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bug#15421: RFE: 'id +NNN' for getting group data from a uid rather than
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From: |
Eric Blake |
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Subject: |
bug#15421: RFE: 'id +NNN' for getting group data from a uid rather than username |
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Date: |
Thu, 19 Sep 2013 13:13:17 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130805 Thunderbird/17.0.8 |
I just created a local user named "0" (don't ask), and noticed that
although we can do things like "chown +0:+0 file" to FORCE a file to be
owned by uid 0 (rather than the uid of my unfortunate "0" username),
it's a bit harder to learn details about a uid hidden by a poor username.
$ id 0
uid=14987(0) gid=14987(0) groups=14987(0)
$ id +0
id: +0: no such user
Of course, everyone "knows" that uid 0 is named "root", but this
question applies to any other unfortunate uid/name collision.
Therefore, I propose that we support 'id +0' as the way to say 'give me
the details about uid 0, no matter if username 0 also happens to exist'.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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