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Re: [cross-project-issues-dev] End of an Era: shell access.

Am 27.08.2019 um 16:44 schrieb Matthew Ward:
Hi Ed,

 The restricted shell was originally created with the goal of providing committers a way to interact with the downloads/archive filesystems for releng activities, and version control systems without providing a general purpose shell. So naturally the command set available leans in that direction(mv,cp,mkdir,git etc).
Finding out what the restricted shell actually allows you to do is quite annoying, as it just kicks you out on forbidden commands. Is there an alternative way of discovering/indicating forbiddenness?

Cheers
/Eike

----
http://www.esc-net.de
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http://twitter.com/eikestepper



We are certainly willing to discuss adding extra commands either temporarily or permanently, but I want to make it clear that the goal is not to reproduce bash.


-Matt.




On Mon, Aug 26, 2019 at 9:58 AM Ed Merks <ed.merks@xxxxxxxxx <mailto:ed.merks@xxxxxxxxx>> wrote:

    What will we be able to do in restricted shell? Using vi is a very basic activity. I suppose there must be some
    good reason why that's restricted? Earlier I was under the impression that such simple things would continue to
    work, but now I have to wonder. But then it was mentioned that things we discover needed could become unrestricted...


On 26.08.2019 15:35, Matthew Ward wrote:
    Hi David,

    Â Thanks for the questions.

    Users with the restricted shell will have the same home directories that they do currently, which will remain the
    place for authorized keys. ÂYou won't be able to edit(vi/emacs/ed) files directly within the restricted shell,
    so you will need to upload them via scp/rsync. If you want a more 'interactive' type of access I'd suggest
    looking into using libfuse, and specifically the sshfs file system.

    The restricted shell allows rsync, so there should be zero impact. If you'd like to test in advance, drop me a
    line and I'll set you up.

    -Matt.

    On Sat, Aug 24, 2019 at 3:23 PM David Williams <david_williams@xxxxxxx <mailto:david_williams@xxxxxxx>> wrote:

On 8/23/19 14:24, Matthew Ward wrote:
        Hi Everyone,

        Â I just wanted to follow up with a reminder that on August 28th we will be moving committers that have an
        actual shell on Eclipse.org to our restricted shell.

        I'd like to thank both Donat and Etienne on the Buildship RelEng team who volunteered to test this change,
        and helped me confirm that this change should be minimally disruptive.

        If you have any questions, please let me know.

        -Matt.


Thanks for the reminder.

        Will those of use that still want to use 'scp' and similar still have a 'home directory' (on "build"?) and is
        that still the place for .ssh/authorized_keys2? Or, does all that change with "restricted shell"?

        If a change, can you point me to instructions on how to set that up? I would assume some form of "ssh-copy-id
        hostname" but thought best not to assume and ask explicitly.

        In case you are wondering, the use case, for using scp and similar is to download a number of builds to my
        local machine (without going through web interfaces).
        Now that I think of it, I currently use rsync via ssh, such as

        Ârsync -a -e ssh ${committer_id}@build.eclipse.org:$ <mailto:committer_id%7D@xxxxxxxxxxxxxxxxx:$>{dlpath}
        "${output_dir}"

        Will that still work with a restricted shell? Or, will I need to convert to "scp"?

        Thanks,


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