docs/61625: Wrong maximal UID and GID in Handbook, section 8.2
Ceri Davies
ceri at FreeBSD.org
Tue Jan 20 14:12:15 UTC 2004
On Tue, Jan 20, 2004 at 02:45:09PM +0100, Lukas Ertl wrote:
> On Tue, 20 Jan 2004, Marc Fonvieille wrote:
>
> > The following reply was made to PR docs/61625; it has been noted by GNATS.
> >
> > From: Marc Fonvieille <blackend at FreeBSD.org>
> > To: Marian Cerny <jojo at matfyz.cz>
> > Cc: freebsd-gnats-submit at FreeBSD.org
> > Subject: Re: docs/61625: Wrong maximal UID and GID in Handbook, section 8.2
> > Date: Tue, 20 Jan 2004 14:36:13 +0100
> >
> > On Tue, Jan 20, 2004 at 05:09:23AM -0800, Marian Cerny wrote:
> > > >Description:
> > > In section 8.2 Introduction is written:
> > > The UID is a number from 0 to 65536 used to ...
> > > The GID is a number from 0 to 65536 used to ...
> > >
> > > By adding a line to passwd (using vipw):
> > > test::65536:65536::0:0:test:/:/sbin/nologin
> > >
> > > I get this as a response:
> > > pwd_mkdb: 65536 > recommended max uid value (65535)
> > > pwd_mkdb: 65536 > recommended max gid value (65535)
> >
> > You forgot to add the line:
> > vipw: done
> >
> > It's just a warning cause some programs may want short IDs/GIDs.
> > However maybe we should say "The UID is, by default, a number from 0
> > to 65535..."
>
> Actually, the UID can be much larger, since it's defined as a 32bit
> unsigned int (on x86).
This is already documented in pwd_mkdb(8). Search for PW_SCAN_BIG_IDS,
which will make these warnings go away when set in the environment.
Ceri
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