FM / lib

/home2/dakshskx/lib/node_modules/pm2/node_modules/systeminformation/lib/

/home2/dakshskx/lib/node_modules/pm2/node_modules/systeminformation/lib

Name	Size	Mode	Actions
audio.js	7797	0644	edit dl rm
battery.js	15118	0644	edit dl rm
bluetooth.js	10126	0644	edit dl rm
cli.js	4055	0644	edit dl rm
cpu.js	64258	0644	edit dl rm
docker.js	25810	0644	edit dl rm
dockerSocket.js	7937	0644	edit dl rm
filesystem.js	58700	0644	edit dl rm
graphics.js	48268	0644	edit dl rm
index.d.ts	26969	0644	edit dl rm
index.js	15571	0644	edit dl rm
internet.js	8626	0644	edit dl rm
memory.js	24724	0644	edit dl rm
network.js	66810	0644	edit dl rm
osinfo.js	43924	0644	edit dl rm
printer.js	7221	0644	edit dl rm
processes.js	49766	0644	edit dl rm
system.js	34231	0644	edit dl rm
usb.js	10138	0644	edit dl rm
users.js	11806	0644	edit dl rm
util.js	39707	0644	edit dl rm
virtualbox.js	4836	0644	edit dl rm
wifi.js	29987	0644	edit dl rm

Edit: /home2/dakshskx/lib/node_modules/pm2/node_modules/systeminformation/lib/network.js (66810B)

'use strict';
// @ts-check
// ==================================================================================
// network.js
// ----------------------------------------------------------------------------------
// Description:   System Information - library
//                for Node.js
// Copyright:     (c) 2014 - 2024
// 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;

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() !== '') {

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) {
    return {
      primaryDNS: '',
      exitCode: 0,
      ifaces: [],
    };
  }
}

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 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 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 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 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;
                }
              });
            }

let ifaceSanitized = '';
            const s = util.isPrototypePolluted() ? '---' : util.sanitizeShellString(nic.iface);
            const l = util.mathMin(s.length, 2000);
            for (let i = 0; i <= l; i++) {
              if (s[i] !== undefined) {
                ifaceSanitized = ifaceSanitized + s[i];
              }
            }

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(ifaceSanitized),
              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();
              let ifaceSanitized = '';
              const s = util.isPrototypePolluted() ? '---' : util.sanitizeShellString(iface);
              const l = util.mathMin(s.length, 2000);
              for (let i = 0; i <= l; i++) {
                if (s[i] !== undefined) {
                  ifaceSanitized = ifaceSanitized + s[i];
                }
              }
              const cmd = `echo -n "addr_assign_type: "; cat /sys/class/net/${ifaceSanitized}/addr_assign_type 2>/dev/null; echo;
            echo -n "address: "; cat /sys/class/net/${ifaceSanitized}/address 2>/dev/null; echo;
            echo -n "addr_len: "; cat /sys/class/net/${ifaceSanitized}/addr_len 2>/dev/null; echo;
            echo -n "broadcast: "; cat /sys/class/net/${ifaceSanitized}/broadcast 2>/dev/null; echo;
            echo -n "carrier: "; cat /sys/class/net/${ifaceSanitized}/carrier 2>/dev/null; echo;
            echo -n "carrier_changes: "; cat /sys/class/net/${ifaceSanitized}/carrier_changes 2>/dev/null; echo;
            echo -n "dev_id: "; cat /sys/class/net/${ifaceSanitized}/dev_id 2>/dev/null; echo;
            echo -n "dev_port: "; cat /sys/class/net/${ifaceSanitized}/dev_port 2>/dev/null; echo;
            echo -n "dormant: "; cat /sys/class/net/${ifaceSanitized}/dormant 2>/dev/null; echo;
            echo -n "duplex: "; cat /sys/class/net/${ifaceSanitized}/duplex 2>/dev/null; echo;
            echo -n "flags: "; cat /sys/class/net/${ifaceSanitized}/flags 2>/dev/null; echo;
            echo -n "gro_flush_timeout: "; cat /sys/class/net/${ifaceSanitized}/gro_flush_timeout 2>/dev/null; echo;
            echo -n "ifalias: "; cat /sys/class/net/${ifaceSanitized}/ifalias 2>/dev/null; echo;
            echo -n "ifindex: "; cat /sys/class/net/${ifaceSanitized}/ifindex 2>/dev/null; echo;
            echo -n "iflink: "; cat /sys/class/net/${ifaceSanitized}/iflink 2>/dev/null; echo;
            echo -n "link_mode: "; cat /sys/class/net/${ifaceSanitized}/link_mode 2>/dev/null; echo;
            echo -n "mtu: "; cat /sys/class/net/${ifaceSanitized}/mtu 2>/dev/null; echo;
            echo -n "netdev_group: "; cat /sys/class/net/${ifaceSanitized}/netdev_group 2>/dev/null; echo;
            echo -n "operstate: "; cat /sys/class/net/${ifaceSanitized}/operstate 2>/dev/null; echo;
            echo -n "proto_down: "; cat /sys/class/net/${ifaceSanitized}/proto_down 2>/dev/null; echo;
            echo -n "speed: "; cat /sys/class/net/${ifaceSanitized}/speed 2>/dev/null; echo;
            echo -n "tx_queue_len: "; cat /sys/class/net/${ifaceSanitized}/tx_queue_len 2>/dev/null; echo;
            echo -n "type: "; cat /sys/class/net/${ifaceSanitized}/type 2>/dev/null; echo;
            echo -n "wireless: "; cat /proc/net/wireless 2>/dev/null | grep ${ifaceSanitized}; echo;
            echo -n "wirelessspeed: "; iw dev ${ifaceSanitized} link 2>&1 | grep bitrate; echo;`;

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 ifaceSanitized = '';
              const s = util.isPrototypePolluted() ? '---' : util.sanitizeShellString(dev);
              const l = util.mathMin(s.length, 2000);
              for (let i = 0; i <= l; i++) {
                if (s[i] !== undefined) {
                  ifaceSanitized = ifaceSanitized + s[i];
                }
              }

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 = '';

dnsSuffix = getWindowsIfaceDNSsuffix(dnsSuffixes.ifaces, ifaceSanitized);
                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 = operstate === 'up' ? detail.speed : 0;
                    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';
                }

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 = [];

function networkStatsSingle(iface) {

return new Promise((resolve) => {
    process.nextTick(() => {
      let ifaceSanitized = '';
      const s = util.isPrototypePolluted() ? '---' : util.sanitizeShellString(iface);
      const l = util.mathMin(s.length, 2000);
      for (let i = 0; i <= l; 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-CimInstance 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].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].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"';
        let cmd = 'netstat -natvln | grep "tcp4\\|tcp6\\|udp4\\|udp6"';
        const states = '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) {
            exec('ps -axo pid,command', { maxBuffer: 1024 * 20000 }, function (err2, stdout2) {
              let processes = stdout2.toString().split('\n');
              processes = processes.map((line => { return line.trim().replace(/ +/g, ' '); }));
              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('.');
                  }
                  const hasState = states.indexOf(line[5]) >= 0;
                  let connstate = hasState ? line[5] : 'UNKNOWN';
                  let pid = parseInt(line[8 + (hasState ? 0 : -1)], 10);
                  if (connstate) {
                    result.push({
                      protocol: line[0],
                      localAddress: localip,
                      localPort: localport,
                      peerAddress: peerip,
                      peerPort: peerport,
                      state: connstate,
                      pid: pid,
                      process: getProcessName(processes, pid)
                    });
                  }
                }
              });
              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;

cmd: