pyrox.dev
1# Test the firewall module.
2
3import ./make-test.nix ( { pkgs, ... } : {
4 name = "firewall";
5 meta = with pkgs.stdenv.lib.maintainers; {
6 maintainers = [ eelco chaoflow ];
7 };
8
9 nodes =
10 { walled =
11 { config, pkgs, nodes, ... }:
12 { networking.firewall.enable = true;
13 networking.firewall.logRefusedPackets = true;
14 services.httpd.enable = true;
15 services.httpd.adminAddr = "foo@example.org";
16 };
17
18 attacker =
19 { config, pkgs, ... }:
20 { services.httpd.enable = true;
21 services.httpd.adminAddr = "foo@example.org";
22 networking.firewall.enable = false;
23 };
24 };
25
26 testScript =
27 { nodes, ... }:
28 ''
29 startAll;
30
31 $walled->waitForUnit("firewall");
32 $walled->waitForUnit("httpd");
33 $attacker->waitForUnit("network.target");
34
35 # Local connections should still work.
36 $walled->succeed("curl -v http://localhost/ >&2");
37
38 # Connections to the firewalled machine should fail, but ping should succeed.
39 $attacker->fail("curl --fail --connect-timeout 2 http://walled/ >&2");
40 $attacker->succeed("ping -c 1 walled >&2");
41
42 # Outgoing connections/pings should still work.
43 $walled->succeed("curl -v http://attacker/ >&2");
44 $walled->succeed("ping -c 1 attacker >&2");
45
46 # If we stop the firewall, then connections should succeed.
47 $walled->stopJob("firewall");
48 $attacker->succeed("curl -v http://walled/ >&2");
49 '';
50})