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|
Testing zone helper assignments
-- Testcase --
{%
include("./root/usr/share/firewall4/main.uc", {
getenv: function(varname) {
switch (varname) {
case 'ACTION':
return 'print';
}
}
})
%}
-- End --
-- File fs/open~_sys_class_net_zone1_flags.txt --
0x1103
-- End --
-- File fs/open~_sys_class_net_zone2_flags.txt --
0x1103
-- End --
-- File fs/open~_sys_class_net_zone3_flags.txt --
0x1103
-- End --
-- File fs/open~_sys_class_net_zone4_flags.txt --
0x1103
-- End --
-- File fs/open~_sys_class_net_zone5_flags.txt --
0x1103
-- End --
-- File uci/firewall.json --
{
"zone": [
{
".description": "Setting masq to true for a zone with a helper should emit a helper chain for the zone with the configured helper",
"name": "test1",
"device": "zone1",
"masq": "1",
"helper": [ "tftp" ]
},
{
".description": "Setting masq6 to true for a zone with a helper should emit a helper chain for the zone with the configured helper",
"name": "test2",
"device": "zone2",
"masq6": "1",
"helper": [ "tftp" ]
},
{
".description": "Disabling both masq and masq6 for a zone with a helper should emit a helper chain for the zone with the configured helper",
"name": "test3",
"device": "zone3",
"masq": "0",
"masq6": "0",
"helper": [ "tftp" ]
},
{
".description": "Disabling both masq and masq6 for a zone with a helper should configure default helper assignment",
"name": "test4",
"device": "zone4",
"masq": "0",
"masq6": "0",
},
{
".description": "Specifying an invalid helper should write a warning to stderr",
"name": "test5",
"device": "zone5",
"masq": "0",
"masq6": "0",
"helper": [ "foo" ]
}
]
}
-- End --
-- Expect stdout --
table inet fw4
flush table inet fw4
table inet fw4 {
#
# CT helper definitions
#
ct helper amanda {
type "amanda" protocol udp;
}
ct helper ftp {
type "ftp" protocol tcp;
}
ct helper RAS {
type "RAS" protocol udp;
}
ct helper Q.931 {
type "Q.931" protocol tcp;
}
ct helper irc {
type "irc" protocol tcp;
}
ct helper netbios-ns {
type "netbios-ns" protocol udp;
}
ct helper pptp {
type "pptp" protocol tcp;
}
ct helper sane {
type "sane" protocol tcp;
}
ct helper sip {
type "sip" protocol udp;
}
ct helper snmp {
type "snmp" protocol udp;
}
ct helper tftp {
type "tftp" protocol udp;
}
ct helper rtsp {
type "rtsp" protocol tcp;
}
#
# Defines
#
define test1_devices = { "zone1" }
define test1_subnets = { }
define test2_devices = { "zone2" }
define test2_subnets = { }
define test3_devices = { "zone3" }
define test3_subnets = { }
define test4_devices = { "zone4" }
define test4_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"
iifname "zone1" jump input_test1 comment "!fw4: Handle test1 IPv4/IPv6 input traffic"
iifname "zone2" jump input_test2 comment "!fw4: Handle test2 IPv4/IPv6 input traffic"
iifname "zone3" jump input_test3 comment "!fw4: Handle test3 IPv4/IPv6 input traffic"
iifname "zone4" jump input_test4 comment "!fw4: Handle test4 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 "zone1" jump forward_test1 comment "!fw4: Handle test1 IPv4/IPv6 forward traffic"
iifname "zone2" jump forward_test2 comment "!fw4: Handle test2 IPv4/IPv6 forward traffic"
iifname "zone3" jump forward_test3 comment "!fw4: Handle test3 IPv4/IPv6 forward traffic"
iifname "zone4" jump forward_test4 comment "!fw4: Handle test4 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 "zone1" jump output_test1 comment "!fw4: Handle test1 IPv4/IPv6 output traffic"
oifname "zone2" jump output_test2 comment "!fw4: Handle test2 IPv4/IPv6 output traffic"
oifname "zone3" jump output_test3 comment "!fw4: Handle test3 IPv4/IPv6 output traffic"
oifname "zone4" jump output_test4 comment "!fw4: Handle test4 IPv4/IPv6 output traffic"
}
chain prerouting {
type filter hook prerouting priority filter; policy accept;
iifname "zone1" jump helper_test1 comment "!fw4: Handle test1 IPv4/IPv6 helper assignment"
iifname "zone2" jump helper_test2 comment "!fw4: Handle test2 IPv4/IPv6 helper assignment"
iifname "zone3" jump helper_test3 comment "!fw4: Handle test3 IPv4/IPv6 helper assignment"
iifname "zone4" jump helper_test4 comment "!fw4: Handle test4 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 helper_test1 {
meta l4proto udp udp dport 69 ct helper set "tftp" comment "!fw4: TFTP connection tracking"
}
chain drop_from_test1 {
iifname "zone1" counter drop comment "!fw4: drop test1 IPv4/IPv6 traffic"
}
chain drop_to_test1 {
oifname "zone1" counter drop comment "!fw4: drop test1 IPv4/IPv6 traffic"
}
chain input_test2 {
jump drop_from_test2
}
chain output_test2 {
jump drop_to_test2
}
chain forward_test2 {
jump drop_to_test2
}
chain helper_test2 {
meta l4proto udp udp dport 69 ct helper set "tftp" comment "!fw4: TFTP connection tracking"
}
chain drop_from_test2 {
iifname "zone2" counter drop comment "!fw4: drop test2 IPv4/IPv6 traffic"
}
chain drop_to_test2 {
oifname "zone2" counter drop comment "!fw4: drop test2 IPv4/IPv6 traffic"
}
chain input_test3 {
jump drop_from_test3
}
chain output_test3 {
jump drop_to_test3
}
chain forward_test3 {
jump drop_to_test3
}
chain helper_test3 {
meta l4proto udp udp dport 69 ct helper set "tftp" comment "!fw4: TFTP connection tracking"
}
chain drop_from_test3 {
iifname "zone3" counter drop comment "!fw4: drop test3 IPv4/IPv6 traffic"
}
chain drop_to_test3 {
oifname "zone3" counter drop comment "!fw4: drop test3 IPv4/IPv6 traffic"
}
chain input_test4 {
jump drop_from_test4
}
chain output_test4 {
jump drop_to_test4
}
chain forward_test4 {
jump drop_to_test4
}
chain helper_test4 {
meta l4proto udp udp dport 10080 ct helper set "amanda" comment "!fw4: Amanda backup and archiving proto"
meta l4proto tcp tcp dport 21 ct helper set "ftp" comment "!fw4: FTP passive connection tracking"
meta l4proto udp udp dport 1719 ct helper set "RAS" comment "!fw4: RAS proto tracking"
meta l4proto tcp tcp dport 1720 ct helper set "Q.931" comment "!fw4: Q.931 proto tracking"
meta nfproto ipv4 meta l4proto tcp tcp dport 6667 ct helper set "irc" comment "!fw4: IRC DCC connection tracking"
meta nfproto ipv4 meta l4proto udp udp dport 137 ct helper set "netbios-ns" comment "!fw4: NetBIOS name service broadcast tracking"
meta nfproto ipv4 meta l4proto tcp tcp dport 1723 ct helper set "pptp" comment "!fw4: PPTP VPN connection tracking"
meta l4proto tcp tcp dport 6566 ct helper set "sane" comment "!fw4: SANE scanner connection tracking"
meta l4proto udp udp dport 5060 ct helper set "sip" comment "!fw4: SIP VoIP connection tracking"
meta nfproto ipv4 meta l4proto udp udp dport 161 ct helper set "snmp" comment "!fw4: SNMP monitoring connection tracking"
meta l4proto udp udp dport 69 ct helper set "tftp" comment "!fw4: TFTP connection tracking"
meta nfproto ipv4 meta l4proto tcp tcp dport 554 ct helper set "rtsp" comment "!fw4: RTSP connection tracking"
}
chain drop_from_test4 {
iifname "zone4" counter drop comment "!fw4: drop test4 IPv4/IPv6 traffic"
}
chain drop_to_test4 {
oifname "zone4" counter drop comment "!fw4: drop test4 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;
oifname "zone1" jump srcnat_test1 comment "!fw4: Handle test1 IPv4/IPv6 srcnat traffic"
oifname "zone2" jump srcnat_test2 comment "!fw4: Handle test2 IPv4/IPv6 srcnat traffic"
}
chain srcnat_test1 {
meta nfproto ipv4 masquerade comment "!fw4: Masquerade IPv4 test1 traffic"
}
chain srcnat_test2 {
meta nfproto ipv6 masquerade comment "!fw4: Masquerade IPv6 test2 traffic"
}
#
# 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 --
[!] Section @zone[4] (test5) option 'helper' specifies invalid value 'foo'
[!] Section @zone[4] (test5) skipped due to invalid options
-- End --
|
