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