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A working serverside AMT API via 3 different

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modes, namely  mode 1 (AMT Direct),
mode 2 (CIRA) and mode 3 (APF bridge)
This commit is contained in:
jsastriawan 2019-09-20 17:21:58 -07:00
parent d4c55680e2
commit 9c09a3ebc0
6 changed files with 94 additions and 35 deletions
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12
agents/modules_meshcore/apfclient.js
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@ -332,7 +332,7 @@ function CreateAPFClient(parent, args) {
if (pfwd_ports.indexOf(p_res.target_port) >= 0) {
// connect socket to that port
obj.downlinks[p_res.sender_chan] = obj.net.createConnection({ host: obj.args.clientaddress, port: p_res.target_port }, function () {
obj.downlinks[p_res.sender_chan].setEncoding('binary');//assume everything is binary, not interpreting
//obj.downlinks[p_res.sender_chan].setEncoding('binary');//assume everything is binary, not interpreting
SendChannelOpenConfirm(socket.ws, p_res);
});
@ -348,8 +348,10 @@ function CreateAPFClient(parent, args) {
obj.downlinks[p_res.sender_chan].on('end', function () {
if (obj.downlinks[p_res.sender_chan]) {
try {
Debug("Socket ends.");
SendChannelClose(socket.ws, p_res.sender_chan);
delete obj.downlinks[p_res.sender_chan];
// add some delay before removing... otherwise race condition
setTimeout(function () { delete obj.downlinks[p_res.sender_chan];},100);
} catch (e) {
Debug("Downlink connection exception: " + e);
}
@ -449,14 +451,14 @@ function CreateAPFClient(parent, args) {
function SendChannelData(socket, chan, len, data) {
var buf = String.fromCharCode(APFProtocol.CHANNEL_DATA) + IntToStr(chan) + IntToStr(len) + data;
socket.write(Buffer.from(buf, 'binary'));
socket.write(buf);
Debug("APF: Send ChannelData: " + rstr2hex(buf));
}
function SendChannelClose(socket, chan) {
var buf = String.fromCharCode(APFProtocol.CHANNEL_CLOSE) + IntToStr(chan);
socket.write(Buffer.from(buf, 'binary'));
Debug("APF: Send ChannelClose: " + rstr2hex(buf));
socket.write(buf);
Debug("APF: Send ChannelClose ");
}
obj.connect = function () {

2
agents/modules_meshcore_min/apfclient.min.js vendored
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File diff suppressed because one or more lines are too long

39
amt/amt-wsman-comm.js
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@ -1,6 +1,6 @@
/**
* @description Intel(r) AMT WSMAN communication using Node.js TLS
* @author Ylian Saint-Hilaire
* @author Ylian Saint-Hilaire/Joko Sastriawan
* @version v0.2.0b
*/
@ -39,7 +39,7 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
obj.xtls = tls;
obj.xtlsoptions = tlsoptions;
obj.parent = parent;
obj.mode = mode;//0: webrelay; 1: direct, 2: CIRA, 3: APF relay
obj.mode = mode;//1: direct, 2: CIRA, 3: APF relay
obj.xtlsFingerprint;
obj.xtlsCertificate = null;
obj.xtlsCheck = 0; // 0 = No TLS, 1 = CA Checked, 2 = Pinned, 3 = Untrusted
@ -167,17 +167,7 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
obj.socketState = 1;
obj.kerberosDone = 0;
if (obj.mode==0 && obj.xtlsoptions && obj.xtlsoptions.meshServerConnect) { //Webrelay
// Use the websocket wrapper to connect to MeshServer server
obj.socket = CreateWebSocketWrapper(obj.xtlsoptions.host, obj.xtlsoptions.port, '/webrelay.ashx?user=' + encodeURIComponent(obj.xtlsoptions.username) + '&pass=' + encodeURIComponent(obj.xtlsoptions.password) + '&host=' + encodeURIComponent(obj.host) + '&p=1&tls1only=' + obj.xtlsMethod, obj.xtlsoptions.xtlsFingerprint);
obj.socket.setEncoding('binary');
obj.socket.setTimeout(6000); // Set socket idle timeout
obj.socket.ondata = obj.xxOnSocketData;
obj.socket.onclose = function () { if (obj.xtlsDataReceived == false) { obj.xtlsMethod = 1 - obj.xtlsMethod; } obj.xxOnSocketClosed(); }
obj.socket.ontimeout = function () { if (obj.xtlsDataReceived == false) { obj.xtlsMethod = 1 - obj.xtlsMethod; } obj.xxOnSocketClosed(); }
obj.socket.connect(obj.xxOnSocketConnected);
obj.socket.setNoDelay(true); // Disable nagle. We will encode each WSMAN request as a single send block and want to send it at once. This may help Intel AMT handle pipelining?
} else if (obj.mode==1 ) { //Direct
if (obj.mode==1 ) { //Direct
if (obj.xtls != 1) {
// Connect without TLS
obj.socket = new obj.net.Socket();
@ -214,7 +204,7 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
obj.socket = obj.parent.apfserver.SetupCiraChannel(apfconn, obj.port);
}
obj.socket.onData = function (ccon, data) {
_OnSocketData(data);
obj.xxOnSocketData(data);
}
obj.socket.onStateChange = function (ccon, state) {
@ -225,11 +215,11 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
obj.socketHeader = null;
obj.socketData = '';
obj.socketState = 0;
_OnSocketClosed();
obj.xxOnSocketClosed();
} catch (e) { }
} else if (state == 2) {
// channel open success
_OnSocketConnected();
obj.xxOnSocketConnected();
}
}
}
@ -289,8 +279,8 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
// NODE.js specific private method
obj.xxOnSocketData = function (data) {
obj.xtlsDataReceived = true;
if (urlvars && urlvars['wsmantrace']) { console.log("WSMAN-RECV(" + data.length + "): " + data); }
//console.log("RECV:"+data);
obj.xtlsDataReceived = true;
if (typeof data === 'object') {
// This is an ArrayBuffer, convert it to a string array (used in IE)
var binary = "", bytes = new Uint8Array(data), length = bytes.byteLength;
@ -305,7 +295,7 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
if (obj.socketParseState == 0) {
var headersize = obj.socketAccumulator.indexOf("\r\n\r\n");
if (headersize < 0) return;
//obj.Debug(obj.socketAccumulator.substring(0, headersize)); // Display received HTTP header
//obj.Debug("Header: "+obj.socketAccumulator.substring(0, headersize)); // Display received HTTP header
obj.socketHeader = obj.socketAccumulator.substring(0, headersize).split("\r\n");
if (obj.amtVersion == null) { for (var i in obj.socketHeader) { if (obj.socketHeader[i].indexOf('Server: Intel(R) Active Management Technology ') == 0) { obj.amtVersion = obj.socketHeader[i].substring(46); } } }
obj.socketAccumulator = obj.socketAccumulator.substring(headersize + 4);
@ -361,8 +351,10 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
var s = parseInt(header.Directive[1]);
if (isNaN(s)) s = 500;
if (s == 401 && ++(obj.authcounter) < 3) {
obj.challengeParams = obj.parseDigest(header['www-authenticate']); // Set the digest parameters, after this, the socket will close and we will auto-retry
obj.socket.end();
obj.challengeParams = obj.parseDigest(header['www-authenticate']); // Set the digest parameters, after this, the socket will close and we will auto-retry
if (obj.mode==1) {
obj.socket.end();
}
} else {
var r = obj.pendingAjaxCall.shift();
if (r == null || r.length < 1) { console.log("pendingAjaxCall error, " + r); return; }
@ -378,7 +370,7 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
obj.xxOnSocketClosed = function (data) {
//obj.Debug("xxOnSocketClosed");
obj.socketState = 0;
if (obj.socket != null) { obj.socket.destroy(); obj.socket = null; }
if (obj.mode ==1 && obj.socket != null) { obj.socket.destroy(); obj.socket = null; }
if (obj.pendingAjaxCall.length > 0) {
var r = obj.pendingAjaxCall.shift();
var retry = r[5];
@ -389,8 +381,7 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, parent,
// NODE.js specific private method
obj.xxSend = function (x) {
if (obj.socketState == 2) {
if (urlvars && urlvars['wsmantrace']) { console.log("WSMAN-SEND(" + x.length + "): " + x); }
obj.socket.write(new Buffer(x, "binary"));
obj.socket.write(Buffer.from(x, "binary"));
}
}

6
amt/amt-wsman.js
View File

@ -16,12 +16,12 @@ limitations under the License.
/**
* @description Intel(r) AMT WSMAN Stack
* @author Ylian Saint-Hilaire
* @author Ylian Saint-Hilaire/Joko Sastriawan
* @version v0.2.0
*/
// Construct a MeshServer object
function WsmanStackCreateService(CreateWsmanComm, host, port, user, pass, tls, extra)
function WsmanStackCreateService(CreateWsmanComm, host, port, user, pass, tls, extra, parent, mode)
{
var obj = {_ObjectID: 'WSMAN'};
//obj.onDebugMessage = null; // Set to a function if you want to get debug messages.
@ -38,7 +38,7 @@ function WsmanStackCreateService(CreateWsmanComm, host, port, user, pass, tls, e
{
var CreateWsmanComm = arguments[0];
if (CreateWsmanComm) {
obj.comm = new CreateWsmanComm(host, port, user, pass, tls, extra);
obj.comm = new CreateWsmanComm(host, port, user, pass, tls, extra, parent, mode);
}
}

66
meshuser.js
View File

@ -48,6 +48,11 @@ module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, use
obj.user = user;
obj.domain = domain;
// Server side amt stack
var WsmanComm = require('./amt/amt-wsman-comm.js');
var Wsman = require('./amt/amt-wsman.js');
var Amt = require('./amt/amt.js');
// Send a message to the user
//obj.send = function (data) { try { if (typeof data == 'string') { ws.send(Buffer.from(data, 'binary')); } else { ws.send(data); } } catch (e) { } }
@ -2784,6 +2789,39 @@ module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, use
}
break;
}
case 'amt': {
if (common.validateString(command.nodeid, 1, 1024) == false) break; // Check nodeid
if (common.validateInt(command.mode, 0, 3) == false) break; // Check connection mode
// validate if communication mode is possible
if (command.mode == null || command.mode==0) {
break;//unsupported
} else if (command.mode == 1) {
var state = parent.parent.GetConnectivityState(command.nodeid);
if ( (state == null) || (state.connectivity & 4)==0 ) break;
} else if (command.mode == 2) {
if (parent.parent.mpsserver.ciraConnections[command.nodeid] == null) break;
} else if (command.mode == 3) {
if (parent.parent.apfserver.apfConnections[command.nodeid] == null) break;
}
var nodeid = command.nodeid;
if ((nodeid.split('/').length == 3) && (nodeid.split('/')[1] == domain.id)) { // Validate the domain, operation only valid for current domain
// Get the device
db.Get(nodeid, function (err, nodes) {
if ((nodes == null) || (nodes.length != 1)) return;
var node = nodes[0];
// Get the mesh for this device
mesh = parent.meshes[node.meshid];
if (mesh) {
// Check if this user has rights to do this
if (mesh.links[user._id] != null && ((mesh.links[user._id].rights & 8) != 0)) { // "Remote Control permission"
handleAmtCommand(command, node);
}
}
});
}
break;
}
default: {
// Unknown user action
console.log('Unknown action from user ' + user.name + ': ' + command.action + '.');
@ -2912,5 +2950,33 @@ module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, use
function getRandomPassword() { return Buffer.from(parent.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); }
function handleAmtCommand(cmd, node) {
if (cmd==null) return;
var host = cmd.nodeid;
if (cmd.mode==1) {
host = node.host;
}
var tlsoptions = null;
var wsman = new Wsman(WsmanComm, host, node.intelamt.tls? 16993: 16992, node.intelamt.user, node.intelamt.pass,
node.intelamt.tls,tlsoptions, parent.parent, cmd.mode);
var amt = new Amt(wsman);
switch (cmd.command) {
case "Get-GeneralSettings": {
amt.Get("AMT_GeneralSettings", function(obj, name, response, status) {
if (status==200) {
var resp = { action: 'amt', nodeid: cmd.nodeid, command: 'Get-GeneralSettings', value: response.Body}
ws.send(JSON.stringify(resp));
} else {
ws.send(JSON.stringify({"error": error}));
}
});
break;
}
default: {
// do nothing
}
}
}
return obj;
};

4
mpsserver.js
View File

@ -791,8 +791,8 @@ module.exports.CreateMpsServer = function (parent, db, args, certificates) {
return true;
}
// Send a part of the message
cirachannel.sendBuffer = data.substring(cirachannel.sendcredits);
SendChannelData(cirachannel.socket, cirachannel.amtchannelid, data.substring(0, cirachannel.sendcredits));
cirachannel.sendBuffer = data.toString('binary').substring(cirachannel.sendcredits);
SendChannelData(cirachannel.socket, cirachannel.amtchannelid, data.toString('binary').substring(0, cirachannel.sendcredits));
cirachannel.sendcredits = 0;
return false;
};