= IFNAMSIZ) {
$errors .= _('Invalid interface name.').'
'.PHP_EOL;
}
if (!preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\z/', $_POST['RangeStart']) &&
!empty($_POST['RangeStart'])) { // allow ''/null ?
$errors .= _('Invalid DHCP range start.').'
'.PHP_EOL;
}
if (!preg_match('/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\z/', $_POST['RangeEnd']) &&
!empty($_POST['RangeEnd'])) { // allow ''/null ?
$errors .= _('Invalid DHCP range end.').'
'.PHP_EOL;
}
if (!ctype_digit($_POST['RangeLeaseTime']) && $_POST['RangeLeaseTimeUnits'] !== 'infinite') {
$errors .= _('Invalid DHCP lease time, not a number.').'
'.PHP_EOL;
}
if (!in_array($_POST['RangeLeaseTimeUnits'], array('m', 'h', 'd', 'infinite'))) {
$errors .= _('Unknown DHCP lease time unit.').'
'.PHP_EOL;
}
$return = 1;
if (empty($errors)) {
$config = 'interface='.$_POST['interface'].PHP_EOL.
'dhcp-range='.$_POST['RangeStart'].','.$_POST['RangeEnd'].
',255.255.255.0,';
if ($_POST['RangeLeaseTimeUnits'] !== 'infinite') {
$config .= $_POST['RangeLeaseTime'];
}
$config .= $_POST['RangeLeaseTimeUnits'].PHP_EOL;
for ($i=0; $i < count($_POST["static_leases"]["mac"]); $i++) {
$mac = trim($_POST["static_leases"]["mac"][$i]);
$ip = trim($_POST["static_leases"]["ip"][$i]);
if ($mac != "" && $ip != "") {
$config .= "dhcp-host=$mac,$ip".PHP_EOL;
}
}
if ($_POST['DNS1']){
$config .= "dhcp-option=6," . $_POST['DNS1'];
if ($_POST['DNS2']){
$config .= ','.$_POST['DNS2'];
}
$config .= PHP_EOL;
}
file_put_contents("/tmp/dnsmasqdata", $config);
system('sudo cp /tmp/dnsmasqdata '.RASPI_DNSMASQ_CONFIG, $return);
} else {
$status->addMessage($errors, 'danger');
}
if ($return == 0) {
$status->addMessage('Dnsmasq configuration updated successfully', 'success');
} else {
$status->addMessage('Dnsmasq configuration failed to be updated.', 'danger');
}
}
exec('pidof dnsmasq | wc -l', $dnsmasq);
$dnsmasq_state = ($dnsmasq[0] > 0);
if (isset($_POST['startdhcpd'])) {
if ($dnsmasq_state) {
$status->addMessage('dnsmasq already running', 'info');
} else {
exec('sudo /bin/systemctl start dnsmasq.service', $dnsmasq, $return);
if ($return == 0) {
$status->addMessage('Successfully started dnsmasq', 'success');
$dnsmasq_state = true;
} else {
$status->addMessage('Failed to start dnsmasq', 'danger');
}
}
} elseif (isset($_POST['stopdhcpd'])) {
if ($dnsmasq_state) {
exec('sudo /bin/systemctl stop dnsmasq.service', $dnsmasq, $return);
if ($return == 0) {
$status->addMessage('Successfully stopped dnsmasq', 'success');
$dnsmasq_state = false;
} else {
$status->addMessage('Failed to stop dnsmasq', 'danger');
}
} else {
$status->addMessage('dnsmasq already stopped', 'info');
}
}
$serviceStatus = $dnsmasq_state ? "up" : "down";
exec('cat '. RASPI_DNSMASQ_CONFIG, $return);
$conf = ParseConfig($return);
$arrRange = explode(",", $conf['dhcp-range']);
$RangeStart = $arrRange[0];
$RangeEnd = $arrRange[1];
$RangeMask = $arrRange[2];
$leaseTime = $arrRange[3];
$dhcpHost = $conf["dhcp-host"];
$dhcpHost = empty($dhcpHost) ? [] : $dhcpHost;
$dhcpHost = is_array($dhcpHost) ? $dhcpHost : [ $dhcpHost ];
$DNS1 = '';
$DNS2 = '';
if (isset($conf['dhcp-option'])){
$arrDns = explode(",", $conf['dhcp-option']);
if ($arrDns[0] == '6'){
if (count($arrDns) > 1){
$DNS1 = $arrDns[1];
}
if (count($arrDns) > 2){
$DNS2 = $arrDns[2];
}
}
}
$hselected = '';
$mselected = '';
$dselected = '';
$infiniteselected = '';
preg_match('/([0-9]*)([a-z])/i', $leaseTime, $arrRangeLeaseTime);
if ($leaseTime === 'infinite') {
$infiniteselected = ' selected="selected"';
} else {
switch ($arrRangeLeaseTime[2]) {
case 'h':
$hselected = ' selected="selected"';
break;
case 'm':
$mselected = ' selected="selected"';
break;
case 'd':
$dselected = ' selected="selected"';
break;
}
}
exec("ip -o link show | awk -F': ' '{print $2}'", $interfaces);
exec('cat ' . RASPI_DNSMASQ_LEASES, $leases);
echo renderTemplate("dhcp", compact(
"status",
"serviceStatus",
"RangeStart",
"RangeEnd",
"DNS1",
"DNS2",
"arrRangeLeaseTime",
"mselected",
"hselected",
"dselected",
"infiniteselected",
"dnsmasq_state",
"conf",
"dhcpHost",
"interfaces",
"leases"
));
}