[ros-diffs] [tfaber] 69571: [NTOS:OB] - Create kernel handles if requested by the caller in ObDuplicateObject CORE-10207

Author: tfaber
Date: Sat Oct 17 18:37:49 2015
New Revision: 69571

URL: http://svn.reactos.org/svn/reactos?rev=69571&view=rev
Log:
[NTOS:OB]
- Create kernel handles if requested by the caller in ObDuplicateObject
CORE-10207

Modified:
    trunk/reactos/ntoskrnl/ob/obhandle.c

Modified: trunk/reactos/ntoskrnl/ob/obhandle.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/ntoskrnl/ob/obhandle.c?rev=...
==============================================================================
--- trunk/reactos/ntoskrnl/ob/obhandle.c	[iso-8859-1] (original)
+++ trunk/reactos/ntoskrnl/ob/obhandle.c	[iso-8859-1] Sat Oct 17 18:37:49 2015
@@ -2150,6 +2150,8 @@
     PHANDLE_TABLE HandleTable;
     OBJECT_HANDLE_INFORMATION HandleInformation;
     ULONG AuditMask;
+    BOOLEAN KernelHandle = FALSE;
+
     PAGED_CODE();
     OBTRACE(OB_HANDLE_DEBUG,
             "%s - Duplicating handle: %p for %p into %p\n",
@@ -2222,6 +2224,14 @@
         return Status;
     }

+    /* Create a kernel handle if asked, but only in the system process */
+    if (PreviousMode == KernelMode &&
+        HandleAttributes & OBJ_KERNEL_HANDLE &&
+        TargetProcess == PsInitialSystemProcess)
+    {
+        KernelHandle = TRUE;
+    }
+
     /* Get the target handle table */
     HandleTable = ObReferenceProcessHandleTable(TargetProcess);
     if (!HandleTable)
@@ -2374,6 +2384,12 @@
         /* Deference the object and set failure status */
         ObDereferenceObject(SourceObject);
         Status = STATUS_INSUFFICIENT_RESOURCES;
+    }
+
+    /* Mark it as a kernel handle if requested */
+    if (KernelHandle)
+    {
+        NewHandle = ObMarkHandleAsKernelHandle(NewHandle);
     }

/* Return the handle */