From owner-freebsd-current@FreeBSD.ORG Wed Sep 17 09:07:45 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 28E861065671; Wed, 17 Sep 2008 09:07:45 +0000 (UTC) (envelope-from ache@nagual.pp.ru) Received: from nagual.pp.ru (nagual.pp.ru [194.87.13.69]) by mx1.freebsd.org (Postfix) with ESMTP id 8F3498FC15; Wed, 17 Sep 2008 09:07:39 +0000 (UTC) (envelope-from ache@nagual.pp.ru) Received: from nagual.pp.ru (ache@localhost [127.0.0.1]) by nagual.pp.ru (8.14.3/8.14.3) with ESMTP id m8H97cMn059024; Wed, 17 Sep 2008 13:07:38 +0400 (MSD) (envelope-from ache@nagual.pp.ru) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=nagual.pp.ru; s=default; t=1221642458; bh=DBEURtM5MO2boh6ODU7YJJb5h0hv83qCcOdtPWB tqto=; l=679; h=Date:From:To:Subject:Message-ID:References: MIME-Version:Content-Type:In-Reply-To; b=Nat2B+pAzWetiaJtMs0jNkE6o k9NDcWpr6B5qfeuvPcREZziZCejePtgVxVzHKFRNljWT283W8jo1NwhwYUxvAx8rGKs +dy2hXaEC6l649cBhlpwW2ZXGcfwmSLiNWjyQ7olFAQosqs2Q4EVrZ21c8+bx//eICx 2LxvrtPSLLmM= Received: (from ache@localhost) by nagual.pp.ru (8.14.3/8.14.3/Submit) id m8H97b7u059023; Wed, 17 Sep 2008 13:07:37 +0400 (MSD) (envelope-from ache) Date: Wed, 17 Sep 2008 13:07:37 +0400 From: Andrey Chernov To: Poul-Henning Kamp , Daniel Eischen , Max Laier , freebsd-current@freebsd.org Message-ID: <20080917090737.GD57480@nagual.pp.ru> Mail-Followup-To: Andrey Chernov , Poul-Henning Kamp , Daniel Eischen , Max Laier , freebsd-current@freebsd.org References: <20080917075513.GB55535@nagual.pp.ru> <89506.1221638697@critter.freebsd.dk> <20080917090101.GC57480@nagual.pp.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080917090101.GC57480@nagual.pp.ru> User-Agent: Mutt/1.5.18 (2008-05-17) Cc: Subject: Re: Is fork() hook ever possible? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Sep 2008 09:07:45 -0000 On Wed, Sep 17, 2008 at 01:01:01PM +0400, Andrey Chernov wrote: > > The solution however, is simple: Just have these hidden library calls > > to arc4random call a wrapper function that does the pid check. > > We can control our own arc4random() internal calls inside our own libs in > such way but can't control 3rd party libs or programs arc4random() calls > (consider ports). There is no special mentions of pid check needed in > arc4random() general API, so 3rd party code will tends to not come to that > matter. Moreover, in the light of OpenBSD move checking pid, 3rd party code oriented on OpenBSD will not do so definitely. -- http://ache.pp.ru/