Date: Mon, 13 Jan 2014 16:03:25 +0100
From: lists@cioccolatai.it
To: alpine-devel@lists.alpinelinux.org
Subject: Re: [alpine-devel] messagebus uid/gid and binaries
Message-ID: <20140113150325.GA2419@127.0.0.1>
References: <20140110152150.GH2755@127.0.0.1>
 <20140110154433.GJ2755@127.0.0.1>
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In-Reply-To: <20140110154433.GJ2755@127.0.0.1>

On Fri, Jan 10, 2014 at 04:44:33PM +0100, lists@cioccolatai.it wrote:

> > # find /var /usr /sbin /lib -user messagebus -ls :
> >   8065   40 -rwxr-xr-x   1 messagebus messagebus    38176 Oct 30 09:32 /usr/sbin/chroot
> >   8067    8 -rwxr-xr-x   1 messagebus messagebus     5720 Oct 30 09:32 /usr/libexec/coreutils/libstdbuf.so
> [..]
> 
> > apart from this, maybe is better to use the reserved "system" uid/gid with the
> > -S flag in the adduser command?
> > http://git.alpinelinux.org/cgit/aports/commit/?id=5a7acc3218ecf44b19312ba9b5d4962828e9ec97
> > 
> > # id messagebus
> > uid=1000(messagebus) gid=1000(messagebus) groups=1000(messagebus)

Sorry for the noise, I confirm that the two things are unrelated:

1) some binaries are installed with owner uid/gid 1000 (maybe a
bug/misconfig in the build system?)

2) dbus installation script creates an ordinary user (which by default
get uid 1000 if you don't have any other regular user), not a system one

should I file two bug reports in the tracker?

as a note, by default the last system gid defined in the default
/etc/groups is users (gid 100) which doesn't have a corrisponding uid
100 in /etc/passwd; any adduser -S creates a "desync" between passwd and
groups (uid 100 gid 101, etc.) which is of course not a bug/problem, but
is ..  "ugly" ..

ciao,
I.


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