Adding pwnat.

pkgs/tools/networking/pwnat/default.nix

@@ -0,0 +1,24 @@
+{ stdenv, fetchurl }:
+
+stdenv.mkDerivation {
+  name = "pwnat-0.3-beta";
+
+  src = fetchurl {
+    url = "http://samy.pl/pwnat/${name}.tgz";
+    sha256 = "18ihs6wk7zni2w0pqip7i61hyi6n60v5rgj6z7j543fgy4afmmnm";
+  };
+
+  installPhase = ''
+    ensureDir $out/bin $out/share/pwnat
+    cp pwnat $out/bin
+    cp README* COPYING* $out/share/pwnat
+  '';
+
+  meta = {
+    homepage = http://samy.pl/pwnat/;
+    description = "ICMP NAT to NAT client-server communication";
+    license = "GPLv3+";
+    maintainers = with stdenv.lib.maintainers; [viric];
+    platforms = with stdenv.lib.platforms; linux;
+  }
+}

pkgs/top-level/all-packages.nix

@@ -1465,6 +1465,8 @@ let
 
   pwgen = callPackage ../tools/security/pwgen { };
 
+  pwnat = callPackage ../tools/networking/pwnat { };
+
   pydb = callPackage ../development/tools/pydb { };
 
   pystringtemplate = callPackage ../development/python-modules/stringtemplate { };