$range_match = 0;
if ($_POST['ipaddr']) {
$dynsubnet_start = ip2ulong($config['dhcpd'][$if]['range']['from']);
$dynsubnet_end = ip2ulong($config['dhcpd'][$if]['range']['to']);
if (ip2ulong($_POST['ipaddr']) >= $dynsubnet_start && ip2ulong($_POST['ipaddr']) <= $dynsubnet_end) {
$range_match++;
}
//check pool ranges
foreach ($a_pools as $pidx => $p) {
if (is_inrange_v4($_POST['ipaddr'], $p['range']['from'], $p['range']['to'])) {
$range_match++;
}
}
//check pool subnets
foreach ($a_pools as $pidx => $p) {
if (is_innet_v4($p['custom_subnet'] . "/" . mask2cidr_v4($p['custom_subnet_mask']), $_POST['ipaddr'])) {
$range_match++;
}
}
$lansubnet_start = ip2ulong(long2ip32(ip2long($ifcfgip) & gen_subnet_mask_long($ifcfgsn)));
$lansubnet_end = ip2ulong(long2ip32(ip2long($ifcfgip) | ~gen_subnet_mask_long($ifcfgsn)));
if (ip2ulong($_POST['ipaddr']) > $lansubnet_start && ip2ulong($_POST['ipaddr']) < $lansubnet_end) {
$range_match++;
}
}
if ($range_match == 0) {
$input_errors[] = sprintf(gettext("The IP address does not match any configured range or pool."), $ifcfgdescr);
}
if ($_POST['gateway'] && !is_ipaddrv4($_POST['gateway'])) {
$input_errors[] = gettext("A valid IP address must be specified for the gateway.");
}
}
}
}
}
}
}
}
}
}
}
if (!$input_errors) {
/* make sure the range lies within the current subnet */
$subnet_start = ip2ulong(long2ip32(ip2long($parent_ip) & gen_subnet_mask_long($parent_sn)));
$subnet_end = ip2ulong(long2ip32(ip2long($parent_ip) | ~gen_subnet_mask_long($parent_sn)));
$parent_ip2 = long2ip32(ip2long($parent_ip) & gen_subnet_mask_long($parent_sn));
if (!is_innet_v4("{$parent_ip}/{$parent_sn}", $_POST['range_from']) || !is_innet_v4("{$parent_ip}/{$parent_sn}", $_POST['range_to'])) {
$input_errors[] = gettext("Ip range overlaps network range({$parent_ip2}/{$parent_sn}).");
}
if (ip2ulong($_POST['range_from']) > ip2ulong($_POST['range_to'])) {
$input_errors[] = gettext("The range is invalid (first element higher than second element).");
}
if (is_numeric($pool) || $act == "newpool") {
$rfrom = $config['dhcpd'][$if]['range']['from'];
$rto = $config['dhcpd'][$if]['range']['to'];
if (is_inrange_v4($_POST['range_from'], $rfrom, $rto) || is_inrange_v4($_POST['range_to'], $rfrom, $rto)) {
$input_errors[] = gettext("The specified range must not be within the DHCP range for this interface.");
}
}
foreach ($a_pools as $id => $p) {
if (is_numeric($pool) && $id == $pool) {
continue;
}
}
/* exit as soon as we have an interface */
if ($data['if'] != "") {
break;
}
}
} else {
foreach ($config['dhcpd'] as $dhcpif => $dhcpifconf) {
if (is_array($dhcpifconf['range']) && $lip >= ip2ulong($dhcpifconf['range']['from']) && $lip <= ip2ulong($dhcpifconf['range']['to'])) {
$data['if'] = $dhcpif;
break;
}
if (is_array($dhcpifconf['pool'])) {
foreach ($dhcpifconf['pool'] as $iface_pool) {
if (is_ipaddrv4($iface_pool['custom_subnet']) && is_validmask_v4($iface_pool['custom_subnet_mask']) && is_innet_v4($iface_pool['custom_subnet'] . "/" . mask2cidr_v4($iface_pool['custom_subnet_mask']), $data['ip'])) {
$data['if'] = $dhcpif;
}
}
}
}
}
echo "<tr>\n";
echo "<td class=\"listlr\">{$fspans}{$data['ip']}{$fspane}</td>\n";
$mac = $data['mac'];
$mac_hi = strtoupper($mac[0] . $mac[1] . $mac[3] . $mac[4] . $mac[6] . $mac[7]);
if ($data['online'] != "online") {
if (isset($mac_man[$mac_hi])) {
// Manufacturer for this MAC is defined
echo "<td class=\"listr\">{$fspans}<a href=\"services_wol.php?if={$data['if']}&mac={$mac}\" title=\"" . gettext("{$mac} - send Wake on LAN packet to this MAC address") . "\">{$mac}</a><br /><font size=\"-2\"><i>{$mac_man[$mac_hi]}</i></font>{$fspane}</td>\n";
} else {
