directory with a symlink pointing to non-existing file

[Pavel Filipensky]

- but SMB does *not *allow to delete such *empty* directory, it gives
NT_STATUS_DIRECTORY_NOT_EMPTY



On Thu, Oct 21, 2021 at 6:35 PM Pavel Filipensky <pfilipen at redhat.com>
wrote:

> Hi,
>
> if on local linux file system there is a directory with only one file - a
> symlink pointing to a non-existing file then:
> - from SMB point of view the directory is *empty*, such symlink is not
> shown
> - but SMB does allow to delete such *empty* directory, it gives
> NT_STATUS_DIRECTORY_NOT_EMPTY
>
> This is seen with samba 4.10 and 4.13. Could there be a difference with
> the latest samba?
>
> setting those smb.conf params has no effect:
>
> allow insecure wide links = yes
> unix extensions = no
> follow symlinks = yes
> wide links = yes
>
>
> How to approach it? I can imagine these:
>
> 1.  Do nothing. A symlink pointing to a non-existing file was created
> without involving SMB, so we should not blame SMB and instead make sure
> that such behind the scene manipulations do not happen...
>
> 2. Implement fix to allow deletion of directory which contains only
> pointing-to-nowhere symlinks
>
> 3. Implement fix that puts also pointing-to-nowhere symlinks to directory
> listing
>
> 4. Provide better info when deletion of* empty *dir fails with
> NT_STATUS_DIRECTORY_NOT_EMPTY. How?
>
>
> Cheers,
> Pavel
>
> P.S. There is a related BUG:
> https://bugzilla.samba.org/show_bug.cgi?id=5209
>
>