[Samba] How to read NTFS ADS (alternate data steams) using libsmbclient?

[Rowland penny]

On 15/11/2020 09:00, 赵晶 via samba wrote:
> Hi Samba team,
>
> We have a Windows SMB share which contains some files with ADS (alternate
> data streams). In our client C/C++ code that runs on a Linux client, we
> want to retrieve the list of ADS of a file and download all the streams,
> similar to what is provided by smbclient's interactive session (allinfo,
> get).
>
> But as we evaluate libsmbclient (as we'd like to do above in code), we
> don't find any such API w.r.t ADS. The closest is an API to get extended
> attributes, which is not ADS.
>
> http://mrs.suzu841.com/dox/samba_doxygen/group__libsmbclient.html
>
> Is there a way to query/read data streams using libsmbclient? Any
> suggestion is welcome.
>
> Thanks,
> Jing

You might want to look at the code for 'vfs_streams_xattr', not sure if 
this will help, but it is probably the nearest Samba has to what you are 
asking.

Rowland