Re: rsync mirror security (WAS: Re: [gentoo-dev] .gitignore)

[Andrew Savchenko]

On Mon, 10 Aug 2015 23:47:21 +0300 Andrew Savchenko wrote:
> On Mon, 10 Aug 2015 22:13:23 +0200 hasufell wrote:
> > On 08/10/2015 05:09 PM, Rich Freeman wrote:
> > > On Mon, Aug 10, 2015 at 11:04 AM, Mike Gilbert <floppym@g.o> wrote:
> > >>
> > >> Expanding on this: the rsync master creates the following
> > >> files/directories under metatdata. On my own system, I like to symlink
> > >> them to locations outside my repo so that related portage features
> > >> continue to work.
> > >>
> > >> I would like to have these added in .gitignore.
> > >>
> > >> metadata/dtd/ # used by something?
> > >> metadata/glsa/ # used by the GLSA utilities?
> > >> matadata/herds.xml # used by equery from gentoolkit
> > >> metadata/news/ # used by eselect news
> > >>
> > >
> > > As a side note, it probably wouldn't hurt to set up a guide for
> > > running git on /usr/portage, including setting up these symlinks,
> > > running egencache after emerge --sync, etc.  I imagine that this is a
> > > configuration that many developers will tend to use, and with the
> > > advent of git we may see more users who tend to contribute doing the
> > > same.
> > >
> >
> > In fact, this should be the recommended way of running gentoo for
> > everyone. Our rsync methods are still inherently insecure (unless I
> > missed something), because:
> > 1. machine key
> > 2. profiles, eclasses and so on are not covered with a
> > signature/Manifest anyway
>
> Not unless metadata cache will be synced too from a trusted source.
> It takes too much time to generate, especially on non-brand-new
> hardware.

Another issue: we will have to setup git mirrors as well (probably
reusing hosts providing rsync mirrors). I really doubt current
infrastructure will survive if all users will sync from its git.

Best regards,
Andrew Savchenko