system_ip_blocking_form_submit($form, &$form_state)modules/system/system.admin.inc, line 1461
<?php
function system_ip_blocking_form_submit($form, &$form_state) {
$ip = trim($form_state['values']['ip']);
db_insert('blocked_ips')
->fields(array('ip' => $ip))
->execute();
drupal_set_message(t('The IP address %ip has been blocked.', array('%ip' => $ip)));
$form_state['redirect'] = 'admin/config/people/ip-blocking';
return;
}
?>