Date: Tue, 31 Mar 2015 11:44:26 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Willem Jan Withagen <wjw@digiware.nl> Cc: freebsd-security@freebsd.org Subject: Re: ftpd don't record login in utmpx Message-ID: <20150331084426.GX23643@zxy.spb.ru> In-Reply-To: <551A561C.5000904@digiware.nl> References: <20150330142543.GD74532@zxy.spb.ru> <44y4me9gfi.fsf@lowell-desk.lan> <20150331034402.GE74532@zxy.spb.ru> <551A561C.5000904@digiware.nl>
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On Tue, Mar 31, 2015 at 10:09:00AM +0200, Willem Jan Withagen wrote:
> On 31-3-2015 05:44, Slawa Olhovchenkov wrote:
> > On Mon, Mar 30, 2015 at 08:08:49PM -0400, Lowell Gilbert wrote:
> >
> >> Slawa Olhovchenkov <slw@zxy.spb.ru> writes:
> >>
> >>> ftpd from FreeBSD-10 and up don't record ftp logins to utmpx database
> >>> (for case of chrooted login).
> >>> This is lack security information.
> >>> I found this is done by r202209 and r202604.
> >>> I can't understand reason of this.
> >>> Can somebody explain?
> >>
> >> Having a jail log into the base system is a security issue in the
> >> making. Can't you do this in a safer way by doing remote logging to the
> >> base system rather than having the jail hold on to a file handle that
> >> belongs outside the jail?
> >
> > Jail? Why I you talk about jail?
> >
> >> It's certainly possible to maintain these kinds of capabilities, but
> >> you would have to convince code reviewers that the same results can't be
> >> achieved some other way that's easier to secure.
>
> I might have just too many miles on the clock already....
>
> It used to liek this: to be able to do anything usefull in a chroot,
> you'd rebuild those parts of the system tree that you need in under the
> chrootdir.
> Eg. including ls(1) and all the libs it needed to function in ftpd.
> Some for apaches that ran chrooted, you'd carry/duplicate all you needed
> into the chroot env
>
> So in this case you probably need
> ${CHROOTDIR/var/log
> and create the database there.
I have many ftp acconts, than need be isolated by ftp.
I need united database about login and logout.
FreeBSD 1.x-9.x do this.
Why this removed in 10.x?
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