$reqdfields[] = 'tunnel_network';
$reqdfieldsn[] = gettext('Tunnel network');
} else {
if ($pconfig['serverbridge_dhcp'] && $pconfig['tunnel_network']) {
$input_errors[] = gettext("Using a tunnel network and server bridge settings together is not allowed.");
}
if ($pconfig['serverbridge_dhcp_start'] && !$pconfig['serverbridge_dhcp_end'] || !$pconfig['serverbridge_dhcp_start'] && $pconfig['serverbridge_dhcp_end']) {
$input_errors[] = gettext("Server Bridge DHCP Start and End must both be empty, or defined.");
}
if ($pconfig['serverbridge_dhcp_start'] && !is_ipaddrv4($pconfig['serverbridge_dhcp_start'])) {
$input_errors[] = gettext("Server Bridge DHCP Start must be an IPv4 address.");
}
if ($pconfig['serverbridge_dhcp_end'] && !is_ipaddrv4($pconfig['serverbridge_dhcp_end'])) {
$input_errors[] = gettext("Server Bridge DHCP End must be an IPv4 address.");
}
if (ip_greater_than($pconfig['serverbridge_dhcp_start'], $pconfig['serverbridge_dhcp_end'])) {
$input_errors[] = gettext("The Server Bridge DHCP range is invalid (start higher than end).");
}
}
do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
if (!$input_errors) {
$server = array();
if ($id && $pconfig['dev_mode'] != $a_server[$id]['dev_mode']) {
openvpn_delete('server', $a_server[$id]);
// delete(rename) old interface so a new TUN or TAP interface can be created.
}
if ($vpnid) {
$server['vpnid'] = $vpnid;
} else {
$server['vpnid'] = openvpn_vpnid_next();
}
$input_errors[] = gettext("IP address or host type must be an IP address or host name.");
}
}
}
}
}
}
}
}
}
}
}
}
if (!$input_errors) {
/* make sure the range lies within the current subnet */
if (ip_greater_than($_POST['range_from'], $_POST['range_to'])) {
$input_errors[] = gettext("The range is invalid (first element higher than second element).");
}
if (!is_inrange_v4($_POST['range_from'], $subnet_start, $subnet_end) || !is_inrange_v4($_POST['range_to'], $subnet_start, $subnet_end)) {
$input_errors[] = gettext("The specified range lies outside of the current subnet.");
}
if (is_numeric($pool) || $act == "newpool") {
if (is_inrange_v4($_POST['range_from'], $config['dhcpd'][$if]['range']['from'], $config['dhcpd'][$if]['range']['to']) || is_inrange_v4($_POST['range_to'], $config['dhcpd'][$if]['range']['from'], $config['dhcpd'][$if]['range']['to'])) {
$input_errors[] = gettext("The specified range must not be within the DHCP range for this interface.");
}
}
foreach ($a_pools as $id => $p) {
if (is_numeric($pool) && $id == $pool) {
continue;
}
if (is_inrange_v4($_POST['range_from'], $p['range']['from'], $p['range']['to']) || is_inrange_v4($_POST['range_to'], $p['range']['from'], $p['range']['to'])) {