Date: Wed, 25 Jul 2007 16:50:31 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Boris Samorodov <bsam@ipt.ru> Cc: freebsd-current@FreeBSD.org Subject: Re: mount_nullfs inside a jail Message-ID: <20070725145031.GJ12473@garage.freebsd.pl> In-Reply-To: <08401633@srv.sem.ipt.ru> 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>
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--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--
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