conf/117577: rc.d/jail doesn't resolve symlinks

Simon L. Nielsen simon at FreeBSD.org
Sun Oct 28 10:00:04 PDT 2007


The following reply was made to PR conf/117577; it has been noted by GNATS.

From: "Simon L. Nielsen" <simon at FreeBSD.org>
To: Johan Granath <nollan at phreaker.net>
Cc: freebsd-gnats-submit at FreeBSD.org
Subject: Re: conf/117577: rc.d/jail doesn't resolve symlinks
Date: Sun, 28 Oct 2007 17:32:58 +0100

 On 2007.10.27 22:17:00 +0000, Johan Granath wrote:
 
 > When setting the jail_jailname_rootdir to a path that contains
 > symlinks, the rc.d/jail script has problems mounting mount_devfs on
 > that path, obviously. To solve the issue you have to put the
 > absolute path to that rcvar.
 
 This is a known limitation.  It sucks but so far nobody has been able
 to / cared enough to come up with a patch which handles the symlinks
 in a secure manner.  See
 http://security.freebsd.org/advisories/FreeBSD-SA-07:01.jail.asc for
 details.
 
 > In my opinion th rc.d/jail script should handle this, so I made a patch.
 
 There wasn't a patch attached to the PR?
 
 -- 
 Simon L. Nielsen


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