From: Eric Blake <ebb9@byu.net>
To: cygwin@cygwin.com, mark_z@charter.net
Subject: Re: "id -Gn" w/ username doesn't return all associated groups. Issue with getgrent()?
Date: Mon, 22 Jan 2007 13:03:00 -0000 [thread overview]
Message-ID: <45B4B622.9040406@byu.net> (raw)
In-Reply-To: <20070122093419.GR27843@calimero.vinschen.de>
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According to Corinna Vinschen on 1/22/2007 2:34 AM:
>> When "id" is called without a username, it calls the getgroups(...) function
>> which appears to work as expected. However, when a specific username is
>> passed, even the username of the current user, getugroups(...) is called,
>> and does _not_ appear to work as expected.
>
> That's by design. getgroups() has access to the user token of the
> current process and returns every group which is in this token.
> getgrent() is a function which enumerates /etc/groups.
So my translation of this would be that the bug is not in id, but in the
fact that your /etc/groups is out-of-date. Use mkgroups to remedy the
situation.
- --
Don't work too hard, make some time for fun as well!
Eric Blake ebb9@byu.net
volunteer cygwin coreutils maintainer
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next prev parent reply other threads:[~2007-01-22 13:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-21 22:50 Mark A. Ziesemer
2007-01-22 9:34 ` Corinna Vinschen
2007-01-22 13:03 ` Eric Blake [this message]
2007-01-22 13:29 ` Corinna Vinschen
2007-01-22 15:23 ` Mark A. Ziesemer
2007-01-22 15:40 ` "id -Gn" w/ username doesn't return all associated groups. Issue with getgrent()? Corinna Vinschen
2007-01-23 1:15 ` Mark A. Ziesemer
2007-01-23 3:21 ` Eric Blake
2007-01-23 23:35 ` Mark A. Ziesemer
2007-01-24 1:24 ` dmccunney
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