[hbirr] 17789: - Acquire the temporary buffer from non paged pool in NtQueryDirectoryObject, because the buffer is accessed at DPC_LEVEL.

- Acquire the temporary buffer from non paged pool in
NtQueryDirectoryObject, because the buffer is accessed at DPC_LEVEL.  
- Do always add an empty entry at the end of the buffer
Modified: trunk/reactos/ntoskrnl/ob/dirobj.c
  _____

Modified: trunk/reactos/ntoskrnl/ob/dirobj.c
--- trunk/reactos/ntoskrnl/ob/dirobj.c	2005-09-10 20:19:23 UTC (rev
17788)
+++ trunk/reactos/ntoskrnl/ob/dirobj.c	2005-09-10 22:35:08 UTC (rev
17789)
@@ -219,14 +219,14 @@

NULL);
   if(NT_SUCCESS(Status))
   {
-    PVOID TemporaryBuffer = ExAllocatePool(PagedPool,
+    PVOID TemporaryBuffer = ExAllocatePool(NonPagedPool,
                                            BufferLength);
     if(TemporaryBuffer != NULL)
     {
       POBJECT_HEADER EntryHeader;
       PLIST_ENTRY ListEntry;
       KIRQL OldLevel;
-      ULONG RequiredSize = 0;
+      ULONG RequiredSize = sizeof(OBJECT_DIRECTORY_INFORMATION);
       ULONG nDirectories = 0;
       POBJECT_DIRECTORY_INFORMATION DirInfo =
(POBJECT_DIRECTORY_INFORMATION)TemporaryBuffer;

@@ -315,10 +315,11 @@

if(NT_SUCCESS(Status) && nDirectories > 0)
       {
-        PWSTR strbuf =
(PWSTR)((POBJECT_DIRECTORY_INFORMATION)TemporaryBuffer + nDirectories);
-        PWSTR deststrbuf =
(PWSTR)((POBJECT_DIRECTORY_INFORMATION)Buffer + nDirectories);
+        PWSTR strbuf =
(PWSTR)((POBJECT_DIRECTORY_INFORMATION)TemporaryBuffer + nDirectories +
1);
+        PWSTR deststrbuf =
(PWSTR)((POBJECT_DIRECTORY_INFORMATION)Buffer + nDirectories + 1);
+        memset((POBJECT_DIRECTORY_INFORMATION)TemporaryBuffer +
nDirectories, 0, sizeof(OBJECT_DIRECTORY_INFORMATION));

-        CopyBytes = nDirectories *
sizeof(OBJECT_DIRECTORY_INFORMATION);
+        CopyBytes = (nDirectories + 1) *
sizeof(OBJECT_DIRECTORY_INFORMATION);

/* copy the names from the objects and append them to the list
of the
            objects. copy to the temporary buffer only because the
directory