One Hat Cyber Team

Your IP : 216.73.216.80

Server IP : 194.44.31.54

Server : Linux zen.imath.kiev.ua 4.18.0-553.77.1.el8_10.x86_64 #1 SMP Fri Oct 3 14:30:23 UTC 2025 x86_64

Server Software : Apache/2.4.37 (Rocky Linux) OpenSSL/1.1.1k

PHP Version : 5.6.40

View File Name : 29-lookup-hostname

# Lookup the hostname in DNS if not set

lookup_hostname()
{
	[ -z "$new_ip_address" ] && return 1
	# Silly ISC programs love to send error text to stdout
	if command -v dig >/dev/null 2>&1; then
		h=$(dig +short -x $new_ip_address)
		if [ $? = 0 ]; then
			echo "$h" | sed 's/\.$//'
			return 0
		fi
	elif command -v host >/dev/null 2>&1; then
		h=$(host $new_ip_address)
		if [ $? = 0 ]; then 
			echo "$h" \
			| sed 's/.* domain name pointer \(.*\)./\1/'
			return 0
		fi
	elif command -v getent >/dev/null 2>&1; then
		h=$(getent hosts $new_ip_address)
		if [ $? = 0 ]; then
			echo "$h" | sed 's/[^ ]* *\([^ ]*\).*/\1/'
			return 0
		 fi
	fi
	return 1
}

set_hostname()
{
	if [ -z "${new_host_name}${new_fqdn_name}" ]; then
		export new_host_name="$(lookup_hostname)"
	fi
}

if $if_up; then
	set_hostname
fi