nas fixes

hosts/nas/networking.nix

@@ -1,9 +1,17 @@
-{ config, ... }:
+{ config, pkgs, ... }:
 let
   hostname = "jallen-nas";
   ipAddress = "10.0.1.18";
   ipAddress2 = "10.0.1.19";
   gateway = "10.0.1.1";
+  ports = [
+    9000 # authentik
+    2342 # grafana
+    51820 # wireguard
+  ];
+
+  wireguard-private = config.sops.secrets."jallen-nas/wireguard/private".path;
+  wireguard-public = "r03IJPnTaSNmhVYIdQr+TGasox6NAUrgW8ycm/sac08=";
 in
 {
   # Networking configs
@@ -65,10 +73,10 @@ in
             ieee80211w=2
           '';
         };
-        "Joey's Jungle 5G" = {
-          pskRaw = "ext:PSK";
-          priority = -100;
-        };
+        # "Joey's Jungle 5G" = {
+        #   pskRaw = "ext:PSK";
+        #   priority = -100;
+        # };
       };
     };
 
@@ -76,8 +84,56 @@ in
       enable = true;
       allowPing = true;
 
+      allowedTCPPorts = ports;
+      allowedUDPPorts = ports;
+
       # always allow traffic from your Tailscale network
       trustedInterfaces = [ "tailscale0" ];
     };
+
+    nat = {
+      enable = true;
+      externalInterface = "wlp7s0";
+      internalInterfaces = [ "wg0" ];
+    };
+
+    wireguard.interfaces = {
+      # "wg0" is the network interface name. You can name the interface arbitrarily.
+      wg0 = {
+        # Determines the IP address and subnet of the server's end of the tunnel interface.
+        ips = [ "10.0.100.1/24" ];
+
+        # The port that WireGuard listens to. Must be accessible by the client.
+        listenPort = 51820;
+
+        # This allows the wireguard server to route your traffic to the internet and hence be like a VPN
+        # For this to work you have to set the dnsserver IP of your router (or dnsserver of choice) in your clients
+        postSetup = ''
+          ${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s 10.0.100.0/24 -o wlp7s0 -j MASQUERADE
+        '';
+
+        # This undoes the above command
+        postShutdown = ''
+          ${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s 10.0.100.0/24 -o wlp7s0 -j MASQUERADE
+        '';
+
+        # Path to the private key file.
+        #
+        # Note: The private key can also be included inline via the privateKey option,
+        # but this makes the private key world-readable; thus, using privateKeyFile is
+        # recommended.
+        privateKeyFile = wireguard-private;
+
+        peers = [
+          # List of allowed peers.
+          { # Feel free to give a meaning full name
+            # Public key of the peer (not a file path).
+            publicKey = wireguard-public;
+            # List of IPs assigned to this peer within the tunnel subnet. Used to configure routing.
+            allowedIPs = [ "10.0.100.2/32" ];
+          }
+        ];
+      };
+    };
   };
 }