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Date: Tue, 10 Jul 2012 18:34:58 +0400
From: Solar Designer <solar@...nwall.com>
To: oss-security@...ts.openwall.com
Subject: Re: libdbus hardening

On Tue, Jul 10, 2012 at 04:30:44PM +0200, Sebastian Krahmer wrote:
> On Tue, Jul 10, 2012 at 06:22:28PM +0400, Solar Designer wrote:
> > If this is not for upstream and you only need it working on a particular
> > distro with glibc, then why not use __secure_getenv()?
> 
> Indeed, if it is a exported symbol on the glibc versions we ship,
> we should consider this. I remember a discussion that it was somehow
> not available in the past.

That was about __libc_enable_secure.  I'm not sure if the same applies
to __secure_getenv() or not.  In Owl and ALT Linux, both are available
for apps.  You could/should make your glibc export these, too.

http://www.openwall.com/lists/oss-security/2011/05/16/11

Alexander

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