mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-11-26 07:57:56 +03:00
Added Intel AMT session recording
This commit is contained in:
Ylian Saint-Hilaire
parent
f7dd9cfcbf
commit
523bbf1bb7
62
meshrelay.js
62
meshrelay.js
@ -183,14 +183,8 @@ module.exports.CreateMeshRelay = function (parent, ws, req, domain, user, cookie
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relayinfo.peer1.ws.send('c');
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} else {
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// Write the recording file header
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var firstBlock = Buffer.from(JSON.stringify({ magic: 'MeshCentralRelaySession', ver: 1, userid: sessionUser._id, username: sessionUser.name, sessionid: obj.id, ipaddr1: cleanRemoteAddr(ws._socket.remoteAddress), ipaddr2: cleanRemoteAddr(obj.peer.ws._socket.remoteAddress), time: new Date().toLocaleString(), protocol: req.query.p, nodeid: req.query.nodeid }));
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var header = Buffer.alloc(16); // Type (2) + Flags (2) + Size(4) + Time(8)
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header.writeInt16BE(1, 0); // Type (1 = Header, 2 = Network Data)
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header.writeInt16BE(0, 2); // Flags (1 = Binary, 2 = User)
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header.writeInt32BE(firstBlock.length, 4); // Size
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header.writeIntBE(ws.time, 10, 6); // Time
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var block = Buffer.concat([header, firstBlock]);
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parent.parent.fs.write(fd, block, 0, block.length, function (err, bytesWritten, buffer) {
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var firstBlock = JSON.stringify({ magic: 'MeshCentralRelaySession', ver: 1, userid: sessionUser._id, username: sessionUser.name, sessionid: obj.id, ipaddr1: cleanRemoteAddr(ws._socket.remoteAddress), ipaddr2: cleanRemoteAddr(obj.peer.ws._socket.remoteAddress), time: new Date().toLocaleString(), protocol: req.query.p, nodeid: req.query.nodeid });
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recordingEntry(fd, 2, ((req.query.browser) ? 2 : 0), firstBlock, function () {
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relayinfo.peer1.ws.logfile = ws.logfile = { fd: fd, lock: false };
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ws.send('c'); // Send connect to both peers
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relayinfo.peer1.ws.send('c');
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@ -257,32 +251,7 @@ module.exports.CreateMeshRelay = function (parent, ws, req, domain, user, cookie
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if (this.logfile != null) {
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// Write data to log file then perform relay
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var xthis = this;
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try {
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//console.log(obj);
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if (typeof data == 'string') {
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// String write
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var blockData = Buffer.from(data), header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8)
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header.writeInt16BE(2, 0); // Type (1 = Header, 2 = Network Data)
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header.writeInt16BE(((req.query.browser) ? 2 : 0), 2); // Flags (1 = Binary, 2 = User)
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header.writeInt32BE(blockData.length, 4); // Size
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header.writeIntBE(new Date(), 10, 6); // Time
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var block = Buffer.concat([header, blockData]);
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parent.parent.fs.write(this.logfile.fd, block, 0, block.length, function (err, bytesWritten, buffer) {
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xthis.peer.send(data, ws.flushSink);
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});
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} else {
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// Binary write
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var header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8)
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header.writeInt16BE(2, 0); // Type (1 = Header, 2 = Network Data)
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header.writeInt16BE(((req.query.browser) ? 3 : 1), 2); // Flags (1 = Binary, 2 = User)
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header.writeInt32BE(data.length, 4); // Size
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header.writeIntBE(new Date(), 10, 6); // Time
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var block = Buffer.concat([header, data]);
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parent.parent.fs.write(this.logfile.fd, block, 0, block.length, function (err, bytesWritten, buffer) {
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xthis.peer.send(data, ws.flushSink);
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});
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}
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} catch (ex) { console.log(ex); }
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recordingEntry(this.logfile.fd, 2, ((req.query.browser) ? 2 : 0), data, function () { xthis.peer.send(data, ws.flushSink); });
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} else {
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// Perform relay
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this.peer.send(data, ws.flushSink);
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@ -355,6 +324,31 @@ module.exports.CreateMeshRelay = function (parent, ws, req, domain, user, cookie
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delete obj.peer;
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}
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// Record a new entry in a recording log
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function recordingEntry(fd, type, flags, data, func) {
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try {
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if (typeof data == 'string') {
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// String write
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var blockData = Buffer.from(data), header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8)
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header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data)
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header.writeInt16BE(flags, 2); // Flags (1 = Binary, 2 = User)
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header.writeInt32BE(blockData.length, 4); // Size
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header.writeIntBE(new Date(), 10, 6); // Time
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var block = Buffer.concat([header, blockData]);
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parent.parent.fs.write(fd, block, 0, block.length, func);
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} else {
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// Binary write
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var header = Buffer.alloc(16); // Header: Type (2) + Flags (2) + Size(4) + Time(8)
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header.writeInt16BE(type, 0); // Type (1 = Header, 2 = Network Data)
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header.writeInt16BE(flags | 1, 2); // Flags (1 = Binary, 2 = User)
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header.writeInt32BE(data.length, 4); // Size
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header.writeIntBE(new Date(), 10, 6); // Time
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var block = Buffer.concat([header, data]);
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parent.parent.fs.write(fd, block, 0, block.length, func);
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}
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} catch (ex) { console.log(ex); func(); }
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}
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// Mark this relay session as authenticated if this is the user end.
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obj.authenticated = (user != null);
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if (obj.authenticated) {
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@ -1,6 +1,6 @@
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{
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"name": "meshcentral",
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"version": "0.3.9-j",
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"version": "0.3.9-k",
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"keywords": [
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"Remote Management",
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"Intel AMT",
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@ -104,7 +104,8 @@
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"_agentConfig": [ "webSocketMaskOverride=1" ],
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"_SessionRecording": {
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"_filepath": "C:\\temp",
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"protocols": [ 1, 2 ]
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"__protocols__": "Is an array: 1 = Terminal, 2 = Desktop, 5 = Files, 100 = Intel AMT WSMAN, 101 = Intel AMT Redirection",
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"protocols": [ 1, 2, 101 ]
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}
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},
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"customer1": {
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65
webserver.js
65
webserver.js
@ -1960,10 +1960,9 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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}
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}
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/*
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// Setup session recording if needed
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if (domain.sessionrecording == true || ((typeof domain.sessionrecording == 'object') && ((domain.sessionrecording.protocols == null) || (domain.sessionrecording.protocols.indexOf(100) >= 0)))) { // TODO 100
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var recFilename = 'relaysession' + ((domain.id == '') ? '' : '-') + domain.id + '-' + Date.now() + '-' + 'AAAAAAA' + '.mcrec'; // TODO: Random ID
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if (domain.sessionrecording == true || ((typeof domain.sessionrecording == 'object') && ((domain.sessionrecording.protocols == null) || (domain.sessionrecording.protocols.indexOf((req.query.p == 2) ? 101 : 100) >= 0)))) { // TODO 100
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var recFilename = 'relaysession' + ((domain.id == '') ? '' : '-') + domain.id + '-' + Date.now() + '-' + getRandomPassword() + '.mcrec'; // TODO: Random ID
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var recFullFilename = null;
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if (domain.sessionrecording.filepath) {
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try { obj.fs.mkdirSync(domain.sessionrecording.filepath); } catch (e) { }
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@ -1975,13 +1974,11 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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var fd = obj.fs.openSync(recFullFilename, 'w');
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if (fd != null) {
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// Write the recording file header
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//console.log({ magic: 'MeshCentralRelaySession', ver: 1, userid: user._id, username: user.name, ipaddr: cleanRemoteAddr(ws._socket.remoteAddress), nodeid: node._id, intelamt: true, protocol: parseInt(req.query.p), time: new Date().toLocaleString() });
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var firstBlock = JSON.stringify({ magic: 'MeshCentralRelaySession', ver: 1, userid: user._id, username: user.name, ipaddr: cleanRemoteAddr(ws._socket.remoteAddress), nodeid: node._id, intelamt: true, protocol: parseInt(req.query.p), time: new Date().toLocaleString() })
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var firstBlock = JSON.stringify({ magic: 'MeshCentralRelaySession', ver: 1, userid: user._id, username: user.name, ipaddr: cleanRemoteAddr(ws._socket.remoteAddress), nodeid: node._id, intelamt: true, protocol: (req.query.p == 2) ? 101 : 100, time: new Date().toLocaleString() })
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recordingEntry(fd, 1, 0, firstBlock, function () { });
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ws.logfile = { fd: fd, lock: false };
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}
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}
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*/
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// If Intel AMT CIRA connection is available, use it
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if (((conn & 2) != 0) && (parent.mpsserver.ciraConnections[req.query.host] != null)) {
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@ -2001,7 +1998,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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var ser = new SerialTunnel();
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var chnl = parent.mpsserver.SetupCiraChannel(ciraconn, port);
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// let's chain up the TLSSocket <-> SerialTunnel <-> CIRA APF (chnl)
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// Let's chain up the TLSSocket <-> SerialTunnel <-> CIRA APF (chnl)
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// Anything that needs to be forwarded by SerialTunnel will be encapsulated by chnl write
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ser.forwardwrite = function (msg) {
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// TLS ---> CIRA
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@ -2056,7 +2053,16 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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msg = msg.toString('binary');
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if (ws.interceptor) { msg = ws.interceptor.processBrowserData(msg); } // Run data thru interceptor
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//console.log('WS --> AMT', Buffer.from(msg, 'binary').toString('hex'));
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if (ws.forwardclient.xtls == 1) { ws.forwardclient.write(Buffer.from(msg, 'binary')); } else { ws.forwardclient.write(msg); }
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// Log to recording file
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if (ws.logfile == null) {
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// Forward data to the associated TCP connection.
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if (ws.forwardclient.xtls == 1) { ws.forwardclient.write(Buffer.from(msg, 'binary')); } else { ws.forwardclient.write(msg); }
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} else {
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// Log to recording file
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var msg2 = Buffer.from(msg, 'binary');
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recordingEntry(ws.logfile.fd, 2, 2, msg2, function () { try { if (ws.forwardclient.xtls == 1) { ws.forwardclient.write(msg2); } else { ws.forwardclient.write(msg); } } catch (ex) { } });
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}
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});
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// If error, close the associated TCP connection.
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@ -2064,12 +2070,18 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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console.log('CIRA server websocket error from ' + ws._socket.remoteAddress + ', ' + err.toString().split('\r')[0] + '.');
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Debug(1, 'Websocket relay closed on error.');
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if (ws.forwardclient && ws.forwardclient.close) { ws.forwardclient.close(); } // TODO: If TLS is used, we need to close the socket that is wrapped by TLS
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// Close the recording file
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if (ws.logfile != null) { obj.fs.close(ws.logfile.fd); ws.logfile = null; }
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});
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// If the web socket is closed, close the associated TCP connection.
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ws.on('close', function (req) {
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Debug(1, 'Websocket relay closed.');
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if (ws.forwardclient && ws.forwardclient.close) { ws.forwardclient.close(); } // TODO: If TLS is used, we need to close the socket that is wrapped by TLS
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// Close the recording file
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if (ws.logfile != null) { obj.fs.close(ws.logfile.fd); ws.logfile = null; }
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});
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ws.forwardclient.onStateChange = function (ciraconn, state) {
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@ -2081,7 +2093,15 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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Debug(4, 'Relay CIRA data', data.length);
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if (ws.interceptor) { data = ws.interceptor.processAmtData(data); } // Run data thru interceptor
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//console.log('AMT --> WS', Buffer.from(data, 'binary').toString('hex'));
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if (data.length > 0) { try { ws.send(Buffer.from(data, 'binary')); } catch (e) { } } // TODO: Add TLS support
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if (data.length > 0) {
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if (ws.logfile == null) {
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try { ws.send(Buffer.from(data, 'binary')); } catch (e) { } // TODO: Add TLS support
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} else {
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// Log to recording file
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data = Buffer.from(data, 'binary');
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recordingEntry(ws.logfile.fd, 2, 2, data, function () { try { ws.send(data); } catch (e) { } }); // TODO: Add TLS support
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}
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}
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};
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ws.forwardclient.onSendOk = function (ciraconn) {
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@ -2116,7 +2136,16 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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}
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msg = msg.toString('binary');
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if (ws.interceptor) { msg = ws.interceptor.processBrowserData(msg); } // Run data thru interceptor
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ws.forwardclient.write(Buffer.from(msg, 'binary')); // Forward data to the associated TCP connection.
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// Log to recording file
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if (ws.logfile == null) {
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// Forward data to the associated TCP connection.
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try { ws.forwardclient.write(Buffer.from(msg, 'binary')); } catch (ex) { }
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} else {
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// Log to recording file
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msg = Buffer.from(msg, 'binary');
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recordingEntry(ws.logfile.fd, 2, 2, msg, function () { try { ws.forwardclient.write(msg); } catch (ex) { } });
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}
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});
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// If error, close the associated TCP connection.
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@ -2124,12 +2153,18 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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console.log('Error with relay web socket connection from ' + ws._socket.remoteAddress + ', ' + err.toString().split('\r')[0] + '.');
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Debug(1, 'Error with relay web socket connection from ' + ws._socket.remoteAddress + '.');
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if (ws.forwardclient) { try { ws.forwardclient.destroy(); } catch (e) { } }
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// Close the recording file
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if (ws.logfile != null) { obj.fs.close(ws.logfile.fd); ws.logfile = null; }
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});
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// If the web socket is closed, close the associated TCP connection.
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ws.on('close', function () {
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Debug(1, 'Closing relay web socket connection to ' + req.query.host + '.');
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if (ws.forwardclient) { try { ws.forwardclient.destroy(); } catch (e) { } }
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// Close the recording file
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if (ws.logfile != null) { obj.fs.close(ws.logfile.fd); ws.logfile = null; }
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});
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// Compute target port
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@ -2165,7 +2200,14 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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if (obj.parent.debugLevel >= 4) { Debug(4, ' ' + Buffer.from(data, 'binary').toString('hex')); }
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}
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if (ws.interceptor) { data = ws.interceptor.processAmtData(data); } // Run data thru interceptor
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try { ws.send(Buffer.from(data, 'binary')); } catch (e) { }
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if (ws.logfile == null) {
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// No logging
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try { ws.send(Buffer.from(data, 'binary')); } catch (e) { }
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} else {
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// Log to recording file
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data = Buffer.from(data, 'binary');
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recordingEntry(ws.logfile.fd, 2, 0, data, function () { try { ws.send(data); } catch (e) { } });
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}
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});
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// If the TCP connection closes, disconnect the associated web socket.
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@ -3412,6 +3454,7 @@ module.exports.CreateWebServer = function (parent, db, args, certificates) {
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// Generate a random Intel AMT password
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function checkAmtPassword(p) { return (p.length > 7) && (/\d/.test(p)) && (/[a-z]/.test(p)) && (/[A-Z]/.test(p)) && (/\W/.test(p)); }
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function getRandomAmtPassword() { var p; do { p = Buffer.from(obj.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); } while (checkAmtPassword(p) == false); return p; }
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function getRandomPassword() { return Buffer.from(obj.crypto.randomBytes(9), 'binary').toString('base64').split('/').join('@'); }
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// Clean a IPv6 address that encodes a IPv4 address
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function cleanRemoteAddr(addr) { if (addr.startsWith('::ffff:')) { return addr.substring(7); } else { return addr; } }
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