Date: Wed, 28 May 2008 22:45:54 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: John Baldwin <jhb@freebsd.org> Cc: cvs-src@freebsd.org, Michael Reifenberger <mike@reifenberger.com>, src-committers@freebsd.org, Robert Watson <rwatson@freebsd.org>, cvs-all@freebsd.org Subject: Re: cvs commit: src/usr.sbin/jexec jexec.8 jexec.c Message-ID: <20080528204554.GA2865@garage.freebsd.pl> In-Reply-To: <200805281309.49683.jhb@freebsd.org> References: <200805261157.m4QBvnpF025029@repoman.freebsd.org> <20080526144831.K26343@fledge.watson.org> <20080526140735.GA35960@gw.reifenberger.com> <200805281309.49683.jhb@freebsd.org>
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--J/dobhs11T7y2rNN Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, May 28, 2008 at 01:09:49PM -0400, John Baldwin wrote: > On Monday 26 May 2008 10:07:35 am Michael Reifenberger wrote: > > On Mon, May 26, 2008 at 02:49:16PM +0100, Robert Watson wrote: > > > On Mon, 26 May 2008, Michael Reifenberger wrote: > > >=20 > > > > Extend jexec to accept hostname or ip-number besides jail-id. > > >=20 > > > It might be worth adding a caution in the man page notes somewhere th= at=20 > > > neither hostname nor IP address are guaranteed to uniquely identify a= jail=20 > > > --=20 > > > in which case, which will jexec choose? > >=20 > > I'll add some cautions to the man page. > > The jail is found by an loop through the sysctl security.jail.list > > and comparing argv against ip-number and hostname. > > The first matching jail is used then. > > Makes sense only for those who keep their jails uniquely identifyable= =20 > > by hostname or ip-number, of corse. >=20 > Maybe make it only work if it only matches a single jail? That would wor= k for=20 > the common case while avoiding ambiguities in the complex cases. Yeah. I'd also suggest to not even try to match hostnames if security.jail.set_hostname_allowed is set to 1. --=20 Pawel Jakub Dawidek http://www.wheel.pl pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --J/dobhs11T7y2rNN Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4 (FreeBSD) iD8DBQFIPcSAForvXbEpPzQRAiErAJ45tR2mgzXWcSwhW7Zax6ul5MCbsgCgyiWK g69RyYL3/o4rakweP6u7JVQ= =fzm+ -----END PGP SIGNATURE----- --J/dobhs11T7y2rNN--
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