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61 lines
1.9 KiB
Nix
61 lines
1.9 KiB
Nix
# Test the firewall module.
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import ./make-test-python.nix ( { pkgs, nftables, ... } : {
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name = "firewall" + pkgs.lib.optionalString nftables "-nftables";
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meta = with pkgs.lib.maintainers; {
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maintainers = [ ];
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};
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nodes =
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{ walled =
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{ ... }:
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{ networking.firewall.enable = true;
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networking.firewall.logRefusedPackets = true;
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networking.nftables.enable = nftables;
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services.httpd.enable = true;
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services.httpd.adminAddr = "foo@example.org";
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specialisation.different-config.configuration = {
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networking.firewall.rejectPackets = true;
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};
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};
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attacker =
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{ ... }:
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{ services.httpd.enable = true;
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services.httpd.adminAddr = "foo@example.org";
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networking.firewall.enable = false;
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};
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};
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testScript = { nodes, ... }: let
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unit = if nftables then "nftables" else "firewall";
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in ''
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start_all()
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walled.wait_for_unit("${unit}")
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walled.wait_for_unit("httpd")
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attacker.wait_for_unit("network.target")
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# Local connections should still work.
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walled.succeed("curl -v http://localhost/ >&2")
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# Connections to the firewalled machine should fail, but ping should succeed.
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attacker.fail("curl --fail --connect-timeout 2 http://walled/ >&2")
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attacker.succeed("ping -c 1 walled >&2")
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# Outgoing connections/pings should still work.
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walled.succeed("curl -v http://attacker/ >&2")
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walled.succeed("ping -c 1 attacker >&2")
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# If we stop the firewall, then connections should succeed.
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walled.stop_job("${unit}")
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attacker.succeed("curl -v http://walled/ >&2")
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# Check whether activation of a new configuration reloads the firewall.
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walled.succeed(
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"/run/booted-system/specialisation/different-config/bin/switch-to-configuration test 2>&1 | grep -qF ${unit}.service"
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)
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'';
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})
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