Date: Fri, 16 Jun 2006 12:39:30 +1000 From: "Scott, Brian" <Brian.Scott@det.nsw.edu.au> To: <olivier.taylor@phonext.com>, <davids@webmaster.com> Cc: freebsd-stable@freebsd.org Subject: RE: save-entropy Message-ID: <93F091C9B5CFAF409180B07728D682E9165A91@ALF6.riverina.det.win>
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That would be the old 'accidentally deleted a # from a line in rc.conf' p=
roblem. There are likely to be several lines beginning '# -- ' in the fil=
e. New users often accidentally remove the # making the '--' into a comma=
nd. There will also be a few messages during startup that will also compl=
ain about the '--' command but most people ignore these.=20
-----Original Message-----
From: owner-freebsd-stable@freebsd.org [mailto:owner-freebsd-stable@freeb=
sd.org] On Behalf Of olivier.taylor
Sent: Thursday, 15 June 2006 8:59 PM
To: davids@webmaster.com
Cc: freebsd-stable@freebsd.org
Subject: Re: save-entropy
=20 freebsd 5.4
=20 #!/bin/sh
=20 #
=20 # Copyright (c) 2001-2005 Douglas Barton, [1]DougB@FreeBSD.org
=20 # All rights reserved.
=20 #
=20 # Redistribution and use in source and binary forms, with or without=
=20 # modification, are permitted provided that the following conditions=
=20 # are met:
=20 # 1. Redistributions of source code must retain the above copyright
=20 # notice, this list of conditions and the following disclaimer.
=20 # 2. Redistributions in binary form must reproduce the above copyrig=
ht
=20 # notice, this list of conditions and the following disclaimer in=
=20 the
=20 # documentation and/or other materials provided with the
=20 distribution.
=20 #
=20 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''=
=20 AND
=20 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
=20 THE
=20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR=
=20 PURPOSE
=20 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
=20 LIABLE
=20 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
=20 CONSEQUENTIAL
=20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
=20 GOODS
=20 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
=20 INTERRUPTION)
=20 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT=
,
=20 STRICT
=20 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
=20 ANY WAY
=20 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILIT=
Y
=20 OF
=20 # SUCH DAMAGE.
=20 #
=20 # $FreeBSD: src/libexec/save-entropy/save-entropy.sh,v 1.2.12.1
=20 2005/04/14 21:49:13 dougb Exp $
=20 # This script is called by cron to store bits of randomness which ar=
e
=20 # then used to seed /dev/random on boot.
=20 # Originally developed by Doug Barton, [2]DougB@FreeBSD.org
=20 PATH=3D/bin:/usr/bin
=20 # If there is a global system configuration file, suck it in.
=20 #
=20 if [ -r /etc/defaults/rc.conf ]; then
=20 . /etc/defaults/rc.conf
=20 source_rc_confs
=20 elif [ -r /etc/rc.conf ]; then
=20 . /etc/rc.conf
=20 fi
=20 case ${entropy_dir} in
=20 [Nn][Oo])
=20 exit 0
=20 ;;
=20 *)
=20 entropy_dir=3D${entropy_dir:-/var/db/entropy}
=20 ;;
=20 esac
=20 entropy_save_sz=3D${entropy_save_sz:-2048}
=20 entropy_save_num=3D${entropy_save_num:-8}
=20 if [ ! -d "${entropy_dir}" ]; then
=20 umask 077
=20 mkdir "${entropy_dir}" || {
=20 logger -is -t "$0" The entropy directory "${entropy_dir}" do=
es
=20 not \
=20 exist, and cannot be created. Therefore no entropy can be saved. ;
=20 exit 1;}
=20 /usr/sbin/chown operator:operator "${entropy_dir}"
=20 chmod 0700 "${entropy_dir}"
=20 fi
=20 umask 377
=20 for file_num in `jot ${entropy_save_num} ${entropy_save_num} 1`; do
=20 if [ -e "${entropy_dir}/saved-entropy.${file_num}" ]; then
=20 if [ -f "${entropy_dir}/saved-entropy.${file_num}" ]; then
=20 new_num=3D$(($file_num + 1))
=20 if [ "${new_num}" -gt "${entropy_save_num}" ]; then
=20 rm -f "${entropy_dir}/saved-entropy.${file_num}"
=20 else
=20 mv "${entropy_dir}/saved-entropy.${file_num}" \
=20 "${entropy_dir}/saved-entropy.${new_num}"
=20 fi
=20 else
=20 logger -is -t "$0" \
=20 "${entropy_dir}/saved-entropy.${file_num} is not a regular file, and=
=20 therefore \
=20 it will not be rotated. Entropy file harvesting is aborted."
=20 exit 1
=20 fi
=20 fi
=20 done
=20 dd if=3D/dev/random of=3D"${entropy_dir}/saved-entropy.1" \
=20 bs=3D"$entropy_save_sz" count=3D1 2> /dev/null
=20 exit 0
=20 David Schwartz a =E9crit :
Since a few days, I receive this in /var/mail/root
Any idea?
Olivier
=20From [3]operator@xxx.be Thu Jun 15 11:11:00 2006
Return-Path: [4]<operator@xxx.be>
Received: from xxx.be (localhost [127.0.0.1])
=20 by finalcut.be (8.13.3/8.13.3) with ESMTP id k5F9B0Pu051577
=20 for [5]<operator@xxx.be>; Thu, 15 Jun 2006 11:11:00 +0200 (CEST)
=20 (envelope-from [6]operator@xxx.be)
Received: (from operator@localhost)
=20 by finalcut.be (8.13.3/8.13.3/Submit) id k5F9B0jf051566;
=20 Thu, 15 Jun 2006 11:11:00 +0200 (CEST)
=20 (envelope-from operator)
Date: Thu, 15 Jun 2006 11:11:00 +0200 (CEST)
Message-Id: [7]<200606150911.k5F9B0jf051566@xxx.be>
From: [8]operator@xxx.be (Cron Daemon)
To: [9]operator@xxx.be
Subject: Cron <operator@xxx> /usr/libexec/save-entropy
X-Cron-Env: <SHELL=3D/bin/sh>
X-Cron-Env: <PATH=3D/etc:/bin:/sbin:/usr/bin:/usr/sbin>
X-Cron-Env: <HOME=3D/>
X-Cron-Env: <LOGNAME=3Doperator>
X-Cron-Env: <USER=3Doperator>
--: not found
=20 FreeBSD version? Contents of /usr/libexec/save-entropy?
=20 DS
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References
=20 1. mailto:DougB@FreeBSD.org
=20 2. mailto:DougB@FreeBSD.org
=20 3. mailto:operator@xxx.be
=20 4. mailto:operator@xxx.be
=20 5. mailto:operator@xxx.be
=20 6. mailto:operator@xxx.be
=20 7. mailto:200606150911.k5F9B0jf051566@xxx.be
=20 8. mailto:operator@xxx.be
=20 9. mailto:operator@xxx.be
=20 10. mailto:freebsd-stable@freebsd.org
=20 11. http://lists.freebsd.org/mailman/listinfo/freebsd-stable
=20 12. mailto:freebsd-stable-unsubscribe@freebsd.org
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