74 lines
2.8 KiB
Nix
74 lines
2.8 KiB
Nix
{ lib, pkgs, ... }:
|
|
|
|
{
|
|
name = "dnscrypt-wrapper";
|
|
meta = with pkgs.lib.maintainers; {
|
|
maintainers = [ rnhmjoj ];
|
|
};
|
|
|
|
nodes = {
|
|
server = { lib, ... }:
|
|
{ services.dnscrypt-wrapper = with builtins;
|
|
{ enable = true;
|
|
address = "192.168.1.1";
|
|
keys.expiration = 5; # days
|
|
keys.checkInterval = 2; # min
|
|
# The keypair was generated by the command:
|
|
# dnscrypt-wrapper --gen-provider-keypair \
|
|
# --provider-name=2.dnscrypt-cert.server \
|
|
# --ext-address=192.168.1.1:5353
|
|
providerKey.public = toFile "public.key" (readFile ./public.key);
|
|
providerKey.secret = toFile "secret.key" (readFile ./secret.key);
|
|
};
|
|
services.tinydns.enable = true;
|
|
services.tinydns.data = ''
|
|
..:192.168.1.1:a
|
|
+it.works:1.2.3.4
|
|
'';
|
|
networking.firewall.allowedUDPPorts = [ 5353 ];
|
|
networking.firewall.allowedTCPPorts = [ 5353 ];
|
|
networking.interfaces.eth1.ipv4.addresses = lib.mkForce
|
|
[ { address = "192.168.1.1"; prefixLength = 24; } ];
|
|
};
|
|
|
|
client = { lib, ... }:
|
|
{ services.dnscrypt-proxy2.enable = true;
|
|
services.dnscrypt-proxy2.upstreamDefaults = false;
|
|
services.dnscrypt-proxy2.settings = {
|
|
server_names = [ "server" ];
|
|
static.server.stamp = "sdns://AQAAAAAAAAAAEDE5Mi4xNjguMS4xOjUzNTMgFEHYOv0SCKSuqR5CDYa7-58cCBuXO2_5uTSVU9wNQF0WMi5kbnNjcnlwdC1jZXJ0LnNlcnZlcg";
|
|
};
|
|
networking.nameservers = [ "127.0.0.1" ];
|
|
networking.interfaces.eth1.ipv4.addresses = lib.mkForce
|
|
[ { address = "192.168.1.2"; prefixLength = 24; } ];
|
|
};
|
|
|
|
};
|
|
|
|
testScript = ''
|
|
start_all()
|
|
|
|
with subtest("The server can generate the ephemeral keypair"):
|
|
server.wait_for_unit("dnscrypt-wrapper")
|
|
server.wait_for_file("/var/lib/dnscrypt-wrapper/2.dnscrypt-cert.server.key")
|
|
server.wait_for_file("/var/lib/dnscrypt-wrapper/2.dnscrypt-cert.server.crt")
|
|
almost_expiration = server.succeed("date --date '4days 23 hours 56min'").strip()
|
|
|
|
with subtest("The client can connect to the server"):
|
|
server.wait_for_unit("tinydns")
|
|
client.wait_for_unit("dnscrypt-proxy2")
|
|
assert "1.2.3.4" in client.wait_until_succeeds(
|
|
"host it.works"
|
|
), "The IP address of 'it.works' does not match 1.2.3.4"
|
|
|
|
with subtest("The server rotates the ephemeral keys"):
|
|
# advance time by a little less than 5 days
|
|
server.succeed(f"date -s '{almost_expiration}'")
|
|
client.succeed(f"date -s '{almost_expiration}'")
|
|
server.wait_for_file("/var/lib/dnscrypt-wrapper/oldkeys")
|
|
|
|
with subtest("The client can still connect to the server"):
|
|
server.wait_for_unit("dnscrypt-wrapper")
|
|
client.succeed("host it.works")
|
|
'';
|
|
}
|