[ekohl] 69880: [FASTFAT] Deny access when trying to overwrite a read-only file.

Author: ekohl
Date: Fri Nov 13 19:03:34 2015
New Revision: 69880

URL: http://svn.reactos.org/svn/reactos?rev=69880&view=rev
Log:
[FASTFAT]
Deny access when trying to overwrite a read-only file.

Modified:
    trunk/reactos/drivers/filesystems/fastfat/create.c

Modified: trunk/reactos/drivers/filesystems/fastfat/create.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat/create.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat/create.c	[iso-8859-1] Fri Nov 13 19:03:34
2015
@@ -411,7 +411,8 @@
 
     /* Fail, if we try to overwrite a read-only file */
     if ((*Fcb->Attributes & FILE_ATTRIBUTE_READONLY) &&
-        (RequestedDisposition == FILE_OVERWRITE))
+        (RequestedDisposition == FILE_OVERWRITE ||
+         RequestedDisposition == FILE_OVERWRITE_IF))
     {
         vfatReleaseFCB(DeviceExt, Fcb);
         return STATUS_ACCESS_DENIED;
@@ -580,6 +581,8 @@
     if (!OpenTargetDir)
     {
         Status = VfatOpenFile(DeviceExt, &PathNameU, FileObject,
RequestedDisposition, &ParentFcb);
+        if (Status == STATUS_ACCESS_DENIED)
+            return Status;
     }
     else
     {