FreeBSD-5.3/etc/periodic/security/650.ip6fwlimit

#!/bin/sh -
#
# Copyright (c) 2001  The FreeBSD Project
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# $FreeBSD: src/etc/periodic/security/650.ip6fwlimit,v 1.6 2003/06/30 22:06:26 mtm Exp $
#

# Show ip6fw rules which have reached the log limit
#

# If there is a global system configuration file, suck it in.
#
if [ -r /etc/defaults/periodic.conf ]
then
    . /etc/defaults/periodic.conf
    source_periodic_confs
fi

rc=0

case "$daily_status_security_ip6fwlimit_enable" in
    [Yy][Ee][Ss])
	TMP=`mktemp -t security`
	IP6FW_LOG_LIMIT=`sysctl -n net.inet6.ip6.fw.verbose_limit 2> /dev/null`
	if [ $? -eq 0 ] && [ "${IP6FW_LOG_LIMIT}" -ne 0 ]; then
	    ip6fw -a l | grep " log " | \
	    grep '^[[:digit:]]\+[[:space:]]\+[[:digit:]]\+' | \
	    awk -v limit="$IPFW_LOG_LIMIT" \
		'{if ($2 > limit) {print $0}}' > ${TMP}
	    if [ -s "${TMP}" ]; then
		rc=1
		echo ""
		echo 'ip6fw log limit reached:'
		cat ${TMP}
	    fi
	fi
	rm -f ${TMP};;
    *)	rc=0;;
esac

exit $rc