#!/bin/sh
#
# Trim osmlog  nightly out of the root cron
#
# needed if you keep your server up for a long time
# and you use syslog 
#
# stops /dev/osm getting too large
# on average we grow /dev/osm at 1MB a day, and the  system only
# trims the file on a reboot. Over a sustained period of uptime
# it starts to eat up disk space on /var

cd /var/adm/log
pid=
if [ -z "$_AUTOBOOT" ]
then
        pid=`/bin/ps -ef | /bin/grep /dev/osm | /bin/grep cat | /bin/awk '{print $2}'`
fi      
if [ "${pid}" = "" ]
then
	:
else
	kill -9 ${pid}
fi

# make sure the linkage is correct
rm /etc/.osm >/dev/null 2>&1
ln -s /var/adm/log/osmlog /etc/.osm
# Not yet running
# First, save old file
if [ -f /var/adm/log/osmlog ]
then
	LOG=osmlog
	test -f $LOG.6 && mv $LOG.6  $LOG.7
	test -f $LOG.5 && mv $LOG.5  $LOG.6
	test -f $LOG.4 && mv $LOG.4  $LOG.5
	test -f $LOG.3 && mv $LOG.3  $LOG.4
	test -f $LOG.2 && mv $LOG.2  $LOG.3
	test -f $LOG.1 && mv $LOG.1  $LOG.2
	test -f $LOG.0 && mv $LOG.0  $LOG.1
	test -f $LOG && mv $LOG  $LOG.0
	# just in case it got changed by someone
	chmod 644 /var/adm/log/osmlog.[0-7]
fi

# If Enhanced Security is running,
# then allocate /dev/osm
mldmode > /dev/null 2>&1	# shell built-in
if [ "$?" = "0" ]
then
	/usr/sbin/admalloc osm
fi

# Start the daemon in the background
cat /dev/osm > /var/adm/log/osmlog &
chmod 644 /var/adm/log/osmlog