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-rw-r--r--nixos/modules/services/networking/toxvpn.nix70
1 files changed, 70 insertions, 0 deletions
diff --git a/nixos/modules/services/networking/toxvpn.nix b/nixos/modules/services/networking/toxvpn.nix
new file mode 100644
index 00000000000..18cf7672d5f
--- /dev/null
+++ b/nixos/modules/services/networking/toxvpn.nix
@@ -0,0 +1,70 @@
+{ config, pkgs, lib, ... }:
+
+with lib;
+
+{
+  options = {
+    services.toxvpn = {
+      enable = mkEnableOption "toxvpn running on startup";
+
+      localip = mkOption {
+        type        = types.str;
+        default     = "10.123.123.1";
+        description = "your ip on the vpn";
+      };
+
+      port = mkOption {
+        type        = types.int;
+        default     = 33445;
+        description = "udp port for toxcore, port-forward to help with connectivity if you run many nodes behind one NAT";
+      };
+
+      auto_add_peers = mkOption {
+        type        = types.listOf types.str;
+        default     = [];
+        example     = [ "toxid1" "toxid2" ];
+        description = "peers to automatically connect to on startup";
+      };
+    };
+  };
+
+  config = mkIf config.services.toxvpn.enable {
+    systemd.services.toxvpn = {
+      description = "toxvpn daemon";
+
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+
+      preStart = ''
+        mkdir -p /run/toxvpn || true
+        chown toxvpn /run/toxvpn
+      '';
+
+      path = [ pkgs.toxvpn ];
+
+      script = ''
+        exec toxvpn -i ${config.services.toxvpn.localip} -l /run/toxvpn/control -u toxvpn -p ${toString config.services.toxvpn.port} ${lib.concatMapStringsSep " " (x: "-a ${x}") config.services.toxvpn.auto_add_peers}
+      '';
+
+      serviceConfig = {
+        KillMode  = "process";
+        Restart   = "on-success";
+        Type      = "notify";
+      };
+
+      restartIfChanged = false; # Likely to be used for remote admin
+    };
+
+    environment.systemPackages = [ pkgs.toxvpn ];
+
+    users.users = {
+      toxvpn = {
+        isSystemUser = true;
+        group = "toxvpn";
+        home       = "/var/lib/toxvpn";
+        createHome = true;
+      };
+    };
+    users.groups.toxvpn = {};
+  };
+}