$range_match = 0;
if ($_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'])) {
$input_errors[] = gettext("A valid IP address must be specified for the gateway.");
}
}
if ($_POST['custom_subnet_mask'] && is_validmask_v4($_POST['custom_subnet_mask']) != 1) {
$input_errors[] = gettext("A valid custom subnet maks must be specified.");
}
if ($_POST['range_to'] && !is_ipaddrv4($_POST['range_to'])) {
$input_errors[] = gettext("A valid range must be specified.");
}
if ($_POST['gateway'] && $_POST['gateway'] != "none" && !is_ipaddrv4($_POST['gateway'])) {
$input_errors[] = gettext("A valid IP address must be specified for the gateway.");
}
if ($_POST['wins1'] && !is_ipaddrv4($_POST['wins1']) || $_POST['wins2'] && !is_ipaddrv4($_POST['wins2'])) {
$input_errors[] = gettext("A valid IP address must be specified for the primary/secondary WINS servers.");
}
$parent_ip = is_ipaddrv4($_POST['custom_subnet']) ? $_POST['custom_subnet'] : get_interface_ip($_POST['if']);
if (is_ipaddrv4($parent_ip) && $_POST['gateway'] && $_POST['gateway'] != "none") {
$parent_sn = is_validmask_v4($_POST['custom_subnet_mask']) ? mask2cidr_v4($_POST['custom_subnet_mask']) : get_interface_subnet($_POST['if']);
if (!ip_in_subnet($_POST['gateway'], gen_subnet($parent_ip, $parent_sn) . "/" . $parent_sn) && !ip_in_interface_alias_subnet($_POST['if'], $_POST['gateway'])) {
$input_errors[] = sprintf(gettext("The gateway address %s does not lie within the chosen interface's subnet."), $_POST['gateway']);
}
}
for ($dns = 1; $dns <= 4; $dns++) {
if ($_POST["dns{$dns}"] && !is_ipaddrv4($_POST["dns{$dns}"])) {
$input_errors[] = gettext("A valid IP address must be specified for each of the DNS servers.");
}
}
if ($_POST['deftime'] && (!is_numeric($_POST['deftime']) || $_POST['deftime'] < 60)) {
$input_errors[] = gettext("The default lease time must be at least 60 seconds.");
}
if (isset($config['captiveportal']) && is_array($config['captiveportal'])) {
$deftime = 7200;
// Default value if it's empty
}
}
/* exit as soon as we have an interface */
if ($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 {