scan_hosts.sh

NMAP=$(nmap -sP -PA21,22,25,554,3389 192.168.1.1/24) # set here the proper internal IP range

cat /dev/null > /tmp/hosts.ldif #tmp file
TIME=$(date +"%s")
# If your LDAP base is different modify here (note that dc=amm is used and generated by the program)
BASE="dc=amm,dc=nodomain"
echo dn: timestamp=$TIME,$BASE >> /tmp/hosts.ldif
echo objectClass: scan >> /tmp/hosts.ldif
echo timestamp: $TIME >> /tmp/host.ldif
echo >> /tmp/hosts.ldif

echo $NMAP | awk -F'Nmap scan report for ' '{ 
	for(i = 2; i <= NF; i++) { 
		split($i,ipLine," Host"); 
		split($i,macLine,". MAC Address: "); 
		split(macLine[2],mac," \(")
		len = split(ipLine[1],hostname," \("); 

		if( len > 1 ) {
			print substr(hostname[2], 1, length(hostname[2]) - 1) "|" hostname[1] "|" mac[1]; 
		} else {
			print hostname[1] "||" mac[1];
		}
	} 
}' | while IFS='|' read IP HOST MAC; do
#	echo "Adding entry: ip " $IP " hostname " $HOST " mac " $MAC
	if [ "$IP" ] ; then
		echo dn: ip=$IP,timestamp=$TIME,$BASE
		echo objectClass: node
		echo ip: $IP
		if [ "$MAC" ] ; then
			echo mac: $MAC
		fi
		if [ "$HOST" ] ; then
			echo hostname: $HOST
		fi
		echo
	fi >> /tmp/hosts.ldif
done;
#                 set here your user     set here password             log file (you can move or it's deleted on reboot)
ldapadd -c -x -D "cn=admin,dc=nodomain" -w admin -f /tmp/hosts.ldif >> /tmp/scan.log 2>&1