From e8d374127e8caa78842005c91a232bfb1fc75a5f Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Sun, 12 Oct 2014 11:48:42 +0000
Subject: [PATCH] [NTFS] On opening, check the file found matches the requested
 dispositions from the caller

svn path=/trunk/; revision=64692
---
 reactos/drivers/filesystems/ntfs/create.c | 24 +++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/reactos/drivers/filesystems/ntfs/create.c b/reactos/drivers/filesystems/ntfs/create.c
index e65540659c1..858b48998f8 100644
--- a/reactos/drivers/filesystems/ntfs/create.c
+++ b/reactos/drivers/filesystems/ntfs/create.c
@@ -221,6 +221,30 @@ NtfsCreateFile(PDEVICE_OBJECT DeviceObject,
                           FileObject->FileName.Buffer,
                           &Fcb);
 
+    if (NT_SUCCESS(Status))
+    {
+        if (RequestedDisposition == FILE_CREATE)
+        {
+            Irp->IoStatus.Information = FILE_EXISTS;
+            NtfsCloseFile(DeviceExt, FileObject);
+            return STATUS_OBJECT_NAME_COLLISION;
+        }
+
+        if (RequestedOptions & FILE_NON_DIRECTORY_FILE &&
+            NtfsFCBIsDirectory(Fcb))
+        {
+            NtfsCloseFile(DeviceExt, FileObject);
+            return STATUS_FILE_IS_A_DIRECTORY;
+        }
+
+        if (RequestedOptions & FILE_DIRECTORY_FILE &&
+            !NtfsFCBIsDirectory(Fcb))
+        {
+            NtfsCloseFile(DeviceExt, FileObject);
+            return STATUS_NOT_A_DIRECTORY;
+        }
+    }
+
     /*
      * If the directory containing the file to open doesn't exist then
      * fail immediately