[NTFS]

NtfsMoonWalkID():
- Do not allow opening a file by ID if it's not in use any longer
- Do not attempt to create the full path, if an error occured during walk

svn path=/trunk/; revision=66265

diff --git a/reactos/drivers/filesystems/ntfs/create.c b/reactos/drivers/filesystems/ntfs/create.c
index 70b3ba2..4b7e74f 100644 (file)
--- a/reactos/drivers/filesystems/ntfs/create.c
+++ b/reactos/drivers/filesystems/ntfs/create.c
@@ -116,6 +116,11 @@ NtfsMoonWalkID(PDEVICE_EXTENSION DeviceExt,
             break;
 
         ASSERT(MftRecord->Ntfs.Type == NRH_FILE_TYPE);
             break;
 
         ASSERT(MftRecord->Ntfs.Type == NRH_FILE_TYPE);

+        if (!(MftRecord->Flags & FRH_IN_USE))
+        {
+            Status = STATUS_OBJECT_PATH_NOT_FOUND;
+            break;
+        }

 
         FileName = GetBestFileNameFromRecord(MftRecord);
         WritePosition -= FileName->NameLength;
 
         FileName = GetBestFileNameFromRecord(MftRecord);
         WritePosition -= FileName->NameLength;


@@ -132,6 +137,9 @@ NtfsMoonWalkID(PDEVICE_EXTENSION DeviceExt,
 
     ExFreePoolWithTag(MftRecord, TAG_NTFS);
 
 
     ExFreePoolWithTag(MftRecord, TAG_NTFS);
 

+    if (!NT_SUCCESS(Status))
+        return Status;
+

     OutPath->Length = (MAX_PATH - WritePosition - 1) * sizeof(WCHAR);
     OutPath->MaximumLength = (MAX_PATH - WritePosition) * sizeof(WCHAR);
     OutPath->Buffer = ExAllocatePoolWithTag(NonPagedPool, OutPath->MaximumLength, TAG_NTFS);
     OutPath->Length = (MAX_PATH - WritePosition - 1) * sizeof(WCHAR);
     OutPath->MaximumLength = (MAX_PATH - WritePosition) * sizeof(WCHAR);
     OutPath->Buffer = ExAllocatePoolWithTag(NonPagedPool, OutPath->MaximumLength, TAG_NTFS);