From 4434843d9cfb53ab2ddfa1c5139247cbe5c1bfda Mon Sep 17 00:00:00 2001
From: David McFarland <corngood@gmail.com>
Date: Tue, 21 Nov 2017 19:43:42 -0400
Subject: [PATCH 1/2] libgssglue: init at 0.4

---
 .../libraries/libgssglue/default.nix          | 29 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               |  2 ++
 2 files changed, 31 insertions(+)
 create mode 100644 pkgs/development/libraries/libgssglue/default.nix

diff --git a/pkgs/development/libraries/libgssglue/default.nix b/pkgs/development/libraries/libgssglue/default.nix
new file mode 100644
index 00000000000..612946f73ed
--- /dev/null
+++ b/pkgs/development/libraries/libgssglue/default.nix
@@ -0,0 +1,29 @@
+{ stdenv, fetchurl, kerberos }:
+
+stdenv.mkDerivation rec {
+  name = "libgssglue-0.4";
+
+  src = fetchurl {
+    url = "http://www.citi.umich.edu/projects/nfsv4/linux/libgssglue/${name}.tar.gz";
+    sha256 = "0fh475kxzlabwz30wz3bf7i8kfqiqzhfahayx3jj79rba1sily9z";
+  };
+
+  postPatch = ''
+    sed s:/etc/gssapi_mech.conf:$out/etc/gssapi_mech.conf: -i src/g_initialize.c
+  '';
+
+  postInstall = ''
+    mkdir -p $out/etc
+    cat <<EOF > $out/etc/gssapi_mech.conf
+    ${kerberos}/lib/libgssapi_krb5.so mechglue_internal_krb5_init
+    EOF
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://www.citi.umich.edu/projects/nfsv4/linux/;
+    description = "Exports a gssapi interface which calls other random gssapi libraries";
+    license = licenses.bsd3;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ corngood ];
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3ff7b3d1701..6a93d534605 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9195,6 +9195,8 @@ with pkgs;
     monoSupport = false;
   };
 
+  libgssglue = callPackage ../development/libraries/libgssglue { };
+
   libgsystem = callPackage ../development/libraries/libgsystem { };
 
   libgudev = callPackage ../development/libraries/libgudev { };

From 916d1a409c34a4cb091f510836ede25ff68881a5 Mon Sep 17 00:00:00 2001
From: David McFarland <corngood@gmail.com>
Date: Tue, 21 Nov 2017 19:44:41 -0400
Subject: [PATCH 2/2] rdesktop: enable credssp w/ libgssglue

---
 pkgs/applications/networking/remote/rdesktop/default.nix | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/networking/remote/rdesktop/default.nix b/pkgs/applications/networking/remote/rdesktop/default.nix
index 4179cc3058e..4caa9ae63f7 100644
--- a/pkgs/applications/networking/remote/rdesktop/default.nix
+++ b/pkgs/applications/networking/remote/rdesktop/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, openssl, libX11} :
+{stdenv, fetchurl, openssl, libX11, libgssglue, pkgconfig} :
 
 stdenv.mkDerivation (rec {
   pname = "rdesktop";
@@ -10,12 +10,12 @@ stdenv.mkDerivation (rec {
     sha256 = "1r7c1rjmw2xzq8fw0scyb453gy9z19774z1z8ldmzzsfndb03cl8";
   };
 
-  buildInputs = [openssl libX11];
+  nativeBuildInputs = [pkgconfig];
+  buildInputs = [openssl libX11 libgssglue];
 
   configureFlags = [
     "--with-ipv6"
     "--with-openssl=${openssl.dev}"
-    "--disable-credssp"
     "--disable-smartcard"
   ];