Date: Wed, 4 Jul 2007 10:12:18 -0500 (CDT)
From: "Sean C. Farley" <scf@FreeBSD.org>
To: Andrey Chernov <ache@nagual.pp.ru>
Cc: freebsd-current <freebsd-current@FreeBSD.org>, Michal Mertl <mime@traveller.cz>
Subject: Re: Environment handling broken in /bin/sh with changes to {get,set,put}env()
Message-ID: <20070704101026.O77978@thor.farley.org>
In-Reply-To: <20070704150312.GB31683@nagual.pp.ru>
References: <1183557221.1799.16.camel@genius.i.cz> <20070704143642.GA31254@nagual.pp.ru> <20070704150312.GB31683@nagual.pp.ru>
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On Wed, 4 Jul 2007, Andrey Chernov wrote: > On Wed, Jul 04, 2007 at 06:36:42PM +0400, Andrey Chernov wrote: >> 2) "s" may point to getenv()-provided value there. So just modifying >> it directly followed by setenv() call will make things inconsistent. >> >> 3) In my version of patch there was savestr() which copy arg to avoid >> this situation. >> >> Fix will be to restore var.c to mine variant 1.34 > > You may also try this patch against var.c 1.36: Andrey, thank you. Sorry for the bug everyone. Here is a patch that should fix it: http://www.farley.org/freebsd/tmp/setenv/sh.patch Sean -- scf@FreeBSD.org
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