function checkSubnet() {
/* Check that the given subnet is not contained into an existing subnet */
$subnet = $_POST["subnet"];
$netmask = $_POST["netmask"];
foreach(getSubnets("") as $dn => $entry) {
$sub = $entry[1]["cn"][0];
$mask = $entry[1]["dhcpNetMask"][0];
if (ipInNetwork($subnet, $sub, $mask, True)) {
$error = sprintf(_T("The given network address belongs to the already existing DHCP subnet %s / %s."), $sub, $mask);
setFormError("subnet");
setFormError("netmask");
break;
}
}
if (isset($error)) {
$_POST["subnet"] = "";
$_POST["netmask"] = "";
}
return array(isset($error), $error);
}
if (isset($_POST["dhcpsubnet"])) {
if ($hasnetaddress & $hasnetmask) {
$dhcpsubnet = True;
} else {
$error .= " " . _T("The network address and the network mask fields must be filled in if you also want to create a DHCP subnet.");
if (!$hasnetaddress) {
setFormError("netaddress");
}
if (!$hasnetmask) {
setFormError("netmask");
}
}
}
/* Check that the given subnet is not contained into an existing subnet */
if ($dhcpsubnet) {
foreach (getSubnets("") as $dn => $entry) {
$subnet = $entry[1]["cn"][0];
$mask = $entry[1]["dhcpNetMask"][0];
if (ipInNetwork($netaddress, $subnet, $mask, True)) {
$error .= " " . sprintf(_T("The given network address belongs to the already existing DHCP subnet %s / %s."), $subnet, $mask);
break;
}
}
}
if (!isset($error)) {
$result = "";
$servicesNames = getServicesNames();
if ($dhcpsubnet) {
addZoneWithSubnet($zonename, $netaddress, $netmask, $reverse, $description, $nameserver, $nameserverip);
$result .= _T("DHCP subnet and DNS zone successfully added.");
$result .= "<br />" . _T("The DHCP and DNS services must be restarted.");
<?
$filter = $_GET["filter"];
$subnets = array();
$count = array();
foreach(getSubnets($filter) as $dn => $entry) {
$subnet = $entry[1]["cn"][0];
$subnets[$subnet] = array();
$subnets[$subnet]["name"] = $entry[1]["dhcpComments"][0];
$subnets[$subnet]["netmask"] = $entry[1]["dhcpNetMask"][0];
}
ksort($subnets);
$names = array();
$netmasks = array();
$count = array();
$ranges = array();
foreach($subnets as $subnet => $infos) {
$count[] = '<span style="font-weight: normal;">(' . getSubnetHostsCount($subnet) . ')</span>';
$names[] = $infos["name"];
$netmasks[] = $infos["netmask"];
$poolsRanges = getPoolsRanges($subnet);
$rangesStr = "";
$showedRangesCount = 2;
$rangesCount = count($poolsRanges);
for ($i = 0; $i < $rangesCount; $i++){
list($ipstart, $ipend) = explode(" ", $poolsRanges[$i]);
$rangesStr .= "$ipstart -> $ipend";
if ($i < $rangesCount - 1){
if ($i == $showedRangesCount - 1)