Date: Sun, 18 Mar 2012 22:29:42 +0100 From: Martin Matuska <mm@FreeBSD.org> To: Alexander Leidinger <Alexander@Leidinger.net> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org, pjd@FreeBSD.org, jamie@FreeBSD.org Subject: Re: svn commit: r233048 - head/etc/defaults Message-ID: <4F6653C6.6020405@FreeBSD.org> In-Reply-To: <20120317163539.00004d8f@unknown> References: <201203162130.q2GLUQaw035726@svn.freebsd.org> <20120317163539.00004d8f@unknown>
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On 17.3.2012 16:35, Alexander Leidinger wrote: > On Fri, 16 Mar 2012 21:30:26 +0000 (UTC) Martin Matuska > <mm@FreeBSD.org> wrote: > >> Author: mm >> Date: Fri Mar 16 21:30:26 2012 >> New Revision: 233048 >> URL: http://svn.freebsd.org/changeset/base/233048 >> >> Log: >> Unhide /dev/zfs in devfsrules_jail. >> >> The /dev/zfs device is required for managing jailed ZFS datasets. > This may give more info to a jail (ZFS is in use on this machine) than > what someone may want to provide. I have separate rulesets for jails > without and with ZFS (actually the one without is the default one and > the one with is a new one): > ---snip--- > ... > > [devfsrules_unhide_zfs=12] > add path zfs unhide > > ... > > [devfsrules_jail_withzfs=16] > add include $devfsrules_hide_all > add include $devfsrules_unhide_basic > add include $devfsrules_unhide_login > add include $devfsrules_unhide_zfs > ---snip--- > > Anyone with arguments why this may be overly paranoid? If not, I would > suggest that we go this way instead. > > Bye, > Alexander. > The only disclosed information I know of is whether the zfs module is loaded on your system. Other alternative I was thinking of would be using a new ruleset (e.g. devfsrules_jail_zfs=5). The disadvantage here is that users that already have defined a ruleset with this number should be informed somehow. -- Martin Matuska FreeBSD committer http://blog.vx.sk
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