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 --

• Git
• Wiki