DirectAdmin ClamAV test running state

clamdcheck

#!/bin/sh

# path to an empty dummy test file
testfile="/usr/local/directadmin/scripts/custom/clamav.txt"

# path to the clamav database files without the ending "/"
dbfolder="/usr/local/share/clamav"

# path to the clamdscan executable
scan="/usr/local/bin/clamdscan"

# path to the freshclam executable
freshdb="/usr/local/bin/freshclam"

# number of times the script tries to kick start clamd
trial=10

# email of server administrator
email="user@domain.com"

# server hostname (no modification needed)
myhost=$(hostname)

# email alert subject on failure
subject="Clamd on ${myhost} is down!"

# email alert body message on failure
message="Clamd on ${myhost} is down!"

output=$($scan $testfile | grep "SCAN SUMMARY")

if [ -z "$output" ]; then
	echo "Clamd is not running!"
	echo "Now trying to start clamd..."
	for (( i=1; i<=$trial; i++ ))
	do
		echo "Trial $i..."
		/sbin/service clamd restart
		output=$($scan $testfile | grep "SCAN SUMMARY")
		if [ -n "$output" ]; then
			break
		else
			sleep 3
		fi
	done
	if [ -z "$output" ]; then
		echo "Clamd is still not running!"
		echo "Now trying to refresh clamav database..."
		rm -Rf $dbfolder/*
		$freshdb
		/sbin/service clamd restart
		output=$($scan $testfile | grep "SCAN SUMMARY")
		if [ -z "$output" ]; then
			echo "Clamd is still not running!"
			echo "$message" | mail -s "$subject" "$email"
			echo "Giving up... email alert has been sent to administrator."
		else
			echo "Clamd is running now!"
		fi
	else
		echo "Clamd is running now!"
	fi
else
	echo "Clamd is running!"
fi