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|
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;
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"
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;
oif "lo" accept comment "!fw4: Accept traffic towards loopback"
ct state vmap { established : accept, related : accept } comment "!fw4: Handle outbound 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 --
|
