From owner-freebsd-current@FreeBSD.ORG Wed Jul 25 14:51:18 2007 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 96C1D16A41B for ; Wed, 25 Jul 2007 14:51:18 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: from mail.garage.freebsd.pl (arm132.internetdsl.tpnet.pl [83.17.198.132]) by mx1.freebsd.org (Postfix) with ESMTP id 5C03D13C4B5 for ; Wed, 25 Jul 2007 14:51:16 +0000 (UTC) (envelope-from pjd@garage.freebsd.pl) Received: by mail.garage.freebsd.pl (Postfix, from userid 65534) id 619EA487FC; Wed, 25 Jul 2007 16:51:14 +0200 (CEST) Received: from localhost (154.81.datacomsa.pl [195.34.81.154]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.garage.freebsd.pl (Postfix) with ESMTP id 92E80487F8; Wed, 25 Jul 2007 16:51:07 +0200 (CEST) Date: Wed, 25 Jul 2007 16:50:31 +0200 From: Pawel Jakub Dawidek To: Boris Samorodov Message-ID: <20070725145031.GJ12473@garage.freebsd.pl> References: <97732929@srv.sem.ipt.ru> <20070723133333.GF5456@garage.freebsd.pl> <78011660@srv.sem.ipt.ru> <20070724144549.GA12473@garage.freebsd.pl> <08401633@srv.sem.ipt.ru> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="gTY1JhLGodeuSBqf" Content-Disposition: inline In-Reply-To: <08401633@srv.sem.ipt.ru> User-Agent: Mutt/1.4.2.3i X-PGP-Key-URL: http://people.freebsd.org/~pjd/pjd.asc X-OS: FreeBSD 7.0-CURRENT i386 X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail.garage.freebsd.pl X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=BAYES_00 autolearn=ham version=3.0.4 Cc: freebsd-current@FreeBSD.org Subject: Re: mount_nullfs inside a jail X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 25 Jul 2007 14:51:18 -0000 --gTY1JhLGodeuSBqf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Jul 25, 2007 at 06:46:22PM +0400, Boris Samorodov wrote: > On Tue, 24 Jul 2007 16:45:49 +0200 Pawel Jakub Dawidek wrote: > > On Tue, Jul 24, 2007 at 06:03:47PM +0400, Boris Samorodov wrote: > > > On Mon, 23 Jul 2007 15:33:33 +0200 Pawel Jakub Dawidek wrote: >=20 > > > > As you can see, nullfs doesn't have 'jail' flag. The only jail-frie= ndly > > > > file system currently is ZFS. Nullfs is a good candidate for a > > > > jail-friendly file system, but is not marked as such yet. > > >=20 > > > Does somebody know if only a flag is missing or not? >=20 > > You may try changing the line in /sys/fs/nullfs/null_vfsops.c from: >=20 > > VFS_SET(null_vfsops, nullfs, VFCF_LOOPBACK); >=20 > > to: >=20 > > VFS_SET(null_vfsops, nullfs, VFCF_LOOPBACK | VFCF_JAIL); >=20 > This didn't help: > ----- > btest# sysctl security.jail > security.jail.jailed: 1 > security.jail.mount_allowed: 1 > security.jail.chflags_allowed: 1 > security.jail.allow_raw_sockets: 0 > security.jail.enforce_statfs: 2 > security.jail.sysvipc_allowed: 1 > security.jail.socket_unixiproute_only: 1 > security.jail.set_hostname_allowed: 1 > btest# lsvfs > Filesystem Refs Flags > -------------------------------- ----- --------------- > ufs 6=20 > nfs 0 network > procfs 0 synthetic > devfs 3 synthetic > ntfs 0=20 > msdosfs 0=20 > nfs4 0 network > nullfs 1 loopback, jail > cd9660 0 read-only > btest# df > Filesystem 1K-blocks Used Avail Capacity Mounted on > /dev/da0s1d 945804208 22136782 848003090 3% / > btest# mount /usr/ports/distfiles /mnt > mount: /usr/ports/distfiles : Operation not permitted mount_nullfs? --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --gTY1JhLGodeuSBqf Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFGp2M3ForvXbEpPzQRAhjIAJ9bG8lWJsPo30YX0V/M2tsCFpk+FwCdFRIg nWRvstsLGGnqDAinr0G73Tk= =8XJO -----END PGP SIGNATURE----- --gTY1JhLGodeuSBqf--