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https://github.com/Ylianst/MeshCentral.git
synced 2024-12-23 22:13:14 +03:00
Workaround a race condition on meshagent sending coreinfo messages.
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Ylian Saint-Hilaire
parent
de486bb02a
commit
b2d9dc5f87
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@ -58,9 +58,10 @@ function createMeshCore(agent) {
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*/
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// MeshAgent JavaScript Core Module. This code is sent to and running on the mesh agent.
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obj.meshCoreInfo = "MeshCore v6";
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obj.meshCoreCapabilities = 14; // Capability bitmask: 1 = Desktop, 2 = Terminal, 4 = Files, 8 = Console, 16 = JavaScript
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obj.loggedInUsers = null;
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var meshCoreObj = { "action": "coreinfo", "value": "MeshCore v6", "caps": 14 }; // Capability bitmask: 1 = Desktop, 2 = Terminal, 4 = Files, 8 = Console, 16 = JavaScript
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// Get the operating system description string
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try { require('os').name().then(function (v) { meshCoreObj.osdesc = v; }); } catch (ex) { }
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var meshServerConnectionState = 0;
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var tunnels = {};
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@ -90,19 +91,15 @@ function createMeshCore(agent) {
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childProcess = require('child_process');
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if (mesh.hasKVM == 1) { // if the agent is compiled with KVM support
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// Check if this computer supports a desktop
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try { if ((process.platform == 'win32') || (process.platform == 'darwin') || (require('monitor-info').kvm_x11_support)) { obj.meshCoreCapabilities |= 1; } } catch (ex) { }
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try { if ((process.platform == 'win32') || (process.platform == 'darwin') || (require('monitor-info').kvm_x11_support)) { meshCoreObj.caps |= 1; } } catch (ex) { }
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}
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} else {
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// Running in nodejs
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obj.meshCoreInfo += '-NodeJS';
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obj.meshCoreCapabilities = 8;
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meshCoreObj.value += '-NodeJS';
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meshCoreObj.caps = 8;
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mesh = agent.getMeshApi();
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}
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// Get the operating system description string
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var osDesc = null;
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try { require('os').name().then(function (v) { osDesc = v; if (mesh.isControlChannelConnected) { mesh.SendCommand({ "action": "coreinfo", "value": obj.meshCoreInfo, "osdesc": osDesc }); } }); } catch (ex) { }
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/*
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var AMTScanner = require("AMTScanner");
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var scan = new AMTScanner();
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@ -139,31 +136,33 @@ function createMeshCore(agent) {
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// Fetch the SMBios Tables
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var SMBiosTables = null;
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var SMBiosTablesRaw = null;
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require('smbios').get(function (data) {
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if (data != null) {
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SMBiosTablesRaw = data;
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SMBiosTables = require('smbios').parse(data)
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if (mesh.isControlChannelConnected) { mesh.SendCommand({ "action": "smbios", "value": SMBiosTablesRaw }); }
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try {
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require('smbios').get(function (data) {
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if (data != null) {
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SMBiosTablesRaw = data;
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SMBiosTables = require('smbios').parse(data)
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if (mesh.isControlChannelConnected) { mesh.SendCommand({ "action": "smbios", "value": SMBiosTablesRaw }); }
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// If SMBios tables say that AMT is present, try to connect MEI
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if (SMBiosTables.amtInfo && (SMBiosTables.amtInfo.AMT == true)) {
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// Try to load up the MEI module
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try {
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var amtMeiLib = require('amt-mei');
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amtMei = new amtMeiLib();
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amtMei.on('error', function (e) { amtMeiLib = null; amtMei = null; amtMeiConnected = -1; });
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amtMeiConnected = 2;
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sendPeriodicServerUpdate(1);
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} catch (ex) { amtMeiLib = null; amtMei = null; amtMeiConnected = -1; }
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// If SMBios tables say that AMT is present, try to connect MEI
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if (SMBiosTables.amtInfo && (SMBiosTables.amtInfo.AMT == true)) {
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// Try to load up the MEI module
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try {
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var amtMeiLib = require('amt-mei');
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amtMei = new amtMeiLib();
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amtMei.on('error', function (e) { amtMeiLib = null; amtMei = null; amtMeiConnected = -1; });
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amtMeiConnected = 2;
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sendPeriodicServerUpdate(1);
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} catch (ex) { amtMeiLib = null; amtMei = null; amtMeiConnected = -1; }
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}
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}
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}
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});
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});
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} catch (ex) { sendConsoleText(ex); }
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// Try to load up the WIFI scanner
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try {
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var wifiScannerLib = require('wifi-scanner');
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wifiScanner = new wifiScannerLib();
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wifiScanner.on('accessPoint', function (data) { sendConsoleText(JSON.stringify(data)); });
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wifiScanner.on('accessPoint', function (data) { sendConsoleText(data); });
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} catch (ex) { wifiScannerLib = null; wifiScanner = null; }
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// Get our location (lat/long) using our public IP address
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@ -931,8 +930,8 @@ function createMeshCore(agent) {
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case 'border':
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{
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if ((args['_'].length == 1) && (args['_'][0] == 'on')) {
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if (obj.loggedInUsers.length > 0) {
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obj.borderManager.Start(obj.loggedInUsers[0]);
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if (meshCoreObj.users.length > 0) {
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obj.borderManager.Start(meshCoreObj.users[0]);
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response = 'Border blinking is on.';
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} else {
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response = 'Cannot turn on border blinking, no logged in users.';
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@ -946,11 +945,10 @@ function createMeshCore(agent) {
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}
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break;
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*/
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case 'users':
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{
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if (obj.loggedInUsers == null) { response = 'Active users are unknown.'; } else { response = 'Active Users: ' + obj.loggedInUsers.join(', ') + '.'; }
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}
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case 'users': {
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if (meshCoreObj.users == null) { response = 'Active users are unknown.'; } else { response = 'Active Users: ' + meshCoreObj.users.join(', ') + '.'; }
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break;
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}
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case 'toast': {
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if (process.platform == 'win32') {
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if (args['_'].length < 1) { response = 'Proper usage: toast "message"'; } else {
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@ -1023,9 +1021,9 @@ function createMeshCore(agent) {
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break;
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}
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case 'info': { // Return information about the agent and agent core module
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response = 'Current Core: ' + obj.meshCoreInfo + '.\r\nAgent Time: ' + Date() + '.\r\nUser Rights: 0x' + rights.toString(16) + '.\r\nPlatform: ' + process.platform + '.\r\nCapabilities: ' + obj.meshCoreCapabilities + '.\r\nServer URL: ' + mesh.ServerUrl + '.';
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response = 'Current Core: ' + meshCoreObj.value + '.\r\nAgent Time: ' + Date() + '.\r\nUser Rights: 0x' + rights.toString(16) + '.\r\nPlatform: ' + process.platform + '.\r\nCapabilities: ' + meshCoreObj.caps + '.\r\nServer URL: ' + mesh.ServerUrl + '.';
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if (amtLmsState >= 0) { response += '\r\nBuilt-in LMS: ' + ['Disabled', 'Connecting..', 'Connected'][amtLmsState] + '.'; }
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if (osDesc) { response += '\r\nOS: ' + osDesc + '.'; }
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if (meshCoreObj.osdesc) { response += '\r\nOS: ' + meshCoreObj.osdesc + '.'; }
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response += '\r\nModules: ' + addedModules.join(', ') + '.';
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response += '\r\nServer Connection: ' + mesh.isControlChannelConnected + ', State: ' + meshServerConnectionState + '.';
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response += '\r\lastMeInfo: ' + lastMeInfo + '.';
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@ -1048,18 +1046,20 @@ function createMeshCore(agent) {
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if (args['_'].length == 0) {
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response = 'Proper usage: sendcaps (number)'; // Display correct command usage
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} else {
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var flags = { "action": "coreinfo", "value": obj.meshCoreInfo, "caps": parseInt(args['_'][0]) };
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mesh.SendCommand(flags);
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response = JSON.stringify(flags);
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meshCoreObj.caps = parseInt(args['_'][0]);
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mesh.SendCommand(meshCoreObj);
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response = JSON.stringify(meshCoreObj);
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}
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break;
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}
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case 'sendosdesc': { // Send OS description
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var os = osDesc;
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if (args['_'].length > 0) { os = args['_'][0]; }
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var flags = { "action": "coreinfo", "value": obj.meshCoreInfo, "osdesc": os };
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mesh.SendCommand(flags);
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response = JSON.stringify(flags);
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if (args['_'].length > 0) {
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meshCoreObj.osdesc = args['_'][0];
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mesh.SendCommand(meshCoreObj);
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response = JSON.stringify(meshCoreObj);
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} else {
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response = 'Proper usage: sendosdesc [os description]'; // Display correct command usage
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}
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break;
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}
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case 'args': { // Displays parsed command arguments
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@ -1362,17 +1362,12 @@ function createMeshCore(agent) {
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var oldNodeId = db.Get('OldNodeId');
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if (oldNodeId != null) { mesh.SendCommand({ action: 'mc1migration', oldnodeid: oldNodeId }); }
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// Update the server with basic info
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var r = { "action": "coreinfo", "value": obj.meshCoreInfo, "caps": obj.meshCoreCapabilities };
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if (osDesc != null) { r.osdesc = osDesc; }
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mesh.SendCommand(r);
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// Update the server with basic info, logged in users and more.
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mesh.SendCommand(meshCoreObj);
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// Send SMBios tables if present
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if (SMBiosTablesRaw != null) { mesh.SendCommand({ "action": "smbios", "value": SMBiosTablesRaw }); }
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// Update list of logged in users
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if (obj.loggedInUsers != null) { mesh.SendCommand({ "action": "coreinfo", "v": { "users": obj.loggedInUsers } }); }
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// Update the server on more advanced stuff, like Intel ME and Network Settings
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meInfoStr = null;
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sendPeriodicServerUpdate();
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@ -1410,8 +1405,12 @@ function createMeshCore(agent) {
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if (meinfo.OsHostname) { intelamt.host = meinfo.OsHostname; p = true; }
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if (meinfo.UUID) { intelamt.uuid = meinfo.UUID; p = true; }
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if (p == true) {
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var meInfoStr = JSON.stringify({ "action": "coreinfo", "value": obj.meshCoreInfo, "intelamt": intelamt });
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if (meInfoStr != lastMeInfo) { mesh.SendCommand(meInfoStr); lastMeInfo = meInfoStr; }
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var meInfoStr = JSON.stringify(intelamt);
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if (meInfoStr != lastMeInfo) {
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meshCoreObj.intelamt = intelamt;
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mesh.SendCommand(meshCoreObj);
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lastMeInfo = meInfoStr;
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}
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}
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} catch (ex) { }
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});
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@ -1492,8 +1491,8 @@ function createMeshCore(agent) {
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var un = a[i].Domain ? (a[i].Domain + '\\' + a[i].Username) : (a[i].Username);
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if (u.indexOf(un) == -1) { u.push(un); } // Only push users in the list once.
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}
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obj.loggedInUsers = u;
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if (mesh.isControlChannelConnected) { mesh.SendCommand({ "action": "coreinfo", "users": u }); }
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meshCoreObj.users = u;
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mesh.SendCommand(meshCoreObj);
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});
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});
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userSession.emit('changed');
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@ -602,7 +602,7 @@ module.exports.CreateMeshAgent = function (parent, db, ws, req, args, domain) {
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if (mesh == null) return;
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// Get the node and change it if needed
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obj.db.Get(obj.dbNodeKey, function (err, nodes) {
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obj.db.Get(obj.dbNodeKey, function (err, nodes) { // TODO: THIS IS A BIG RACE CONDITION HERE, WE NEED TO FIX THAT. If this call is made twice at the same time on the same device, data will be missed.
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if (nodes.length != 1) return;
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var device = nodes[0];
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if (device.agent) {
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@ -1,6 +1,6 @@
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{
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"name": "meshcentral",
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"version": "0.2.3-c",
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"version": "0.2.3-e",
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"keywords": [
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"Remote Management",
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"Intel AMT",
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@ -1937,8 +1937,7 @@
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// If a device is no longer viewed, disconnect it.
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if (multiDesktop[i].xxdelete == true) { multiDesktop[i].Stop(); delete multiDesktop[i]; }
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else if (debugmode && multiDesktop[i].m && multiDesktop[i].m.onScreenSizeChange) {
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// Adjust screen size change (JOKO) - This is not good.
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multiDesktop[i].m.onScreenSizeChange();
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mdeskAdjust(multiDesktop[i].m, multiDesktop[i].m.ScreenWidth, multiDesktop[i].m.ScreenHeight, multiDesktop[i].m.CanvasId); // Adjust screen size change
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}
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}
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deskAdjust();
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