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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 --
|
