0); if (!RASPI_MONITOR_ENABLED) { 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("ip -o link show | awk -F': ' '{print $2}'", $interfaces); exec('cat ' . RASPI_DNSMASQ_LEASES, $leases); echo renderTemplate( "dhcp", compact( "status", "serviceStatus", "dnsmasq_state", "conf", "dhcpHost", "interfaces", "leases" ) ); } function SaveDHCPConfig($status) { $iface = $_POST['interface']; $return = 1; if (($_POST['dhcp-iface'] == "1")) { $errors = ValidateDHCPInput(); if (empty($errors)) { $return = UpdateDnsmasqCfg($iface,$status); } else { $status->addMessage($errors, 'danger'); } if ($return == 1) { $status->addMessage('Dnsmasq configuration failed to be updated.', 'danger'); return false; } $return = UpdateDHCPCfg($iface,$status); // process disable dhcp option } elseif (($_POST['dhcp-iface'] == "0") && file_exists(RASPI_DNSMASQ_PREFIX.$iface.'.conf')) { // remove dhcp conf for selected interface $return = RemoveDHCPCfg($iface,$status); } if ($return == 0) { $status->addMessage('Dnsmasq configuration updated successfully.', 'success'); } else { $status->addMessage('Dnsmasq configuration failed to be updated.', 'danger'); return false; } return true; } function ValidateDHCPInput() { define('IFNAMSIZ', 16); $iface = $_POST['interface']; if (!preg_match('/^[a-zA-Z0-9]+$/', $iface) || strlen($iface) >= 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 $errors; } function UpdateDnsmasqCfg($iface,$status) { $config = 'interface='.$iface.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['no-resolv'] == "1") { $config .= "no-resolv".PHP_EOL; } foreach ($_POST['server'] as $server) { $config .= "server=$server".PHP_EOL; } if ($_POST['log-dhcp'] == "1") { $config .= "log-dhcp".PHP_EOL; } if ($_POST['log-queries'] == "1") { $config .= "log-queries".PHP_EOL; } if ($_POST['DNS1']) { $config .= "dhcp-option=6," . $_POST['DNS1']; if ($_POST['DNS2']) { $config .= ','.$_POST['DNS2']; } $config .= PHP_EOL; } // enable these settings on the default interface if ($iface == "wlan0") { $config .= "log-facility=/tmp/dnsmasq.log".PHP_EOL; $config .= "conf-dir=/etc/dnsmasq.d".PHP_EOL; } file_put_contents("/tmp/dnsmasqdata", $config); $msg = file_exists(RASPI_DNSMASQ_PREFIX.$iface.'.conf') ? 'updated' : 'added'; system('sudo cp /tmp/dnsmasqdata '.RASPI_DNSMASQ_PREFIX.$iface.'.conf', $result); if ($result == 0) { $status->addMessage('Dnsmasq configuration for '.$iface.' '.$msg.'.', 'success'); } return $result; } function UpdateDHCPCfg($iface,$status) { $net_cfg = RASPI_CONFIG_NETWORKING.'/'.$iface.'.ini'; if (!file_exists($net_cfg) || filesize($net_cfg) ==0 ) { $status->addMessage('Static IP address for '.$iface.' not found.', 'danger'); $status->addMessage('Configure this interface in Networking > '.$iface.'.', 'danger'); $return = 1; } else { $dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG); if (!preg_match('/^interface\s'.$iface.'$/m', $dhcp_cfg)) { // set dhcp values from ini $iface_cfg = parse_ini_file($net_cfg, false, INI_SCANNER_RAW); $ip_address = $iface_cfg['ip_address']; $domain_name_server = ($iface_cfg['domain_name_server'] =='') ? '1.1.1.1 8.8.8.8' : $iface_cfg['domain_name_server']; // append interface config to dhcpcd.conf $cfg = $dhcp_conf; $cfg[] = '# RaspAP '.$iface.' configuration'; $cfg[] = 'interface '.$iface; $cfg[] = 'static ip_address='.$ip_address; $cfg[] = 'static domain_name_server='.$domain_name_server; $cfg[] = PHP_EOL; $cfg = join(PHP_EOL, $cfg); $dhcp_cfg .= $cfg; file_put_contents("/tmp/dhcpddata", $dhcp_cfg); system('sudo cp /tmp/dhcpddata '.RASPI_DHCPCD_CONFIG, $result); $status->addMessage('DHCP configuration for '.$iface.' added.', 'success'); } else { $status->addMessage('DHCP for '.$iface.' already enabled.', 'success'); } } return $result; } function RemoveDHCPCfg($iface,$status) { $dhcp_cfg = file_get_contents(RASPI_DHCPCD_CONFIG); $dhcp_cfg = preg_replace('/^#\sRaspAP\s'.$iface.'.*\n(.*\n){3}/m', '', $dhcp_cfg); file_put_contents("/tmp/dhcpddata", rtrim($dhcp_cfg).PHP_EOL); system('sudo cp /tmp/dhcpddata '.RASPI_DHCPCD_CONFIG, $result); if ($result == 0) { $status->addMessage('DHCP configuration for '.$iface.' removed.', 'success'); } else { $status->addMessage('Failed to remove DHCP configuration for '.$iface.'.', 'danger'); return $result; } // remove dnsmasq eth0 conf system('sudo rm '.RASPI_DNSMASQ_PREFIX.$iface.'.conf', $result); if ($result == 0) { $status->addMessage('Dnsmasq configuration for '.$iface.' removed.', 'success'); } else { $status->addMessage('Failed to remove dnsmasq configuration for '.$iface.'.', 'danger'); } return $result; }