Re: chroot sockets

[Samuel Thibault]

olafBuddenhagen@gmx.net, le Fri 17 Jun 2011 23:19:15 +0200, a écrit :
> On Fri, Jun 03, 2011 at 10:40:03AM +0200, Samuel Thibault wrote:
> > olafBuddenhagen@gmx.net, le Thu 02 Jun 2011 04:13:34 +0200, a écrit :
> 
> > > Err... What's the use of sharing the pipe server between chroot and
> > > main system?
> > 
> > So that named pipes can actually work.
> 
> Why wouldn't they work if the chroot uses a separate pipe server? AIUI
> it will only prevent pipes *between* the two environments, but not
> within it...
> 
> > /tmp and /var/run and things like that also need to be firmlinked.
> > Else the rendez-vous between pflocal and libc doesn't work.
> 
> What rendez-vous?

Honestly I don't remember all the details and don't want to dive into
it again, but be sure that there *is* an issue, else I wouldn't have
tinkered with this. It must be something like: the separate pipe server
is not chrooted, and thus looks for the rendez-vous (see pipe code, I'm
afraid I'm too lazy to work out the details again just to explain them)
in the non-chrooted filesystem.

Samuel