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MeshCentral/amt/amt-redir-mesh.js
Ylian Saint-Hilaire 90d5a3cd6f Fixed Intel AMT TLS.
2020-03-30 19:29:46 -07:00

511 lines
28 KiB
JavaScript
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/**
* @description Intel AMT Redirection Transport Module - using Node
* @author Ylian Saint-Hilaire
* @version v0.0.1f
*/
// Construct a MeshServer object
module.exports.CreateAmtRedirect = function (module, domain, user, webserver, meshcentral) {
var obj = {};
obj.m = module; // This is the inner module (Terminal or Desktop)
module.parent = obj;
obj.State = 0;
obj.net = require('net');
obj.tls = require('tls');
obj.crypto = require('crypto');
const constants = require('constants');
obj.socket = null;
obj.amtuser = null;
obj.amtpass = null;
obj.connectstate = 0;
obj.protocol = module.protocol; // 1 = SOL, 2 = KVM, 3 = IDER
obj.xtlsoptions = null;
obj.redirTrace = false;
obj.tls1only = 0; // TODO
obj.amtaccumulator = "";
obj.amtsequence = 1;
obj.amtkeepalivetimer = null;
obj.authuri = "/RedirectionService";
obj.onStateChanged = null;
obj.forwardclient = null;
// Mesh Rights
const MESHRIGHT_EDITMESH = 1;
const MESHRIGHT_MANAGEUSERS = 2;
const MESHRIGHT_MANAGECOMPUTERS = 4;
const MESHRIGHT_REMOTECONTROL = 8;
const MESHRIGHT_AGENTCONSOLE = 16;
const MESHRIGHT_SERVERFILES = 32;
const MESHRIGHT_WAKEDEVICE = 64;
const MESHRIGHT_SETNOTES = 128;
// Site rights
const SITERIGHT_SERVERBACKUP = 1;
const SITERIGHT_MANAGEUSERS = 2;
const SITERIGHT_SERVERRESTORE = 4;
const SITERIGHT_FILEACCESS = 8;
const SITERIGHT_SERVERUPDATE = 16;
const SITERIGHT_LOCKED = 32;
function Debug(lvl) {
if ((arguments.length < 2) || (lvl > meshcentral.debugLevel)) return;
var a = []; for (var i = 1; i < arguments.length; i++) { a.push(arguments[i]); } console.log(...a);
}
// Older NodeJS does not support the keyword "class", so we do without using this syntax
// TODO: Validate that it's the same as above and that it works.
function SerialTunnel(options) {
var obj = new require('stream').Duplex(options);
obj.forwardwrite = null;
obj.updateBuffer = function (chunk) { this.push(chunk); };
obj._write = function (chunk, encoding, callback) { if (obj.forwardwrite != null) { obj.forwardwrite(chunk); } else { console.err("Failed to fwd _write."); } if (callback) callback(); }; // Pass data written to forward
obj._read = function (size) { }; // Push nothing, anything to read should be pushed from updateBuffer()
return obj;
}
obj.Start = function (nodeid) {
//console.log('Amt-Redir-Start', nodeid);
obj.connectstate = 0;
Debug(1, 'AMT redir for ' + user.name + ' to ' + nodeid + '.');
obj.xxStateChange(1);
// Fetch information about the target
meshcentral.db.Get(nodeid, function (err, docs) {
if (docs.length == 0) { console.log('ERR: Node not found'); obj.Stop(); return; }
var node = docs[0];
if (!node.intelamt) { console.log('ERR: Not AMT node'); obj.Stop(); return; }
obj.amtuser = node.intelamt.user;
obj.amtpass = node.intelamt.pass;
// Check if this user has permission to manage this computer
var meshlinks = user.links[node.meshid];
if ((!meshlinks) || (!meshlinks.rights) || ((meshlinks.rights & MESHRIGHT_REMOTECONTROL) == 0)) { console.log('ERR: Access denied (2)'); obj.Stop(); return; }
// Check what connectivity is available for this node
var state = meshcentral.GetConnectivityState(nodeid);
var conn = 0;
if (!state || state.connectivity == 0) { Debug(1, 'ERR: No routing possible (1)'); obj.Stop(); return; } else { conn = state.connectivity; }
/*
// Check what server needs to handle this connection
if ((meshcentral.multiServer != null) && (cookie == null)) { // If a cookie is provided, don't allow the connection to jump again to a different server
var server = obj.parent.GetRoutingServerId(nodeid, 2); // Check for Intel CIRA connection
if (server != null) {
if (server.serverid != obj.parent.serverId) {
// Do local Intel CIRA routing using a different server
Debug(1, 'Route Intel AMT CIRA connection to peer server: ' + server.serverid);
obj.parent.multiServer.createPeerRelay(ws, req, server.serverid, user);
return;
}
} else {
server = obj.parent.GetRoutingServerId(nodeid, 4); // Check for local Intel AMT connection
if ((server != null) && (server.serverid != obj.parent.serverId)) {
// Do local Intel AMT routing using a different server
Debug(1, 'Route Intel AMT direct connection to peer server: ' + server.serverid);
obj.parent.multiServer.createPeerRelay(ws, req, server.serverid, user);
return;
}
}
}
*/
// If Intel AMT CIRA connection is available, use it
if (((conn & 2) != 0) && (meshcentral.mpsserver.ciraConnections[nodeid] != null)) {
Debug(1, 'Opening Intel AMT CIRA transport connection to ' + nodeid + '.');
var ciraconn = meshcentral.mpsserver.ciraConnections[nodeid];
// Compute target port, look at the CIRA port mappings, if non-TLS is allowed, use that, if not use TLS
var port = 16995;
if (ciraconn.tag.boundPorts.indexOf(16994) >= 0) port = 16994; // RELEASE: Always use non-TLS mode if available within CIRA
// Setup a new CIRA channel
if ((port == 16993) || (port == 16995)) {
// Perform TLS - ( TODO: THIS IS BROKEN on Intel AMT v7 but works on v10, Not sure why. Well, could be broken TLS 1.0 in firmware )
var ser = new SerialTunnel();
var chnl = meshcentral.mpsserver.SetupCiraChannel(ciraconn, port);
// let's chain up the TLSSocket <-> SerialTunnel <-> CIRA APF (chnl)
// Anything that needs to be forwarded by SerialTunnel will be encapsulated by chnl write
ser.forwardwrite = function (msg) {
// TLS ---> CIRA
chnl.write(msg.toString('binary'));
};
// When APF tunnel return something, update SerialTunnel buffer
chnl.onData = function (ciraconn, data) {
// CIRA ---> TLS
Debug(3, 'Relay TLS CIRA data', data.length);
if (data.length > 0) { try { ser.updateBuffer(Buffer.from(data, 'binary')); } catch (e) { } }
};
// Handle CIRA tunnel state change
chnl.onStateChange = function (ciraconn, state) {
Debug(2, 'Relay TLS CIRA state change', state);
if (state == 0) { try { ws.close(); } catch (e) { } }
};
// TLSSocket to encapsulate TLS communication, which then tunneled via SerialTunnel an then wrapped through CIRA APF
const TLSSocket = require('tls').TLSSocket;
const tlsoptions = { ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false };
if (obj.tls1only == 1) { tlsoptions.secureProtocol = 'TLSv1_method'; }
const tlsock = new TLSSocket(ser, tlsoptions);
tlsock.on('error', function (err) { Debug(1, "CIRA TLS Connection Error ", err); });
tlsock.on('secureConnect', function () { Debug(2, "CIRA Secure TLS Connection"); ws._socket.resume(); });
// Decrypted tunnel from TLS communcation to be forwarded to websocket
tlsock.on('data', function (data) {
// AMT/TLS ---> WS
try {
data = data.toString('binary');
//ws.send(Buffer.from(data, 'binary'));
ws.send(data);
} catch (e) { }
});
// If TLS is on, forward it through TLSSocket
obj.forwardclient = tlsock;
obj.forwardclient.xtls = 1;
} else {
// Without TLS
obj.forwardclient = meshcentral.mpsserver.SetupCiraChannel(ciraconn, port);
obj.forwardclient.xtls = 0;
}
obj.forwardclient.onStateChange = function (ciraconn, state) {
Debug(2, 'Intel AMT CIRA relay state change', state);
if (state == 0) { try { obj.Stop(); } catch (e) { } }
else if (state == 2) { obj.xxOnSocketConnected(); }
};
obj.forwardclient.onData = function (ciraconn, data) {
Debug(4, 'Intel AMT CIRA data', data.length);
if (data.length > 0) { obj.xxOnSocketData(data); } // TODO: Add TLS support
};
obj.forwardclient.onSendOk = function (ciraconn) {
// TODO: Flow control? (Dont' really need it with AMT, but would be nice)
Debug(4, 'Intel AMT CIRA sendok');
};
return;
}
// If Intel AMT direct connection is possible, option a direct socket
if ((conn & 4) != 0) { // We got a new web socket connection, initiate a TCP connection to the target Intel AMT host/port.
Debug(1, 'Opening Intel AMT transport connection to ' + nodeid + '.');
// Compute target port
var port = 16994;
if (node.intelamt.tls > 0) port = 16995; // This is a direct connection, use TLS when possible
if (node.intelamt.tls != 1) {
// If this is TCP (without TLS) set a normal TCP socket
obj.forwardclient = new obj.net.Socket();
obj.forwardclient.setEncoding('binary');
} else {
// If TLS is going to be used, setup a TLS socket
var tlsoptions = { ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: constants.SSL_OP_NO_SSLv2 | constants.SSL_OP_NO_SSLv3 | constants.SSL_OP_NO_COMPRESSION | constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false };
if (obj.tls1only == 1) { tlsoptions.secureProtocol = 'TLSv1_method'; }
obj.forwardclient = obj.tls.connect(port, node.host, tlsoptions, function () {
// The TLS connection method is the same as TCP, but located a bit differently.
Debug(2, 'TLS Intel AMT transport connected to ' + node.host + ':' + port + '.');
obj.xxOnSocketConnected();
});
obj.forwardclient.setEncoding('binary');
}
// When we receive data on the TCP connection, forward it back into the web socket connection.
obj.forwardclient.on('data', function (data) {
//if (obj.parent.debugLevel >= 1) { // DEBUG
Debug(1, 'Intel AMT transport data from ' + node.host + ', ' + data.length + ' bytes.');
Debug(4, ' ' + Buffer.from(data, 'binary').toString('hex'));
//if (obj.parent.debugLevel >= 4) { Debug(4, ' ' + Buffer.from(data, 'binary').toString('hex')); }
//}
obj.xxOnSocketData(data);
});
// If the TCP connection closes, disconnect the associated web socket.
obj.forwardclient.on('close', function () {
Debug(1, 'Intel AMT transport relay disconnected from ' + node.host + '.');
obj.Stop();
});
// If the TCP connection causes an error, disconnect the associated web socket.
obj.forwardclient.on('error', function (err) {
Debug(1, 'Intel AMT transport relay error from ' + node.host + ': ' + err.errno);
obj.Stop();
});
if (node.intelamt.tls == 0) {
// A TCP connection to Intel AMT just connected, start forwarding.
obj.forwardclient.connect(port, node.host, function () {
Debug(1, 'Intel AMT transport connected to ' + node.host + ':' + port + '.');
obj.xxOnSocketConnected();
});
}
return;
}
});
}
// Get the certificate of Intel AMT
obj.getPeerCertificate = function () { if (obj.xtls == true) { return obj.socket.getPeerCertificate(); } return null; }
obj.xxOnSocketConnected = function () {
//console.log('xxOnSocketConnected');
if (!obj.xtlsoptions || !obj.xtlsoptions.meshServerConnect) {
if (obj.xtls == true) {
obj.xtlsCertificate = obj.socket.getPeerCertificate();
if ((obj.xtlsFingerprint != 0) && (obj.xtlsCertificate.fingerprint.split(':').join('').toLowerCase() != obj.xtlsFingerprint)) { obj.Stop(); return; }
}
}
if (obj.redirTrace) { console.log("REDIR-CONNECTED"); }
//obj.Debug("Socket Connected");
obj.xxStateChange(2);
if (obj.protocol == 1) obj.xxSend(obj.RedirectStartSol); // TODO: Put these strings in higher level module to tighten code
if (obj.protocol == 2) obj.xxSend(obj.RedirectStartKvm); // Don't need these is the feature if not compiled-in.
if (obj.protocol == 3) obj.xxSend(obj.RedirectStartIder);
}
obj.xxOnSocketData = function (data) {
if (!data || obj.connectstate == -1) return;
if (obj.redirTrace) { console.log("REDIR-RECV(" + data.length + "): " + webserver.common.rstr2hex(data)); }
//obj.Debug("Recv(" + data.length + "): " + webserver.common.rstr2hex(data));
if ((obj.protocol > 1) && (obj.connectstate == 1)) { return obj.m.ProcessData(data); } // KVM traffic, forward it directly.
obj.amtaccumulator += data;
//obj.Debug("Recv(" + obj.amtaccumulator.length + "): " + webserver.common.rstr2hex(obj.amtaccumulator));
while (obj.amtaccumulator.length >= 1) {
var cmdsize = 0;
switch (obj.amtaccumulator.charCodeAt(0)) {
case 0x11: // StartRedirectionSessionReply (17)
if (obj.amtaccumulator.length < 4) return;
var statuscode = obj.amtaccumulator.charCodeAt(1);
switch (statuscode) {
case 0: // STATUS_SUCCESS
if (obj.amtaccumulator.length < 13) return;
var oemlen = obj.amtaccumulator.charCodeAt(12);
if (obj.amtaccumulator.length < 13 + oemlen) return;
obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)); // Query authentication support
cmdsize = (13 + oemlen);
break;
default:
obj.Stop();
break;
}
break;
case 0x14: // AuthenticateSessionReply (20)
if (obj.amtaccumulator.length < 9) return;
var authDataLen = webserver.common.ReadIntX(obj.amtaccumulator, 5);
if (obj.amtaccumulator.length < 9 + authDataLen) return;
var status = obj.amtaccumulator.charCodeAt(1);
var authType = obj.amtaccumulator.charCodeAt(4);
var authData = [];
for (i = 0; i < authDataLen; i++) { authData.push(obj.amtaccumulator.charCodeAt(9 + i)); }
var authDataBuf = obj.amtaccumulator.substring(9, 9 + authDataLen);
cmdsize = 9 + authDataLen;
if (authType == 0) {
/*
// This is Kerberos code, not supported in MeshCentral.
if (obj.amtuser == '*') {
if (authData.indexOf(2) >= 0) {
// Kerberos Auth
var ticket;
if (kerberos && kerberos != null) {
var ticketReturn = kerberos.getTicket('HTTP' + ((obj.tls == 1)?'S':'') + '/' + ((obj.amtpass == '') ? (obj.host + ':' + obj.port) : obj.amtpass));
if (ticketReturn.returnCode == 0 || ticketReturn.returnCode == 0x90312) {
ticket = ticketReturn.ticket;
if (process.platform.indexOf('win') >= 0) {
// Clear kerberos tickets on both 32 and 64bit Windows platforms
try { require('child_process').exec('%windir%\\system32\\klist purge', function (error, stdout, stderr) { if (error) { require('child_process').exec('%windir%\\sysnative\\klist purge', function (error, stdout, stderr) { if (error) { console.error('Unable to purge kerberos tickets'); } }); } }); } catch (e) { console.log(e); }
}
} else {
console.error('Unexpected Kerberos error code: ' + ticketReturn.returnCode);
}
}
if (ticket) {
obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x02) + webserver.common.IntToStrX(ticket.length) + ticket);
} else {
obj.Stop();
}
}
else obj.Stop();
} else {
*/
// Query
if (authData.indexOf(4) >= 0) {
// Good Digest Auth (With cnonce and all)
obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x04) + webserver.common.IntToStrX(obj.amtuser.length + obj.authuri.length + 8) + String.fromCharCode(obj.amtuser.length) + obj.amtuser + String.fromCharCode(0x00, 0x00) + String.fromCharCode(obj.authuri.length) + obj.authuri + String.fromCharCode(0x00, 0x00, 0x00, 0x00));
}
else if (authData.indexOf(3) >= 0) {
// Bad Digest Auth (Not sure why this is supported, cnonce is not used!)
obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x03) + webserver.common.IntToStrX(obj.amtuser.length + obj.authuri.length + 7) + String.fromCharCode(obj.amtuser.length) + obj.amtuser + String.fromCharCode(0x00, 0x00) + String.fromCharCode(obj.authuri.length) + obj.authuri + String.fromCharCode(0x00, 0x00, 0x00));
}
else if (authData.indexOf(1) >= 0) {
// Basic Auth (Probably a good idea to not support this unless this is an old version of Intel AMT)
obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x01) + webserver.common.IntToStrX(obj.amtuser.length + obj.amtpass.length + 2) + String.fromCharCode(obj.amtuser.length) + obj.amtuser + String.fromCharCode(obj.amtpass.length) + obj.amtpass);
}
else obj.Stop();
/*
}
*/
}
else if ((authType == 3 || authType == 4) && status == 1) {
var curptr = 0;
// Realm
var realmlen = authDataBuf.charCodeAt(curptr);
var realm = authDataBuf.substring(curptr + 1, curptr + 1 + realmlen);
curptr += (realmlen + 1);
// Nonce
var noncelen = authDataBuf.charCodeAt(curptr);
var nonce = authDataBuf.substring(curptr + 1, curptr + 1 + noncelen);
curptr += (noncelen + 1);
// QOP
var qoplen = 0;
var qop = null;
var cnonce = obj.xxRandomValueHex(32);
var snc = '00000002';
var extra = '';
if (authType == 4) {
qoplen = authDataBuf.charCodeAt(curptr);
qop = authDataBuf.substring(curptr + 1, curptr + 1 + qoplen);
curptr += (qoplen + 1);
extra = snc + ":" + cnonce + ":" + qop + ":";
}
var digest = hex_md5(hex_md5(obj.amtuser + ":" + realm + ":" + obj.amtpass) + ":" + nonce + ":" + extra + hex_md5("POST:" + obj.authuri));
var totallen = obj.amtuser.length + realm.length + nonce.length + obj.authuri.length + cnonce.length + snc.length + digest.length + 7;
if (authType == 4) totallen += (qop.length + 1);
var buf = String.fromCharCode(0x13, 0x00, 0x00, 0x00, authType) + webserver.common.IntToStrX(totallen) + String.fromCharCode(obj.amtuser.length) + obj.amtuser + String.fromCharCode(realm.length) + realm + String.fromCharCode(nonce.length) + nonce + String.fromCharCode(obj.authuri.length) + obj.authuri + String.fromCharCode(cnonce.length) + cnonce + String.fromCharCode(snc.length) + snc + String.fromCharCode(digest.length) + digest;
if (authType == 4) buf += (String.fromCharCode(qop.length) + qop);
obj.xxSend(buf);
}
else if (status == 0) { // Success
/*
if (obj.protocol == 1) {
// Serial-over-LAN: Send Intel AMT serial settings...
var MaxTxBuffer = 10000;
var TxTimeout = 100;
var TxOverflowTimeout = 0;
var RxTimeout = 10000;
var RxFlushTimeout = 100;
var Heartbeat = 0;//5000;
obj.xxSend(String.fromCharCode(0x20, 0x00, 0x00, 0x00) + ToIntStr(obj.amtsequence++) + ToShortStr(MaxTxBuffer) + ToShortStr(TxTimeout) + ToShortStr(TxOverflowTimeout) + ToShortStr(RxTimeout) + ToShortStr(RxFlushTimeout) + ToShortStr(Heartbeat) + ToIntStr(0));
}
if (obj.protocol == 2) {
// Remote Desktop: Send traffic directly...
obj.xxSend(String.fromCharCode(0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00));
}
*/
if (obj.protocol == 3) { // IDE-R
obj.connectstate = 1;
obj.m.Start();
if (obj.amtaccumulator.length > cmdsize) { obj.m.ProcessData(obj.amtaccumulator.substring(cmdsize)); }
cmdsize = obj.amtaccumulator.length;
}
} else obj.Stop();
break;
case 0x21: // Response to settings (33)
if (obj.amtaccumulator.length < 23) break;
cmdsize = 23;
obj.xxSend(String.fromCharCode(0x27, 0x00, 0x00, 0x00) + ToIntStr(obj.amtsequence++) + String.fromCharCode(0x00, 0x00, 0x1B, 0x00, 0x00, 0x00));
if (obj.protocol == 1) { obj.amtkeepalivetimer = setInterval(obj.xxSendAmtKeepAlive, 2000); }
obj.connectstate = 1;
obj.xxStateChange(3);
break;
case 0x29: // Serial Settings (41)
if (obj.amtaccumulator.length < 10) break;
cmdsize = 10;
break;
case 0x2A: // Incoming display data (42)
if (obj.amtaccumulator.length < 10) break;
var cs = (10 + ((obj.amtaccumulator.charCodeAt(9) & 0xFF) << 8) + (obj.amtaccumulator.charCodeAt(8) & 0xFF));
if (obj.amtaccumulator.length < cs) break;
obj.m.ProcessData(obj.amtaccumulator.substring(10, cs));
cmdsize = cs;
break;
case 0x2B: // Keep alive message (43)
if (obj.amtaccumulator.length < 8) break;
cmdsize = 8;
break;
case 0x41:
if (obj.amtaccumulator.length < 8) break;
obj.connectstate = 1;
obj.m.Start();
// KVM traffic, forward rest of accumulator directly.
if (obj.amtaccumulator.length > 8) { obj.m.ProcessData(obj.amtaccumulator.substring(8)); }
cmdsize = obj.amtaccumulator.length;
break;
default:
console.log("Unknown Intel AMT command: " + obj.amtaccumulator.charCodeAt(0) + " acclen=" + obj.amtaccumulator.length);
obj.Stop();
return;
}
if (cmdsize == 0) return;
obj.amtaccumulator = obj.amtaccumulator.substring(cmdsize);
}
}
obj.xxSend = function (x) {
if (obj.redirTrace) { console.log("REDIR-SEND(" + x.length + "): " + new Buffer(x, "binary").toString('hex'), typeof x); }
//obj.Debug("Send(" + x.length + "): " + webserver.common.rstr2hex(x));
//obj.forwardclient.write(x); // FIXES CIRA
obj.forwardclient.write(new Buffer(x, "binary"));
}
obj.Send = function (x) {
if (obj.forwardclient == null || obj.connectstate != 1) return;
if (obj.protocol == 1) { obj.xxSend(String.fromCharCode(0x28, 0x00, 0x00, 0x00) + ToIntStr(obj.amtsequence++) + ToShortStr(x.length) + x); } else { obj.xxSend(x); }
}
obj.xxSendAmtKeepAlive = function () {
if (obj.forwardclient == null) return;
obj.xxSend(String.fromCharCode(0x2B, 0x00, 0x00, 0x00) + ToIntStr(obj.amtsequence++));
}
obj.xxRandomValueHex = function(len) { return obj.crypto.randomBytes(Math.ceil(len / 2)).toString('hex').slice(0, len); }
obj.xxOnSocketClosed = function () {
if (obj.redirTrace) { console.log("REDIR-CLOSED"); }
//obj.Debug("Socket Closed");
obj.Stop();
}
obj.xxStateChange = function(newstate) {
if (obj.State == newstate) return;
obj.State = newstate;
obj.m.xxStateChange(obj.State);
if (obj.onStateChanged != null) obj.onStateChanged(obj, obj.State);
}
obj.Stop = function () {
if (obj.redirTrace) { console.log("REDIR-CLOSED"); }
//obj.Debug("Socket Stopped");
obj.xxStateChange(0);
obj.connectstate = -1;
obj.amtaccumulator = "";
if (obj.forwardclient != null) { try { obj.forwardclient.close(); } catch (ex) { } delete obj.forwardclient; }
if (obj.amtkeepalivetimer != null) { clearInterval(obj.amtkeepalivetimer); delete obj.amtkeepalivetimer; }
}
obj.RedirectStartSol = String.fromCharCode(0x10, 0x00, 0x00, 0x00, 0x53, 0x4F, 0x4C, 0x20);
obj.RedirectStartKvm = String.fromCharCode(0x10, 0x01, 0x00, 0x00, 0x4b, 0x56, 0x4d, 0x52);
obj.RedirectStartIder = String.fromCharCode(0x10, 0x00, 0x00, 0x00, 0x49, 0x44, 0x45, 0x52);
function hex_md5(str) { return meshcentral.certificateOperations.forge.md.md5.create().update(str).digest().toHex(); }
return obj;
}
function ToIntStr(v) { return String.fromCharCode((v & 0xFF), ((v >> 8) & 0xFF), ((v >> 16) & 0xFF), ((v >> 24) & 0xFF)); }
function ToShortStr(v) { return String.fromCharCode((v & 0xFF), ((v >> 8) & 0xFF)); }
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