Date: Wed, 19 Nov 2003 22:44:38 +0000 From: Ceri Davies <ceri@FreeBSD.org> To: Dr Lyman Hazelton <lrh@alum.mit.edu> Cc: tech@freebsdmall.com Subject: Re: Is there something special about mount points in / ? Message-ID: <20031119224438.GH66785@submonkey.net> In-Reply-To: <200311191539.33723.lrh@alum.mit.edu> References: <200311191539.33723.lrh@alum.mit.edu>
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On Wed, Nov 19, 2003 at 03:39:33PM -0700, Dr Lyman Hazelton wrote:
> I have set vfs.usermount=3D1, and now I can create a local directory=20
> (call it "xxx") in my home dir and use it successfully to do
>=20
> mount -t cd9660 /dev/cd0 xxx
>=20
> or=20
>=20
> mount -t msdos /dev/fd0 xxx
>=20
> However, if I attempt to use the "standard" mount points, /cdrom or=20
> /floppy, to do the same thing, like
>=20
> mount -t cd9660 /dev/cd0 /cdrom
>=20
> I get the message: cd9660: /dev/cd0: Operation not permitted.
>=20
> I have set the permissions on /cdrom to 555 and the file is owned by=20
> root:operators, and my non-root user-id is a member of operators. Is=20
> there something special I have to do to /cdrom to make it usable to=20
> non-root users?
The user doing the mount needs to own the mountpoint directory.
=46rom the manpage for mount(2):
ERRORS
The mount() function will fail when one of the following occurs:
[EPERM] The caller is neither the super-user nor the
owner of dir.
Ceri
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