1 files changed, 98 insertions, 0 deletions
diff --git a/hosts/toaster/network/mullvad.nix b/hosts/toaster/network/mullvad.nix
new file mode 100644
index 0000000..54fec8d
--- /dev/null
+++ b/hosts/toaster/network/mullvad.nix
@@ -0,0 +1,98 @@
+{
+  config,
+  ...
+}:
+{
+  systemd.network =
+    let
+      pubkey = "xpZ3ZDEukbqKQvdHwaqKMUhsYhcYD3uLPUh1ACsVr1s=";
+      endpoint = "185.65.134.86";
+      port = "51820";
+      addr = [
+        "10.74.16.48/32"
+        "fc00:bbbb:bbbb:bb01::b:102f/128"
+      ];
+    in
+    {
+      netdevs."10-wg-mullvad" = {
+        netdevConfig = {
+          Kind = "wireguard";
+          Name = "wg-mullvad";
+        };
+        wireguardConfig = {
+          PrivateKeyFile = config.sops.secrets."wg/mullvad".path;
+          FirewallMark = 34952; # 0x8888
+          RouteTable = "off";
+        };
+        wireguardPeers = [
+          {
+            PublicKey = pubkey;
+            Endpoint = "${endpoint}:${port}";
+            AllowedIPs = [
+              "0.0.0.0/0"
+              "::0/0"
+            ];
+          }
+        ];
+      };
+      networks."10-wg-mullvad" = {
+        matchConfig.Name = "wg-mullvad";
+        address = addr;
+        networkConfig = {
+          DNS = "10.64.0.1";
+          DNSDefaultRoute = true;
+          Domains = [ "~." ];
+        };
+        routes =
+          map
+            (gate: {
+              Gateway = gate;
+              Table = 1000;
+            })
+            [
+              "0.0.0.0"
+              "::"
+            ];
+
+        routingPolicyRules =
+          [
+            {
+              Family = "both";
+              FirewallMark = 34952; # 0x8888
+              InvertRule = true;
+              Table = "1000";
+              Priority = 100;
+            }
+            {
+              Family = "both";
+              SuppressPrefixLength = 0;
+              Table = "main";
+              Priority = 90;
+            }
+          ]
+          ++ map
+            (net: {
+              # only route global addresses over VPN
+              Priority = 80;
+              To = net;
+            })
+            [
+              # Mullvad endpoint
+              "${endpoint}/32"
+              # zw endpoint
+              "81.201.149.152/32"
+              # oxalab/oxa endpoint
+              "188.245.196.27/32"
+              # "10.0.0.0/8"
+              "10.13.37.0/24"
+              # 0xa-mgmt
+              "10.89.87.0/24"
+              # "172.16.0.0/12"
+              "172.16.0.0/12"
+              # "182.168.0.0/16"
+              "182.168.0.0/16"
+              # "fc00::/7"
+            ];
+      };
+    };
+}