function ip_is_blocked()
{
global $set;
if (!is_array($set['guestbook']['blockip'])) {
$set['guestbook']['blockip'] = array();
}
foreach ($set['guestbook']['blockip'] as $res) {
if ($res['endip'] === false && $res['startip'] == ip2float(get_remoteaddr()) || ip2float(get_remoteaddr()) >= $res['startip'] && ip2float(get_remoteaddr()) <= $res['endip']) {
return true;
}
}
return false;
}
function blockip()
{
global $set, $db, $apx, $html;
$_REQUEST['key'] = (int) $_REQUEST['key'];
//IP löschen
if ($_REQUEST['do'] == 'del') {
if ($_POST['send']) {
if (!checkToken()) {
printInvalidToken();
} else {
unset($set['guestbook']['blockip'][$_REQUEST['id']]);
$db->query("UPDATE " . PRE . "_config SET value='" . addslashes(serialize($set['guestbook']['blockip'])) . "' WHERE module='guestbook' AND varname='blockip' LIMIT 1");
printJSRedirect('action.php?action=guestbook.blockip');
}
} else {
$ip = float2ip($set['guestbook']['blockip'][$_REQUEST['id']]['startip']);
if ($set['guestbook']['blockip'][$_REQUEST['id']]['endip']) {
$ip .= ' - ' . float2ip($set['guestbook']['blockip'][$_REQUEST['id']]['endip']);
}
$apx->tmpl->assign('MESSAGE', $apx->lang->get('MSG_DEL', array('TITLE' => compatible_hsc($ip))));
tmessageOverlay('ipdel', array('ID' => $_REQUEST['id']));
}
return;
} elseif ($_REQUEST['do'] == 'add') {
if (!checkToken()) {
infoInvalidToken();
} else {
for ($i = 1; $i <= 4; $i++) {
$_POST['startip_' . $i] = (int) $_POST['startip_' . $i];
$_POST['endip_' . $i] = (int) $_POST['endip_' . $i];
if ($_POST['startip_' . $i] > 255) {
$_POST['startip_' . $i] = 255;
}
if ($_POST['startip_' . $i] < 0) {
$_POST['startip_' . $i] = 0;
}
if ($_POST['endip_' . $i] > 255) {
$_POST['endip_' . $i] = 255;
}
if ($_POST['endip_' . $i] < 0) {
$_POST['endip_' . $i] = 0;
}
}
$start = ip2float($_POST['startip_1'] . '.' . $_POST['startip_2'] . '.' . $_POST['startip_3'] . '.' . $_POST['startip_4']);
$end = ip2float($_POST['endip_1'] . '.' . $_POST['endip_2'] . '.' . $_POST['endip_3'] . '.' . $_POST['endip_4']);
if ($_POST['type'] == 1) {
$end = false;
}
//IPs umdrehen
if ($end !== false && $end < $start) {
$cache = $end;
$end = $start;
$start = $cache;
}
$set['guestbook']['blockip'][] = array('startip' => $start, 'endip' => $end);
$db->query("UPDATE " . PRE . "_config SET value='" . addslashes(serialize($set['guestbook']['blockip'])) . "' WHERE module='guestbook' AND varname='blockip' LIMIT 1");
printJSRedirect('action.php?action=guestbook.blockip');
}
return;
}
quicklink_index('guestbook.show');
quicklink_out();
//AUFLISTUNG BEGINNT
$ips = $set['guestbook']['blockip'];
if (!is_array($ips)) {
$ips = array();
}
$ips = array_sort($ips, 'startip', 'asc');
$col[] = array('COL_IPRANGE', 100, 'class="title"');
foreach ($ips as $i => $res) {
$start = float2ip($res['startip']);
$end = float2ip($res['endip']);
$tabledata[$i]['COL1'] = $start . iif($res['endip'], ' – ' . $end);
$tabledata[$i]['OPTIONS'] = optionHTMLOverlay('del.gif', 'guestbook.blockip', 'do=del&id=' . $i, $apx->lang->get('CORE_DEL'));
}
$apx->tmpl->assign('TABLE', $tabledata);
$html->table($col);
//Hinzufügen
if ($_REQUEST['setip']) {
$ipp = explode('.', $_REQUEST['setip'], 4);
$apx->tmpl->assign('IP_1', (int) $ipp[0]);
$apx->tmpl->assign('IP_2', (int) $ipp[1]);
$apx->tmpl->assign('IP_3', (int) $ipp[2]);
$apx->tmpl->assign('IP_4', (int) $ipp[3]);
}
$apx->tmpl->parse('blockip');
}
function validip($ip)
{
if (!empty($ip) && ip2long($ip) != -1) {
$reserved_ips = array(array('0.0.0.0', '2.255.255.255'), array('10.0.0.0', '10.255.255.255'), array('127.0.0.0', '127.255.255.255'), array('169.254.0.0', '169.254.255.255'), array('172.16.0.0', '172.31.255.255'), array('192.0.2.0', '192.0.2.255'), array('192.168.0.0', '192.168.255.255'), array('255.255.255.0', '255.255.255.255'));
$num_ip = ip2float($ip);
foreach ($reserved_ips as $r) {
$min = ip2float($r[0]);
$max = ip2float($r[1]);
if ($num_ip >= $min && $num_ip <= $max) {
return false;
}
}
return true;
} else {
return false;
}
}