As far as I know, there is nothing. Permissions come from the source machine, and unless the source system is an IBM i, I don't think it would be possible. https://www.ibm.com/support/pages/openssh-and-sftp-authority-considerations-integrated-file-system-ifs
is a good place to start, and there are some things you can search on for more information listed in there. We use a CHGAUT I believe, but the one place we do that, we get a batch of files overnight, and just just schedule the security fix between the when the transfer should end and the first time someone will need access.
On Tue, 2021-11-23 at 21:44 +0100, stefan@xxxxxxxxxx wrote:
I have no idea at all what's going on at the client end of this transfer as
we have no control over it - my customer complains that the applications
trying to catch the files at the IBM I server have authority issues.
Searching for umask in the ibm i-manuals at hand does not reveal any hits.
In this environment around 150.000 streamfiles are created daily so I need
to be aware of performance.
I vaguely remember reading something about setting a config option to allow
for group authority as well but of course I'm not able to find it.....
Thank you for your time and effort,
No trees were killed in the sending of this message, but a large number of
electrons were terribly upset.
+46 732 369934
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx<mailto:midrange-l-bounces@xxxxxxxxxxxxxxxxxx>> On Behalf Of Patrik
Sent: Tuesday, November 23, 2021 9:21 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx<mailto:midrange-l@xxxxxxxxxxxxxxxxxx>>
Subject: Re: IBM i receiving streamfiles using sftp
Am 23.11.2021 um 21:05 schrieb <stefan@xxxxxxxxxx<mailto:stefan@xxxxxxxxxx>> <stefan@xxxxxxxxxx<mailto:stefan@xxxxxxxxxx>>:
Any chance to configure sshd to allow anything more than object owner
authority to be set on a file received using sftp?
Existing folders authorisation list settings etc seems not to be
inherited to the new file.
Are you sure that the file isn't using the authorization flags from the
remote file? At least that's how I know that stuff to work on Linux.
The sender might also use chmod to set less strict rights after transfer.
Depending on the sftp-server being in use, a so called umask may be
specified in its configuration to override a system derived default for
creating local files:
This may or may not work, depending on how "forcefully" the sender tries to
make both copies of the file have similar access rights.
On Linux, I usually deal with such situations by handling received files
with the user profile which was used to log on via (s)ftp. Maybe this is
something to consider for you, also?
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