1 files changed, 16 insertions, 2 deletions
diff --git a/tdecore/kdesktopfile.cpp b/tdecore/kdesktopfile.cpp
index b385eeb18..9798a1ff2 100644
--- a/tdecore/kdesktopfile.cpp
+++ b/tdecore/kdesktopfile.cpp
@@ -310,7 +310,7 @@ bool KDesktopFile::tryExec() const
            return false;
      }
   }
-  
+
   // See also KService::username()
   bool su = readBoolEntry("X-TDE-SubstituteUID");
   if (su)
@@ -323,7 +323,21 @@ bool KDesktopFile::tryExec() const
       if (!kapp->authorize("user/"+user))
         return false;
   }
-  
+  else {
+      // Respect KDE su request if present
+      su = readBoolEntry("X-KDE-SubstituteUID");
+      if (su)
+      {
+          TQString user = readEntry("X-KDE-Username");
+          if (user.isEmpty())
+            user = ::getenv("ADMIN_ACCOUNT");
+          if (user.isEmpty())
+            user = "root";
+          if (!kapp->authorize("user/"+user))
+            return false;
+      }
+  }
+
   return true;
 }