Initial commitHEADmane

1 files changed, 1736 insertions, 0 deletions

diff --git a/MistyCore/node_modules/systeminformation/lib/network.js b/MistyCore/node_modules/systeminformation/lib/network.js
new file mode 100644
index 0000000..e3a29e3
--- /dev/null
+++ b/MistyCore/node_modules/systeminformation/lib/network.js
@@ -0,0 +1,1736 @@
+'use strict';
+// @ts-check
+// ==================================================================================
+// network.js
+// ----------------------------------------------------------------------------------
+// Description:   System Information - library
+//                for Node.js
+// Copyright:     (c) 2014 - 2022
+// Author:        Sebastian Hildebrandt
+// ----------------------------------------------------------------------------------
+// License:       MIT
+// ==================================================================================
+// 9. Network
+// ----------------------------------------------------------------------------------
+
+const os = require('os');
+const exec = require('child_process').exec;
+const execSync = require('child_process').execSync;
+const fs = require('fs');
+const util = require('./util');
+
+let _platform = process.platform;
+
+const _linux = (_platform === 'linux' || _platform === 'android');
+const _darwin = (_platform === 'darwin');
+const _windows = (_platform === 'win32');
+const _freebsd = (_platform === 'freebsd');
+const _openbsd = (_platform === 'openbsd');
+const _netbsd = (_platform === 'netbsd');
+const _sunos = (_platform === 'sunos');
+
+let _network = {};
+let _default_iface = '';
+let _ifaces = {};
+let _dhcpNics = [];
+let _networkInterfaces = [];
+let _mac = {};
+let pathToIp;
+
+function getDefaultNetworkInterface() {
+
+  let ifacename = '';
+  let ifacenameFirst = '';
+  try {
+    let ifaces = os.networkInterfaces();
+
+    let scopeid = 9999;
+
+    // fallback - "first" external interface (sorted by scopeid)
+    for (let dev in ifaces) {
+      if ({}.hasOwnProperty.call(ifaces, dev)) {
+        ifaces[dev].forEach(function (details) {
+          if (details && details.internal === false) {
+            ifacenameFirst = ifacenameFirst || dev; // fallback if no scopeid
+            if (details.scopeid && details.scopeid < scopeid) {
+              ifacename = dev;
+              scopeid = details.scopeid;
+            }
+          }
+        });
+      }
+    }
+    ifacename = ifacename || ifacenameFirst || '';
+
+    if (_windows) {
+      // https://www.inetdaemon.com/tutorials/internet/ip/routing/default_route.shtml
+      let defaultIp = '';
+      const cmd = 'netstat -r';
+      const result = execSync(cmd, util.execOptsWin);
+      const lines = result.toString().split(os.EOL);
+      lines.forEach(line => {
+        line = line.replace(/\s+/g, ' ').trim();
+        if (line.indexOf('0.0.0.0 0.0.0.0') > -1 && !(/[a-zA-Z]/.test(line))) {
+          const parts = line.split(' ');
+          if (parts.length >= 5) {
+            defaultIp = parts[parts.length - 2];
+          }
+        }
+      });
+      if (defaultIp) {
+        for (let dev in ifaces) {
+          if ({}.hasOwnProperty.call(ifaces, dev)) {
+            ifaces[dev].forEach(function (details) {
+              if (details && details.address && details.address === defaultIp) {
+                ifacename = dev;
+              }
+            });
+          }
+        }
+      }
+    }
+    if (_linux) {
+      let cmd = 'ip route 2> /dev/null | grep default';
+      let result = execSync(cmd);
+      let parts = result.toString().split('\n')[0].split(/\s+/);
+      if (parts[0] === 'none' && parts[5]) {
+        ifacename = parts[5];
+      } else if (parts[4]) {
+        ifacename = parts[4];
+      }
+
+      if (ifacename.indexOf(':') > -1) {
+        ifacename = ifacename.split(':')[1].trim();
+      }
+    }
+    if (_darwin || _freebsd || _openbsd || _netbsd || _sunos) {
+      let cmd = '';
+      if (_linux) { cmd = 'ip route 2> /dev/null | grep default | awk \'{print $5}\''; }
+      if (_darwin) { cmd = 'route -n get default 2>/dev/null | grep interface: | awk \'{print $2}\''; }
+      if (_freebsd || _openbsd || _netbsd || _sunos) { cmd = 'route get 0.0.0.0 | grep interface:'; }
+      let result = execSync(cmd);
+      ifacename = result.toString().split('\n')[0];
+      if (ifacename.indexOf(':') > -1) {
+        ifacename = ifacename.split(':')[1].trim();
+      }
+    }
+  } catch (e) {
+    util.noop();
+  }
+  if (ifacename) { _default_iface = ifacename; }
+  return _default_iface;
+}
+
+exports.getDefaultNetworkInterface = getDefaultNetworkInterface;
+
+function getMacAddresses() {
+  let iface = '';
+  let mac = '';
+  let result = {};
+  if (_linux || _freebsd || _openbsd || _netbsd) {
+    if (typeof pathToIp === 'undefined') {
+      try {
+        const lines = execSync('which ip').toString().split('\n');
+        if (lines.length && lines[0].indexOf(':') === -1 && lines[0].indexOf('/') === 0) {
+          pathToIp = lines[0];
+        } else {
+          pathToIp = '';
+        }
+      } catch (e) {
+        pathToIp = '';
+      }
+    }
+    try {
+      const cmd = 'export LC_ALL=C; ' + ((pathToIp) ? pathToIp + ' link show up' : '/sbin/ifconfig') + '; unset LC_ALL';
+      let res = execSync(cmd);
+      const lines = res.toString().split('\n');
+      for (let i = 0; i < lines.length; i++) {
+        if (lines[i] && lines[i][0] !== ' ') {
+          if (pathToIp) {
+            let nextline = lines[i + 1].trim().split(' ');
+            if (nextline[0] === 'link/ether') {
+              iface = lines[i].split(' ')[1];
+              iface = iface.slice(0, iface.length - 1);
+              mac = nextline[1];
+            }
+          } else {
+            iface = lines[i].split(' ')[0];
+            mac = lines[i].split('HWaddr ')[1];
+          }
+
+          if (iface && mac) {
+            result[iface] = mac.trim();
+            iface = '';
+            mac = '';
+          }
+        }
+      }
+    } catch (e) {
+      util.noop();
+    }
+  }
+  if (_darwin) {
+    try {
+      const cmd = '/sbin/ifconfig';
+      let res = execSync(cmd);
+      const lines = res.toString().split('\n');
+      for (let i = 0; i < lines.length; i++) {
+        if (lines[i] && lines[i][0] !== '\t' && lines[i].indexOf(':') > 0) {
+          iface = lines[i].split(':')[0];
+        } else if (lines[i].indexOf('\tether ') === 0) {
+          mac = lines[i].split('\tether ')[1];
+          if (iface && mac) {
+            result[iface] = mac.trim();
+            iface = '';
+            mac = '';
+          }
+        }
+      }
+    } catch (e) {
+      util.noop();
+    }
+  }
+  return result;
+}
+
+function networkInterfaceDefault(callback) {
+
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+      let result = getDefaultNetworkInterface();
+      if (callback) { callback(result); }
+      resolve(result);
+    });
+  });
+}
+
+exports.networkInterfaceDefault = networkInterfaceDefault;
+
+// --------------------------
+// NET - interfaces
+
+function parseLinesWindowsNics(sections, nconfigsections) {
+  let nics = [];
+  for (let i in sections) {
+    if ({}.hasOwnProperty.call(sections, i)) {
+
+      if (sections[i].trim() !== '') {
+
+        let lines = sections[i].trim().split('\r\n');
+        let linesNicConfig = nconfigsections && nconfigsections[i] ? nconfigsections[i].trim().split('\r\n') : [];
+        let netEnabled = util.getValue(lines, 'NetEnabled', ':');
+        let adapterType = util.getValue(lines, 'AdapterTypeID', ':') === '9' ? 'wireless' : 'wired';
+        let ifacename = util.getValue(lines, 'Name', ':').replace(/\]/g, ')').replace(/\[/g, '(');
+        let iface = util.getValue(lines, 'NetConnectionID', ':').replace(/\]/g, ')').replace(/\[/g, '(');
+        if (ifacename.toLowerCase().indexOf('wi-fi') >= 0 || ifacename.toLowerCase().indexOf('wireless') >= 0) {
+          adapterType = 'wireless';
+        }
+        if (netEnabled !== '') {
+          const speed = parseInt(util.getValue(lines, 'speed', ':').trim(), 10) / 1000000;
+          nics.push({
+            mac: util.getValue(lines, 'MACAddress', ':').toLowerCase(),
+            dhcp: util.getValue(linesNicConfig, 'dhcpEnabled', ':').toLowerCase() === 'true',
+            name: ifacename,
+            iface,
+            netEnabled: netEnabled === 'TRUE',
+            speed: isNaN(speed) ? null : speed,
+            operstate: util.getValue(lines, 'NetConnectionStatus', ':') === '2' ? 'up' : 'down',
+            type: adapterType
+          });
+        }
+      }
+    }
+  }
+  return nics;
+}
+
+function getWindowsNics() {
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+      let cmd = 'Get-WmiObject Win32_NetworkAdapter | fl *' + '; echo \'#-#-#-#\';';
+      cmd += 'Get-WmiObject Win32_NetworkAdapterConfiguration | fl DHCPEnabled' + '';
+      try {
+        util.powerShell(cmd).then((data) => {
+          data = data.split('#-#-#-#');
+          const nsections = (data[0] || '').split(/\n\s*\n/);
+          const nconfigsections = (data[1] || '').split(/\n\s*\n/);
+          resolve(parseLinesWindowsNics(nsections, nconfigsections));
+        });
+      } catch (e) {
+        resolve([]);
+      }
+    });
+  });
+}
+
+function getWindowsDNSsuffixes() {
+
+  let iface = {};
+
+  let dnsSuffixes = {
+    primaryDNS: '',
+    exitCode: 0,
+    ifaces: [],
+  };
+
+  try {
+    const ipconfig = execSync('ipconfig /all', util.execOptsWin);
+    const ipconfigArray = ipconfig.split('\r\n\r\n');
+
+    ipconfigArray.forEach((element, index) => {
+
+      if (index == 1) {
+        const longPrimaryDNS = element.split('\r\n').filter((element) => {
+          return element.toUpperCase().includes('DNS');
+        });
+        const primaryDNS = longPrimaryDNS[0].substring(longPrimaryDNS[0].lastIndexOf(':') + 1);
+        dnsSuffixes.primaryDNS = primaryDNS.trim();
+        if (!dnsSuffixes.primaryDNS) { dnsSuffixes.primaryDNS = 'Not defined'; }
+      }
+      if (index > 1) {
+        if (index % 2 == 0) {
+          const name = element.substring(element.lastIndexOf(' ') + 1).replace(':', '');
+          iface.name = name;
+        } else {
+          const connectionSpecificDNS = element.split('\r\n').filter((element) => {
+            return element.toUpperCase().includes('DNS');
+          });
+          const dnsSuffix = connectionSpecificDNS[0].substring(connectionSpecificDNS[0].lastIndexOf(':') + 1);
+          iface.dnsSuffix = dnsSuffix.trim();
+          dnsSuffixes.ifaces.push(iface);
+          iface = {};
+        }
+      }
+    });
+
+    return dnsSuffixes;
+  } catch (error) {
+    // console.log('An error occurred trying to bring the Connection-specific DNS suffix', error.message);
+    return {
+      primaryDNS: '',
+      exitCode: 0,
+      ifaces: [],
+    };
+  }
+}
+
+function getWindowsIfaceDNSsuffix(ifaces, ifacename) {
+  let dnsSuffix = '';
+  // Adding (.) to ensure ifacename compatibility when duplicated iface-names
+  const interfaceName = ifacename + '.';
+  try {
+    const connectionDnsSuffix = ifaces.filter((iface) => {
+      return interfaceName.includes(iface.name + '.');
+    }).map((iface) => iface.dnsSuffix);
+    if (connectionDnsSuffix[0]) {
+      dnsSuffix = connectionDnsSuffix[0];
+    }
+    if (!dnsSuffix) { dnsSuffix = ''; }
+    return dnsSuffix;
+  } catch (error) {
+    // console.log('Error getting Connection-specific DNS suffix: ', error.message);
+    return 'Unknown';
+  }
+}
+
+function getWindowsWiredProfilesInformation() {
+  try {
+    const result = execSync('netsh lan show profiles', util.execOptsWin);
+    const profileList = result.split('\r\nProfile on interface');
+    return profileList;
+  } catch (error) {
+    if (error.status === 1 && error.stdout.includes('AutoConfig')) {
+      return 'Disabled';
+    }
+    return [];
+  }
+}
+
+function getWindowsWirelessIfaceSSID(interfaceName) {
+  try {
+    const result = execSync(`netsh wlan show  interface name="${interfaceName}" | findstr "SSID"`, util.execOptsWin);
+    const SSID = result.split('\r\n').shift();
+    const parseSSID = SSID.split(':').pop();
+    return parseSSID;
+  } catch (error) {
+    return 'Unknown';
+  }
+}
+function getWindowsIEEE8021x(connectionType, iface, ifaces) {
+  let i8021x = {
+    state: 'Unknown',
+    protocol: 'Unknown',
+  };
+
+  if (ifaces === 'Disabled') {
+    i8021x.state = 'Disabled';
+    i8021x.protocol = 'Not defined';
+    return i8021x;
+  }
+
+  if (connectionType == 'wired' && ifaces.length > 0) {
+    try {
+      // Get 802.1x information by interface name
+      const iface8021xInfo = ifaces.find((element) => {
+        return element.includes(iface + '\r\n');
+      });
+      const arrayIface8021xInfo = iface8021xInfo.split('\r\n');
+      const state8021x = arrayIface8021xInfo.find((element) => {
+        return element.includes('802.1x');
+      });
+
+      if (state8021x.includes('Disabled')) {
+        i8021x.state = 'Disabled';
+        i8021x.protocol = 'Not defined';
+      } else if (state8021x.includes('Enabled')) {
+        const protocol8021x = arrayIface8021xInfo.find((element) => {
+          return element.includes('EAP');
+        });
+        i8021x.protocol = protocol8021x.split(':').pop();
+        i8021x.state = 'Enabled';
+      }
+    } catch (error) {
+      return i8021x;
+    }
+  } else if (connectionType == 'wireless') {
+
+    let i8021xState = '';
+    let i8021xProtocol = '';
+
+
+
+    try {
+      const SSID = getWindowsWirelessIfaceSSID(iface);
+      if (SSID !== 'Unknown') {
+        i8021xState = execSync(`netsh wlan show profiles "${SSID}" | findstr "802.1X"`, util.execOptsWin);
+        i8021xProtocol = execSync(`netsh wlan show profiles "${SSID}" | findstr "EAP"`, util.execOptsWin);
+      }
+
+      if (i8021xState.includes(':') && i8021xProtocol.includes(':')) {
+        i8021x.state = i8021xState.split(':').pop();
+        i8021x.protocol = i8021xProtocol.split(':').pop();
+      }
+    } catch (error) {
+      if (error.status === 1 && error.stdout.includes('AutoConfig')) {
+        i8021x.state = 'Disabled';
+        i8021x.protocol = 'Not defined';
+      }
+      return i8021x;
+    }
+  }
+
+  return i8021x;
+}
+
+function splitSectionsNics(lines) {
+  const result = [];
+  let section = [];
+  lines.forEach(function (line) {
+    if (!line.startsWith('\t') && !line.startsWith(' ')) {
+      if (section.length) {
+        result.push(section);
+        section = [];
+      }
+    }
+    section.push(line);
+  });
+  if (section.length) {
+    result.push(section);
+  }
+  return result;
+}
+
+function parseLinesDarwinNics(sections) {
+  let nics = [];
+  sections.forEach(section => {
+    let nic = {
+      iface: '',
+      mtu: null,
+      mac: '',
+      ip6: '',
+      ip4: '',
+      speed: null,
+      type: '',
+      operstate: '',
+      duplex: '',
+      internal: false
+    };
+    const first = section[0];
+    nic.iface = first.split(':')[0].trim();
+    let parts = first.split('> mtu');
+    nic.mtu = parts.length > 1 ? parseInt(parts[1], 10) : null;
+    if (isNaN(nic.mtu)) {
+      nic.mtu = null;
+    }
+    nic.internal = parts[0].toLowerCase().indexOf('loopback') > -1;
+    section.forEach(line => {
+      if (line.trim().startsWith('ether ')) {
+        nic.mac = line.split('ether ')[1].toLowerCase().trim();
+      }
+      if (line.trim().startsWith('inet6 ') && !nic.ip6) {
+        nic.ip6 = line.split('inet6 ')[1].toLowerCase().split('%')[0].split(' ')[0];
+      }
+      if (line.trim().startsWith('inet ') && !nic.ip4) {
+        nic.ip4 = line.split('inet ')[1].toLowerCase().split(' ')[0];
+      }
+    });
+    let speed = util.getValue(section, 'link rate');
+    nic.speed = speed ? parseFloat(speed) : null;
+    if (nic.speed === null) {
+      speed = util.getValue(section, 'uplink rate');
+      nic.speed = speed ? parseFloat(speed) : null;
+      if (nic.speed !== null && speed.toLowerCase().indexOf('gbps') >= 0) {
+        nic.speed = nic.speed * 1000;
+      }
+    } else {
+      if (speed.toLowerCase().indexOf('gbps') >= 0) {
+        nic.speed = nic.speed * 1000;
+      }
+    }
+    nic.type = util.getValue(section, 'type').toLowerCase().indexOf('wi-fi') > -1 ? 'wireless' : 'wired';
+    const operstate = util.getValue(section, 'status').toLowerCase();
+    nic.operstate = (operstate === 'active' ? 'up' : (operstate === 'inactive' ? 'down' : 'unknown'));
+    nic.duplex = util.getValue(section, 'media').toLowerCase().indexOf('half-duplex') > -1 ? 'half' : 'full';
+    if (nic.ip6 || nic.ip4 || nic.mac) {
+      nics.push(nic);
+    }
+  });
+  return nics;
+}
+
+function getDarwinNics() {
+  const cmd = '/sbin/ifconfig -v';
+  try {
+    // console.log('SYNC - Nics darwin 12');
+    const lines = execSync(cmd, { maxBuffer: 1024 * 20000 }).toString().split('\n');
+    const nsections = splitSectionsNics(lines);
+    return (parseLinesDarwinNics(nsections));
+  } catch (e) {
+    return [];
+  }
+}
+
+function getLinuxIfaceConnectionName(interfaceName) {
+  const cmd = `nmcli device status 2>/dev/null | grep ${interfaceName}`;
+
+  try {
+    const result = execSync(cmd).toString();
+    const resultFormat = result.replace(/\s+/g, ' ').trim();
+    const connectionNameLines = resultFormat.split(' ').slice(3);
+    const connectionName = connectionNameLines.join(' ');
+    return connectionName != '--' ? connectionName : '';
+  } catch (e) {
+    return '';
+  }
+}
+
+function checkLinuxDCHPInterfaces(file) {
+  let result = [];
+  try {
+    let cmd = `cat ${file} 2> /dev/null | grep 'iface\\|source'`;
+    const lines = execSync(cmd, { maxBuffer: 1024 * 20000 }).toString().split('\n');
+
+    lines.forEach(line => {
+      const parts = line.replace(/\s+/g, ' ').trim().split(' ');
+      if (parts.length >= 4) {
+        if (line.toLowerCase().indexOf(' inet ') >= 0 && line.toLowerCase().indexOf('dhcp') >= 0) {
+          result.push(parts[1]);
+        }
+      }
+      if (line.toLowerCase().includes('source')) {
+        let file = line.split(' ')[1];
+        result = result.concat(checkLinuxDCHPInterfaces(file));
+      }
+    });
+  } catch (e) {
+    util.noop();
+  }
+  return result;
+}
+
+function getLinuxDHCPNics() {
+  // alternate methods getting interfaces using DHCP
+  let cmd = 'ip a 2> /dev/null';
+  let result = [];
+  try {
+    const lines = execSync(cmd, { maxBuffer: 1024 * 20000 }).toString().split('\n');
+    const nsections = splitSectionsNics(lines);
+    result = (parseLinuxDHCPNics(nsections));
+  } catch (e) {
+    util.noop();
+  }
+  try {
+    result = checkLinuxDCHPInterfaces('/etc/network/interfaces');
+  } catch (e) {
+    util.noop();
+  }
+  return result;
+}
+
+function parseLinuxDHCPNics(sections) {
+  const result = [];
+  if (sections && sections.length) {
+    sections.forEach(lines => {
+      if (lines && lines.length) {
+        const parts = lines[0].split(':');
+        if (parts.length > 2) {
+          for (let line of lines) {
+            if (line.indexOf(' inet ') >= 0 && line.indexOf(' dynamic ') >= 0) {
+              const parts2 = line.split(' ');
+              const nic = parts2[parts2.length - 1].trim();
+              result.push(nic);
+              break;
+            }
+          }
+        }
+      }
+    });
+  }
+  return result;
+}
+
+function getLinuxIfaceDHCPstatus(iface, connectionName, DHCPNics) {
+  let result = false;
+  if (connectionName) {
+    const cmd = `nmcli connection show "${connectionName}" 2>/dev/null | grep ipv4.method;`;
+    try {
+      const lines = execSync(cmd).toString();
+      const resultFormat = lines.replace(/\s+/g, ' ').trim();
+
+      let dhcStatus = resultFormat.split(' ').slice(1).toString();
+      switch (dhcStatus) {
+        case 'auto':
+          result = true;
+          break;
+
+        default:
+          result = false;
+          break;
+      }
+      return result;
+    } catch (e) {
+      return (DHCPNics.indexOf(iface) >= 0);
+    }
+  } else {
+    return (DHCPNics.indexOf(iface) >= 0);
+  }
+}
+
+function getDarwinIfaceDHCPstatus(iface) {
+  let result = false;
+  const cmd = `ipconfig getpacket "${iface}" 2>/dev/null | grep lease_time;`;
+  try {
+    // console.log('SYNC - DHCP status darwin 17');
+    const lines = execSync(cmd).toString().split('\n');
+    if (lines.length && lines[0].startsWith('lease_time')) {
+      result = true;
+    }
+  } catch (e) {
+    util.noop();
+  }
+  return result;
+}
+
+function getLinuxIfaceDNSsuffix(connectionName) {
+  if (connectionName) {
+    const cmd = `nmcli connection show "${connectionName}" 2>/dev/null | grep ipv4.dns-search;`;
+    try {
+      const result = execSync(cmd).toString();
+      const resultFormat = result.replace(/\s+/g, ' ').trim();
+      const dnsSuffix = resultFormat.split(' ').slice(1).toString();
+      return dnsSuffix == '--' ? 'Not defined' : dnsSuffix;
+    } catch (e) {
+      return 'Unknown';
+    }
+  } else {
+    return 'Unknown';
+  }
+}
+
+function getLinuxIfaceIEEE8021xAuth(connectionName) {
+  if (connectionName) {
+    const cmd = `nmcli connection show "${connectionName}" 2>/dev/null | grep 802-1x.eap;`;
+    try {
+      const result = execSync(cmd).toString();
+      const resultFormat = result.replace(/\s+/g, ' ').trim();
+      const authenticationProtocol = resultFormat.split(' ').slice(1).toString();
+
+
+      return authenticationProtocol == '--' ? '' : authenticationProtocol;
+    } catch (e) {
+      return 'Not defined';
+    }
+  } else {
+    return 'Not defined';
+  }
+}
+
+function getLinuxIfaceIEEE8021xState(authenticationProtocol) {
+  if (authenticationProtocol) {
+    if (authenticationProtocol == 'Not defined') {
+      return 'Disabled';
+    }
+    return 'Enabled';
+  } else {
+    return 'Unknown';
+  }
+}
+
+function testVirtualNic(iface, ifaceName, mac) {
+  const virtualMacs = ['00:00:00:00:00:00', '00:03:FF', '00:05:69', '00:0C:29', '00:0F:4B', '00:0F:4B', '00:13:07', '00:13:BE', '00:15:5d', '00:16:3E', '00:1C:42', '00:21:F6', '00:21:F6', '00:24:0B', '00:24:0B', '00:50:56', '00:A0:B1', '00:E0:C8', '08:00:27', '0A:00:27', '18:92:2C', '16:DF:49', '3C:F3:92', '54:52:00', 'FC:15:97'];
+  if (mac) {
+    return virtualMacs.filter(item => { return mac.toUpperCase().toUpperCase().startsWith(item.substr(0, mac.length)); }).length > 0 ||
+      iface.toLowerCase().indexOf(' virtual ') > -1 ||
+      ifaceName.toLowerCase().indexOf(' virtual ') > -1 ||
+      iface.toLowerCase().indexOf('vethernet ') > -1 ||
+      ifaceName.toLowerCase().indexOf('vethernet ') > -1 ||
+      iface.toLowerCase().startsWith('veth') ||
+      ifaceName.toLowerCase().startsWith('veth') ||
+      iface.toLowerCase().startsWith('vboxnet') ||
+      ifaceName.toLowerCase().startsWith('vboxnet');
+  } else { return false; }
+}
+
+function networkInterfaces(callback, rescan, defaultString) {
+
+  if (typeof callback === 'string') {
+    defaultString = callback;
+    rescan = true;
+    callback = null;
+  }
+
+  if (typeof callback === 'boolean') {
+    rescan = callback;
+    callback = null;
+    defaultString = '';
+  }
+  if (typeof rescan === 'undefined') {
+    rescan = true;
+  }
+  defaultString = defaultString || '';
+  defaultString = '' + defaultString;
+
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+
+      let ifaces = os.networkInterfaces();
+
+      let result = [];
+      let nics = [];
+      let dnsSuffixes = [];
+      let nics8021xInfo = [];
+      // seperate handling in OSX
+      if (_darwin || _freebsd || _openbsd || _netbsd) {
+        if ((JSON.stringify(ifaces) === JSON.stringify(_ifaces)) && !rescan) {
+          // no changes - just return object
+          result = _networkInterfaces;
+
+          if (callback) { callback(result); }
+          resolve(result);
+        } else {
+          const defaultInterface = getDefaultNetworkInterface();
+          _ifaces = JSON.parse(JSON.stringify(ifaces));
+
+          nics = getDarwinNics();
+
+
+          nics.forEach(nic => {
+
+            if ({}.hasOwnProperty.call(ifaces, nic.iface)) {
+              ifaces[nic.iface].forEach(function (details) {
+                if (details.family === 'IPv4' || details.family === 4) {
+                  nic.ip4subnet = details.netmask;
+                }
+                if (details.family === 'IPv6' || details.family === 6) {
+                  nic.ip6subnet = details.netmask;
+                }
+              });
+            }
+
+            result.push({
+              iface: nic.iface,
+              ifaceName: nic.iface,
+              default: nic.iface === defaultInterface,
+              ip4: nic.ip4,
+              ip4subnet: nic.ip4subnet || '',
+              ip6: nic.ip6,
+              ip6subnet: nic.ip6subnet || '',
+              mac: nic.mac,
+              internal: nic.internal,
+              virtual: nic.internal ? false : testVirtualNic(nic.iface, nic.iface, nic.mac),
+              operstate: nic.operstate,
+              type: nic.type,
+              duplex: nic.duplex,
+              mtu: nic.mtu,
+              speed: nic.speed,
+              dhcp: getDarwinIfaceDHCPstatus(nic.iface),
+              dnsSuffix: '',
+              ieee8021xAuth: '',
+              ieee8021xState: '',
+              carrierChanges: 0
+            });
+          });
+          _networkInterfaces = result;
+          if (defaultString.toLowerCase().indexOf('default') >= 0) {
+            result = result.filter(item => item.default);
+            if (result.length > 0) {
+              result = result[0];
+            } else {
+              result = [];
+            }
+          }
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+      if (_linux) {
+        if ((JSON.stringify(ifaces) === JSON.stringify(_ifaces)) && !rescan) {
+          // no changes - just return object
+          result = _networkInterfaces;
+
+          if (callback) { callback(result); }
+          resolve(result);
+        } else {
+          _ifaces = JSON.parse(JSON.stringify(ifaces));
+          _dhcpNics = getLinuxDHCPNics();
+          const defaultInterface = getDefaultNetworkInterface();
+          for (let dev in ifaces) {
+            let ip4 = '';
+            let ip4subnet = '';
+            let ip6 = '';
+            let ip6subnet = '';
+            let mac = '';
+            let duplex = '';
+            let mtu = '';
+            let speed = null;
+            let carrierChanges = 0;
+            let dhcp = false;
+            let dnsSuffix = '';
+            let ieee8021xAuth = '';
+            let ieee8021xState = '';
+            let type = '';
+
+            if ({}.hasOwnProperty.call(ifaces, dev)) {
+              let ifaceName = dev;
+              ifaces[dev].forEach(function (details) {
+                if (details.family === 'IPv4' || details.family === 4) {
+                  ip4 = details.address;
+                  ip4subnet = details.netmask;
+                }
+                if (details.family === 'IPv6' || details.family === 6) {
+                  if (!ip6 || ip6.match(/^fe80::/i)) {
+                    ip6 = details.address;
+                    ip6subnet = details.netmask;
+                  }
+                }
+                mac = details.mac;
+                // fallback due to https://github.com/nodejs/node/issues/13581 (node 8.1 - node 8.2)
+                const nodeMainVersion = parseInt(process.versions.node.split('.'), 10);
+                if (mac.indexOf('00:00:0') > -1 && (_linux || _darwin) && (!details.internal) && nodeMainVersion >= 8 && nodeMainVersion <= 11) {
+                  if (Object.keys(_mac).length === 0) {
+                    _mac = getMacAddresses();
+                  }
+                  mac = _mac[dev] || '';
+                }
+              });
+              let iface = dev.split(':')[0].trim().toLowerCase();
+              const cmd = `echo -n "addr_assign_type: "; cat /sys/class/net/${iface}/addr_assign_type 2>/dev/null; echo;
+            echo -n "address: "; cat /sys/class/net/${iface}/address 2>/dev/null; echo;
+            echo -n "addr_len: "; cat /sys/class/net/${iface}/addr_len 2>/dev/null; echo;
+            echo -n "broadcast: "; cat /sys/class/net/${iface}/broadcast 2>/dev/null; echo;
+            echo -n "carrier: "; cat /sys/class/net/${iface}/carrier 2>/dev/null; echo;
+            echo -n "carrier_changes: "; cat /sys/class/net/${iface}/carrier_changes 2>/dev/null; echo;
+            echo -n "dev_id: "; cat /sys/class/net/${iface}/dev_id 2>/dev/null; echo;
+            echo -n "dev_port: "; cat /sys/class/net/${iface}/dev_port 2>/dev/null; echo;
+            echo -n "dormant: "; cat /sys/class/net/${iface}/dormant 2>/dev/null; echo;
+            echo -n "duplex: "; cat /sys/class/net/${iface}/duplex 2>/dev/null; echo;
+            echo -n "flags: "; cat /sys/class/net/${iface}/flags 2>/dev/null; echo;
+            echo -n "gro_flush_timeout: "; cat /sys/class/net/${iface}/gro_flush_timeout 2>/dev/null; echo;
+            echo -n "ifalias: "; cat /sys/class/net/${iface}/ifalias 2>/dev/null; echo;
+            echo -n "ifindex: "; cat /sys/class/net/${iface}/ifindex 2>/dev/null; echo;
+            echo -n "iflink: "; cat /sys/class/net/${iface}/iflink 2>/dev/null; echo;
+            echo -n "link_mode: "; cat /sys/class/net/${iface}/link_mode 2>/dev/null; echo;
+            echo -n "mtu: "; cat /sys/class/net/${iface}/mtu 2>/dev/null; echo;
+            echo -n "netdev_group: "; cat /sys/class/net/${iface}/netdev_group 2>/dev/null; echo;
+            echo -n "operstate: "; cat /sys/class/net/${iface}/operstate 2>/dev/null; echo;
+            echo -n "proto_down: "; cat /sys/class/net/${iface}/proto_down 2>/dev/null; echo;
+            echo -n "speed: "; cat /sys/class/net/${iface}/speed 2>/dev/null; echo;
+            echo -n "tx_queue_len: "; cat /sys/class/net/${iface}/tx_queue_len 2>/dev/null; echo;
+            echo -n "type: "; cat /sys/class/net/${iface}/type 2>/dev/null; echo;
+            echo -n "wireless: "; cat /proc/net/wireless 2>/dev/null | grep ${iface}; echo;
+            echo -n "wirelessspeed: "; iw dev ${iface} link 2>&1 | grep bitrate; echo;`;
+
+              let lines = [];
+              try {
+                lines = execSync(cmd).toString().split('\n');
+                const connectionName = getLinuxIfaceConnectionName(iface);
+                dhcp = getLinuxIfaceDHCPstatus(iface, connectionName, _dhcpNics);
+                dnsSuffix = getLinuxIfaceDNSsuffix(connectionName);
+                ieee8021xAuth = getLinuxIfaceIEEE8021xAuth(connectionName);
+                ieee8021xState = getLinuxIfaceIEEE8021xState(ieee8021xAuth);
+              } catch (e) {
+                util.noop();
+              }
+              duplex = util.getValue(lines, 'duplex');
+              duplex = duplex.startsWith('cat') ? '' : duplex;
+              mtu = parseInt(util.getValue(lines, 'mtu'), 10);
+              let myspeed = parseInt(util.getValue(lines, 'speed'), 10);
+              speed = isNaN(myspeed) ? null : myspeed;
+              let wirelessspeed = util.getValue(lines, 'wirelessspeed').split('tx bitrate: ');
+              if (speed === null && wirelessspeed.length === 2) {
+                myspeed = parseFloat(wirelessspeed[1]);
+                speed = isNaN(myspeed) ? null : myspeed;
+              }
+              carrierChanges = parseInt(util.getValue(lines, 'carrier_changes'), 10);
+              const operstate = util.getValue(lines, 'operstate');
+              type = operstate === 'up' ? (util.getValue(lines, 'wireless').trim() ? 'wireless' : 'wired') : 'unknown';
+              if (iface === 'lo' || iface.startsWith('bond')) { type = 'virtual'; }
+
+              let internal = (ifaces[dev] && ifaces[dev][0]) ? ifaces[dev][0].internal : false;
+              if (dev.toLowerCase().indexOf('loopback') > -1 || ifaceName.toLowerCase().indexOf('loopback') > -1) {
+                internal = true;
+              }
+              const virtual = internal ? false : testVirtualNic(dev, ifaceName, mac);
+              result.push({
+                iface,
+                ifaceName,
+                default: iface === defaultInterface,
+                ip4,
+                ip4subnet,
+                ip6,
+                ip6subnet,
+                mac,
+                internal,
+                virtual,
+                operstate,
+                type,
+                duplex,
+                mtu,
+                speed,
+                dhcp,
+                dnsSuffix,
+                ieee8021xAuth,
+                ieee8021xState,
+                carrierChanges,
+              });
+            }
+          }
+          _networkInterfaces = result;
+          if (defaultString.toLowerCase().indexOf('default') >= 0) {
+            result = result.filter(item => item.default);
+            if (result.length > 0) {
+              result = result[0];
+            } else {
+              result = [];
+            }
+          }
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+      if (_windows) {
+        if ((JSON.stringify(ifaces) === JSON.stringify(_ifaces)) && !rescan) {
+          // no changes - just return object
+          result = _networkInterfaces;
+
+          if (callback) { callback(result); }
+          resolve(result);
+        } else {
+          _ifaces = JSON.parse(JSON.stringify(ifaces));
+          const defaultInterface = getDefaultNetworkInterface();
+
+          getWindowsNics().then(function (nics) {
+            nics.forEach(nic => {
+              let found = false;
+              Object.keys(ifaces).forEach(key => {
+                if (!found) {
+                  ifaces[key].forEach(value => {
+                    if (Object.keys(value).indexOf('mac') >= 0) {
+                      found = value['mac'] === nic.mac;
+                    }
+                  });
+                }
+              });
+
+              if (!found) {
+                ifaces[nic.name] = [{ mac: nic.mac }];
+              }
+            });
+            nics8021xInfo = getWindowsWiredProfilesInformation();
+            dnsSuffixes = getWindowsDNSsuffixes();
+            for (let dev in ifaces) {
+              let iface = dev;
+              let ip4 = '';
+              let ip4subnet = '';
+              let ip6 = '';
+              let ip6subnet = '';
+              let mac = '';
+              let duplex = '';
+              let mtu = '';
+              let speed = null;
+              let carrierChanges = 0;
+              let operstate = 'down';
+              let dhcp = false;
+              let dnsSuffix = '';
+              let ieee8021xAuth = '';
+              let ieee8021xState = '';
+              let type = '';
+
+              if ({}.hasOwnProperty.call(ifaces, dev)) {
+                let ifaceName = dev;
+                ifaces[dev].forEach(function (details) {
+                  if (details.family === 'IPv4' || details.family === 4) {
+                    ip4 = details.address;
+                    ip4subnet = details.netmask;
+                  }
+                  if (details.family === 'IPv6' || details.family === 6) {
+                    if (!ip6 || ip6.match(/^fe80::/i)) {
+                      ip6 = details.address;
+                      ip6subnet = details.netmask;
+                    }
+                  }
+                  mac = details.mac;
+                  // fallback due to https://github.com/nodejs/node/issues/13581 (node 8.1 - node 8.2)
+                  const nodeMainVersion = parseInt(process.versions.node.split('.'), 10);
+                  if (mac.indexOf('00:00:0') > -1 && (_linux || _darwin) && (!details.internal) && nodeMainVersion >= 8 && nodeMainVersion <= 11) {
+                    if (Object.keys(_mac).length === 0) {
+                      _mac = getMacAddresses();
+                    }
+                    mac = _mac[dev] || '';
+                  }
+                });
+
+
+
+                dnsSuffix = getWindowsIfaceDNSsuffix(dnsSuffixes.ifaces, dev);
+                let foundFirst = false;
+                nics.forEach(detail => {
+                  if (detail.mac === mac && !foundFirst) {
+                    iface = detail.iface || iface;
+                    ifaceName = detail.name;
+                    dhcp = detail.dhcp;
+                    operstate = detail.operstate;
+                    speed = detail.speed;
+                    type = detail.type;
+                    foundFirst = true;
+                  }
+                });
+
+                if (dev.toLowerCase().indexOf('wlan') >= 0 || ifaceName.toLowerCase().indexOf('wlan') >= 0 || ifaceName.toLowerCase().indexOf('802.11n') >= 0 || ifaceName.toLowerCase().indexOf('wireless') >= 0 || ifaceName.toLowerCase().indexOf('wi-fi') >= 0 || ifaceName.toLowerCase().indexOf('wifi') >= 0) {
+                  type = 'wireless';
+                }
+
+                const IEEE8021x = getWindowsIEEE8021x(type, dev, nics8021xInfo);
+                ieee8021xAuth = IEEE8021x.protocol;
+                ieee8021xState = IEEE8021x.state;
+                let internal = (ifaces[dev] && ifaces[dev][0]) ? ifaces[dev][0].internal : false;
+                if (dev.toLowerCase().indexOf('loopback') > -1 || ifaceName.toLowerCase().indexOf('loopback') > -1) {
+                  internal = true;
+                }
+                const virtual = internal ? false : testVirtualNic(dev, ifaceName, mac);
+                result.push({
+                  iface,
+                  ifaceName,
+                  default: iface === defaultInterface,
+                  ip4,
+                  ip4subnet,
+                  ip6,
+                  ip6subnet,
+                  mac,
+                  internal,
+                  virtual,
+                  operstate,
+                  type,
+                  duplex,
+                  mtu,
+                  speed,
+                  dhcp,
+                  dnsSuffix,
+                  ieee8021xAuth,
+                  ieee8021xState,
+                  carrierChanges,
+                });
+              }
+            }
+            _networkInterfaces = result;
+            if (defaultString.toLowerCase().indexOf('default') >= 0) {
+              result = result.filter(item => item.default);
+              if (result.length > 0) {
+                result = result[0];
+              } else {
+                result = [];
+              }
+            }
+            if (callback) { callback(result); }
+            resolve(result);
+          });
+        }
+      }
+    });
+  });
+}
+
+exports.networkInterfaces = networkInterfaces;
+
+// --------------------------
+// NET - Speed
+
+function calcNetworkSpeed(iface, rx_bytes, tx_bytes, operstate, rx_dropped, rx_errors, tx_dropped, tx_errors) {
+  let result = {
+    iface,
+    operstate,
+    rx_bytes,
+    rx_dropped,
+    rx_errors,
+    tx_bytes,
+    tx_dropped,
+    tx_errors,
+    rx_sec: null,
+    tx_sec: null,
+    ms: 0
+  };
+
+  if (_network[iface] && _network[iface].ms) {
+    result.ms = Date.now() - _network[iface].ms;
+    result.rx_sec = (rx_bytes - _network[iface].rx_bytes) >= 0 ? (rx_bytes - _network[iface].rx_bytes) / (result.ms / 1000) : 0;
+    result.tx_sec = (tx_bytes - _network[iface].tx_bytes) >= 0 ? (tx_bytes - _network[iface].tx_bytes) / (result.ms / 1000) : 0;
+    _network[iface].rx_bytes = rx_bytes;
+    _network[iface].tx_bytes = tx_bytes;
+    _network[iface].rx_sec = result.rx_sec;
+    _network[iface].tx_sec = result.tx_sec;
+    _network[iface].ms = Date.now();
+    _network[iface].last_ms = result.ms;
+    _network[iface].operstate = operstate;
+  } else {
+    if (!_network[iface]) { _network[iface] = {}; }
+    _network[iface].rx_bytes = rx_bytes;
+    _network[iface].tx_bytes = tx_bytes;
+    _network[iface].rx_sec = null;
+    _network[iface].tx_sec = null;
+    _network[iface].ms = Date.now();
+    _network[iface].last_ms = 0;
+    _network[iface].operstate = operstate;
+  }
+  return result;
+}
+
+function networkStats(ifaces, callback) {
+
+  let ifacesArray = [];
+
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+
+      // fallback - if only callback is given
+      if (util.isFunction(ifaces) && !callback) {
+        callback = ifaces;
+        ifacesArray = [getDefaultNetworkInterface()];
+      } else {
+        if (typeof ifaces !== 'string' && ifaces !== undefined) {
+          if (callback) { callback([]); }
+          return resolve([]);
+        }
+        ifaces = ifaces || getDefaultNetworkInterface();
+
+        ifaces.__proto__.toLowerCase = util.stringToLower;
+        ifaces.__proto__.replace = util.stringReplace;
+        ifaces.__proto__.trim = util.stringTrim;
+
+        ifaces = ifaces.trim().toLowerCase().replace(/,+/g, '|');
+        ifacesArray = ifaces.split('|');
+      }
+
+      const result = [];
+
+      const workload = [];
+      if (ifacesArray.length && ifacesArray[0].trim() === '*') {
+        ifacesArray = [];
+        networkInterfaces(false).then(allIFaces => {
+          for (let iface of allIFaces) {
+            ifacesArray.push(iface.iface);
+          }
+          networkStats(ifacesArray.join(',')).then(result => {
+            if (callback) { callback(result); }
+            resolve(result);
+          });
+        });
+      } else {
+        for (let iface of ifacesArray) {
+          workload.push(networkStatsSingle(iface.trim()));
+        }
+        if (workload.length) {
+          Promise.all(
+            workload
+          ).then((data) => {
+            if (callback) { callback(data); }
+            resolve(data);
+          });
+        } else {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+    });
+  });
+}
+
+function networkStatsSingle(iface) {
+
+  function parseLinesWindowsPerfData(sections) {
+    let perfData = [];
+    for (let i in sections) {
+      if ({}.hasOwnProperty.call(sections, i)) {
+        if (sections[i].trim() !== '') {
+          let lines = sections[i].trim().split('\r\n');
+          perfData.push({
+            name: util.getValue(lines, 'Name', ':').replace(/[()[\] ]+/g, '').replace(/#|\//g, '_').toLowerCase(),
+            rx_bytes: parseInt(util.getValue(lines, 'BytesReceivedPersec', ':'), 10),
+            rx_errors: parseInt(util.getValue(lines, 'PacketsReceivedErrors', ':'), 10),
+            rx_dropped: parseInt(util.getValue(lines, 'PacketsReceivedDiscarded', ':'), 10),
+            tx_bytes: parseInt(util.getValue(lines, 'BytesSentPersec', ':'), 10),
+            tx_errors: parseInt(util.getValue(lines, 'PacketsOutboundErrors', ':'), 10),
+            tx_dropped: parseInt(util.getValue(lines, 'PacketsOutboundDiscarded', ':'), 10)
+          });
+        }
+      }
+    }
+    return perfData;
+  }
+
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+      let ifaceSanitized = '';
+      const s = util.isPrototypePolluted() ? '---' : util.sanitizeShellString(iface);
+      for (let i = 0; i <= util.mathMin(s.length, 2000); i++) {
+        if (s[i] !== undefined) {
+          ifaceSanitized = ifaceSanitized + s[i];
+        }
+      }
+
+      let result = {
+        iface: ifaceSanitized,
+        operstate: 'unknown',
+        rx_bytes: 0,
+        rx_dropped: 0,
+        rx_errors: 0,
+        tx_bytes: 0,
+        tx_dropped: 0,
+        tx_errors: 0,
+        rx_sec: null,
+        tx_sec: null,
+        ms: 0
+      };
+
+      let operstate = 'unknown';
+      let rx_bytes = 0;
+      let tx_bytes = 0;
+      let rx_dropped = 0;
+      let rx_errors = 0;
+      let tx_dropped = 0;
+      let tx_errors = 0;
+
+      let cmd, lines, stats;
+      if (!_network[ifaceSanitized] || (_network[ifaceSanitized] && !_network[ifaceSanitized].ms) || (_network[ifaceSanitized] && _network[ifaceSanitized].ms && Date.now() - _network[ifaceSanitized].ms >= 500)) {
+        if (_linux) {
+          if (fs.existsSync('/sys/class/net/' + ifaceSanitized)) {
+            cmd =
+              'cat /sys/class/net/' + ifaceSanitized + '/operstate; ' +
+              'cat /sys/class/net/' + ifaceSanitized + '/statistics/rx_bytes; ' +
+              'cat /sys/class/net/' + ifaceSanitized + '/statistics/tx_bytes; ' +
+              'cat /sys/class/net/' + ifaceSanitized + '/statistics/rx_dropped; ' +
+              'cat /sys/class/net/' + ifaceSanitized + '/statistics/rx_errors; ' +
+              'cat /sys/class/net/' + ifaceSanitized + '/statistics/tx_dropped; ' +
+              'cat /sys/class/net/' + ifaceSanitized + '/statistics/tx_errors; ';
+            exec(cmd, function (error, stdout) {
+              if (!error) {
+                lines = stdout.toString().split('\n');
+                operstate = lines[0].trim();
+                rx_bytes = parseInt(lines[1], 10);
+                tx_bytes = parseInt(lines[2], 10);
+                rx_dropped = parseInt(lines[3], 10);
+                rx_errors = parseInt(lines[4], 10);
+                tx_dropped = parseInt(lines[5], 10);
+                tx_errors = parseInt(lines[6], 10);
+
+                result = calcNetworkSpeed(ifaceSanitized, rx_bytes, tx_bytes, operstate, rx_dropped, rx_errors, tx_dropped, tx_errors);
+
+              }
+              resolve(result);
+            });
+          } else {
+            resolve(result);
+          }
+        }
+        if (_freebsd || _openbsd || _netbsd) {
+          cmd = 'netstat -ibndI ' + ifaceSanitized;   // lgtm [js/shell-command-constructed-from-input]
+          exec(cmd, function (error, stdout) {
+            if (!error) {
+              lines = stdout.toString().split('\n');
+              for (let i = 1; i < lines.length; i++) {
+                const line = lines[i].replace(/ +/g, ' ').split(' ');
+                if (line && line[0] && line[7] && line[10]) {
+                  rx_bytes = rx_bytes + parseInt(line[7]);
+                  if (line[6].trim() !== '-') { rx_dropped = rx_dropped + parseInt(line[6]); }
+                  if (line[5].trim() !== '-') { rx_errors = rx_errors + parseInt(line[5]); }
+                  tx_bytes = tx_bytes + parseInt(line[10]);
+                  if (line[12].trim() !== '-') { tx_dropped = tx_dropped + parseInt(line[12]); }
+                  if (line[9].trim() !== '-') { tx_errors = tx_errors + parseInt(line[9]); }
+                  operstate = 'up';
+                }
+              }
+              result = calcNetworkSpeed(ifaceSanitized, rx_bytes, tx_bytes, operstate, rx_dropped, rx_errors, tx_dropped, tx_errors);
+            }
+            resolve(result);
+          });
+        }
+        if (_darwin) {
+          cmd = 'ifconfig ' + ifaceSanitized + ' | grep "status"';    // lgtm [js/shell-command-constructed-from-input]
+          exec(cmd, function (error, stdout) {
+            result.operstate = (stdout.toString().split(':')[1] || '').trim();
+            result.operstate = (result.operstate || '').toLowerCase();
+            result.operstate = (result.operstate === 'active' ? 'up' : (result.operstate === 'inactive' ? 'down' : 'unknown'));
+            cmd = 'netstat -bdI ' + ifaceSanitized;   // lgtm [js/shell-command-constructed-from-input]
+            exec(cmd, function (error, stdout) {
+              if (!error) {
+                lines = stdout.toString().split('\n');
+                // if there is less than 2 lines, no information for this interface was found
+                if (lines.length > 1 && lines[1].trim() !== '') {
+                  // skip header line
+                  // use the second line because it is tied to the NIC instead of the ipv4 or ipv6 address
+                  stats = lines[1].replace(/ +/g, ' ').split(' ');
+                  const offset = stats.length > 11 ? 1 : 0;
+                  rx_bytes = parseInt(stats[offset + 5]);
+                  rx_dropped = parseInt(stats[offset + 10]);
+                  rx_errors = parseInt(stats[offset + 4]);
+                  tx_bytes = parseInt(stats[offset + 8]);
+                  tx_dropped = parseInt(stats[offset + 10]);
+                  tx_errors = parseInt(stats[offset + 7]);
+                  result = calcNetworkSpeed(ifaceSanitized, rx_bytes, tx_bytes, result.operstate, rx_dropped, rx_errors, tx_dropped, tx_errors);
+                }
+              }
+              resolve(result);
+            });
+          });
+        }
+        if (_windows) {
+          let perfData = [];
+          let ifaceName = ifaceSanitized;
+
+          // Performance Data
+          util.powerShell('Get-WmiObject Win32_PerfRawData_Tcpip_NetworkInterface | select Name,BytesReceivedPersec,PacketsReceivedErrors,PacketsReceivedDiscarded,BytesSentPersec,PacketsOutboundErrors,PacketsOutboundDiscarded | fl').then((stdout, error) => {
+            if (!error) {
+              const psections = stdout.toString().split(/\n\s*\n/);
+              perfData = parseLinesWindowsPerfData(psections);
+            }
+
+            // Network Interfaces
+            networkInterfaces(false).then(interfaces => {
+              // get bytes sent, received from perfData by name
+              rx_bytes = 0;
+              tx_bytes = 0;
+              perfData.forEach(detail => {
+                interfaces.forEach(det => {
+                  if ((det.iface.toLowerCase() === ifaceSanitized.toLowerCase() ||
+                    det.mac.toLowerCase() === ifaceSanitized.toLowerCase() ||
+                    det.ip4.toLowerCase() === ifaceSanitized.toLowerCase() ||
+                    det.ip6.toLowerCase() === ifaceSanitized.toLowerCase() ||
+                    det.ifaceName.replace(/[()[\] ]+/g, '').replace(/#|\//g, '_').toLowerCase() === ifaceSanitized.replace(/[()[\] ]+/g, '').replace('#', '_').toLowerCase()) &&
+                    (det.ifaceName.replace(/[()[\] ]+/g, '').replace(/#|\//g, '_').toLowerCase() === detail.name)) {
+                    ifaceName = det.iface;
+                    rx_bytes = detail.rx_bytes;
+                    rx_dropped = detail.rx_dropped;
+                    rx_errors = detail.rx_errors;
+                    tx_bytes = detail.tx_bytes;
+                    tx_dropped = detail.tx_dropped;
+                    tx_errors = detail.tx_errors;
+                    operstate = det.operstate;
+                  }
+                });
+              });
+              if (rx_bytes && tx_bytes) {
+                result = calcNetworkSpeed(ifaceName, parseInt(rx_bytes), parseInt(tx_bytes), operstate, rx_dropped, rx_errors, tx_dropped, tx_errors);
+              }
+              resolve(result);
+            });
+          });
+        }
+      } else {
+        result.rx_bytes = _network[ifaceSanitized].rx_bytes;
+        result.tx_bytes = _network[ifaceSanitized].tx_bytes;
+        result.rx_sec = _network[ifaceSanitized].rx_sec;
+        result.tx_sec = _network[ifaceSanitized].tx_sec;
+        result.ms = _network[ifaceSanitized].last_ms;
+        result.operstate = _network[ifaceSanitized].operstate;
+        resolve(result);
+      }
+    });
+  });
+}
+
+exports.networkStats = networkStats;
+
+// --------------------------
+// NET - connections (sockets)
+
+function networkConnections(callback) {
+
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+      let result = [];
+      if (_linux || _freebsd || _openbsd || _netbsd) {
+        let cmd = 'export LC_ALL=C; netstat -tunap | grep "ESTABLISHED\\|SYN_SENT\\|SYN_RECV\\|FIN_WAIT1\\|FIN_WAIT2\\|TIME_WAIT\\|CLOSE\\|CLOSE_WAIT\\|LAST_ACK\\|LISTEN\\|CLOSING\\|UNKNOWN"; unset LC_ALL';
+        if (_freebsd || _openbsd || _netbsd) { cmd = 'export LC_ALL=C; netstat -na | grep "ESTABLISHED\\|SYN_SENT\\|SYN_RECV\\|FIN_WAIT1\\|FIN_WAIT2\\|TIME_WAIT\\|CLOSE\\|CLOSE_WAIT\\|LAST_ACK\\|LISTEN\\|CLOSING\\|UNKNOWN"; unset LC_ALL'; }
+        exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+          let lines = stdout.toString().split('\n');
+          if (!error && (lines.length > 1 || lines[0] != '')) {
+            lines.forEach(function (line) {
+              line = line.replace(/ +/g, ' ').split(' ');
+              if (line.length >= 7) {
+                let localip = line[3];
+                let localport = '';
+                let localaddress = line[3].split(':');
+                if (localaddress.length > 1) {
+                  localport = localaddress[localaddress.length - 1];
+                  localaddress.pop();
+                  localip = localaddress.join(':');
+                }
+                let peerip = line[4];
+                let peerport = '';
+                let peeraddress = line[4].split(':');
+                if (peeraddress.length > 1) {
+                  peerport = peeraddress[peeraddress.length - 1];
+                  peeraddress.pop();
+                  peerip = peeraddress.join(':');
+                }
+                let connstate = line[5];
+                let proc = line[6].split('/');
+
+                if (connstate) {
+                  result.push({
+                    protocol: line[0],
+                    localAddress: localip,
+                    localPort: localport,
+                    peerAddress: peerip,
+                    peerPort: peerport,
+                    state: connstate,
+                    pid: proc[0] && proc[0] !== '-' ? parseInt(proc[0], 10) : null,
+                    process: proc[1] ? proc[1].split(' ')[0] : ''
+                  });
+                }
+              }
+            });
+            if (callback) {
+              callback(result);
+            }
+            resolve(result);
+          } else {
+            cmd = 'ss -tunap | grep "ESTAB\\|SYN-SENT\\|SYN-RECV\\|FIN-WAIT1\\|FIN-WAIT2\\|TIME-WAIT\\|CLOSE\\|CLOSE-WAIT\\|LAST-ACK\\|LISTEN\\|CLOSING"';
+            exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+
+              if (!error) {
+                let lines = stdout.toString().split('\n');
+                lines.forEach(function (line) {
+                  line = line.replace(/ +/g, ' ').split(' ');
+                  if (line.length >= 6) {
+                    let localip = line[4];
+                    let localport = '';
+                    let localaddress = line[4].split(':');
+                    if (localaddress.length > 1) {
+                      localport = localaddress[localaddress.length - 1];
+                      localaddress.pop();
+                      localip = localaddress.join(':');
+                    }
+                    let peerip = line[5];
+                    let peerport = '';
+                    let peeraddress = line[5].split(':');
+                    if (peeraddress.length > 1) {
+                      peerport = peeraddress[peeraddress.length - 1];
+                      peeraddress.pop();
+                      peerip = peeraddress.join(':');
+                    }
+                    let connstate = line[1];
+                    if (connstate === 'ESTAB') { connstate = 'ESTABLISHED'; }
+                    if (connstate === 'TIME-WAIT') { connstate = 'TIME_WAIT'; }
+                    let pid = null;
+                    let process = '';
+                    if (line.length >= 7 && line[6].indexOf('users:') > -1) {
+                      let proc = line[6].replace('users:(("', '').replace(/"/g, '').split(',');
+                      if (proc.length > 2) {
+                        process = proc[0].split(' ')[0];
+                        pid = parseInt(proc[1], 10);
+                      }
+                    }
+                    if (connstate) {
+                      result.push({
+                        protocol: line[0],
+                        localAddress: localip,
+                        localPort: localport,
+                        peerAddress: peerip,
+                        peerPort: peerport,
+                        state: connstate,
+                        pid,
+                        process
+                      });
+                    }
+                  }
+                });
+              }
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            });
+          }
+        });
+      }
+      if (_darwin) {
+        let cmd = 'netstat -natv | grep "ESTABLISHED\\|SYN_SENT\\|SYN_RECV\\|FIN_WAIT1\\|FIN_WAIT2\\|TIME_WAIT\\|CLOSE\\|CLOSE_WAIT\\|LAST_ACK\\|LISTEN\\|CLOSING\\|UNKNOWN"';
+        exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+          if (!error) {
+
+            let lines = stdout.toString().split('\n');
+
+            lines.forEach(function (line) {
+              line = line.replace(/ +/g, ' ').split(' ');
+              if (line.length >= 8) {
+                let localip = line[3];
+                let localport = '';
+                let localaddress = line[3].split('.');
+                if (localaddress.length > 1) {
+                  localport = localaddress[localaddress.length - 1];
+                  localaddress.pop();
+                  localip = localaddress.join('.');
+                }
+                let peerip = line[4];
+                let peerport = '';
+                let peeraddress = line[4].split('.');
+                if (peeraddress.length > 1) {
+                  peerport = peeraddress[peeraddress.length - 1];
+                  peeraddress.pop();
+                  peerip = peeraddress.join('.');
+                }
+                let connstate = line[5];
+                let pid = parseInt(line[8], 10);
+                if (connstate) {
+                  result.push({
+                    protocol: line[0],
+                    localAddress: localip,
+                    localPort: localport,
+                    peerAddress: peerip,
+                    peerPort: peerport,
+                    state: connstate,
+                    pid: pid,
+                    process: ''
+                  });
+                }
+              }
+            });
+            if (callback) {
+              callback(result);
+            }
+            resolve(result);
+          }
+        });
+      }
+      if (_windows) {
+        let cmd = 'netstat -nao';
+        try {
+          exec(cmd, util.execOptsWin, function (error, stdout) {
+            if (!error) {
+
+              let lines = stdout.toString().split('\r\n');
+
+              lines.forEach(function (line) {
+                line = line.trim().replace(/ +/g, ' ').split(' ');
+                if (line.length >= 4) {
+                  let localip = line[1];
+                  let localport = '';
+                  let localaddress = line[1].split(':');
+                  if (localaddress.length > 1) {
+                    localport = localaddress[localaddress.length - 1];
+                    localaddress.pop();
+                    localip = localaddress.join(':');
+                  }
+                  localip = localip.replace(/\[/g, '').replace(/\]/g, '');
+                  let peerip = line[2];
+                  let peerport = '';
+                  let peeraddress = line[2].split(':');
+                  if (peeraddress.length > 1) {
+                    peerport = peeraddress[peeraddress.length - 1];
+                    peeraddress.pop();
+                    peerip = peeraddress.join(':');
+                  }
+                  peerip = peerip.replace(/\[/g, '').replace(/\]/g, '');
+                  let pid = util.toInt(line[4]);
+                  let connstate = line[3];
+                  if (connstate === 'HERGESTELLT') { connstate = 'ESTABLISHED'; }
+                  if (connstate.startsWith('ABH')) { connstate = 'LISTEN'; }
+                  if (connstate === 'SCHLIESSEN_WARTEN') { connstate = 'CLOSE_WAIT'; }
+                  if (connstate === 'WARTEND') { connstate = 'TIME_WAIT'; }
+                  if (connstate === 'SYN_GESENDET') { connstate = 'SYN_SENT'; }
+
+                  if (connstate === 'LISTENING') { connstate = 'LISTEN'; }
+                  if (connstate === 'SYN_RECEIVED') { connstate = 'SYN_RECV'; }
+                  if (connstate === 'FIN_WAIT_1') { connstate = 'FIN_WAIT1'; }
+                  if (connstate === 'FIN_WAIT_2') { connstate = 'FIN_WAIT2'; }
+                  if (line[0].toLowerCase() !== 'udp' && connstate) {
+                    result.push({
+                      protocol: line[0].toLowerCase(),
+                      localAddress: localip,
+                      localPort: localport,
+                      peerAddress: peerip,
+                      peerPort: peerport,
+                      state: connstate,
+                      pid,
+                      process: ''
+                    });
+                  } else if (line[0].toLowerCase() === 'udp') {
+                    result.push({
+                      protocol: line[0].toLowerCase(),
+                      localAddress: localip,
+                      localPort: localport,
+                      peerAddress: peerip,
+                      peerPort: peerport,
+                      state: '',
+                      pid: parseInt(line[3], 10),
+                      process: ''
+                    });
+                  }
+                }
+              });
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            }
+          });
+        } catch (e) {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+    });
+  });
+}
+
+exports.networkConnections = networkConnections;
+
+function networkGatewayDefault(callback) {
+
+  return new Promise((resolve) => {
+    process.nextTick(() => {
+      let result = '';
+      if (_linux || _freebsd || _openbsd || _netbsd) {
+        let cmd = 'ip route get 1';
+        try {
+          exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+            if (!error) {
+              let lines = stdout.toString().split('\n');
+              const line = lines && lines[0] ? lines[0] : '';
+              let parts = line.split(' via ');
+              if (parts && parts[1]) {
+                parts = parts[1].split(' ');
+                result = parts[0];
+              }
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            } else {
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            }
+          });
+        } catch (e) {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+      if (_darwin) {
+        let cmd = 'route -n get default';
+        try {
+          exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+            if (!error) {
+              const lines = stdout.toString().split('\n').map(line => line.trim());
+              result = util.getValue(lines, 'gateway');
+            }
+            if (!result) {
+              cmd = 'netstat -rn | awk \'/default/ {print $2}\'';
+              exec(cmd, { maxBuffer: 1024 * 20000 }, function (error, stdout) {
+                const lines = stdout.toString().split('\n').map(line => line.trim());
+                result = lines.find(line => (/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(line)));
+                if (callback) {
+                  callback(result);
+                }
+                resolve(result);
+              });
+            } else {
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            }
+          });
+        } catch (e) {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+      if (_windows) {
+        try {
+          exec('netstat -r', util.execOptsWin, function (error, stdout) {
+            const lines = stdout.toString().split(os.EOL);
+            lines.forEach(line => {
+              line = line.replace(/\s+/g, ' ').trim();
+              if (line.indexOf('0.0.0.0 0.0.0.0') > -1 && !(/[a-zA-Z]/.test(line))) {
+                const parts = line.split(' ');
+                if (parts.length >= 5 && (parts[parts.length - 3]).indexOf('.') > -1) {
+                  result = parts[parts.length - 3];
+                }
+              }
+            });
+            if (!result) {
+              util.powerShell('Get-CimInstance -ClassName Win32_IP4RouteTable | Where-Object { $_.Destination -eq \'0.0.0.0\' -and $_.Mask -eq \'0.0.0.0\' }')
+                .then((data) => {
+                  let lines = data.toString().split('\r\n');
+                  if (lines.length > 1 && !result) {
+                    result = util.getValue(lines, 'NextHop');
+                    if (callback) {
+                      callback(result);
+                    }
+                    resolve(result);
+                    // } else {
+                    //   exec('ipconfig', util.execOptsWin, function (error, stdout) {
+                    //     let lines = stdout.toString().split('\r\n');
+                    //     lines.forEach(function (line) {
+                    //       line = line.trim().replace(/\. /g, '');
+                    //       line = line.trim().replace(/ +/g, '');
+                    //       const parts = line.split(':');
+                    //       if ((parts[0].toLowerCase().startsWith('standardgate') || parts[0].toLowerCase().indexOf('gateway') > -1 || parts[0].toLowerCase().indexOf('enlace') > -1) && parts[1]) {
+                    //         result = parts[1];
+                    //       }
+                    //     });
+                    //     if (callback) { callback(result); }
+                    //     resolve(result);
+                    //   });
+                  }
+                });
+            } else {
+              if (callback) {
+                callback(result);
+              }
+              resolve(result);
+            }
+          });
+        } catch (e) {
+          if (callback) { callback(result); }
+          resolve(result);
+        }
+      }
+    });
+  });
+}
+
+exports.networkGatewayDefault = networkGatewayDefault;