mirror of
https://github.com/Ylianst/MeshCommander
synced 2025-12-06 06:03:20 +00:00
Improved WSMAN/KVM performance, must better on IE.
This commit is contained in:
Ylian Saint-Hilaire
@@ -22,15 +22,18 @@ var CreateAmtRedirect = function (module) {
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obj.connectstate = 0;
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obj.protocol = module.protocol; // 1 = SOL, 2 = KVM, 3 = IDER
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obj.xtlsoptions = null;
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obj.amtaccumulator = '';
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obj.amtsequence = 1;
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obj.amtkeepalivetimer = null;
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obj.authuri = '/RedirectionService';
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obj.digestRealmMatch = null;
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obj.onStateChanged = null;
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function ToIntStr(v) { return String.fromCharCode((v & 0xFF), ((v >> 8) & 0xFF), ((v >> 16) & 0xFF), ((v >> 24) & 0xFF)); }
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function ToShortStr(v) { return String.fromCharCode((v & 0xFF), ((v >> 8) & 0xFF)); }
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function arrToStr(arr) { return String.fromCharCode.apply(null, arr); }
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function randomHex(length) { var r = ''; for (var i = 0; i < length; i++) { r += 'abcdef0123456789'.charAt(Math.floor(Math.random() * 16)); } return r; }
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// Private method
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//obj.Debug = function (msg) { console.log(msg); }
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@@ -47,13 +50,13 @@ var CreateAmtRedirect = function (module) {
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if (obj.xtlsoptions && obj.xtlsoptions.meshServerConnect) {
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// Use the websocket wrapper to connect to MeshServer server
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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=2&tls=' + tlsFingerprint.xtls + '&tls1only=' + tlsFingerprint.xtlsMethod, obj.xtlsoptions.xtlsFingerprint);
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obj.socket.setEncoding('binary');
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//obj.socket.setEncoding('binary');
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obj.socket.ondata = obj.xxOnSocketData;
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obj.socket.onclose = obj.xxOnSocketClosed;
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obj.socket.connect(obj.xxOnSocketConnected);
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} else if (tls == false) {
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obj.socket = new obj.net.Socket();
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obj.socket.setEncoding('binary');
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//obj.socket.setEncoding('binary');
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obj.socket.connect(port, host, obj.xxOnSocketConnected);
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obj.socket.on('data', obj.xxOnSocketData);
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obj.socket.on('close', obj.xxOnSocketClosed);
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@@ -61,7 +64,7 @@ var CreateAmtRedirect = function (module) {
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} else {
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if (obj.xtlsoptions == null) { obj.xtlsoptions = { secureProtocol: 'TLSv1_method', ciphers: 'RSA+AES:!aNULL:!MD5:!DSS', secureOptions: obj.constants.SSL_OP_NO_SSLv2 | obj.constants.SSL_OP_NO_SSLv3 | obj.constants.SSL_OP_NO_COMPRESSION | obj.constants.SSL_OP_CIPHER_SERVER_PREFERENCE, rejectUnauthorized: false }; }
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obj.socket = obj.tls.connect(port, host, obj.xtlsoptions, obj.xxOnSocketConnected);
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obj.socket.setEncoding('binary');
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//obj.socket.setEncoding('binary');
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obj.socket.on('data', obj.xxOnSocketData);
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obj.socket.on('close', obj.xxOnSocketClosed);
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obj.socket.on('error', obj.xxOnSocketClosed);
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@@ -84,193 +87,188 @@ var CreateAmtRedirect = function (module) {
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if (urlvars && urlvars['redirtrace']) { console.log('REDIR-CONNECTED'); }
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//obj.Debug("Socket Connected");
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obj.xxStateChange(2);
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if (obj.protocol == 1) obj.xxSend(obj.RedirectStartSol); // TODO: Put these strings in higher level module to tighten code
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if (obj.protocol == 2) obj.xxSend(obj.RedirectStartKvm); // Don't need these is the feature if not compiled-in.
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if (obj.protocol == 3) obj.xxSend(obj.RedirectStartIder);
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if (obj.protocol == 1) obj.directSend(new Uint8Array([0x10, 0x00, 0x00, 0x00, 0x53, 0x4F, 0x4C, 0x20])); // SOL
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if (obj.protocol == 2) obj.directSend(new Uint8Array([0x10, 0x01, 0x00, 0x00, 0x4b, 0x56, 0x4d, 0x52])); // KVM
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if (obj.protocol == 3) obj.directSend(new Uint8Array([0x10, 0x00, 0x00, 0x00, 0x49, 0x44, 0x45, 0x52])); // IDER
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}
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obj.xxOnSocketData = function (data) {
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if (!data || obj.connectstate == -1) return;
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if (urlvars && urlvars['redirtrace']) { console.log('REDIR-RECV(' + data.length + '): ' + rstr2hex(data)); }
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//obj.Debug("Recv(" + data.length + "): " + rstr2hex(data));
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if ((obj.protocol == 2 || obj.protocol == 3) && obj.connectstate == 1) { return obj.m.ProcessData(data); } // KVM traffic, forward it directly.
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obj.amtaccumulator += data;
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//obj.Debug("Recv(" + obj.amtaccumulator.length + "): " + rstr2hex(obj.amtaccumulator));
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while (obj.amtaccumulator.length >= 1) {
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var cmdsize = 0;
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switch (obj.amtaccumulator.charCodeAt(0)) {
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//obj.inDataCount++;
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data = new Uint8Array(data).buffer;
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// KVM traffic, forward it directly.
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if ((obj.connectstate == 1) && ((obj.protocol == 2) || (obj.protocol == 3))) {
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return obj.m.ProcessBinaryData ? obj.m.ProcessBinaryData(data) : obj.m.ProcessData(arrToStr(new Uint8Array(data)));
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}
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// Append to accumulator
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if (obj.acc == null) {
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obj.acc = data;
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} else {
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var tmp = new Uint8Array(obj.acc.byteLength + data.byteLength);
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tmp.set(new Uint8Array(obj.acc), 0);
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tmp.set(new Uint8Array(data), obj.acc.byteLength);
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obj.acc = tmp.buffer;
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}
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//console.log('Redir Recv', obj.acc);
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while ((obj.acc != null) && (obj.acc.byteLength >= 1)) {
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var cmdsize = 0, accArray = new Uint8Array(obj.acc);
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switch (accArray[0]) {
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case 0x11: // StartRedirectionSessionReply (17)
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if (obj.amtaccumulator.length < 4) return;
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var statuscode = obj.amtaccumulator.charCodeAt(1);
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if (accArray.byteLength < 4) return;
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var statuscode = accArray[1];
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switch (statuscode) {
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case 0: // STATUS_SUCCESS
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if (obj.amtaccumulator.length < 13) return;
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var oemlen = obj.amtaccumulator.charCodeAt(12);
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if (obj.amtaccumulator.length < 13 + oemlen) return;
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obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)); // Query authentication support
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if (accArray.byteLength < 13) return;
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var oemlen = accArray[12];
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if (accArray.byteLength < 13 + oemlen) return;
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obj.directSend(new Uint8Array([0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00])); // Query for available authentication
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cmdsize = (13 + oemlen);
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break;
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default:
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obj.Stop();
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obj.Stop(1);
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break;
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}
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break;
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case 0x14: // AuthenticateSessionReply (20)
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if (obj.amtaccumulator.length < 9) return;
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var authDataLen = ReadIntX(obj.amtaccumulator, 5);
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if (obj.amtaccumulator.length < 9 + authDataLen) return;
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var status = obj.amtaccumulator.charCodeAt(1);
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var authType = obj.amtaccumulator.charCodeAt(4);
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var authData = [];
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for (i = 0; i < authDataLen; i++) { authData.push(obj.amtaccumulator.charCodeAt(9 + i)); }
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var authDataBuf = obj.amtaccumulator.substring(9, 9 + authDataLen);
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if (accArray.byteLength < 9) return;
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var authDataLen = new DataView(obj.acc).getUint32(5, true);
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if (accArray.byteLength < 9 + authDataLen) return;
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var status = accArray[1], authType = accArray[4], authData = [];
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for (i = 0; i < authDataLen; i++) { authData.push(accArray[9 + i]); }
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var authDataBuf = new Uint8Array(obj.acc.slice(9, 9 + authDataLen));
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cmdsize = 9 + authDataLen;
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if (authType == 0) {
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// ###BEGIN###{Mode-NodeWebkit}
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if (obj.user == '*') {
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if (authData.indexOf(2) >= 0) {
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// Kerberos Auth
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var ticket;
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if (kerberos && kerberos != null) {
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var ticketReturn = kerberos.getTicket('HTTP' + ((obj.tls == 1)?'S':'') + '/' + ((obj.pass == '') ? (obj.host + ':' + obj.port) : obj.pass));
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if (ticketReturn.returnCode == 0 || ticketReturn.returnCode == 0x90312) {
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ticket = ticketReturn.ticket;
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if (process.platform.indexOf('win') >= 0) {
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// Clear kerberos tickets on both 32 and 64bit Windows platforms
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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); }
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}
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} else {
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console.error('Unexpected Kerberos error code: ' + ticketReturn.returnCode);
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}
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}
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if (ticket) {
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obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x02) + IntToStrX(ticket.length) + ticket);
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} else {
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obj.Stop();
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}
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}
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else obj.Stop();
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} else {
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// ###END###{Mode-NodeWebkit}
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// Query
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if (authData.indexOf(4) >= 0) {
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// Good Digest Auth (With cnonce and all)
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obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x04) + IntToStrX(obj.user.length + obj.authuri.length + 8) + String.fromCharCode(obj.user.length) + obj.user + String.fromCharCode(0x00, 0x00) + String.fromCharCode(obj.authuri.length) + obj.authuri + String.fromCharCode(0x00, 0x00, 0x00, 0x00));
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}
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else if (authData.indexOf(3) >= 0) {
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// Bad Digest Auth (Not sure why this is supported, cnonce is not used!)
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obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x03) + IntToStrX(obj.user.length + obj.authuri.length + 7) + String.fromCharCode(obj.user.length) + obj.user + String.fromCharCode(0x00, 0x00) + String.fromCharCode(obj.authuri.length) + obj.authuri + String.fromCharCode(0x00, 0x00, 0x00));
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}
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else if (authData.indexOf(1) >= 0) {
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// Basic Auth (Probably a good idea to not support this unless this is an old version of Intel AMT)
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obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x01) + IntToStrX(obj.user.length + obj.pass.length + 2) + String.fromCharCode(obj.user.length) + obj.user + String.fromCharCode(obj.pass.length) + obj.pass);
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}
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else obj.Stop();
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// ###BEGIN###{Mode-NodeWebkit}
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// Query
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if (authData.indexOf(4) >= 0) {
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// Good Digest Auth (With cnonce and all)
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obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x04) + IntToStrX(obj.user.length + obj.authuri.length + 8) + String.fromCharCode(obj.user.length) + obj.user + String.fromCharCode(0x00, 0x00) + String.fromCharCode(obj.authuri.length) + obj.authuri + String.fromCharCode(0x00, 0x00, 0x00, 0x00));
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}
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// ###END###{Mode-NodeWebkit}
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}
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else if ((authType == 3 || authType == 4) && status == 1) {
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else if (authData.indexOf(3) >= 0) {
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// Bad Digest Auth (Not sure why this is supported, cnonce is not used!)
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obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x03) + IntToStrX(obj.user.length + obj.authuri.length + 7) + String.fromCharCode(obj.user.length) + obj.user + String.fromCharCode(0x00, 0x00) + String.fromCharCode(obj.authuri.length) + obj.authuri + String.fromCharCode(0x00, 0x00, 0x00));
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}
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else if (authData.indexOf(1) >= 0) {
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// Basic Auth (Probably a good idea to not support this unless this is an old version of Intel AMT)
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obj.xxSend(String.fromCharCode(0x13, 0x00, 0x00, 0x00, 0x01) + IntToStrX(obj.user.length + obj.pass.length + 2) + String.fromCharCode(obj.user.length) + obj.user + String.fromCharCode(obj.pass.length) + obj.pass);
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}
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else obj.Stop(2);
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} else if (((authType == 3) || (authType == 4)) && (status == 1)) {
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var curptr = 0;
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// Realm
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var realmlen = authDataBuf.charCodeAt(curptr);
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var realm = authDataBuf.substring(curptr + 1, curptr + 1 + realmlen);
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var realmlen = authDataBuf[curptr];
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var realm = arrToStr(new Uint8Array(authDataBuf.buffer.slice(curptr + 1, curptr + 1 + realmlen)));
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curptr += (realmlen + 1);
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// Check the digest realm. If it does not match, close the connection.
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if (obj.digestRealmMatch && (obj.digestRealmMatch != realm)) { obj.Stop(); return; }
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// Nonce
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var noncelen = authDataBuf.charCodeAt(curptr);
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var nonce = authDataBuf.substring(curptr + 1, curptr + 1 + noncelen);
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var noncelen = authDataBuf[curptr];
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var nonce = arrToStr(new Uint8Array(authDataBuf.buffer.slice(curptr + 1, curptr + 1 + noncelen)));
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curptr += (noncelen + 1);
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// QOP
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var qoplen = 0;
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var qop = null;
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var cnonce = obj.xxRandomValueHex(32);
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var cnonce = randomHex(32);
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var snc = '00000002';
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var extra = '';
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if (authType == 4) {
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qoplen = authDataBuf.charCodeAt(curptr);
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qop = authDataBuf.substring(curptr + 1, curptr + 1 + qoplen);
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qoplen = authDataBuf[curptr];
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qop = arrToStr(new Uint8Array(authDataBuf.buffer.slice(curptr + 1, curptr + 1 + qoplen)));
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curptr += (qoplen + 1);
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extra = snc + ':' + cnonce + ':' + qop + ':';
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}
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var digest = hex_md5(hex_md5(obj.user + ':' + realm + ':' + obj.pass) + ':' + nonce + ':' + extra + hex_md5('POST:' + obj.authuri));
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var digest = hex_md5(hex_md5(obj.user + ':' + realm + ':' + obj.pass) + ':' + nonce + ':' + extra + hex_md5('POST:' + obj.authuri));
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var totallen = obj.user.length + realm.length + nonce.length + obj.authuri.length + cnonce.length + snc.length + digest.length + 7;
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if (authType == 4) totallen += (qop.length + 1);
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var buf = String.fromCharCode(0x13, 0x00, 0x00, 0x00, authType) + IntToStrX(totallen) + String.fromCharCode(obj.user.length) + obj.user + 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;
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if (authType == 4) buf += (String.fromCharCode(qop.length) + qop);
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obj.xxSend(buf);
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}
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else if (status == 0) { // Success
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if (obj.protocol == 1) {
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// Serial-over-LAN: Send Intel AMT serial settings...
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var MaxTxBuffer = 10000;
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var TxTimeout = 100;
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var TxOverflowTimeout = 0;
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var RxTimeout = 10000;
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var RxFlushTimeout = 100;
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var Heartbeat = 0;//5000;
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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));
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} else if (status == 0) { // Success
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switch (obj.protocol) {
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case 1: {
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// Serial-over-LAN: Send Intel AMT serial settings...
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var MaxTxBuffer = 10000;
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var TxTimeout = 100;
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var TxOverflowTimeout = 0;
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var RxTimeout = 10000;
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var RxFlushTimeout = 100;
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var Heartbeat = 0;//5000;
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obj.xxSend(String.fromCharCode(0x20, 0x00, 0x00, 0x00) + IntToStrX(obj.amtsequence++) + ShortToStrX(MaxTxBuffer) + ShortToStrX(TxTimeout) + ShortToStrX(TxOverflowTimeout) + ShortToStrX(RxTimeout) + ShortToStrX(RxFlushTimeout) + ShortToStrX(Heartbeat) + IntToStrX(0));
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break;
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}
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case 2: {
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// Remote Desktop: Send traffic directly...
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obj.directSend(new Uint8Array([0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]));
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break;
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}
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case 3: {
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// Remote IDER: Send traffic directly...
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obj.connectstate = 1;
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obj.xxStateChange(3);
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break;
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}
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}
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if (obj.protocol == 2) {
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// Remote Desktop: Send traffic directly...
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obj.xxSend(String.fromCharCode(0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00));
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}
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// ###BEGIN###{IDER}
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if (obj.protocol == 3) {
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// Remote IDER: Send traffic directly...
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obj.connectstate = 1;
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obj.xxStateChange(3);
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}
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// ###END###{IDER}
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} else obj.Stop();
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} else obj.Stop(3);
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break;
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case 0x21: // Response to settings (33)
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if (obj.amtaccumulator.length < 23) break;
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if (accArray.byteLength < 23) break;
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cmdsize = 23;
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obj.xxSend(String.fromCharCode(0x27, 0x00, 0x00, 0x00) + ToIntStr(obj.amtsequence++) + String.fromCharCode(0x00, 0x00, 0x1B, 0x00, 0x00, 0x00));
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obj.xxSend(String.fromCharCode(0x27, 0x00, 0x00, 0x00) + IntToStrX(obj.amtsequence++) + String.fromCharCode(0x00, 0x00, 0x1B, 0x00, 0x00, 0x00));
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if (obj.protocol == 1) { obj.amtkeepalivetimer = setInterval(obj.xxSendAmtKeepAlive, 2000); }
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obj.connectstate = 1;
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obj.xxStateChange(3);
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break;
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case 0x29: // Serial Settings (41)
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if (obj.amtaccumulator.length < 10) break;
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if (accArray.byteLength < 10) break;
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cmdsize = 10;
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break;
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case 0x2A: // Incoming display data (42)
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if (obj.amtaccumulator.length < 10) break;
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var cs = (10 + ((obj.amtaccumulator.charCodeAt(9) & 0xFF) << 8) + (obj.amtaccumulator.charCodeAt(8) & 0xFF));
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if (obj.amtaccumulator.length < cs) break;
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obj.m.ProcessData(obj.amtaccumulator.substring(10, cs));
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if (accArray.byteLength < 10) break;
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var cs = (10 + (accArray[9] << 8) + accArray[8]);
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||||
if (accArray.byteLength < cs) break;
|
||||
if (obj.m.ProcessBinaryData) { obj.m.ProcessBinaryData(obj.acc.slice(10, cs)); } else { obj.m.ProcessData(arrToStr(obj.acc.slice(10, cs))); }
|
||||
cmdsize = cs;
|
||||
break;
|
||||
case 0x2B: // Keep alive message (43)
|
||||
if (obj.amtaccumulator.length < 8) break;
|
||||
if (accArray.byteLength < 8) break;
|
||||
cmdsize = 8;
|
||||
break;
|
||||
case 0x41:
|
||||
if (obj.amtaccumulator.length < 8) break;
|
||||
if (accArray.byteLength < 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;
|
||||
if (accArray.byteLength > 8) {
|
||||
if (obj.m.ProcessBinaryData) {
|
||||
obj.m.ProcessBinaryData(obj.acc.slice(8));
|
||||
} else {
|
||||
obj.m.ProcessData(arrToStr(new Uint8Array(obj.acc.slice(8))));
|
||||
}
|
||||
}
|
||||
cmdsize = accArray.byteLength;
|
||||
break;
|
||||
case 0xF0:
|
||||
// console.log('Session is being recorded');
|
||||
obj.serverIsRecording = true;
|
||||
cmdsize = 1;
|
||||
break;
|
||||
default:
|
||||
console.log("Unknown Intel AMT command: " + obj.amtaccumulator.charCodeAt(0) + " acclen=" + obj.amtaccumulator.length);
|
||||
obj.Stop();
|
||||
console.log('Unknown Intel AMT command: ' + accArray[0] + ' acclen=' + accArray.byteLength);
|
||||
obj.Stop(4);
|
||||
return;
|
||||
}
|
||||
if (cmdsize == 0) return;
|
||||
obj.amtaccumulator = obj.amtaccumulator.substring(cmdsize);
|
||||
if (cmdsize != obj.acc.byteLength) { obj.acc = obj.acc.slice(cmdsize); } else { obj.acc = null; }
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
obj.directSend = function (arr) { try { obj.socket.write(new Buffer(arr)); } catch (ex) { console.log(ex); } }
|
||||
|
||||
obj.xxSend = function (x) {
|
||||
if (urlvars && urlvars['redirtrace']) { console.log('REDIR-SEND(' + x.length + '): ' + rstr2hex(x)); }
|
||||
//obj.Debug("Send(" + x.length + "): " + rstr2hex(x));
|
||||
@@ -287,8 +285,6 @@ var CreateAmtRedirect = function (module) {
|
||||
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 (urlvars && urlvars['redirtrace']) { console.log('REDIR-CLOSED'); }
|
||||
//obj.Debug("Socket Closed");
|
||||
@@ -312,12 +308,5 @@ var CreateAmtRedirect = function (module) {
|
||||
if (obj.amtkeepalivetimer != null) { clearInterval(obj.amtkeepalivetimer); obj.amtkeepalivetimer = null; }
|
||||
}
|
||||
|
||||
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);
|
||||
|
||||
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)); }
|
||||
|
||||
Reference in New Issue
Block a user