Date: Thu, 26 Jun 2008 16:31:49 +0400 From: Boris Samorodov <bsam@ipt.ru> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: freebsd-jail@FreeBSD.org Subject: Re: is nfs mount inside jail possible? Message-ID: <82521962@bb.ipt.ru> In-Reply-To: <20080625175252.18342qpk0oc2zc4k@webmail.leidinger.net> (Alexander Leidinger's message of "Wed\, 25 Jun 2008 17\:52\:52 %2B0200") References: <62852722@bb.ipt.ru> <20080625173401.116369ceeiewif40@webmail.leidinger.net> <20080625175252.18342qpk0oc2zc4k@webmail.leidinger.net>
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On Wed, 25 Jun 2008 17:52:52 +0200 Alexander Leidinger wrote:
> Quoting Alexander Leidinger <Alexander@Leidinger.net> (from Wed, 25
> Jun 2008 17:34:01 +0200):
> > To do this edit src/sys/nfsclient/nfs_vfsopts.c, search VFS_SET and
> > change it to
> > VFS_SET(nfs_vfsops, nfs, VFCF_NETWORK|VFCF_JAIL);
> Oh: I haven't checked if this actually works. I don't know if all
> places DTRT then. Normally it should work, but you better test if it
> really puts the FS in the place where you want it, that you can
> mount/umount it, that "mount -v" shows the expected output on the host
> and in the jail, and so on.
> Similar things can be done for
> src/sys/fs/{cd9660|msdosfs|ntfs|nullfs|smbfs|udf|unionfs}. Those are
> the FS's which _should_ be safe, either because they work with
> untrusted data anyway, or because it's a loopback mount. But again, I
> haven't tested any of them (I have them patched locally, but even the
> initial testing is on my TODO list with a low priority).
I see. If my task won't change I'll check what I ca do. Thanks!
WBR
--
Boris Samorodov (bsam)
Research Engineer, http://www.ipt.ru Telephone & Internet SP
FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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