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#!/bin/sh
#
# check_mailscanner
#
# $Id: check_mailscanner 4164 2007-09-03 17:14:03Z sysjkf $
#
# Script to check whether mailscanner process is running, and
# start it up if not.
#
# Copyright (C) 2002 Julian Field, Nick Phillips
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# The author, Julian Field, can be contacted by email at
# Jules@JulianField.net
# or by paper mail at
# Julian Field
# Dept of Electronics & Computer Science
# University of Southampton
# Southampton
# SO17 1BJ
# United Kingdom
#
# Check that the virus scanner is still running.
# Re-start it if necessary.
# This can also be used from the init script to
# start it in the first place.
# This can be called with a "-q" command-line option so that it is quiet
# unless MailScanner actually had to be started.
process=MailScanner
msbindir=/opt/MailScanner/bin
config=/opt/MailScanner/etc/MailScanner.conf
# These seem to get put all over the shop...
PATH=/usr/bin:/bin
export PATH
PERL=perl
AWK=awk
GREP=grep
FGREP=fgrep
EGREP=egrep
PGREP=pgrep
PS=ps
UNAME='uname -a'
#TAINTWARN='-Tw'
TAINTWARN=
RETVALUE=" Done."
# If this does not work on your system, please don't
# just send us a version that does, please please please
# send example output that demonstrates *why* it doesn't
# work, what version of what system you are running etc.
# If you do this then I *will* make this work right for
# everybody.
# -- Nick Phillips <nwp@lemon-computing.com>
if $UNAME | $FGREP "SunOS" >/dev/null ; then
# Version for Solaris/SysV systems:
pid=`$PGREP $process`
elif $UNAME | $FGREP "HP" >/dev/null ; then
# Version for HP-UX
pid=`ps -efx |
fgrep $msbindir/$process |
fgrep -v fgrep |
awk '{print $2}'`
elif $UNAME | $FGREP "SCO" >/dev/null ; then
pid=`ps -e -o pid -o args |
fgrep $msbindir/$process |
grep -v grep |
sed -e 's/^ *//' -e 's/ .*//'`
elif $UNAME | $FGREP "Linux" >/dev/null ; then
pid=`$PS axww |
$EGREP $process'[:]|\['$process'\]|[ ]'$msbindir/$process |
awk '{ print $1 }'`
elif $UNAME | $FGREP "BSD" >/dev/null ; then
pid=`$PS -axww |
$EGREP '[ ]('$msbindir/$process')|'$process'[:]' |
$AWK '{print $1}'`
elif $UNAME | $FGREP "OSF" >/dev/null ; then
pid=`ps -e -o pid -o args |
$GREP '[ ]'$process |
grep -v grep |
awk '{ print $1 }'`
elif $UNAME | $FGREP "Darwin" >/dev/null ; then # ie Mac OSX
pid=`$PS axww |
$EGREP '[ ]('$msbindir/$process')|'$process'[:]' |
$AWK '{print $1}'`
else
# not BSD; everything else seems to do POSIX
pid=`COLUMNS=500 $PS -ef |
$EGREP '([ ]'$msbindir/$process')|'$process'[:]' |
$AWK '{print $2}'`
fi
# Not needed after 4.61.6.
## Make it run SpamAssassin out of tmpfs
#if [ -d /dev/shm ]; then
# TMPDIR=/dev/shm
# export TMPDIR
#fi
if [ "x$pid" = "x" ]; then
# Quietly try to raise the open_files limit
ulimit -n 2000 >/dev/null 2>&1
# Restart it
PATH=${msbindir}:$PATH
echo -n 'Starting MailScanner...'
cd $msbindir
$process $config || RETVALUE=" Failed."
echo "$RETVALUE"
else
if [ "x$1" != "x-q" ]; then
echo MailScanner running with pid $pid
fi
fi
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