mirror of
https://github.com/Ylianst/MeshCentral.git
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Partinally ran code thru JsHint
This commit is contained in:
Ylian Saint-Hilaire
parent
312b937e62
commit
c531b64643
22 changed files with 821 additions and 792 deletions
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@ -6,7 +6,12 @@
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* @version v0.0.1
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*/
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'use strict';
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/*jslint node: true */
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/*jshint node: true */
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/*jshint strict:false */
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/*jshint -W097 */
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/*jshint esversion: 6 */
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"use strict";
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// Construct a Intel AMT Scanner object
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module.exports.CreateAmtScanner = function (parent) {
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@ -37,7 +42,7 @@ module.exports.CreateAmtScanner = function (parent) {
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var packet = new Buffer(obj.common.hex2rstr('06000006000011BE80000000'), 'ascii');
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packet[9] = tag;
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return packet;
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}
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};
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// Start scanning for local network Intel AMT computers
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obj.start = function () {
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@ -45,7 +50,7 @@ module.exports.CreateAmtScanner = function (parent) {
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obj.performScan();
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obj.mainTimer = setInterval(obj.performScan, PeriodicScanTime);
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return obj;
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}
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};
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// Stop scanning for local network Intel AMT computers
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obj.stop = function () {
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@ -53,7 +58,7 @@ module.exports.CreateAmtScanner = function (parent) {
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for (var i in obj.servers) { obj.servers[i].close(); } // Stop all servers
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obj.servers = {};
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if (obj.mainTimer != null) { clearInterval(obj.mainTimer); obj.mainTimer = null; }
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}
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};
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// Scan for Intel AMT computers using network multicast
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obj.performRangeScan = function (userid, rangestr) {
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@ -76,7 +81,7 @@ module.exports.CreateAmtScanner = function (parent) {
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delete rangeinfo.server;
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}, 3000);
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return true;
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}
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};
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// Parse range, used to parse "ip", "ip/mask" or "ip-ip" notation.
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// Return the start and end value of the scan
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@ -95,19 +100,19 @@ module.exports.CreateAmtScanner = function (parent) {
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x = obj.parseIpv4Addr(range);
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if (x == null) return null;
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return { min: x, max: x };
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}
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};
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// Parse IP address. Takes a
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obj.parseIpv4Addr = function (addr) {
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var x = addr.split('.');
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if (x.length == 4) { return (parseInt(x[0]) << 24) + (parseInt(x[1]) << 16) + (parseInt(x[2]) << 8) + (parseInt(x[3]) << 0); }
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return null;
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}
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};
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// IP address number to string
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obj.IPv4NumToStr = function (num) {
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return ((num >> 24) & 0xFF) + '.' + ((num >> 16) & 0xFF) + '.' + ((num >> 8) & 0xFF) + '.' + (num & 0xFF);
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}
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};
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/*
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// Sample we could use to optimize DNS resolving, may not be needed at all.
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@ -144,14 +149,14 @@ module.exports.CreateAmtScanner = function (parent) {
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}
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});
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return r;
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}
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};
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*/
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obj.ResolveName = function (hostname, func) {
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if ((hostname == '127.0.0.1') || (hostname == '::1') || (hostname == 'localhost')) { func(hostname, null); } // Don't scan localhost
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if (obj.net.isIP(hostname) > 0) { func(hostname, hostname); return; } // This is an IP address, already resolved.
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obj.dns.lookup(hostname, function (err, address, family) { if (err == null) { func(hostname, address); } else { func(hostname, null); } });
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}
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};
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// Look for all Intel AMT computers that may be locally reachable and poll their presence
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obj.performScan = function () {
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@ -178,6 +183,7 @@ module.exports.CreateAmtScanner = function (parent) {
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} else if ((scaninfo.tcp == null) && ((scaninfo.state == 0) || isNaN(delta) || (delta > PeriodicScanTime))) {
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// More than 30 seconds without a response, try TCP detection
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obj.checkTcpPresence(host, (doc.intelamt.tls == 1) ? 16993 : 16992, scaninfo, function (tag, result, version) {
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// TODO: It is bad that "obj" is being accessed within this function.
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if (result == false) return;
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tag.lastpong = Date.now();
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if (tag.state == 0) {
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@ -192,7 +198,7 @@ module.exports.CreateAmtScanner = function (parent) {
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scaninfo.lastping = Date.now();
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obj.checkAmtPresence(host, scaninfo.tag);
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}
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}
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}
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}
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for (var i in obj.scanTable) {
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if (obj.scanTable[i].present == false) {
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@ -203,10 +209,10 @@ module.exports.CreateAmtScanner = function (parent) {
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}
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});
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return true;
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}
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};
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// Check the presense of a specific Intel AMT computer using RMCP
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obj.checkAmtPresence = function (host, tag) { obj.ResolveName(host, function (hostname, ip) { obj.checkAmtPresenceEx(ip, tag); }); }
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obj.checkAmtPresence = function (host, tag) { obj.ResolveName(host, function (hostname, ip) { obj.checkAmtPresenceEx(ip, tag); }); };
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// Check the presense of a specific Intel AMT computer using RMCP
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obj.checkAmtPresenceEx = function (host, tag) {
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@ -221,20 +227,20 @@ module.exports.CreateAmtScanner = function (parent) {
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server.on('error', (err) => { });
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server.on('message', (data, rinfo) => { obj.parseRmcpPacket(data, rinfo, serverid, obj.changeConnectState, null); });
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server.on('listening', () => {
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obj.pendingSends.push([ server, packet, host ]);
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obj.pendingSends.push([server, packet, host]);
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if (obj.pendingSendTimer == null) { obj.pendingSendTimer = setInterval(obj.sendPendingPacket, 10); }
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});
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server.bind(0);
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obj.servers[serverid] = server;
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} else {
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// Use existing server
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obj.pendingSends.push([ server, packet, host ]);
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obj.pendingSends.push([server, packet, host]);
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if (obj.pendingSendTimer == null) { obj.pendingSendTimer = setInterval(obj.sendPendingPacket, 10); }
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}
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}
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};
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// Send a pending RMCP packet
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obj.sendPendingPacket = function() {
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obj.sendPendingPacket = function () {
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try {
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var p = obj.pendingSends.shift();
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if (p != undefined) {
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@ -245,7 +251,7 @@ module.exports.CreateAmtScanner = function (parent) {
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obj.pendingSendTimer = null;
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}
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} catch (e) { }
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}
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};
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// Parse RMCP packet
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obj.parseRmcpPacket = function (data, rinfo, serverid, func, user) {
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@ -256,14 +262,14 @@ module.exports.CreateAmtScanner = function (parent) {
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var minorVersion = data[18] & 0x0F;
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var majorVersion = (data[18] >> 4) & 0x0F;
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var provisioningState = data[19] & 0x03; // Pre = 0, In = 1, Post = 2
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var openPort = (data[16] * 256) + data[17];
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var dualPorts = ((data[19] & 0x04) != 0) ? true : false;
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var openPorts = [openPort];
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if (dualPorts == true) { openPorts = [16992, 16993]; }
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if (provisioningState <= 2) { func(tag, minorVersion, majorVersion, provisioningState, openPort, dualPorts, rinfo, user); }
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}
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}
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};
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// Use the RMCP packet to change the computer state
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obj.changeConnectState = function (tag, minorVersion, majorVersion, provisioningState, openPort, dualPorts, rinfo, user) {
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@ -282,21 +288,21 @@ module.exports.CreateAmtScanner = function (parent) {
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obj.changeAmtState(scaninfo.nodeinfo._id, scaninfo.nodeinfo.intelamt.ver, provisioningState, scaninfo.nodeinfo.intelamt.tls);
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}
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}
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}
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};
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// Use the RMCP packet to change the computer state
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obj.reportMachineState = function (tag, minorVersion, majorVersion, provisioningState, openPort, dualPorts, rinfo, user) {
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//var provisioningStates = { 0: 'Pre', 1: 'in', 2: 'Post' };
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//var provisioningStateStr = provisioningStates[provisioningState];
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//console.log(rinfo.address + ': Intel AMT ' + majorVersion + '.' + minorVersion + ', ' + provisioningStateStr + '-Provisioning, Open Ports: [' + openPorts.join(', ') + ']');
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// Use the RMCP packet to change the computer state
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obj.reportMachineState = function (tag, minorVersion, majorVersion, provisioningState, openPort, dualPorts, rinfo, user) {
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//var provisioningStates = { 0: 'Pre', 1: 'in', 2: 'Post' };
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//var provisioningStateStr = provisioningStates[provisioningState];
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//console.log(rinfo.address + ': Intel AMT ' + majorVersion + '.' + minorVersion + ', ' + provisioningStateStr + '-Provisioning, Open Ports: [' + openPorts.join(', ') + ']');
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obj.dns.reverse(rinfo.address, function (err, hostname) {
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if ((err != undefined) && (hostname != undefined)) {
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user.results[rinfo.address] = { ver: majorVersion + '.' + minorVersion, tls: (((openPort == 16993) || (dualPorts == true)) ? 1 : 0), state: provisioningState, hostname: hostname[0] };
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} else {
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user.results[rinfo.address] = { ver: majorVersion + '.' + minorVersion, tls: (((openPort == 16993) || (dualPorts == true)) ? 1 : 0), state: provisioningState, hostname: rinfo.address };
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}
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});
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}
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user.results[rinfo.address] = { ver: majorVersion + '.' + minorVersion, tls: (((openPort == 16993) || (dualPorts == true)) ? 1 : 0), state: provisioningState, hostname: hostname[0] };
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} else {
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user.results[rinfo.address] = { ver: majorVersion + '.' + minorVersion, tls: (((openPort == 16993) || (dualPorts == true)) ? 1 : 0), state: provisioningState, hostname: rinfo.address };
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}
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});
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};
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// Change Intel AMT information in the database and event the changes
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obj.changeAmtState = function (nodeid, version, provisioningState, tls) {
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@ -317,7 +323,7 @@ module.exports.CreateAmtScanner = function (parent) {
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// Make the change & save
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var change = false;
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if (node.intelamt == undefined) { node.intelamt = {}; }
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if (node.intelamt.tls != tls) { node.intelamt.tls = tls; change = true; changes.push(tls==1?'TLS':'NoTLS'); }
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if (node.intelamt.tls != tls) { node.intelamt.tls = tls; change = true; changes.push(tls == 1 ? 'TLS' : 'NoTLS'); }
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if (obj.compareAmtVersionStr(node.intelamt.ver, version)) { node.intelamt.ver = version; change = true; changes.push('AMT Version ' + version); }
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if (node.intelamt.state != provisioningState) { node.intelamt.state = provisioningState; change = true; changes.push('AMT State'); }
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if (change == true) {
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@ -333,7 +339,7 @@ module.exports.CreateAmtScanner = function (parent) {
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}
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});
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});
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}
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};
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// Return true if we should change the Intel AMT version number
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obj.compareAmtVersionStr = function (oldVer, newVer) {
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@ -347,10 +353,10 @@ module.exports.CreateAmtScanner = function (parent) {
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if (newVerArr.length > oldVerArr.length) return true;
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if ((newVerArr.length == 3) && (oldVerArr.length == 3) && (oldVerArr[2] != newVerArr[2])) return true;
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return false;
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}
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};
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// Check the presense of a specific Intel AMT computer using RMCP
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obj.checkTcpPresence = function (host, port, scaninfo, func) { obj.ResolveName(host, function (hostname, ip) { obj.checkTcpPresenceEx(ip, port, scaninfo, func); }); }
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obj.checkTcpPresence = function (host, port, scaninfo, func) { obj.ResolveName(host, function (hostname, ip) { obj.checkTcpPresenceEx(ip, port, scaninfo, func); }); };
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// Check that we can connect TCP to a given port
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obj.checkTcpPresenceEx = function (host, port, scaninfo, func) {
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@ -378,7 +384,7 @@ module.exports.CreateAmtScanner = function (parent) {
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client.on('end', function () { if (this.scaninfo.tcp != null) { delete this.scaninfo.tcp; try { this.destroy(); } catch (ex) { } this.func(this.scaninfo, false); } });
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scaninfo.tcp = client;
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} catch (ex) { console.log(ex); }
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}
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};
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// Return the Intel AMT version from the HTTP headers. Return null if nothing is found.
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obj.getIntelAmtVersionFromHeaders = function (headers) {
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@ -393,9 +399,9 @@ module.exports.CreateAmtScanner = function (parent) {
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}
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}
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return null;
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}
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};
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//console.log(obj.getIntelAmtVersionFromHeaders("HTTP/1.1 303 See Other\r\nLocation: /logon.htm\r\nContent-Length: 0\r\nServer: Intel(R) Active Management Technology 7.1.91\r\n\r\n"));
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return obj;
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}
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};
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