freebsd 5.4
#!/bin/sh
#
# Copyright (c) 2001-2005 Douglas Barton, [EMAIL PROTECTED]
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
the
# documentation and/or other materials provided with the
distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS''
AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF
# SUCH DAMAGE.
#
# $FreeBSD: src/libexec/save-entropy/save-entropy.sh,v 1.2.12.1
2005/04/14 21:49:13 dougb Exp $
# This script is called by cron to store bits of randomness which are
# then used to seed /dev/random on boot.
# Originally developed by Doug Barton, [EMAIL PROTECTED]
PATH=/bin:/usr/bin
# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/rc.conf ]; then
. /etc/defaults/rc.conf
source_rc_confs
elif [ -r /etc/rc.conf ]; then
. /etc/rc.conf
fi
case ${entropy_dir} in
[Nn][Oo])
exit 0
;;
*)
entropy_dir=${entropy_dir:-/var/db/entropy}
;;
esac
entropy_save_sz=${entropy_save_sz:-2048}
entropy_save_num=${entropy_save_num:-8}
if [ ! -d "${entropy_dir}" ]; then
umask 077
mkdir "${entropy_dir}" || {
logger -is -t "$0" The entropy directory "${entropy_dir}" does
not \
exist, and cannot be created. Therefore no entropy can be saved. ;
exit 1;}
/usr/sbin/chown operator:operator "${entropy_dir}"
chmod 0700 "${entropy_dir}"
fi
umask 377
for file_num in `jot ${entropy_save_num} ${entropy_save_num} 1`; do
if [ -e "${entropy_dir}/saved-entropy.${file_num}" ]; then
if [ -f "${entropy_dir}/saved-entropy.${file_num}" ]; then
new_num=$(($file_num + 1))
if [ "${new_num}" -gt "${entropy_save_num}" ]; then
rm -f "${entropy_dir}/saved-entropy.${file_num}"
else
mv "${entropy_dir}/saved-entropy.${file_num}" \
"${entropy_dir}/saved-entropy.${new_num}"
fi
else
logger -is -t "$0" \
"${entropy_dir}/saved-entropy.${file_num} is not a regular file, and
therefore \
it will not be rotated. Entropy file harvesting is aborted."
exit 1
fi
fi
done
dd if=/dev/random of="${entropy_dir}/saved-entropy.1" \
bs="$entropy_save_sz" count=1 2> /dev/null
exit 0
David Schwartz a écrit :
Since a few days, I receive this in /var/mail/root
Any idea?
Olivier
From [EMAIL PROTECTED] Thu Jun 15 11:11:00 2006
Return-Path: [4]<[EMAIL PROTECTED]>
Received: from xxx.be (localhost [127.0.0.1])
by finalcut.be (8.13.3/8.13.3) with ESMTP id k5F9B0Pu051577
for [5]<[EMAIL PROTECTED]>; Thu, 15 Jun 2006 11:11:00 +0200 (CEST)
(envelope-from [EMAIL PROTECTED])
Received: (from [EMAIL PROTECTED])
by finalcut.be (8.13.3/8.13.3/Submit) id k5F9B0jf051566;
Thu, 15 Jun 2006 11:11:00 +0200 (CEST)
(envelope-from operator)
Date: Thu, 15 Jun 2006 11:11:00 +0200 (CEST)
Message-Id: [7]<[EMAIL PROTECTED]>
From: [EMAIL PROTECTED] (Cron Daemon)
To: [EMAIL PROTECTED]
Subject: Cron <[EMAIL PROTECTED]> /usr/libexec/save-entropy
X-Cron-Env: <SHELL=/bin/sh>
X-Cron-Env: <PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin>
X-Cron-Env: <HOME=/>
X-Cron-Env: <LOGNAME=operator>
X-Cron-Env: <USER=operator>
--: not found
FreeBSD version? Contents of /usr/libexec/save-entropy?
DS
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