Adding otpw (a one-time password system)

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

@@ -0,0 +1,30 @@
+{ stdenv, fetchurl, pam }:
+
+stdenv.mkDerivation {
+  name = "otpw-1.3";
+
+  src = fetchurl {
+    url = ttp://www.cl.cam.ac.uk/~mgk25/download/otpw-1.3.tar.gz;
+    sha256 = "1k3hc7xbxz6hkc55kvddi3cibafwf93ivn58sy1l888d3l5dwmrk";
+  };
+
+  patchPhase = ''
+    sed -i 's/^CFLAGS.*/CFLAGS=-O2 -fPIC/' Makefile
+  '';
+
+  installPhase = ''
+    ensureDir $out/bin $out/lib/security $out/share/man/man{1,8}
+    cp pam_*.so $out/lib/security
+    cp otpw-gen $out/bin
+    cp *.1 $out/share/man/man1
+    cp *.8 $out/share/man/man8
+  '';
+
+  buildInputs = [ pam ];
+
+  meta = {
+    homepage = http://www.cl.cam.ac.uk/~mgk25/otpw.html;
+    description = "A one-time password login package";
+    license = "GPLv2+";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1317,6 +1317,8 @@ let
 
   ossec = callPackage ../tools/security/ossec {};
 
+  otpw = callPackage ../os-specific/linux/otpw { };
+
   p7zip = callPackage ../tools/archivers/p7zip { };
 
   pal = callPackage ../tools/misc/pal { };