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Started work on Intel AMT hello server.

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Ylian Saint-Hilaire 2021-03-10 19:01:10 -08:00
parent ede89f159a
commit 92138327bf
3 changed files with 120 additions and 1 deletions
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2
MeshCentralServer.njsproj
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@ -98,7 +98,7 @@
<Compile Include="amt\amt-xml.js" />
<Compile Include="amt\amt.js" />
<Compile Include="exeHandler.js" />
<Compile Include="firebase.js" />
<Compile Include="amthelloserver.js" />
<Compile Include="letsencrypt.js" />
<Compile Include="mcrec.js" />
<Compile Include="meshaccelerator.js" />

114
amthelloserver.js Normal file
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@ -0,0 +1,114 @@
/**
* @description MeshCentral Intel AMT Hello server
* @author Ylian Saint-Hilaire
* @copyright Intel Corporation 2018-2021
* @license Apache-2.0
* @version v0.0.1
*/
/*xjslint node: true */
/*xjslint plusplus: true */
/*xjslint maxlen: 256 */
/*jshint node: true */
/*jshint strict: false */
/*jshint esversion: 6 */
"use strict";
// Construct the Intel AMT hello server. This is used for Intel AMT bare-metal activation on the local LAN.
// This server can receive a notification from Intel AMT and attempt activation.
module.exports.CreateAmtHelloServer = function (parent, config) {
var obj = {};
var port = 9971;
if (typeof config.port == 'number') { port = config.port; }
const net = require('net');
obj.server = net.createServer(function (socket) {
socket.ra = socket.remoteAddress;
socket.data = null;
socket.on('error', function (err) { })
socket.on('close', function () { if (this.data != null) { parseHelloData(this.data, this.ra); } delete this.ra; this.removeAllListeners(); })
socket.on('data', function (data) {
if (this.data == null) { this.data = data; } else { Buffer.concat([this.data, data]); }
var str = this.data.toString();
if (str.startsWith('GET ') && (str.indexOf('\r\n\r\n') >= 0)) {
this.data = null;
var content = "<!DOCTYPE html><html><head><meta charset=\"UTF-8\"><title>Intel&reg; AMT Hello Server</title></head><body>Intel AMT hello server.<br />Intel&reg; AMT devices should send notification to this port for activation.</body></html>";
try { socket.end('HTTP/1.1 200 OK\r\nContent-Type: text/html\r\nContent-Length: ' + content.length + '\r\nConnection: close\r\n\r\n' + content); } catch (ex) {}
} else if (this.data.length > 16000) {
try { this.end(); } catch (ex) { };
}
})
});
obj.server.listen(port);
console.log('MeshCentral Intel AMT hello server running on port ' + port + '.');
function parseHelloData(data, addr) {
if (addr.startsWith('::ffff:')) { addr = addr.substring(7); }
console.log('parseHelloData', data.length);
console.log('Address', addr);
console.log('HEX', data.toString('hex'));
}
return obj;
};
/*
[Serializable]
public class AmtHello
{
public byte[] Data;
public string Pid;
public byte[][] CertHash;
public DateTime ReceivedTime;
public IPEndPoint RemoteEndPoint;
public int Version;
public AmtHello(byte[] buf, IPEndPoint ep)
{
Data = buf;
ReceivedTime = DateTime.Now;
RemoteEndPoint = ep;
Version = buf[2];
if (buf.Length == 32) // One Touch PID
{
byte[] b = new byte[8];
Array.Copy(buf,24,b,0,8);
Pid = UTF8Encoding.UTF8.GetString(b);
if (Pid.Length == 8) Pid = Pid.Substring(0, 4) + "-" + Pid.Substring(4, 4);
}
if (Version == 3) // Zero-Touch Key Hash
{
int hashCount = buf[24];
CertHash = new byte[hashCount][];
int ptr = 26;
for (int i = 0; i < hashCount; i++)
{
CertHash[i] = new byte[buf[ptr]];
Array.Copy(buf, ptr + 1, CertHash[i], 0, buf[ptr]);
ptr += (buf[ptr] + 2);
}
}
}
public bool NetworkPasswordChanged
{
get {return BitConverter.ToInt16(Data, 0) != 0;}
}
public Guid GetGuid()
{
if (Data.Length < 24) return Guid.Empty;
byte[] b = new byte[16];
Array.Copy(Data, 8, b, 0, 16);
return new Guid(b);
}
public float GetVersion()
{
if (Data.Length < 4) return 0;
return (float)BitConverter.ToInt16(Data, 2);
}
}
*/

5
meshcentral.js
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@ -1649,6 +1649,11 @@ function CreateMeshCentralServer(config, args) {
}
});
// Setup Intel AMT hello server
if ((typeof config.settings.amthelloserver == 'object') && (typeof config.settings.amthelloserver.devicegroup == 'string')) {
obj.amthelloserver = require('./amthelloserver').CreateAmtHelloServer(obj, config.settings.amthelloserver);
}
// Start collecting server stats every 5 minutes
setInterval(function () {
obj.serverStatsCounter++;