[PATCHES] SMB3 lock sequence (replay detection)
obnox at samba.org
Tue Sep 18 17:04:40 UTC 2018
On 2018-09-18 at 16:31 +0200, Stefan Metzmacher wrote:
> Hi Michael,
> thanks for driving this forward again!
> I'd like to see a few minor changes before this goes upstream.
> - Can we have an additional test the requires SMB3
> and tries to open a persistent handle, but allows a fallback
> just a durable handle?
Good point, we'll do that!
> - Please only activate this when "server multi channel support" is
> activated for now.
"This" being lock sequence number checking in the server?
Thanks for the feed-back!
> Am 18.09.2018 um 10:23 schrieb Michael Adam via samba-technical:
> > Hi all,
> > reviving this slightly older topic:
> > SMB2.1 (for resilient file handles) and SMB3.X implement
> > the so called lock sequence number and based on that,
> > the lock replay detection in the server.
> > This was done as part of the original efforts of
> > implementing multi-channel, and is now popping up
> > again as we are cleaning up the remaining bits and
> > finishing up the last parts of multi-channel.
> > The patches were originally not merged because
> > windows activates them only for resilient or
> > persistent file hanldes, but as Guenther points
> > out in one of his patches, the SMB2 doc actually
> > says, the server SHOULD actually implement them
> > for all of smb 3.x.
> > Hence re-proposing this patcheset to be merged
> > to prevent bit-rot and have the feature ready
> > and useable in the official samba master.
> > Cheers - Michael
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