: Handle test6 IPv4/IPv6 helper assignment"
}
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_test1 {
jump drop_from_test1
}
chain output_test1 {
jump drop_to_test1
}
chain forward_test1 {
jump drop_to_test1
}
chain drop_from_test1 {
meta nfproto ipv4 ip saddr 10.0.0.0/8 counter drop comment "!fw4: drop test1 IPv4 traffic"
}
chain drop_to_test1 {
meta nfproto ipv4 ip daddr 10.0.0.0/8 counter drop comment "!fw4: drop test1 IPv4 traffic"
}
chain input_test2 {
jump drop_from_test2
}
chain output_test2 {
jump drop_to_test2
}
chain forward_test2 {
jump drop_to_test2
}
chain drop_from_test2 {
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 counter drop comment "!fw4: drop test2 IPv6 traffic"
}
chain drop_to_test2 {
meta nfproto ipv6 ip6 daddr 2001:db8:1234::/64 counter drop comment "!fw4: drop test2 IPv6 traffic"
}
chain input_test3 {
jump drop_from_test3
}
chain output_test3 {
jump drop_to_test3
}
chain forward_test3 {
jump drop_to_test3
}
chain drop_from_test3 {
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 counter drop comment "!fw4: drop test3 IPv6 traffic"
}
chain drop_to_test3 {
meta nfproto ipv6 ip6 daddr 2001:db8:1234::/64 counter drop comment "!fw4: drop test3 IPv6 traffic"
}
chain input_test4 {
jump drop_from_test4
}
chain output_test4 {
jump drop_to_test4
}
chain forward_test4 {
jump drop_to_test4
}
chain drop_from_test4 {
meta nfproto ipv6 ip6 saddr 2001:db8:1234::/64 counter drop comment "!fw4: drop test4 IPv6 traffic"
}
chain drop_to_test4 {
meta nfproto ipv6 ip6 daddr 2001:db8:1234::/64 counter drop comment "!fw4: drop test4 IPv6 traffic"
}
chain input_test5 {
jump drop_from_test5
}
chain output_test5 {
jump drop_to_test5
}
chain forward_test5 {
jump drop_to_test5
}
chain drop_from_test5 {
meta nfproto ipv6 iifname "eth0" counter drop comment "!fw4: drop test5 IPv6 traffic"
}
chain drop_to_test5 {
meta nfproto ipv6 oifname "eth0" counter drop comment "!fw4: drop test5 IPv6 traffic"
}
chain input_test6 {
jump drop_from_test6
}
chain output_test6 {
jump drop_to_test6
}
chain forward_test6 {
jump drop_to_test6
}
chain helper_test6 {
meta nfproto ipv4 meta l4proto tcp tcp dport 1234 ct helper set "test" comment "!fw4: An example IPv4-only conntrack helper"
}
chain drop_from_test6 {
iifname "br-lan" counter drop comment "!fw4: drop test6 IPv4/IPv6 traffic"
}
chain drop_to_test6 {
oifname "br-lan" counter drop comment "!fw4: drop test6 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 --
|
