domotz-remote-pawn/src/utils/nmapInformation.js

Domotz Agent

var nmapVersionStringPattern = 'Nmap';
var libraryStringPattern = 'Compiled with:';
var nmapInfo = {};
var noOutput = {};
var q = require('q');
var childProcess = require('child_process');
const numericRegex = '\\d+\\.\\d+';

function parseStdOut(data) {
    var libraryString;
    var libraryName = '';
    if (data) {
        var lines = data.split(/\r?\n/g);
        var versionStringFilter = lines.filter(function (line) {
            if (line) {
                return line.indexOf(nmapVersionStringPattern, 0) === 0;
            }
        });
        if (versionStringFilter.length > 0) {
            var versionString = versionStringFilter.toString();
            var nmapVersion = versionString.match(numericRegex);
            nmapInfo.nmap = nmapVersion.toString();
        } else {
            return noOutput;
        }

        var libraryStringFilter = lines.filter(function (line) {
            if (line) {
                return line.indexOf(libraryStringPattern, 0) === 0;
            }
        });
        if (libraryStringFilter.length > 0) {
            libraryString = libraryStringFilter[0].replace(libraryStringPattern, '').trim();
        } else {
            return noOutput;
        }

        var library = libraryString.split(' ');
        library.forEach(function (line) {
            var libraryVersion = line.split('-').pop();
            libraryName = line.substring(0, line.lastIndexOf('-'));
            if (!line.includes('-')) {
                nmapInfo[line] = true;
            } else {
                nmapInfo[libraryName] = libraryVersion;
            }
        });
        return nmapInfo;
    }
    return noOutput;
}

function getNmapInformation() {
    var deferred = q.defer();
    childProcess.exec('domotz_nmap --version', function (err, stdout, stderr) {
        if (err || stderr) {
            deferred.resolve({});
        } else {
            deferred.resolve(parseStdOut(stdout));
        }
    });
    return deferred.promise;
}

module.exports.getNmapInformation = getNmapInformation;