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114 lines
3.5 KiB
Nix
114 lines
3.5 KiB
Nix
{ pkgs, runTest }:
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let
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inherit (pkgs) lib;
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baseConfig = {
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networking.nameservers = [ "::1" ];
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services.bind = {
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enable = true;
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extraOptions = "empty-zones-enable no;";
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zones = lib.singleton {
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name = ".";
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master = true;
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file = pkgs.writeText "root.zone" ''
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$TTL 3600
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. IN SOA ns.example.org. admin.example.org. ( 1 3h 1h 1w 1d )
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. IN NS ns.example.org.
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ns.example.org. IN A 192.168.0.1
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ns.example.org. IN AAAA abcd::1
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1.0.168.192.in-addr.arpa IN PTR ns.example.org.
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'';
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};
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};
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services.dnsdist = {
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enable = true;
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listenPort = 5353;
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extraConfig = ''
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newServer({address="127.0.0.1:53", name="local-bind"})
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'';
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};
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};
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in
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{
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base = runTest {
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name = "dnsdist-base";
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meta.maintainers = with lib.maintainers; [ jojosch ];
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nodes.machine = baseConfig;
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testScript = ''
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machine.wait_for_unit("bind.service")
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machine.wait_for_open_port(53)
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machine.succeed("host -p 53 192.168.0.1 | grep -qF ns.example.org")
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machine.wait_for_unit("dnsdist.service")
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machine.wait_for_open_port(5353)
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machine.succeed("host -p 5353 192.168.0.1 | grep -qF ns.example.org")
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'';
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};
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dnscrypt = runTest {
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name = "dnsdist-dnscrypt";
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meta.maintainers = with lib.maintainers; [ rnhmjoj ];
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nodes.server = lib.mkMerge [
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baseConfig
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{
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networking.firewall.allowedTCPPorts = [ 443 ];
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networking.firewall.allowedUDPPorts = [ 443 ];
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services.dnsdist.dnscrypt.enable = true;
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services.dnsdist.dnscrypt.providerKey = "${./dnscrypt-wrapper/secret.key}";
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}
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];
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nodes.client = {
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services.dnscrypt-proxy2.enable = true;
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services.dnscrypt-proxy2.upstreamDefaults = false;
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services.dnscrypt-proxy2.settings =
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{ server_names = [ "server" ];
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listen_addresses = [ "[::1]:53" ];
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cache = false;
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# Computed using https://dnscrypt.info/stamps/
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static.server.stamp =
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"sdns://AQAAAAAAAAAADzE5Mi4xNjguMS4yOjQ0MyAUQdg6_RIIpK6pHkINhrv7nxwIG5c7b_m5NJVT3A1AXRYyLmRuc2NyeXB0LWNlcnQuc2VydmVy";
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};
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networking.nameservers = [ "::1" ];
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};
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testScript = ''
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with subtest("The DNSCrypt server is accepting connections"):
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server.wait_for_unit("bind.service")
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server.wait_for_unit("dnsdist.service")
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server.wait_for_open_port(443)
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almost_expiration = server.succeed("date --date '14min'").strip()
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with subtest("The DNSCrypt client can connect to the server"):
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client.wait_until_succeeds("journalctl -u dnscrypt-proxy2 --grep '\[server\] OK'")
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with subtest("DNS queries over UDP are working"):
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client.wait_for_open_port(53)
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client.succeed("host -U 192.168.0.1 | grep -qF ns.example.org")
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with subtest("DNS queries over TCP are working"):
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client.wait_for_open_port(53)
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client.succeed("host -T 192.168.0.1 | grep -qF ns.example.org")
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with subtest("The server rotates the ephemeral keys"):
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server.succeed(f"date -s '{almost_expiration}'")
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client.succeed(f"date -s '{almost_expiration}'")
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server.wait_until_succeeds("journalctl -u dnsdist --grep 'rotated certificate'")
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with subtest("The client can still connect to the server"):
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client.wait_until_succeeds("host -T 192.168.0.1")
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client.wait_until_succeeds("host -U 192.168.0.1")
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'';
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};
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}
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