From 50e450d06554457cbec6f43b21109dc25006297c Mon Sep 17 00:00:00 2001
From: makefu <github@syntax-fehler.de>
Date: Mon, 4 Sep 2017 10:11:07 +0200
Subject: ma dnscrypt: provide client and server config

---
 makefu/2configs/dnscrypt/client.nix | 18 +++++++++++++++---
 makefu/2configs/dnscrypt/server.nix | 26 ++++++++++++++++++++++++++
 2 files changed, 41 insertions(+), 3 deletions(-)
 create mode 100644 makefu/2configs/dnscrypt/server.nix

(limited to 'makefu/2configs/dnscrypt')

diff --git a/makefu/2configs/dnscrypt/client.nix b/makefu/2configs/dnscrypt/client.nix
index 6e7ef0f8..988fb4a7 100644
--- a/makefu/2configs/dnscrypt/client.nix
+++ b/makefu/2configs/dnscrypt/client.nix
@@ -1,6 +1,18 @@
-{
-  services.dnscrypt-proxy.enable = true;
-  services.dnscrypt-proxy.resolverName = "cs-de";
+{ config, ... }:
+let
+  customResolver = {
+    # TODO: put this somewhere else
+    address = config.krebs.hosts.gum.nets.internet.ip4.addr;
+    port = 15251;
+    name = "2.dnscrypt-cert.euer.krebsco.de";
+    # dnscrypt-wrapper --show-provider-publickey --provider-publickey-file public.key
+    key = "1AFC:E58D:F242:0FBB:9EE9:4E51:47F4:5373:D9AE:C2AB:DD96:8448:333D:5D79:272C:A44C";
+  };
+in {
+  services.dnscrypt-proxy = {
+    enable = true;
+    inherit customResolver;
+  };
   networking.extraResolvconfConf = ''
     name_servers='127.0.0.1'
   '';
diff --git a/makefu/2configs/dnscrypt/server.nix b/makefu/2configs/dnscrypt/server.nix
new file mode 100644
index 00000000..79305e72
--- /dev/null
+++ b/makefu/2configs/dnscrypt/server.nix
@@ -0,0 +1,26 @@
+{ config, ... }:
+let
+    # TODO: dataDir is currently not provided by upstream
+    # data = config.services.dnscrypt-wrapper.dataDir;
+    data = "/var/lib/dnscrypt-wrapper";
+    sec = toString <secrets>;
+    port = 15251;
+    user = "dnscrypt-wrapper";
+in {
+  services.dnscrypt-wrapper = {
+    enable = true;
+    address = "0.0.0.0";
+    upstream.address = "8.8.8.8";
+    providerName = "2.dnscrypt-cert.euer.krebsco.de";
+    inherit port;
+  };
+  networking.firewall.allowedUDPPorts = [ port ];
+  systemd.services.prepare-dnscrypt-wrapper-keys = {
+    wantedBy = [ "dnscrypt-wrapper.service" ];
+    before = [ "dnscrypt-wrapper.service" ];
+    script = ''
+      install -m700 -o ${user} -v ${sec}/dnscrypt-public.key ${data}/public.key
+      install -m700 -o ${user} -v ${sec}/dnscrypt-secret.key ${data}/secret.key
+    '';
+  };
+}
-- 
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