mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2025-03-09 15:40:18 +00:00
1439 lines
78 KiB
JavaScript
1439 lines
78 KiB
JavaScript
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var http = require('http');
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var childProcess = require('child_process');
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var meshCoreObj = { action: 'coreinfo', value: "MeshCore Recovery", caps: 14 }; // Capability bitmask: 1 = Desktop, 2 = Terminal, 4 = Files, 8 = Console, 16 = JavaScript
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var nextTunnelIndex = 1;
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var tunnels = {};
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var fs = require('fs');
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var needStreamFix = (new Date(process.versions.meshAgent) < new Date('2020-01-21 13:27:45.000-08:00'));
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try
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{
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Object.defineProperty(Array.prototype, 'find', {
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value: function (func)
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{
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var i = 0;
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for(i=0;i<this.length;++i)
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{
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if(func(this[i]))
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{
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return (this[i]);
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}
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}
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return (null);
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}
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});
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}
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catch(x)
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{
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}
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try
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{
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Object.defineProperty(Array.prototype, 'findIndex', {
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value: function (func)
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{
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var i = 0;
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for (i = 0; i < this.length; ++i)
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{
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if (func(this[i], i, this))
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{
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return (i);
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}
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}
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return (-1);
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}
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});
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}
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catch (x)
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{
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}
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if (process.platform != 'win32')
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{
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var ch = require('child_process');
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ch._execFile = ch.execFile;
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ch.execFile = function execFile(path, args, options)
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{
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if (options && options.type && options.type == ch.SpawnTypes.TERM && options.env)
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{
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options.env['TERM'] = 'xterm-256color';
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}
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return (this._execFile(path, args, options));
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};
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}
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function _getPotentialServiceNames()
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{
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var registry = require('win-registry');
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var ret = [];
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var K = registry.QueryKey(registry.HKEY.LocalMachine, 'SYSTEM\\CurrentControlSet\\Services');
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var service, s;
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while (K.subkeys.length > 0)
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{
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service = K.subkeys.shift();
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try
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{
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s = registry.QueryKey(registry.HKEY.LocalMachine, 'SYSTEM\\CurrentControlSet\\Services\\' + service, 'ImagePath');
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if (s.startsWith(process.execPath) || s.startsWith('"' + process.execPath + '"'))
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{
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ret.push(service);
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}
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}
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catch (x)
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{
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}
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}
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return (ret);
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}
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function _verifyServiceName(names)
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{
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var i;
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var s;
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var ret = null;
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for (i = 0; i < names.length; ++i)
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{
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try
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{
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s = require('service-manager').manager.getService(names[i]);
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if (s.isMe())
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{
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ret = names[i];
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s.close();
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break;
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}
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s.close();
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}
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catch (z) { }
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}
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return (ret);
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}
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function windows_getCommandLine()
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{
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var parms = [];
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var GM = require('_GenericMarshal');
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var k32 = GM.CreateNativeProxy('kernel32.dll');
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var s32 = GM.CreateNativeProxy('shell32.dll');
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k32.CreateMethod('GetCommandLineW');
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k32.CreateMethod('LocalFree');
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s32.CreateMethod('CommandLineToArgvW');
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var v = k32.GetCommandLineW();
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var i;
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var len = GM.CreateVariable(4);
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var val = s32.CommandLineToArgvW(v, len);
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len = len.toBuffer().readInt32LE(0);
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if (len > 0)
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{
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for (i = 0; i < len; ++i)
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{
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parms.push(val.Deref(i * GM.PointerSize, GM.PointerSize).Deref().Wide2UTF8);
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}
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}
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k32.LocalFree(val);
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return (parms);
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}
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if (require('MeshAgent').ARCHID == null)
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{
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var id = null;
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switch (process.platform)
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{
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case 'win32':
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id = require('_GenericMarshal').PointerSize == 4 ? 3 : 4;
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break;
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case 'freebsd':
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id = require('_GenericMarshal').PointerSize == 4 ? 31 : 30;
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break;
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case 'darwin':
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try
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{
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id = require('os').arch() == 'x64' ? 16 : 29;
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}
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catch (xx)
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{
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id = 16;
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}
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break;
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}
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if (id != null) { Object.defineProperty(require('MeshAgent'), 'ARCHID', { value: id }); }
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}
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//attachDebugger({ webport: 9994, wait: 1 }).then(function (p) { console.log('Debug on port: ' + p); });
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function sendConsoleText(msg, sessionid)
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{
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if (sessionid != null)
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{
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require('MeshAgent').SendCommand({ action: 'msg', type: 'console', value: msg, sessionid: sessionid });
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}
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else
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{
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require('MeshAgent').SendCommand({ action: 'msg', type: 'console', value: msg });
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}
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}
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function sendAgentMessage(msg, icon)
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{
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if (sendAgentMessage.messages == null)
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{
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sendAgentMessage.messages = {};
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sendAgentMessage.nextid = 1;
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}
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sendAgentMessage.messages[sendAgentMessage.nextid++] = { msg: msg, icon: icon };
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require('MeshAgent').SendCommand({ action: 'sessions', type: 'msg', value: sendAgentMessage.messages });
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}
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// Add to the server event log
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function MeshServerLog(msg, state)
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{
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if (typeof msg == 'string') { msg = { action: 'log', msg: msg }; } else { msg.action = 'log'; }
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if (state)
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{
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if (state.userid) { msg.userid = state.userid; }
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if (state.username) { msg.username = state.username; }
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if (state.sessionid) { msg.sessionid = state.sessionid; }
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if (state.remoteaddr) { msg.remoteaddr = state.remoteaddr; }
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}
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require('MeshAgent').SendCommand(msg);
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}
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// Add to the server event log, use internationalized events
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function MeshServerLogEx(id, args, msg, state)
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{
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var msg = { action: 'log', msgid: id, msgArgs: args, msg: msg };
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if (state)
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{
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if (state.userid) { msg.userid = state.userid; }
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if (state.username) { msg.username = state.username; }
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if (state.sessionid) { msg.sessionid = state.sessionid; }
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if (state.remoteaddr) { msg.remoteaddr = state.remoteaddr; }
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}
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require('MeshAgent').SendCommand(msg);
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}
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function getOpenDescriptors()
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{
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switch(process.platform)
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{
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case "freebsd":
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var child = require('child_process').execFile('/bin/sh', ['sh']);
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child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
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child.stderr.on('data', function (c) { });
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child.stdin.write("procstat -f " + process.pid + " | tr '\\n' '`' | awk -F'`' '");
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child.stdin.write('{');
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child.stdin.write(' DEL="";');
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child.stdin.write(' printf "[";');
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child.stdin.write(' for(i=1;i<NF;++i)');
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child.stdin.write(' {');
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child.stdin.write(' A=split($i,B," ");');
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child.stdin.write(' if(B[3] ~ /^[0-9]/)');
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child.stdin.write(' {');
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child.stdin.write(' printf "%s%s", DEL, B[3];');
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child.stdin.write(' DEL=",";');
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child.stdin.write(' }');
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child.stdin.write(' }');
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child.stdin.write(' printf "]";');
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child.stdin.write("}'");
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child.stdin.write('\nexit\n');
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child.waitExit();
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try
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{
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return(JSON.parse(child.stdout.str.trim()));
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}
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catch(e)
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{
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return ([]);
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}
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break;
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case "linux":
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var child = require('child_process').execFile('/bin/sh', ['sh']);
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child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
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child.stderr.on('data', function (c) { });
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child.stdin.write("ls /proc/" + process.pid + "/fd | tr '\\n' '`' | awk -F'`' '");
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child.stdin.write('{');
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child.stdin.write(' printf "[";');
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child.stdin.write(' DEL="";');
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child.stdin.write(' for(i=1;i<NF;++i)');
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child.stdin.write(' {');
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child.stdin.write(' printf "%s%s",DEL,$i;');
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child.stdin.write(' DEL=",";');
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child.stdin.write(' }');
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child.stdin.write(' printf "]";');
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child.stdin.write("}'");
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child.stdin.write('\nexit\n');
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child.waitExit();
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try
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{
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return (JSON.parse(child.stdout.str.trim()));
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}
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catch (e)
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{
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return ([]);
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}
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break;
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default:
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return ([]);
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}
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}
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function pathjoin() {
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var x = [];
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for (var i in arguments) {
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var w = arguments[i];
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if (w != null) {
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while (w.endsWith('/') || w.endsWith('\\')) { w = w.substring(0, w.length - 1); }
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if (i != 0) {
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while (w.startsWith('/') || w.startsWith('\\')) { w = w.substring(1); }
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}
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x.push(w);
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}
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}
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if (x.length == 0) return '/';
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return x.join('/');
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}
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// Replace a string with a number if the string is an exact number
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function toNumberIfNumber(x) { if ((typeof x == 'string') && (+parseInt(x) === x)) { x = parseInt(x); } return x; }
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function closeDescriptors(libc, descriptors)
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{
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var fd = null;
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while(descriptors.length>0)
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{
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fd = descriptors.pop();
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if(fd > 2)
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{
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libc.close(fd);
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}
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}
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}
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function linux_execv(name, agentfilename, sessionid)
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{
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var libs = require('monitor-info').getLibInfo('libc');
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var libc = null;
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if ((libs.length == 0 || libs.length == null) && require('MeshAgent').ARCHID == 33)
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{
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var child = require('child_process').execFile('/bin/sh', ['sh']);
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child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
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child.stderr.str = ''; child.stderr.on('data', function (c) { this.str += c.toString(); });
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child.stdin.write("ls /lib/libc.* | tr '\\n' '`' | awk -F'`' '{ " + ' printf "["; DEL=""; for(i=1;i<NF;++i) { printf "%s{\\"path\\":\\"%s\\"}",DEL,$i; DEL=""; } printf "]"; }\'\nexit\n');
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child.waitExit();
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try
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{
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libs = JSON.parse(child.stdout.str.trim());
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}
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catch(e)
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{
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}
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}
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while (libs.length > 0)
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{
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try {
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libc = require('_GenericMarshal').CreateNativeProxy(libs.pop().path);
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break;
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}
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catch (e) {
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libc = null;
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continue;
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}
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}
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if (libc != null) {
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try
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{
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libc.CreateMethod('execv');
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libc.CreateMethod('close');
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}
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catch (e) {
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libc = null;
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}
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}
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if (libc == null) {
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// Couldn't find libc.so, fallback to using service manager to restart agent
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if (sessionid != null) { sendConsoleText('Restarting service via service-manager...', sessionid) }
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try {
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// restart service
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var s = require('service-manager').manager.getService(name);
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s.restart();
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}
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catch (zz) {
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sendConsoleText('Self Update encountered an error trying to restart service', sessionid);
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sendAgentMessage('Self Update encountered an error trying to restart service', 3);
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}
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return;
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}
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if (sessionid != null) { sendConsoleText('Restarting service via execv()...', sessionid) }
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var i;
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var args;
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var argtmp = [];
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var argarr = [process.execPath];
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var path = require('_GenericMarshal').CreateVariable(process.execPath);
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if (require('MeshAgent').getStartupOptions != null) {
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var options = require('MeshAgent').getStartupOptions();
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for (i in options) {
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argarr.push('--' + i + '="' + options[i] + '"');
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}
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}
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args = require('_GenericMarshal').CreateVariable((1 + argarr.length) * require('_GenericMarshal').PointerSize);
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for (i = 0; i < argarr.length; ++i) {
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var arg = require('_GenericMarshal').CreateVariable(argarr[i]);
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argtmp.push(arg);
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arg.pointerBuffer().copy(args.toBuffer(), i * require('_GenericMarshal').PointerSize);
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}
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var descriptors = getOpenDescriptors();
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closeDescriptors(libc, descriptors);
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libc.execv(path, args);
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if (sessionid != null) { sendConsoleText('Self Update failed because execv() failed', sessionid) }
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sendAgentMessage('Self Update failed because execv() failed', 3);
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}
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function bsd_execv(name, agentfilename, sessionid) {
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var child = require('child_process').execFile('/bin/sh', ['sh']);
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child.stdout.str = ''; child.stdout.on('data', function (c) { this.str += c.toString(); });
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child.stderr.str = ''; child.stderr.on('data', function (c) { this.str += c.toString(); });
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child.stdin.write("cat /usr/lib/libc.so | awk '");
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child.stdin.write('{');
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child.stdin.write(' a=split($0, tok, "(");');
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child.stdin.write(' if(a>1)');
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child.stdin.write(' {');
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child.stdin.write(' split(tok[2], b, ")");');
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child.stdin.write(' split(b[1], c, " ");');
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child.stdin.write(' print c[1];');
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child.stdin.write(' }');
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child.stdin.write("}'\nexit\n");
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child.waitExit();
|
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if (child.stdout.str.trim() == '') {
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if (sessionid != null) { sendConsoleText('Self Update failed because cannot find libc.so', sessionid) }
|
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sendAgentMessage('Self Update failed because cannot find libc.so', 3);
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return;
|
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}
|
|
|
|
var libc = null;
|
|
try
|
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{
|
|
libc = require('_GenericMarshal').CreateNativeProxy(child.stdout.str.trim());
|
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libc.CreateMethod('execv');
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libc.CreateMethod('close');
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}
|
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catch (e) {
|
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if (sessionid != null) { sendConsoleText('Self Update failed: ' + e.toString(), sessionid) }
|
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sendAgentMessage('Self Update failed: ' + e.toString(), 3);
|
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return;
|
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}
|
|
|
|
var i;
|
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var path = require('_GenericMarshal').CreateVariable(process.execPath);
|
|
var argarr = [process.execPath];
|
|
var argtmp = [];
|
|
var args;
|
|
var options = require('MeshAgent').getStartupOptions();
|
|
for (i in options) {
|
|
argarr.push('--' + i + '="' + options[i] + '"');
|
|
}
|
|
args = require('_GenericMarshal').CreateVariable((1 + argarr.length) * require('_GenericMarshal').PointerSize);
|
|
for (i = 0; i < argarr.length; ++i) {
|
|
var arg = require('_GenericMarshal').CreateVariable(argarr[i]);
|
|
argtmp.push(arg);
|
|
arg.pointerBuffer().copy(args.toBuffer(), i * require('_GenericMarshal').PointerSize);
|
|
}
|
|
|
|
if (sessionid != null) { sendConsoleText('Restarting service via execv()', sessionid) }
|
|
|
|
var descriptors = getOpenDescriptors();
|
|
closeDescriptors(libc, descriptors);
|
|
|
|
libc.execv(path, args);
|
|
if (sessionid != null) { sendConsoleText('Self Update failed because execv() failed', sessionid) }
|
|
sendAgentMessage('Self Update failed because execv() failed', 3);
|
|
}
|
|
|
|
function windows_execve(name, agentfilename, sessionid) {
|
|
var libc;
|
|
try {
|
|
libc = require('_GenericMarshal').CreateNativeProxy('msvcrt.dll');
|
|
libc.CreateMethod('_wexecve');
|
|
}
|
|
catch (xx) {
|
|
sendConsoleText('Self Update failed because msvcrt.dll is missing', sessionid);
|
|
sendAgentMessage('Self Update failed because msvcrt.dll is missing', 3);
|
|
return;
|
|
}
|
|
|
|
var cwd = process.cwd();
|
|
if (!cwd.endsWith('\\'))
|
|
{
|
|
cwd += '\\';
|
|
}
|
|
var cmd = require('_GenericMarshal').CreateVariable(process.env['windir'] + '\\system32\\cmd.exe', { wide: true });
|
|
var args = require('_GenericMarshal').CreateVariable(3 * require('_GenericMarshal').PointerSize);
|
|
var arg1 = require('_GenericMarshal').CreateVariable('cmd.exe', { wide: true });
|
|
var arg2 = require('_GenericMarshal').CreateVariable('/C wmic service "' + name + '" call stopservice & "' + cwd + agentfilename + '.update.exe" -b64exec ' + 'dHJ5CnsKICAgIHZhciBzZXJ2aWNlTG9jYXRpb24gPSBwcm9jZXNzLmFyZ3YucG9wKCk7CiAgICByZXF1aXJlKCdwcm9jZXNzLW1hbmFnZXInKS5lbnVtZXJhdGVQcm9jZXNzZXMoKS50aGVuKGZ1bmN0aW9uIChwcm9jKQogICAgewogICAgICAgIGZvciAodmFyIHAgaW4gcHJvYykKICAgICAgICB7CiAgICAgICAgICAgIGlmIChwcm9jW3BdLnBhdGggPT0gc2VydmljZUxvY2F0aW9uKQogICAgICAgICAgICB7CiAgICAgICAgICAgICAgICBwcm9jZXNzLmtpbGwocHJvY1twXS5waWQpOwogICAgICAgICAgICB9CiAgICAgICAgfQogICAgICAgIHByb2Nlc3MuZXhpdCgpOwogICAgfSk7Cn0KY2F0Y2goZSkKewogICAgcHJvY2Vzcy5leGl0KCk7Cn0=' +
|
|
' "' + process.execPath + '" & copy "' + cwd + agentfilename + '.update.exe" "' + process.execPath + '" & wmic service "' + name + '" call startservice & erase "' + cwd + agentfilename + '.update.exe"', { wide: true });
|
|
|
|
if (name == null)
|
|
{
|
|
// We can continue with self update for Temp/Console Mode on Windows
|
|
var db = null;
|
|
var update = cwd + agentfilename + '.update.exe';
|
|
var updatedb = cwd + agentfilename + '.update.db';
|
|
var parms = windows_getCommandLine(); parms.shift();
|
|
|
|
var updatesource = parms.find(function (v) { return (v.startsWith('--updateSourcePath=')); });
|
|
if (updatesource == null)
|
|
{
|
|
parms.push('--updateSourcePath="' + cwd + agentfilename + '"');
|
|
updatesource = (cwd + agentfilename).split('.exe'); updatesource.pop(); updatesource = updatesource.join('.exe');
|
|
db = updatesource + '.db';
|
|
updatesource = (' & move "' + updatedb + '" "' + db + '"') + (' & erase "' + updatedb + '" & move "' + update + '" "' + updatesource + '.exe"');
|
|
}
|
|
else
|
|
{
|
|
updatesource = updatesource.substring(19).split('.exe');
|
|
updatesource.pop(); updatesource = updatesource.join('.exe');
|
|
db = updatesource + '.db';
|
|
updatesource = (' & move "' + update + '" "' + updatesource + '.exe" & move "' + updatedb + '" "' + db + '" & erase "' + updatedb + '"') + (' & echo move "' + update + '" "' + updatesource + '.exe" & echo move "' + updatedb + '" "' + db + '"');
|
|
}
|
|
|
|
var tmp = '/C echo copy "' + db + '" "' + updatedb + '" & copy "' + db + '" "' + updatedb + '"' + ' & "' + update + '" ' + parms.join(' ') + updatesource + ' & erase "' + update + '" & echo ERASE "' + update + '"';
|
|
arg2 = require('_GenericMarshal').CreateVariable(tmp, { wide: true });
|
|
}
|
|
|
|
arg1.pointerBuffer().copy(args.toBuffer());
|
|
arg2.pointerBuffer().copy(args.toBuffer(), require('_GenericMarshal').PointerSize);
|
|
|
|
libc._wexecve(cmd, args, 0);
|
|
}
|
|
|
|
// Start a JavaScript based Agent Self-Update
|
|
function agentUpdate_Start(updateurl, updateoptions) {
|
|
// If this value is null
|
|
var sessionid = (updateoptions != null) ? updateoptions.sessionid : null; // If this is null, messages will be broadcast. Otherwise they will be unicasted
|
|
|
|
// If the url starts with *, switch it to use the same protoco, host and port as the control channel.
|
|
if (updateurl != null) {
|
|
updateurl = getServerTargetUrlEx(updateurl);
|
|
if (updateurl.startsWith("wss://")) { updateurl = "https://" + updateurl.substring(6); }
|
|
}
|
|
|
|
if (agentUpdate_Start._selfupdate != null)
|
|
{
|
|
// We were already called, so we will ignore this duplicate request
|
|
if (sessionid != null) { sendConsoleText('Self update already in progress...', sessionid); }
|
|
}
|
|
else {
|
|
if (agentUpdate_Start._retryCount == null) { agentUpdate_Start._retryCount = 0; }
|
|
if (require('MeshAgent').ARCHID == null && updateurl == null) {
|
|
// This agent doesn't have the ability to tell us which ARCHID it is, so we don't know which agent to pull
|
|
sendConsoleText('Unable to initiate update, agent ARCHID is not defined', sessionid);
|
|
}
|
|
else
|
|
{
|
|
var agentfilename = process.execPath.split(process.platform == 'win32' ? '\\' : '/').pop(); // Local File Name, ie: MeshAgent.exe
|
|
var name = require('MeshAgent').serviceName;
|
|
if (name == null) { name = process.platform == 'win32' ? 'Mesh Agent' : 'meshagent'; }
|
|
if (process.platform == 'win32')
|
|
{
|
|
// Special Processing for Temporary/Console Mode Agents on Windows
|
|
var parms = windows_getCommandLine();
|
|
if (parms.findIndex(function (val) { return (val.toUpperCase() == 'RUN' || val.toUpperCase() == 'CONNECT');})>=0)
|
|
{
|
|
// This is a Temporary/Console Mode Agent
|
|
sendConsoleText('This is a temporary/console agent, checking for conflicts with background services...');
|
|
|
|
// Check to see if our binary conflicts with an installed agent
|
|
var agents = _getPotentialServiceNames();
|
|
if(_getPotentialServiceNames().length>0)
|
|
{
|
|
sendConsoleText('Self update cannot continue because the installed agent (' + agents[0] + ') conflicts with the currently running Temp/Console agent...', sessionid);
|
|
return;
|
|
}
|
|
|
|
|
|
sendConsoleText('No conflicts detected...');
|
|
name = null;
|
|
}
|
|
else
|
|
{
|
|
// Not running in Temp/Console Mode... No Op here....
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Non Windows Self Update
|
|
try
|
|
{
|
|
var s = require('service-manager').manager.getService(name);
|
|
if (!s.isMe())
|
|
{
|
|
if (process.platform == 'win32') { s.close(); }
|
|
sendConsoleText('Self Update cannot continue, this agent is not an instance of background service (' + name + ')', sessionid);
|
|
return;
|
|
}
|
|
if (process.platform == 'win32') { s.close(); }
|
|
}
|
|
catch (zz)
|
|
{
|
|
sendConsoleText('Self Update Failed because this agent is not an instance of (' + name + ')', sessionid);
|
|
sendAgentMessage('Self Update Failed because this agent is not an instance of (' + name + ')', 3);
|
|
return;
|
|
}
|
|
}
|
|
if ((sessionid != null) && (updateurl != null)) { sendConsoleText('Downloading update from: ' + updateurl, sessionid); }
|
|
var options = require('http').parseUri(updateurl != null ? updateurl : require('MeshAgent').ServerUrl);
|
|
options.protocol = 'https:';
|
|
if (updateurl == null) { options.path = ('/meshagents?id=' + require('MeshAgent').ARCHID); sendConsoleText('Downloading update from: ' + options.path, sessionid); }
|
|
options.rejectUnauthorized = false;
|
|
options.checkServerIdentity = function checkServerIdentity(certs) {
|
|
// If the tunnel certificate matches the control channel certificate, accept the connection
|
|
try { if (require('MeshAgent').ServerInfo.ControlChannelCertificate.digest == certs[0].digest) return; } catch (ex) { }
|
|
try { if (require('MeshAgent').ServerInfo.ControlChannelCertificate.fingerprint == certs[0].fingerprint) return; } catch (ex) { }
|
|
|
|
// Check that the certificate is the one expected by the server, fail if not.
|
|
if (checkServerIdentity.servertlshash == null) {
|
|
if (require('MeshAgent').ServerInfo == null || require('MeshAgent').ServerInfo.ControlChannelCertificate == null) { return; }
|
|
sendConsoleText('Self Update failed, because the url cannot be verified: ' + updateurl, sessionid);
|
|
sendAgentMessage('Self Update failed, because the url cannot be verified: ' + updateurl, 3);
|
|
throw new Error('BadCert');
|
|
}
|
|
if (certs[0].digest == null) { return; }
|
|
if ((checkServerIdentity.servertlshash != null) && (checkServerIdentity.servertlshash.toLowerCase() != certs[0].digest.split(':').join('').toLowerCase())) {
|
|
sendConsoleText('Self Update failed, because the supplied certificate does not match', sessionid);
|
|
sendAgentMessage('Self Update failed, because the supplied certificate does not match', 3);
|
|
throw new Error('BadCert')
|
|
}
|
|
}
|
|
options.checkServerIdentity.servertlshash = (updateoptions != null ? updateoptions.tlshash : null);
|
|
agentUpdate_Start._selfupdate = require('https').get(options);
|
|
agentUpdate_Start._selfupdate.on('error', function (e) {
|
|
sendConsoleText('Self Update failed, because there was a problem trying to download the update from ' + updateurl, sessionid);
|
|
sendAgentMessage('Self Update failed, because there was a problem trying to download the update from ' + updateurl, 3);
|
|
agentUpdate_Start._selfupdate = null;
|
|
});
|
|
agentUpdate_Start._selfupdate.on('response', function (img)
|
|
{
|
|
var self = this;
|
|
this._file = require('fs').createWriteStream(agentfilename + (process.platform=='win32'?'.update.exe':'.update'), { flags: 'wb' });
|
|
this._filehash = require('SHA384Stream').create();
|
|
this._filehash.on('hash', function (h)
|
|
{
|
|
if (updateoptions != null && updateoptions.hash != null)
|
|
{
|
|
if (updateoptions.hash.toLowerCase() == h.toString('hex').toLowerCase())
|
|
{
|
|
if (sessionid != null) { sendConsoleText('Download complete. HASH verified.', sessionid); }
|
|
}
|
|
else
|
|
{
|
|
agentUpdate_Start._retryCount++;
|
|
sendConsoleText('Self Update FAILED because the downloaded agent FAILED hash check (' + agentUpdate_Start._retryCount + '), URL: ' + updateurl, sessionid);
|
|
sendAgentMessage('Self Update FAILED because the downloaded agent FAILED hash check (' + agentUpdate_Start._retryCount + '), URL: ' + updateurl, 3);
|
|
agentUpdate_Start._selfupdate = null;
|
|
|
|
if (agentUpdate_Start._retryCount < 4)
|
|
{
|
|
// Retry the download again
|
|
sendConsoleText('Self Update will try again in 60 seconds...', sessionid);
|
|
agentUpdate_Start._timeout = setTimeout(agentUpdate_Start, 60000, updateurl, updateoptions);
|
|
}
|
|
else
|
|
{
|
|
sendConsoleText('Self Update giving up, too many failures...', sessionid);
|
|
sendAgentMessage('Self Update giving up, too many failures...', 3);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
sendConsoleText('Download complete. HASH=' + h.toString('hex'), sessionid);
|
|
}
|
|
|
|
// Send an indication to the server that we got the update download correctly.
|
|
try { require('MeshAgent').SendCommand({ action: 'agentupdatedownloaded' }); } catch (e) { }
|
|
|
|
if (sessionid != null) { sendConsoleText('Updating and restarting agent...', sessionid); }
|
|
if (process.platform == 'win32')
|
|
{
|
|
// Use _wexecve() equivalent to perform the update
|
|
windows_execve(name, agentfilename, sessionid);
|
|
}
|
|
else
|
|
{
|
|
var m = require('fs').statSync(process.execPath).mode;
|
|
require('fs').chmodSync(process.cwd() + agentfilename + '.update', m);
|
|
|
|
// remove binary
|
|
require('fs').unlinkSync(process.execPath);
|
|
|
|
// copy update
|
|
require('fs').copyFileSync(process.cwd() + agentfilename + '.update', process.execPath);
|
|
require('fs').chmodSync(process.execPath, m);
|
|
|
|
// erase update
|
|
require('fs').unlinkSync(process.cwd() + agentfilename + '.update');
|
|
|
|
switch (process.platform)
|
|
{
|
|
case 'freebsd':
|
|
bsd_execv(name, agentfilename, sessionid);
|
|
break;
|
|
case 'linux':
|
|
linux_execv(name, agentfilename, sessionid);
|
|
break;
|
|
default:
|
|
try
|
|
{
|
|
// restart service
|
|
var s = require('service-manager').manager.getService(name);
|
|
s.restart();
|
|
}
|
|
catch (zz)
|
|
{
|
|
sendConsoleText('Self Update encountered an error trying to restart service', sessionid);
|
|
sendAgentMessage('Self Update encountered an error trying to restart service', 3);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
|
|
if (!needStreamFix)
|
|
{
|
|
img.pipe(this._file);
|
|
img.pipe(this._filehash);
|
|
}
|
|
else
|
|
{
|
|
img.once('data', function (buffer)
|
|
{
|
|
if(this.immediate)
|
|
{
|
|
clearImmediate(this.immediate);
|
|
this.immediate = null;
|
|
|
|
// No need to apply fix
|
|
self._file.write(buffer);
|
|
self._filehash.write(buffer);
|
|
|
|
this.pipe(self._file);
|
|
this.pipe(self._filehash);
|
|
}
|
|
else
|
|
{
|
|
// Need to apply fix
|
|
this.pipe(self._file);
|
|
this.pipe(self._filehash);
|
|
}
|
|
});
|
|
this.immediate = setImmediate(function (self)
|
|
{
|
|
self.immediate = null;
|
|
},this);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
// Return p number of spaces
|
|
function addPad(p, ret) { var r = ''; for (var i = 0; i < p; i++) { r += ret; } return r; }
|
|
|
|
setInterval(function () { sendConsoleText('Timer!'); }, 2000);
|
|
|
|
var path =
|
|
{
|
|
join: function () {
|
|
var x = [];
|
|
for (var i in arguments) {
|
|
var w = arguments[i];
|
|
if (w != null) {
|
|
while (w.endsWith('/') || w.endsWith('\\')) { w = w.substring(0, w.length - 1); }
|
|
if (i != 0) { while (w.startsWith('/') || w.startsWith('\\')) { w = w.substring(1); } }
|
|
x.push(w);
|
|
}
|
|
}
|
|
if (x.length == 0) return '/';
|
|
return x.join('/');
|
|
}
|
|
};
|
|
// Convert an object to string with all functions
|
|
function objToString(x, p, pad, ret) {
|
|
if (ret == undefined) ret = '';
|
|
if (p == undefined) p = 0;
|
|
if (x == null) { return '[null]'; }
|
|
if (p > 8) { return '[...]'; }
|
|
if (x == undefined) { return '[undefined]'; }
|
|
if (typeof x == 'string') { if (p == 0) return x; return '"' + x + '"'; }
|
|
if (typeof x == 'buffer') { return '[buffer]'; }
|
|
if (typeof x != 'object') { return x; }
|
|
var r = '{' + (ret ? '\r\n' : ' ');
|
|
for (var i in x) { if (i != '_ObjectID') { r += (addPad(p + 2, pad) + i + ': ' + objToString(x[i], p + 2, pad, ret) + (ret ? '\r\n' : ' ')); } }
|
|
return r + addPad(p, pad) + '}';
|
|
}
|
|
|
|
// Split a string taking into account the quoats. Used for command line parsing
|
|
function splitArgs(str) {
|
|
var myArray = [], myRegexp = /[^\s"]+|"([^"]*)"/gi;
|
|
do { var match = myRegexp.exec(str); if (match != null) { myArray.push(match[1] ? match[1] : match[0]); } } while (match != null);
|
|
return myArray;
|
|
}
|
|
|
|
// Parse arguments string array into an object
|
|
function parseArgs(argv) {
|
|
var results = { '_': [] }, current = null;
|
|
for (var i = 1, len = argv.length; i < len; i++) {
|
|
var x = argv[i];
|
|
if (x.length > 2 && x[0] == '-' && x[1] == '-') {
|
|
if (current != null) { results[current] = true; }
|
|
current = x.substring(2);
|
|
} else {
|
|
if (current != null) { results[current] = toNumberIfNumber(x); current = null; } else { results['_'].push(toNumberIfNumber(x)); }
|
|
}
|
|
}
|
|
if (current != null) { results[current] = true; }
|
|
return results;
|
|
}
|
|
|
|
// Get server target url with a custom path
|
|
function getServerTargetUrl(path) {
|
|
var x = require('MeshAgent').ServerUrl;
|
|
//sendConsoleText("mesh.ServerUrl: " + mesh.ServerUrl);
|
|
if (x == null) { return null; }
|
|
if (path == null) { path = ''; }
|
|
x = http.parseUri(x);
|
|
if (x == null) return null;
|
|
return x.protocol + '//' + x.host + ':' + x.port + '/' + path;
|
|
}
|
|
|
|
// Get server url. If the url starts with "*/..." change it, it not use the url as is.
|
|
function getServerTargetUrlEx(url) {
|
|
if (url.substring(0, 2) == '*/') { return getServerTargetUrl(url.substring(2)); }
|
|
return url;
|
|
}
|
|
|
|
require('MeshAgent').on('Connected', function () {
|
|
require('os').name().then(function (v) {
|
|
//sendConsoleText("Mesh Agent Recovery Console, OS: " + v);
|
|
require('MeshAgent').SendCommand(meshCoreObj);
|
|
});
|
|
});
|
|
|
|
// Called when receiving control data on websocket
|
|
function onTunnelControlData(data, ws) {
|
|
var obj;
|
|
if (ws == null) { ws = this; }
|
|
if (typeof data == 'string') { try { obj = JSON.parse(data); } catch (e) { sendConsoleText('Invalid control JSON: ' + data); return; } }
|
|
else if (typeof data == 'object') { obj = data; } else { return; }
|
|
//sendConsoleText('onTunnelControlData(' + ws.httprequest.protocol + '): ' + JSON.stringify(data));
|
|
//console.log('onTunnelControlData: ' + JSON.stringify(data));
|
|
|
|
if (obj.action) {
|
|
switch (obj.action) {
|
|
case 'lock': {
|
|
// Lock the current user out of the desktop
|
|
try {
|
|
if (process.platform == 'win32') {
|
|
MeshServerLog("Locking remote user out of desktop", ws.httprequest);
|
|
var child = require('child_process');
|
|
child.execFile(process.env['windir'] + '\\system32\\cmd.exe', ['/c', 'RunDll32.exe user32.dll,LockWorkStation'], { type: 1 });
|
|
}
|
|
} catch (e) { }
|
|
break;
|
|
}
|
|
default:
|
|
// Unknown action, ignore it.
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
switch (obj.type) {
|
|
case 'options': {
|
|
// These are additional connection options passed in the control channel.
|
|
//sendConsoleText('options: ' + JSON.stringify(obj));
|
|
delete obj.type;
|
|
ws.httprequest.xoptions = obj;
|
|
|
|
// Set additional user consent options if present
|
|
if ((obj != null) && (typeof obj.consent == 'number')) { ws.httprequest.consent |= obj.consent; }
|
|
|
|
break;
|
|
}
|
|
case 'close': {
|
|
// We received the close on the websocket
|
|
//sendConsoleText('Tunnel #' + ws.tunnel.index + ' WebSocket control close');
|
|
try { ws.close(); } catch (e) { }
|
|
break;
|
|
}
|
|
case 'termsize': {
|
|
// Indicates a change in terminal size
|
|
if (process.platform == 'win32') {
|
|
if (ws.httprequest._dispatcher == null) return;
|
|
if (ws.httprequest._dispatcher.invoke) { ws.httprequest._dispatcher.invoke('resizeTerminal', [obj.cols, obj.rows]); }
|
|
}
|
|
else {
|
|
if (ws.httprequest.process == null || ws.httprequest.process.pty == 0) return;
|
|
if (ws.httprequest.process.tcsetsize) { ws.httprequest.process.tcsetsize(obj.rows, obj.cols); }
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
require('MeshAgent').AddCommandHandler(function (data) {
|
|
if (typeof data == 'object') {
|
|
// If this is a console command, parse it and call the console handler
|
|
switch (data.action) {
|
|
case 'agentupdate':
|
|
agentUpdate_Start(data.url, { hash: data.hash, tlshash: data.servertlshash, sessionid: data.sessionid });
|
|
break;
|
|
case 'msg':
|
|
{
|
|
switch (data.type) {
|
|
case 'console': { // Process a console command
|
|
if ((typeof data.rights != 'number') || ((data.rights & 8) == 0) || ((data.rights & 16) == 0)) break; // Check console rights (Remote Control and Console)
|
|
if (data.value && data.sessionid) {
|
|
var args = splitArgs(data.value);
|
|
processConsoleCommand(args[0].toLowerCase(), parseArgs(args), data.rights, data.sessionid);
|
|
}
|
|
break;
|
|
}
|
|
case 'tunnel':
|
|
{
|
|
if (data.value != null) { // Process a new tunnel connection request
|
|
// Create a new tunnel object
|
|
if (data.rights != 4294967295) {
|
|
MeshServerLog('Tunnel Error: RecoveryCore requires admin rights for tunnels');
|
|
break;
|
|
}
|
|
|
|
var xurl = getServerTargetUrlEx(data.value);
|
|
if (xurl != null)
|
|
{
|
|
xurl = xurl.split('$').join('%24').split('@').join('%40'); // Escape the $ and @ characters
|
|
var woptions = http.parseUri(xurl);
|
|
woptions.rejectUnauthorized = 0;
|
|
woptions.perMessageDeflate = false;
|
|
woptions.checkServerIdentity = function checkServerIdentity(certs) {
|
|
// If the tunnel certificate matches the control channel certificate, accept the connection
|
|
try { if (require('MeshAgent').ServerInfo.ControlChannelCertificate.digest == certs[0].digest) return; } catch (ex) { }
|
|
try { if (require('MeshAgent').ServerInfo.ControlChannelCertificate.fingerprint == certs[0].fingerprint) return; } catch (ex) { }
|
|
|
|
// Check that the certificate is the one expected by the server, fail if not.
|
|
if ((checkServerIdentity.servertlshash != null) && (checkServerIdentity.servertlshash.toLowerCase() != certs[0].digest.split(':').join('').toLowerCase())) { throw new Error('BadCert') }
|
|
}
|
|
woptions.checkServerIdentity.servertlshash = data.servertlshash;
|
|
|
|
|
|
//sendConsoleText(JSON.stringify(woptions));
|
|
var tunnel = http.request(woptions);
|
|
tunnel.on('upgrade', function (response, s, head) {
|
|
if (require('MeshAgent').idleTimeout != null) {
|
|
s.setTimeout(require('MeshAgent').idleTimeout * 1000);
|
|
s.on('timeout', function () {
|
|
this.ping();
|
|
this.setTimeout(require('MeshAgent').idleTimeout * 1000);
|
|
});
|
|
}
|
|
|
|
this.s = s;
|
|
s.httprequest = this;
|
|
s.tunnel = this;
|
|
s.on('end', function () {
|
|
if (tunnels[this.httprequest.index] == null) return; // Stop duplicate calls.
|
|
|
|
// If there is a upload or download active on this connection, close the file
|
|
if (this.httprequest.uploadFile) { fs.closeSync(this.httprequest.uploadFile); delete this.httprequest.uploadFile; delete this.httprequest.uploadFileid; delete this.httprequest.uploadFilePath; }
|
|
if (this.httprequest.downloadFile) { delete this.httprequest.downloadFile; }
|
|
|
|
//sendConsoleText("Tunnel #" + this.httprequest.index + " closed.", this.httprequest.sessionid);
|
|
delete tunnels[this.httprequest.index];
|
|
|
|
// Clean up WebSocket
|
|
this.removeAllListeners('data');
|
|
});
|
|
s.on('data', function (data) {
|
|
// If this is upload data, save it to file
|
|
if ((this.httprequest.uploadFile) && (typeof data == 'object') && (data[0] != 123)) {
|
|
// Save the data to file being uploaded.
|
|
if (data[0] == 0) {
|
|
// If data starts with zero, skip the first byte. This is used to escape binary file data from JSON.
|
|
try { fs.writeSync(this.httprequest.uploadFile, data, 1, data.length - 1); } catch (e) { sendConsoleText('FileUpload Error'); this.write(Buffer.from(JSON.stringify({ action: 'uploaderror' }))); return; } // Write to the file, if there is a problem, error out.
|
|
} else {
|
|
// If data does not start with zero, save as-is.
|
|
try { fs.writeSync(this.httprequest.uploadFile, data); } catch (e) { sendConsoleText('FileUpload Error'); this.write(Buffer.from(JSON.stringify({ action: 'uploaderror' }))); return; } // Write to the file, if there is a problem, error out.
|
|
}
|
|
this.write(Buffer.from(JSON.stringify({ action: 'uploadack', reqid: this.httprequest.uploadFileid }))); // Ask for more data.
|
|
return;
|
|
}
|
|
|
|
if (this.httprequest.state == 0) {
|
|
// Check if this is a relay connection
|
|
if ((data == 'c') || (data == 'cr')) { this.httprequest.state = 1; /*sendConsoleText("Tunnel #" + this.httprequest.index + " now active", this.httprequest.sessionid);*/ }
|
|
}
|
|
else {
|
|
// Handle tunnel data
|
|
if (this.httprequest.protocol == 0) { // 1 = Terminal (admin), 2 = Desktop, 5 = Files, 6 = PowerShell (admin), 7 = Plugin Data Exchange, 8 = Terminal (user), 9 = PowerShell (user), 10 = FileTransfer
|
|
// Take a look at the protocol
|
|
if ((data.length > 3) && (data[0] == '{')) { onTunnelControlData(data, this); return; }
|
|
this.httprequest.protocol = parseInt(data);
|
|
if (typeof this.httprequest.protocol != 'number') { this.httprequest.protocol = 0; }
|
|
if (this.httprequest.protocol == 10) {
|
|
//
|
|
// Basic file transfer
|
|
//
|
|
var stats = null;
|
|
if ((process.platform != 'win32') && (this.httprequest.xoptions.file.startsWith('/') == false)) { this.httprequest.xoptions.file = '/' + this.httprequest.xoptions.file; }
|
|
try { stats = require('fs').statSync(this.httprequest.xoptions.file) } catch (e) { }
|
|
try { if (stats) { this.httprequest.downloadFile = fs.createReadStream(this.httprequest.xoptions.file, { flags: 'rbN' }); } } catch (e) { }
|
|
if (this.httprequest.downloadFile) {
|
|
//sendConsoleText('BasicFileTransfer, ok, ' + this.httprequest.xoptions.file + ', ' + JSON.stringify(stats));
|
|
this.write(JSON.stringify({ op: 'ok', size: stats.size }));
|
|
this.httprequest.downloadFile.pipe(this);
|
|
this.httprequest.downloadFile.end = function () { }
|
|
} else {
|
|
//sendConsoleText('BasicFileTransfer, cancel, ' + this.httprequest.xoptions.file);
|
|
this.write(JSON.stringify({ op: 'cancel' }));
|
|
}
|
|
}
|
|
else if ((this.httprequest.protocol == 1) || (this.httprequest.protocol == 6) || (this.httprequest.protocol == 8) || (this.httprequest.protocol == 9)) {
|
|
//
|
|
// Remote Terminal
|
|
//
|
|
if (process.platform == "win32") {
|
|
var cols = 80, rows = 25;
|
|
if (this.httprequest.xoptions) {
|
|
if (this.httprequest.xoptions.rows) { rows = this.httprequest.xoptions.rows; }
|
|
if (this.httprequest.xoptions.cols) { cols = this.httprequest.xoptions.cols; }
|
|
}
|
|
|
|
// Admin Terminal
|
|
if (require('win-virtual-terminal').supported) {
|
|
// ConPTY PseudoTerminal
|
|
// this.httprequest._term = require('win-virtual-terminal')[this.httprequest.protocol == 6 ? 'StartPowerShell' : 'Start'](80, 25);
|
|
|
|
// The above line is commented out, because there is a bug with ClosePseudoConsole() API, so this is the workaround
|
|
this.httprequest._dispatcher = require('win-dispatcher').dispatch({ modules: [{ name: 'win-virtual-terminal', script: getJSModule('win-virtual-terminal') }], launch: { module: 'win-virtual-terminal', method: 'Start', args: [cols, rows] } });
|
|
this.httprequest._dispatcher.ws = this;
|
|
this.httprequest._dispatcher.on('connection', function (c) {
|
|
this.ws._term = c;
|
|
c.pipe(this.ws, { dataTypeSkip: 1 });
|
|
this.ws.pipe(c, { dataTypeSkip: 1 });
|
|
});
|
|
}
|
|
else {
|
|
// Legacy Terminal
|
|
this.httprequest._term = require('win-terminal').Start(80, 25);
|
|
this.httprequest._term.pipe(this, { dataTypeSkip: 1 });
|
|
this.pipe(this.httprequest._term, { dataTypeSkip: 1, end: false });
|
|
this.prependListener('end', function () { this.httprequest._term.end(function () { sendConsoleText('Terminal was closed'); }); });
|
|
}
|
|
}
|
|
else {
|
|
var env = { HISTCONTROL: 'ignoreboth' };
|
|
if (process.env['LANG']) { env['LANG'] = process.env['LANG']; }
|
|
if (process.env['PATH']) { env['PATH'] = process.env['PATH']; }
|
|
if (this.httprequest.xoptions)
|
|
{
|
|
if (this.httprequest.xoptions.rows) { env.LINES = ('' + this.httprequest.xoptions.rows); }
|
|
if (this.httprequest.xoptions.cols) { env.COLUMNS = ('' + this.httprequest.xoptions.cols); }
|
|
}
|
|
var options = { type: childProcess.SpawnTypes.TERM, env: env };
|
|
|
|
if (require('fs').existsSync('/bin/bash')) {
|
|
this.httprequest.process = childProcess.execFile('/bin/bash', ['bash'], options); // Start bash
|
|
}
|
|
else {
|
|
this.httprequest.process = childProcess.execFile('/bin/sh', ['sh'], options); // Start sh
|
|
}
|
|
|
|
// Spaces at the beginning of lines are needed to hide commands from the command history
|
|
if (process.platform == 'linux') { this.httprequest.process.stdin.write(' alias ls=\'ls --color=auto\';clear\n'); }
|
|
this.httprequest.process.tunnel = this;
|
|
this.httprequest.process.on('exit', function (ecode, sig) { this.tunnel.end(); });
|
|
this.httprequest.process.stderr.on('data', function (chunk) { this.parent.tunnel.write(chunk); });
|
|
this.httprequest.process.stdout.pipe(this, { dataTypeSkip: 1 }); // 0 = Binary, 1 = Text.
|
|
this.pipe(this.httprequest.process.stdin, { dataTypeSkip: 1, end: false }); // 0 = Binary, 1 = Text.
|
|
this.prependListener('end', function () { this.httprequest.process.kill(); });
|
|
}
|
|
}
|
|
}
|
|
else if (this.httprequest.protocol == 5) {
|
|
// Process files commands
|
|
var cmd = null;
|
|
try { cmd = JSON.parse(data); } catch (e) { };
|
|
if (cmd == null) { return; }
|
|
if ((cmd.ctrlChannel == '102938') || ((cmd.type == 'offer') && (cmd.sdp != null))) { return; } // If this is control data, handle it now.
|
|
if (cmd.action == undefined) { return; }
|
|
console.log('action: ', cmd.action);
|
|
|
|
//sendConsoleText('CMD: ' + JSON.stringify(cmd));
|
|
|
|
if ((cmd.path != null) && (process.platform != 'win32') && (cmd.path[0] != '/')) { cmd.path = '/' + cmd.path; } // Add '/' to paths on non-windows
|
|
//console.log(objToString(cmd, 0, ' '));
|
|
switch (cmd.action) {
|
|
case 'ls':
|
|
// Send the folder content to the browser
|
|
var response = getDirectoryInfo(cmd.path);
|
|
if (cmd.reqid != undefined) { response.reqid = cmd.reqid; }
|
|
this.write(Buffer.from(JSON.stringify(response)));
|
|
break;
|
|
case 'mkdir':
|
|
{
|
|
// Create a new empty folder
|
|
fs.mkdirSync(cmd.path);
|
|
break;
|
|
}
|
|
case 'rm':
|
|
{
|
|
// Delete, possibly recursive delete
|
|
for (var i in cmd.delfiles) {
|
|
try { deleteFolderRecursive(path.join(cmd.path, cmd.delfiles[i]), cmd.rec); } catch (e) { }
|
|
}
|
|
break;
|
|
}
|
|
case 'rename':
|
|
{
|
|
// Rename a file or folder
|
|
var oldfullpath = path.join(cmd.path, cmd.oldname);
|
|
var newfullpath = path.join(cmd.path, cmd.newname);
|
|
try { fs.renameSync(oldfullpath, newfullpath); } catch (e) { console.log(e); }
|
|
break;
|
|
}
|
|
case 'findfile':
|
|
{
|
|
// Search for files
|
|
var r = require('file-search').find('"' + cmd.path + '"', cmd.filter);
|
|
if (!r.cancel) { r.cancel = function cancel() { this.child.kill(); }; }
|
|
this._search = r;
|
|
r.socket = this;
|
|
r.socket.reqid = cmd.reqid; // Search request id. This is used to send responses and cancel the request.
|
|
r.socket.path = cmd.path; // Search path
|
|
r.on('result', function (str) { try { this.socket.write(Buffer.from(JSON.stringify({ action: 'findfile', r: str.substring(this.socket.path.length), reqid: this.socket.reqid }))); } catch (ex) { } });
|
|
r.then(function () { try { this.socket.write(Buffer.from(JSON.stringify({ action: 'findfile', r: null, reqid: this.socket.reqid }))); } catch (ex) { } });
|
|
break;
|
|
}
|
|
case 'cancelfindfile':
|
|
{
|
|
if (this._search) { this._search.cancel(); this._search = null; }
|
|
break;
|
|
}
|
|
case 'download':
|
|
{
|
|
// Download a file
|
|
var sendNextBlock = 0;
|
|
if (cmd.sub == 'start') { // Setup the download
|
|
if ((cmd.path == null) && (cmd.ask == 'coredump')) { // If we are asking for the coredump file, set the right path.
|
|
if (process.platform == 'win32') {
|
|
if (fs.existsSync(process.coreDumpLocation)) { cmd.path = process.coreDumpLocation; }
|
|
} else {
|
|
if ((process.cwd() != '//') && fs.existsSync(process.cwd() + 'core')) { cmd.path = process.cwd() + 'core'; }
|
|
}
|
|
}
|
|
MeshServerLogEx((cmd.ask == 'coredump') ? 104 : 49, [cmd.path], 'Download: \"' + cmd.path + '\"', this.httprequest);
|
|
if ((cmd.path == null) || (this.filedownload != null)) { this.write({ action: 'download', sub: 'cancel', id: this.filedownload.id }); delete this.filedownload; }
|
|
this.filedownload = { id: cmd.id, path: cmd.path, ptr: 0 }
|
|
try { this.filedownload.f = fs.openSync(this.filedownload.path, 'rbN'); } catch (e) { this.write({ action: 'download', sub: 'cancel', id: this.filedownload.id }); delete this.filedownload; }
|
|
if (this.filedownload) { this.write({ action: 'download', sub: 'start', id: cmd.id }); }
|
|
} else if ((this.filedownload != null) && (cmd.id == this.filedownload.id)) { // Download commands
|
|
if (cmd.sub == 'startack') { sendNextBlock = ((typeof cmd.ack == 'number') ? cmd.ack : 8); } else if (cmd.sub == 'stop') { delete this.filedownload; } else if (cmd.sub == 'ack') { sendNextBlock = 1; }
|
|
}
|
|
// Send the next download block(s)
|
|
while (sendNextBlock > 0) {
|
|
sendNextBlock--;
|
|
var buf = Buffer.alloc(16384);
|
|
var len = fs.readSync(this.filedownload.f, buf, 4, 16380, null);
|
|
this.filedownload.ptr += len;
|
|
if (len < 16380) { buf.writeInt32BE(0x01000001, 0); fs.closeSync(this.filedownload.f); delete this.filedownload; sendNextBlock = 0; } else { buf.writeInt32BE(0x01000000, 0); }
|
|
this.write(buf.slice(0, len + 4)); // Write as binary
|
|
}
|
|
break;
|
|
}
|
|
case 'upload':
|
|
{
|
|
// Upload a file, browser to agent
|
|
if (this.httprequest.uploadFile != null) { fs.closeSync(this.httprequest.uploadFile); delete this.httprequest.uploadFile; }
|
|
if (cmd.path == undefined) break;
|
|
var filepath = cmd.name ? pathjoin(cmd.path, cmd.name) : cmd.path;
|
|
this.httprequest.uploadFilePath = filepath;
|
|
MeshServerLogEx(50, [filepath], 'Upload: \"' + filepath + '\"', this.httprequest);
|
|
try { this.httprequest.uploadFile = fs.openSync(filepath, 'wbN'); } catch (e) { this.write(Buffer.from(JSON.stringify({ action: 'uploaderror', reqid: cmd.reqid }))); break; }
|
|
this.httprequest.uploadFileid = cmd.reqid;
|
|
if (this.httprequest.uploadFile) { this.write(Buffer.from(JSON.stringify({ action: 'uploadstart', reqid: this.httprequest.uploadFileid }))); }
|
|
break;
|
|
}
|
|
case 'uploaddone':
|
|
{
|
|
// Indicates that an upload is done
|
|
if (this.httprequest.uploadFile) {
|
|
fs.closeSync(this.httprequest.uploadFile);
|
|
this.write(Buffer.from(JSON.stringify({ action: 'uploaddone', reqid: this.httprequest.uploadFileid }))); // Indicate that we closed the file.
|
|
delete this.httprequest.uploadFile;
|
|
delete this.httprequest.uploadFileid;
|
|
delete this.httprequest.uploadFilePath;
|
|
}
|
|
break;
|
|
}
|
|
case 'uploadcancel':
|
|
{
|
|
// Indicates that an upload is canceled
|
|
if (this.httprequest.uploadFile) {
|
|
fs.closeSync(this.httprequest.uploadFile);
|
|
fs.unlinkSync(this.httprequest.uploadFilePath);
|
|
this.write(Buffer.from(JSON.stringify({ action: 'uploadcancel', reqid: this.httprequest.uploadFileid }))); // Indicate that we closed the file.
|
|
delete this.httprequest.uploadFile;
|
|
delete this.httprequest.uploadFileid;
|
|
delete this.httprequest.uploadFilePath;
|
|
}
|
|
break;
|
|
}
|
|
case 'copy': {
|
|
// Copy a bunch of files from scpath to dspath
|
|
for (var i in cmd.names) {
|
|
var sc = path.join(cmd.scpath, cmd.names[i]), ds = path.join(cmd.dspath, cmd.names[i]);
|
|
if (sc != ds) { try { fs.copyFileSync(sc, ds); } catch (e) { } }
|
|
}
|
|
break;
|
|
}
|
|
case 'move': {
|
|
// Move a bunch of files from scpath to dspath
|
|
for (var i in cmd.names) {
|
|
var sc = path.join(cmd.scpath, cmd.names[i]), ds = path.join(cmd.dspath, cmd.names[i]);
|
|
if (sc != ds) { try { fs.copyFileSync(sc, ds); fs.unlinkSync(sc); } catch (e) { } }
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
});
|
|
tunnel.onerror = function (e) { sendConsoleText("ERROR: " + JSON.stringify(e)); }
|
|
tunnel.sessionid = data.sessionid;
|
|
tunnel.rights = data.rights;
|
|
tunnel.state = 0;
|
|
tunnel.url = xurl;
|
|
tunnel.protocol = 0;
|
|
tunnel.tcpaddr = data.tcpaddr;
|
|
tunnel.tcpport = data.tcpport;
|
|
tunnel.end();
|
|
// Put the tunnel in the tunnels list
|
|
var index = nextTunnelIndex++;
|
|
tunnel.index = index;
|
|
tunnels[index] = tunnel;
|
|
|
|
//sendConsoleText('New tunnel connection #' + index + ': ' + tunnel.url + ', rights: ' + tunnel.rights, data.sessionid);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
// Unknown action, ignore it.
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
// Unknown action, ignore it.
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
|
|
function processConsoleCommand(cmd, args, rights, sessionid) {
|
|
try {
|
|
var response = null;
|
|
switch (cmd)
|
|
{
|
|
default:
|
|
{ // This is an unknown command, return an error message
|
|
response = 'Unknown command \"' + cmd + '\", type \"help\" for list of available commands.';
|
|
break;
|
|
}
|
|
case 'commandline':
|
|
{
|
|
if (process.platform == 'win32')
|
|
{
|
|
response = JSON.stringify(windows_getCommandLine(), null, 1);
|
|
}
|
|
else
|
|
{
|
|
response = 'Unknown command \"' + cmd + '\", type \"help\" for list of available commands.';
|
|
}
|
|
}
|
|
break;
|
|
case 'help':
|
|
response = "Available commands are: agentupdate, agentupdateex, dbkeys, dbget, dbset, dbcompact, eval, netinfo, osinfo, setdebug, versions.";
|
|
break;
|
|
case '_descriptors':
|
|
response = 'Open Descriptors: ' + JSON.stringify(getOpenDescriptors());
|
|
break;
|
|
case 'versions':
|
|
response = JSON.stringify(process.versions, null, ' ');
|
|
break;
|
|
case 'agentupdate':
|
|
// Request that the server send a agent update command
|
|
require('MeshAgent').SendCommand({ action: 'agentupdate', sessionid: sessionid });
|
|
break;
|
|
case 'agentupdateex':
|
|
// Perform an direct agent update without requesting any information from the server, this should not typically be used.
|
|
if (args['_'].length == 1) {
|
|
if (args['_'][0].startsWith('https://')) { agentUpdate_Start(args['_'][0], { sessionid: sessionid }); } else { response = "Usage: agentupdateex https://server/path"; }
|
|
} else {
|
|
agentUpdate_Start(null, { sessionid: sessionid });
|
|
}
|
|
break;
|
|
case 'eval':
|
|
{ // Eval JavaScript
|
|
if (args['_'].length < 1) {
|
|
response = 'Proper usage: eval "JavaScript code"'; // Display correct command usage
|
|
} else {
|
|
response = JSON.stringify(require('MeshAgent').eval(args['_'][0])); // This can only be run by trusted administrator.
|
|
}
|
|
break;
|
|
}
|
|
case 'setdebug':
|
|
{
|
|
if (args['_'].length < 1) { response = 'Proper usage: setdebug (target), 0 = Disabled, 1 = StdOut, 2 = This Console, * = All Consoles, 4 = WebLog, 8 = Logfile'; } // Display usage
|
|
else { if (args['_'][0] == '*') { console.setDestination(2); } else { console.setDestination(parseInt(args['_'][0]), sessionid); } }
|
|
break;
|
|
}
|
|
case 'osinfo': { // Return the operating system information
|
|
var i = 1;
|
|
if (args['_'].length > 0) { i = parseInt(args['_'][0]); if (i > 8) { i = 8; } response = 'Calling ' + i + ' times.'; }
|
|
for (var j = 0; j < i; j++) {
|
|
var pr = require('os').name();
|
|
pr.sessionid = sessionid;
|
|
pr.then(function (v) {
|
|
sendConsoleText("OS: " + v + (process.platform == 'win32' ? (require('win-virtual-terminal').supported ? ' [ConPTY: YES]' : ' [ConPTY: NO]') : ''), this.sessionid);
|
|
});
|
|
}
|
|
break;
|
|
}
|
|
case 'dbkeys': { // Return all data store keys
|
|
response = JSON.stringify(db.Keys);
|
|
break;
|
|
}
|
|
case 'dbget': { // Return the data store value for a given key
|
|
if (db == null) { response = "Database not accessible."; break; }
|
|
if (args['_'].length != 1) {
|
|
response = "Proper usage: dbget (key)"; // Display the value for a given database key
|
|
} else {
|
|
response = db.Get(args['_'][0]);
|
|
}
|
|
break;
|
|
}
|
|
case 'dbset': { // Set a data store key and value pair
|
|
if (db == null) { response = "Database not accessible."; break; }
|
|
if (args['_'].length != 2) {
|
|
response = "Proper usage: dbset (key) (value)"; // Set a database key
|
|
} else {
|
|
var r = db.Put(args['_'][0], args['_'][1]);
|
|
response = "Key set: " + r;
|
|
}
|
|
break;
|
|
}
|
|
case 'dbcompact': { // Compact the data store
|
|
if (db == null) { response = "Database not accessible."; break; }
|
|
var r = db.Compact();
|
|
response = "Database compacted: " + r;
|
|
break;
|
|
}
|
|
case 'tunnels': { // Show the list of current tunnels
|
|
response = '';
|
|
for (var i in tunnels) { response += "Tunnel #" + i + ", " + tunnels[i].url + '\r\n'; }
|
|
if (response == '') { response = "No websocket sessions."; }
|
|
break;
|
|
}
|
|
case 'netinfo': { // Show network interface information
|
|
//response = objToString(mesh.NetInfo, 0, ' ');
|
|
var interfaces = require('os').networkInterfaces();
|
|
response = objToString(interfaces, 0, ' ', true);
|
|
break;
|
|
}
|
|
case 'name':
|
|
{
|
|
response = 'Service Name = ' + require('MeshAgent').serviceName;
|
|
}
|
|
break;
|
|
}
|
|
} catch (e) { response = "Command returned an exception error: " + e; console.log(e); }
|
|
if (response != null) { sendConsoleText(response, sessionid); }
|
|
}
|
|
|
|
// Get a formated response for a given directory path
|
|
function getDirectoryInfo(reqpath) {
|
|
var response = { path: reqpath, dir: [] };
|
|
if (((reqpath == undefined) || (reqpath == '')) && (process.platform == 'win32')) {
|
|
// List all the drives in the root, or the root itself
|
|
var results = null;
|
|
try { results = fs.readDrivesSync(); } catch (e) { } // TODO: Anyway to get drive total size and free space? Could draw a progress bar.
|
|
if (results != null) {
|
|
for (var i = 0; i < results.length; ++i) {
|
|
var drive = { n: results[i].name, t: 1 };
|
|
if (results[i].type == 'REMOVABLE') { drive.dt = 'removable'; } // TODO: See if this is USB/CDROM or something else, we can draw icons.
|
|
response.dir.push(drive);
|
|
}
|
|
}
|
|
} else {
|
|
// List all the files and folders in this path
|
|
if (reqpath == '') { reqpath = '/'; }
|
|
var results = null, xpath = path.join(reqpath, '*');
|
|
//if (process.platform == "win32") { xpath = xpath.split('/').join('\\'); }
|
|
try { results = fs.readdirSync(xpath); } catch (e) { }
|
|
if (results != null) {
|
|
for (var i = 0; i < results.length; ++i) {
|
|
if ((results[i] != '.') && (results[i] != '..')) {
|
|
var stat = null, p = path.join(reqpath, results[i]);
|
|
//if (process.platform == "win32") { p = p.split('/').join('\\'); }
|
|
try { stat = fs.statSync(p); } catch (e) { } // TODO: Get file size/date
|
|
if ((stat != null) && (stat != undefined)) {
|
|
if (stat.isDirectory() == true) {
|
|
response.dir.push({ n: results[i], t: 2, d: stat.mtime });
|
|
} else {
|
|
response.dir.push({ n: results[i], t: 3, s: stat.size, d: stat.mtime });
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return response;
|
|
}
|
|
// Delete a directory with a files and directories within it
|
|
function deleteFolderRecursive(path, rec) {
|
|
if (fs.existsSync(path)) {
|
|
if (rec == true) {
|
|
fs.readdirSync(path.join(path, '*')).forEach(function (file, index) {
|
|
var curPath = path.join(path, file);
|
|
if (fs.statSync(curPath).isDirectory()) { // recurse
|
|
deleteFolderRecursive(curPath, true);
|
|
} else { // delete file
|
|
fs.unlinkSync(curPath);
|
|
}
|
|
});
|
|
}
|
|
fs.unlinkSync(path);
|
|
}
|
|
};
|