Date: Wed, 25 Jul 2007 20:03:17 +0400 From: Boris Samorodov <bsam@ipt.ru> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: mount_nullfs inside a jail Message-ID: <10167018@srv.sem.ipt.ru> In-Reply-To: <20070725151235.GK12473@garage.freebsd.pl> (Pawel Jakub Dawidek's message of "Wed\, 25 Jul 2007 17\:12\:35 %2B0200") 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> <20070725145031.GJ12473@garage.freebsd.pl> <76240598@srv.sem.ipt.ru> <20070725151235.GK12473@garage.freebsd.pl>
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On Wed, 25 Jul 2007 17:12:35 +0200 Pawel Jakub Dawidek wrote: > On Wed, Jul 25, 2007 at 07:03:37PM +0400, Boris Samorodov wrote: > > > > 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 > > > > nfs 0 network > > > > procfs 0 synthetic > > > > devfs 3 synthetic > > > > ntfs 0 > > > > msdosfs 0 > > > > 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? > > > > Ops!!! (i need some coffee) My bad... Mounting works good but: > > ----- > > btest# umount /mnt > > umount: unmount of [restricted] failed: Invalid argument > > ----- > I overlooked. You need to set security.jail.enforce_statfs to 0. See if > that helps. Yep, that helps. But now "df" now shows a host file system, which is a little bit confusing. ;-) Well, but I guess there should be a consensus somewhere between features and wishes... Pawel, thanks for your help. 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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