OneIPOneAccount

<?xml version="1.0"?>
<!DOCTYPE modification SYSTEM "http://www.simplemachines.org/xml/modification">
<modification xmlns="http://www.simplemachines.org/xml/modification" xmlns:smf="http://www.simplemachines.org/">
	<name>One Account One Ip</name>
	<id>ips_doug:OneAccountOneIp</id>
	<version>1.0</version>
	<file name="$sourcedir/Register.php">
		<operation>
			<search position="replace"><![CDATA[// Begin the registration process.
function Register($reg_errors = array())
{
	global $txt, $boarddir, $context, $settings, $modSettings, $user_info;
	global $language, $scripturl, $smcFunc, $sourcedir, $smcFunc, $cur_profile;]]></search>
			<add><![CDATA[// Begin the registration process.
function Register($reg_errors = array())
{
	global $txt, $boarddir, $context, $settings, $modSettings, $user_info;
	global $language, $scripturl, $smcFunc, $sourcedir, $smcFunc, $cur_profile;

	//Prevent users from registering more than account from the same ip
	$request = $smcFunc['db_query']('', '
			SELECT COUNT(*)
			FROM {db_prefix}members
			WHERE member_ip = {string:member_ip}
				AND member_ip2 = {string:member_ip2}',
			array(
				'member_ip' => $_SERVER['REMOTE_ADDR'],
				'member_ip2' => $_SERVER['REMOTE_ADDR'],
			)
		);

		list ($exists) = $smcFunc['db_fetch_row']($request);
		$smcFunc['db_free_result']($request);

		if (!empty($exists))
			fatal_lang_error('ip_already_registered_once', false, array($_SERVER['REMOTE_ADDR']));]]></add>
		</operation>
	</file>
<file name="$languagedir/Modifications.english.php">
	<operation>
		<search position="end" />
			<add><![CDATA[$txt['ip_already_registered_once'] = 'According to our database records there is already an account registered from this ip: %s.';]]></add>
	</operation>
</file>
<file name="$languagedir/Modifications.english-utf8.php" error="skip">
	<operation>
		<search position="end" />
			<add><![CDATA[$txt['ip_already_registered_once'] = 'According to our database records there is already an account registered from this ip: %s.';]]></add>
	</operation>
</file>
</modification>