Adding tunctl. I didn't know how to build the manpage, though.

svn path=/nixpkgs/trunk/; revision=14290

pkgs/os-specific/linux/tunctl/default.nix

@@ -0,0 +1,21 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation {
+  name = "tunctl-1.5";
+  src = fetchurl {
+    url = mirror://sourceforge/tunctl/tunctl-1.5.tar.gz;
+    sha256 = "aa2a6c4cc6bfacb11e0d9f62334a6638a0d435475c61230116f00b6af8b14fff";
+  };
+
+  makeFlags = [ "tunctl" ];
+  installPhase = ''
+    ensureDir $out/bin
+    cp tunctl $out/bin
+  '';
+
+  meta = {
+    homepage = http://tunctl.sourceforge.net/;
+    description = "Utility to set up and maintain TUN/TAP network interfaces";
+    license = "GPLv2";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -7248,6 +7248,10 @@ let
     inherit fetchurl stdenv;
   };
 
+  tunctl = import ../os-specific/linux/tunctl {
+    inherit stdenv fetchurl;
+  };
+
   /*tuxracer = builderDefsPackage (import ../games/tuxracer) {
     inherit mesa tcl freeglut;
     inherit (xlibs) libX11 xproto;