[PATCH][SMB3] allow files to be created with backslash in file name

Steve French smfrench at gmail.com
Fri Jan 1 22:57:08 UTC 2021


4.12.4 Ubuntu

On Fri, Jan 1, 2021, 14:58 Jeremy Allison <jra at samba.org> wrote:

> On Fri, Jan 01, 2021 at 09:12:14AM -0600, Steve French wrote:
> >On Fri, Jan 1, 2021 at 12:00 AM Jeremy Allison <jra at samba.org> wrote:
> >>
> >> On Thu, Dec 31, 2020 at 09:35:23PM -0600, Steve French via
> samba-technical wrote:
> >> >
> >> >This patch may be even more important to Samba, as alternative ways of
> >> >storing these files can create more problems. Interestingly Samba
> >> >server reports local files with backslashes in them over the wire
> >> >without remapping, even though these are illegal in SMB3 which would
> >> >cause confusion on the client(s).  Has anyone tried Windows mounting
> >>
> >> Samba should mangle names containing '\' to 8.3 names.
> >
> >You were right mangled names was enabled.  But that is also
> >interesting - it does expose a bug in smbclient.
> >
> >When you connect smbclient - doing a ls of a subdirectory with
> >reserved characters worked, but doing an ls of the parent (root
> >directory of share) caused smbclient to disconnect.  See below
> >
> >smb: \> ls rsvd-chars
> >  rsvd-chars                          D        0  Fri Jan  1 08:55:49 2021
> >
> >556368460 blocks of size 1024. 296010296 blocks available
> >smb: \> ls
> >  .                                   D        0  Fri Jan  1 08:54:28 2021
> >  ..                                  D        0  Thu Dec 31 21:42:28 2020
> >  topdir                              D        0  Mon Dec 14 16:01:25 2020
> >  lock1.txt                           A      200  Fri Dec 18 12:28:18 2020
> >  lock_rw_shared.dat                  A      200  Fri Dec 18 12:28:18 2020
> >  lock_rw_exclusive.dat               A      200  Fri Dec 18 12:28:18 2020
> >  autounlock.txt                      A      200  Fri Dec 18 12:28:18 2020
> >is_bad_finfo_name: bad finfo->name
> >NT_STATUS_INVALID_NETWORK_RESPONSE listing \*
> >smb: \> SMBecho failed (NT_STATUS_CONNECTION_DISCONNECTED). The
> >connection is disconnected now
>
> Can you log a bug please and give full setup instructions
> to reproduce. This isn't enough to show me what the bug is.
> I need a directory listing from the Server side to show
> me what files are in the root of the share.
>
> Also, you neglect to tell me what Samba version you are
> using (which is a pre-requisite for a bug report Steve,
> you know this :-).
>


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