[tfaber] 69569: [NDIS] - ZwDuplicateObject always returns user handles, so don't use it when we want a kernel handle. CORE-10207

Author: tfaber
Date: Sat Oct 17 16:24:14 2015
New Revision: 69569

URL: http://svn.reactos.org/svn/reactos?rev=69569&view=rev
Log:
[NDIS]
- ZwDuplicateObject always returns user handles, so don't use it when we want a kernel handle.
CORE-10207

Modified:
    trunk/reactos/drivers/network/ndis/ndis/config.c

Modified: trunk/reactos/drivers/network/ndis/ndis/config.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/network/ndis/ndis/c...
==============================================================================
--- trunk/reactos/drivers/network/ndis/ndis/config.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/network/ndis/ndis/config.c	[iso-8859-1] Sat Oct 17 16:24:14 2015
@@ -215,14 +215,19 @@
     PMINIPORT_CONFIGURATION_CONTEXT ConfigurationContext;
     PNDIS_WRAPPER_CONTEXT WrapperContext = (PNDIS_WRAPPER_CONTEXT)WrapperConfigurationContext;
     HANDLE RootKeyHandle = WrapperContext->RegistryHandle;
+    OBJECT_ATTRIBUTES ObjectAttributes;
+    UNICODE_STRING NoName = RTL_CONSTANT_STRING(L"");

NDIS_DbgPrint(MAX_TRACE, ("Called\n"));

*ConfigurationHandle = NULL;

-    *Status = ZwDuplicateObject(NtCurrentProcess(), RootKeyHandle,
-                                NtCurrentProcess(), &KeyHandle, 0, 0,
-                                DUPLICATE_SAME_ACCESS);
+    InitializeObjectAttributes(&ObjectAttributes,
+                               &NoName,
+                               OBJ_KERNEL_HANDLE,
+                               RootKeyHandle,
+                               NULL);
+    *Status = ZwOpenKey(&KeyHandle, KEY_ALL_ACCESS, &ObjectAttributes);
     if(!NT_SUCCESS(*Status))
     {
         NDIS_DbgPrint(MIN_TRACE, ("Failed to open registry configuration for this miniport\n"));