#!/bin/sh
#
# $FreeBSD: src/etc/periodic/daily/470.status-named,v 1.6 2003/11/07 21:55:35 ru Exp $
# $DragonFly: src/etc/periodic/daily/470.status-named,v 1.3 2004/11/15 08:11:59 joerg Exp $
#

# 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

catmsgs() {
	find /var/log -name 'messages.*' -mtime -2 |
	    sort -t. -r -n -k 2,2 |
	    while read f
	    do
		case $f in
		    *.gz)	zcat -f $f;;
		    *.bz2)	bzcat -f $f;;
		esac
	    done
	[ -f /var/log/messages ] && cat /var/log/messages
}

case "$daily_status_named_enable" in
    [Yy][Ee][Ss])
	echo
	echo 'Checking for denied zone transfers (AXFR and IXFR):'

	start=`date -v-1d '+%b %e'`
	rc=$(catmsgs |
	    fgrep '^'"$start"'.*named\[[[:digit:]]\+\]: denied [AI]XFR from \[.*\]\.[[:digit:]]\+ for' | \
	    sed -e 's/.*: denied [AI]XFR from \[\(.*\)\]\.[[:digit:]]* for "\(.*\)".*$/\2 from \1/'
	    sort -f | uniq -ic | (
		usedns=0
		if [ X"${daily_status_named_usedns}" != X"" ]; then
			case $daily_status_named_usedns in
			[yY][eE][sS])   usedns=1 ;;
			esac
		fi

		while read line ;do
			ipaddr=`echo "$line" | sed -e 's/^.*from //'`
			if [ $usedns -eq 1 ]; then
				name=`host "${ipaddr}" 2>/dev/null | \
				   grep 'domain name pointer' | \
				   sed -e 's/^.* //'`
			fi
			if [ X"${name}" != X"" ]; then
				echo "${line} (${name})"
			else
				echo "${line}"
			fi
		done ) | \
		tee /dev/stderr | wc -l)
	[ $rc -gt 0 ] && rc=1
	;;

    *)  rc=0;;
esac

exit $rc