tests/01_configuration/02_rule_order

   1 Testing that `config rule` rules are rendered before `config forwarding` ones
   2 and that rules are rendered in the order they're declared.
   3
   4 -- Testcase --
   5 {%
   6         include("./root/usr/share/firewall4/main.uc", {
   7                 TRACE_CALLS: "stderr",
   8
   9                 getenv: function(varname) {
  10                         switch (varname) {
  11                         case 'ACTION':
  12                                 return 'print';
  13                         }
  14                 }
  15         })
  16 %}
  17 -- End --
  18
  19 -- File uci/helpers.json --
  20 {}
  21 -- End --
  22
  23 -- File uci/firewall.json --
  24 {
  25         "zone": [
  26                 {
  27                         "name": "lan",
  28                         "network": "lan",
  29                         "auto_helper": 0
  30                 },
  31                 {
  32                         "name": "wan",
  33                         "network": "wan",
  34                         "auto_helper": 0
  35                 }
  36         ],
  37         "forwarding": [
  38                 {
  39                         "src": "lan",
  40                         "dest": "wan"
  41                 }
  42         ],
  43         "rule": [
  44                 {
  45                         "name": "Deny rule #1",
  46                         "proto": "any",
  47                         "src": "lan",
  48                         "dest": "wan",
  49                         "src_ip": [ "192.168.1.2" ],
  50                         "target": "drop"
  51                 },
  52                 {
  53                         "name": "Deny rule #2",
  54                         "proto": "icmp",
  55                         "src": "lan",
  56                         "dest": "wan",
  57                         "src_ip": [ "192.168.1.3" ],
  58                         "target": "drop"
  59                 }
  60         ]
  61 }
  62 -- End --
  63
  64 -- Expect stdout --
  65 table inet fw4
  66 flush table inet fw4
  67
  68 table inet fw4 {
  69         #
  70         # Defines
  71         #
  72
  73         define lan_devices = { "br-lan" }
  74         define lan_subnets = { 10.0.0.0/24, 192.168.26.0/24, 2001:db8:1000::/60, fd63:e2f:f706::/60 }
  75
  76         define wan_devices = { "pppoe-wan" }
  77         define wan_subnets = { 10.11.12.0/24 }
  78
  79
  80         #
  81         # User includes
  82         #
  83
  84         include "/etc/nftables.d/*.nft"
  85
  86
  87         #
  88         # Filter rules
  89         #
  90
  91         chain input {
  92                 type filter hook input priority filter; policy drop;
  93
  94                 iifname "lo" accept comment "!fw4: Accept traffic from loopback"
  95
  96                 ct state vmap { established : accept, related : accept } comment "!fw4: Handle inbound flows"
  97                 iifname "br-lan" jump input_lan comment "!fw4: Handle lan IPv4/IPv6 input traffic"
  98                 iifname "pppoe-wan" jump input_wan comment "!fw4: Handle wan IPv4/IPv6 input traffic"
  99         }
 100
 101         chain forward {
 102                 type filter hook forward priority filter; policy drop;
 103
 104                 ct state vmap { established : accept, related : accept } comment "!fw4: Handle forwarded flows"
 105                 iifname "br-lan" jump forward_lan comment "!fw4: Handle lan IPv4/IPv6 forward traffic"
 106                 iifname "pppoe-wan" jump forward_wan comment "!fw4: Handle wan IPv4/IPv6 forward traffic"
 107         }
 108
 109         chain output {
 110                 type filter hook output priority filter; policy drop;
 111
 112                 oifname "lo" accept comment "!fw4: Accept traffic towards loopback"
 113
 114                 ct state vmap { established : accept, related : accept } comment "!fw4: Handle outbound flows"
 115                 oifname "br-lan" jump output_lan comment "!fw4: Handle lan IPv4/IPv6 output traffic"
 116                 oifname "pppoe-wan" jump output_wan comment "!fw4: Handle wan IPv4/IPv6 output traffic"
 117         }
 118
 119         chain prerouting {
 120                 type filter hook prerouting priority filter; policy accept;
 121         }
 122
 123         chain handle_reject {
 124                 meta l4proto tcp reject with tcp reset comment "!fw4: Reject TCP traffic"
 125                 reject with icmpx type port-unreachable comment "!fw4: Reject any other traffic"
 126         }
 127
 128         chain input_lan {
 129                 jump drop_from_lan
 130         }
 131
 132         chain output_lan {
 133                 jump drop_to_lan
 134         }
 135
 136         chain forward_lan {
 137                 ip saddr 192.168.1.2 counter jump drop_to_wan comment "!fw4: Deny rule #1"
 138                 meta l4proto icmp ip saddr 192.168.1.3 counter jump drop_to_wan comment "!fw4: Deny rule #2"
 139                 jump accept_to_wan comment "!fw4: Accept lan to wan forwarding"
 140                 jump drop_to_lan
 141         }
 142
 143         chain drop_from_lan {
 144                 iifname "br-lan" counter drop comment "!fw4: drop lan IPv4/IPv6 traffic"
 145         }
 146
 147         chain drop_to_lan {
 148                 oifname "br-lan" counter drop comment "!fw4: drop lan IPv4/IPv6 traffic"
 149         }
 150
 151         chain input_wan {
 152                 jump drop_from_wan
 153         }
 154
 155         chain output_wan {
 156                 jump drop_to_wan
 157         }
 158
 159         chain forward_wan {
 160                 jump drop_to_wan
 161         }
 162
 163         chain accept_to_wan {
 164                 oifname "pppoe-wan" counter accept comment "!fw4: accept wan IPv4/IPv6 traffic"
 165         }
 166
 167         chain drop_from_wan {
 168                 iifname "pppoe-wan" counter drop comment "!fw4: drop wan IPv4/IPv6 traffic"
 169         }
 170
 171         chain drop_to_wan {
 172                 oifname "pppoe-wan" counter drop comment "!fw4: drop wan IPv4/IPv6 traffic"
 173         }
 174
 175
 176         #
 177         # NAT rules
 178         #
 179
 180         chain dstnat {
 181                 type nat hook prerouting priority dstnat; policy accept;
 182         }
 183
 184         chain srcnat {
 185                 type nat hook postrouting priority srcnat; policy accept;
 186         }
 187
 188
 189         #
 190         # Raw rules (notrack)
 191         #
 192
 193         chain raw_prerouting {
 194                 type filter hook prerouting priority raw; policy accept;
 195         }
 196
 197         chain raw_output {
 198                 type filter hook output priority raw; policy accept;
 199         }
 200
 201
 202         #
 203         # Mangle rules
 204         #
 205
 206         chain mangle_prerouting {
 207                 type filter hook prerouting priority mangle; policy accept;
 208         }
 209
 210         chain mangle_postrouting {
 211                 type filter hook postrouting priority mangle; policy accept;
 212         }
 213
 214         chain mangle_input {
 215                 type filter hook input priority mangle; policy accept;
 216         }
 217
 218         chain mangle_output {
 219                 type route hook output priority mangle; policy accept;
 220         }
 221
 222         chain mangle_forward {
 223                 type filter hook forward priority mangle; policy accept;
 224         }
 225 }
 226 -- End --
 227
 228 -- Expect stderr --
 229 [call] ctx.call object <network.interface> method <dump> args <null>
 230 [call] ctx.call object <service> method <get_data> args <{ "type": "firewall" }>
 231 [call] fs.open path </proc/version> mode <r>
 232 [call] fs.glob pattern </usr/share/nftables.d/ruleset-pre/*.nft>
 233 [call] fs.glob pattern </usr/share/nftables.d/ruleset-post/*.nft>
 234 [call] fs.glob pattern </usr/share/nftables.d/table-pre/*.nft>
 235 [call] fs.glob pattern </usr/share/nftables.d/table-post/*.nft>
 236 [call] fs.lsdir path </usr/share/nftables.d/chain-pre>
 237 [call] fs.lsdir path </usr/share/nftables.d/chain-post>
 238 [call] fs.popen cmdline </usr/sbin/nft --terse --json list flowtables inet> mode <r>
 239 -- End --