Date: Fri, 11 Jan 2002 19:01:20 -0700 (MST) From: "M. Warner Losh" <imp@village.org> To: cjclark@alum.mit.edu, cristjc@earthlink.net Cc: bright@mu.org, security@FreeBSD.ORG Subject: Re: netbsd's daemon(3) fixes. Message-ID: <20020111.190120.81022760.imp@village.org> In-Reply-To: <20020111141420.K11553@blossom.cjclark.org> References: <20020111141420.K11553@blossom.cjclark.org>
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In message: <20020111141420.K11553@blossom.cjclark.org>
"Crist J . Clark" <cristjc@earthlink.net> writes:
: On Fri, 11 Jan 2002 11:21:44 -0800, Alfred Perlstein wrote:
: > I saw some recent fixes in netbsd wrt when daemon is called in
: > various daemons, anyone have time to see if this is applicable
: > to us? And whether or not to merge the fixes in?
:
: If we go back to the recent fixes OpenBSD did first, the cvs logs give
: reasons like,
:
: daemon() can close innocent file descriptors, including opened log.
: be more carefull about that and nicer to debugging.
: daemon() thingie was pointed out by markus@ .
:
: So it's not really a security issue that I can see. I'm not sure if I
: understand under what conditions a daemon(3) call will close
: "innocent" file descriptors.
I think we need the change, since innocent file descriptors might be
important.
Warner
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