mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-26 23:25:53 -05:00
394 lines
17 KiB
JavaScript
394 lines
17 KiB
JavaScript
/*
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Copyright 2018 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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var SERVICE_WIN32 = 0x00000010 | 0x00000020;
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var SERVICE_STATE = { STOPPED: 0x00000001, SERVICE_START_PENDING: 0x00000002, SERVICE_STOP_PENDING: 0x00000003, RUNNING: 0x00000004 };
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var SERVICE_ACCEPT = { SERVICE_ACCEPT_STOP: 0x00000001, SERVICE_ACCEPT_SHUTDOWN: 0x00000004, SERVICE_ACCEPT_POWEREVENT: 0x00000040, SERVICE_ACCEPT_SESSIONCHANGE: 0x00000080 };
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var SERVICE_CONTROL = { SERVICE_CONTROL_SHUTDOWN: 0x00000005, SERVICE_CONTROL_STOP: 0x00000001, SERVICE_CONTROL_POWEREVENT: 0x0000000D, SERVICE_CONTROL_SESSIONCHANGE: 0x0000000E};
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var SESSION_CHANGE_TYPE =
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{
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WTS_CONSOLE_CONNECT: 0x1,
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WTS_CONSOLE_DISCONNECT: 0x2,
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WTS_REMOTE_CONNECT: 0x3,
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WTS_REMOTE_DISCONNECT: 0x4,
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WTS_SESSION_LOGON: 0x5,
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WTS_SESSION_LOGOFF: 0x6,
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WTS_SESSION_LOCK: 0x7,
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WTS_SESSION_UNLOCK: 0x8,
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WTS_SESSION_REMOTE_CONTROL: 0x9,
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WTS_SESSION_CREATE: 0xa,
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WTS_SESSION_TERMINATE: 0xb
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};
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var NO_ERROR = 0;
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var serviceManager = require('service-manager');
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function serviceHost(serviceName)
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{
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this._ObjectID = 'service-host';
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var emitterUtils = require('events').inherits(this);
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emitterUtils.createEvent('serviceStart');
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emitterUtils.createEvent('serviceStop');
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emitterUtils.createEvent('normalStart');
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emitterUtils.createEvent('session');
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emitterUtils.createEvent('powerStateChange');
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if (process.platform == 'win32')
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{
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this.GM = require('_GenericMarshal');
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this.Advapi = this.GM.CreateNativeProxy('Advapi32.dll');
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this.Advapi.CreateMethod({ method: 'StartServiceCtrlDispatcherA', threadDispatch: 1 });
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this.Advapi.CreateMethod('RegisterServiceCtrlHandlerExA');
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this.Advapi.CreateMethod('SetServiceStatus');
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this.Kernel32 = this.GM.CreateNativeProxy('Kernel32.dll');
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this.Kernel32.CreateMethod('GetLastError');
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this.Ole32 = this.GM.CreateNativeProxy('Ole32.dll');
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this.Ole32.CreateMethod('CoInitializeEx');
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this.Ole32.CreateMethod('CoUninitialize');
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this._ServiceName = this.GM.CreateVariable(typeof (serviceName) == 'string' ? serviceName : serviceName.name);
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this._ServiceMain = this.GM.GetGenericGlobalCallback(2);
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this._ServiceMain.Parent = this;
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this._ServiceMain.GM = this.GM;
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this._ServiceMain.on('GlobalCallback', function onGlobalCallback(argc, argv)
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{
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//ToDo: Check to make sure this is for us
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this.Parent._ServiceStatus = this.GM.CreateVariable(28);
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//typedef struct _SERVICE_STATUS {
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// DWORD dwServiceType;
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// DWORD dwCurrentState;
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// DWORD dwControlsAccepted;
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// DWORD dwWin32ExitCode;
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// DWORD dwServiceSpecificExitCode;
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// DWORD dwCheckPoint;
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// DWORD dwWaitHint;
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//} SERVICE_STATUS, *LPSERVICE_STATUS;
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// Initialise service status
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this.Parent._ServiceStatus.toBuffer().writeUInt32LE(SERVICE_WIN32);
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this.Parent._ServiceStatus.toBuffer().writeUInt32LE(SERVICE_STATE.SERVICE_STOPPED, 4);
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this.Parent._ServiceStatusHandle = this.Parent.Advapi.RegisterServiceCtrlHandlerExA(this.Parent._ServiceName, this.Parent._ServiceControlHandler, this.Parent.GM.StashObject(this.Parent._ServiceControlHandler));
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if(this.Parent._ServiceStatusHandle.Val == 0)
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{
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process.exit(1);
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}
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// Service is starting
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this.Parent._ServiceStatus.toBuffer().writeUInt32LE(SERVICE_STATE.SERVICE_START_PENDING, 4);
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this.Parent.Advapi.SetServiceStatus(this.Parent._ServiceStatusHandle, this.Parent._ServiceStatus);
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// Service running
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this.Parent._ServiceStatus.toBuffer().writeUInt32LE(SERVICE_STATE.RUNNING, 4);
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this.Parent._ServiceStatus.toBuffer().writeUInt32LE(SERVICE_ACCEPT.SERVICE_ACCEPT_STOP | SERVICE_ACCEPT.SERVICE_ACCEPT_POWEREVENT | SERVICE_ACCEPT.SERVICE_ACCEPT_SESSIONCHANGE, 8);
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this.Parent.Advapi.SetServiceStatus(this.Parent._ServiceStatusHandle, this.Parent._ServiceStatus);
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this.Parent.Ole32.CoInitializeEx(0, 2);
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this.Parent.on('~', function OnServiceHostFinalizer()
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{
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var GM = require('_GenericMarshal');
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var Advapi = GM.CreateNativeProxy('Advapi32.dll');
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Advapi.CreateMethod('SetServiceStatus');
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Kernel32 = this.GM.CreateNativeProxy('Kernel32.dll');
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Kernel32.CreateMethod('GetLastError');
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var status = GM.CreateVariable(28);
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// Service was stopped
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status.toBuffer().writeUInt32LE(SERVICE_WIN32);
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status.toBuffer().writeUInt32LE(0x00000001, 4);
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status.toBuffer().writeUInt32LE(0, 8);
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Advapi.SetServiceStatus(this._ServiceStatusHandle, status);
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this.Ole32.CoUninitialize();
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});
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this.Parent.emit('serviceStart');
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});
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this._ServiceControlHandler = this.GM.GetGenericGlobalCallback(4);
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this._ServiceControlHandler.Parent = this;
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this._ServiceControlHandler.GM = this.GM;
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this._ServiceControlHandler.on('GlobalCallback', function onServiceControlHandler(code, eventType, eventData, context)
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{
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var j = this.Parent.GM.UnstashObject(context);
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if (j != null && j == this)
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{
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switch (code.Val)
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{
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case SERVICE_CONTROL.SERVICE_CONTROL_SHUTDOWN:
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case SERVICE_CONTROL.SERVICE_CONTROL_STOP:
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this.Parent.emit('serviceStop');
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return;
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case SERVICE_CONTROL.SERVICE_CONTROL_SESSIONCHANGE:
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var sessionId = eventData.Deref(4, 4).toBuffer().readUInt32LE();
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switch(eventType.Val)
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{
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case SESSION_CHANGE_TYPE.WTS_SESSION_LOGON:
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case SESSION_CHANGE_TYPE.WTS_SESSION_LOGOFF:
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require('user-sessions').emit('changed');
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break;
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}
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break;
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default:
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break;
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}
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this.Parent.Advapi.SetServiceStatus(this.Parent._ServiceStatusHandle, this.Parent._ServiceStatus);
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}
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});
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}
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if (serviceName) { this._ServiceOptions = typeof (serviceName) == 'object' ? serviceName : { name: serviceName }; }
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else
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{
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throw ('Must specify either ServiceName or Options');
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}
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if (!this._ServiceOptions.servicePath)
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{
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this._ServiceOptions.servicePath = process.execPath;
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}
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this.run = function run()
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{
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var serviceOperation = 0;
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for(var i = 0; i<process.argv.length; ++i)
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{
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switch(process.argv[i])
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{
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case '-install':
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if (!this._svcManager) { this._svcManager = new serviceManager(); }
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try
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{
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this._svcManager.installService(this._ServiceOptions);
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}
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catch(e)
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{
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console.log(e);
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process.exit();
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}
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if (process.platform == 'win32' || process.platform == 'darwin')
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{
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// Only do this on Windows/MacOS, becuase Linux is async... It'll complete later
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console.log(this._ServiceOptions.name + ' installed');
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process.exit();
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}
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i = process.argv.length;
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serviceOperation = 1;
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break;
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case '-uninstall':
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if (!this._svcManager) { this._svcManager = new serviceManager(); }
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try
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{
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this._svcManager.uninstallService(this._ServiceOptions);
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}
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catch(e)
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{
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console.log(e);
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process.exit();
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}
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if (process.platform == 'win32' || process.platform == 'darwin')
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{
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// Only do this on Windows/MacOS, becuase Linux is async... It'll complete later
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console.log(this._ServiceOptions.name + ' uninstalled');
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process.exit();
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}
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i = process.argv.length;
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serviceOperation = 1;
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break;
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case 'start':
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case '-d':
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if (process.platform != 'win32') { break; }
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if (!this._svcManager) { this._svcManager = new serviceManager(); }
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this._svcManager.getService(this._ServiceOptions.name).start();
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console.log(this._ServiceOptions.name + ' starting...');
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process.exit();
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break;
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case 'stop':
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case '-s':
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if (process.platform != 'win32') { break; }
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if (!this._svcManager) { this._svcManager = new serviceManager(); }
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this._svcManager.getService(this._ServiceOptions.name).stop();
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console.log(this._ServiceOptions.name + ' stopping...');
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process.exit();
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break;
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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 serviceTable = this.GM.CreateVariable(4 * this.GM.PointerSize);
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this._ServiceName.pointerBuffer().copy(serviceTable.toBuffer());
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this._ServiceMain.pointerBuffer().copy(serviceTable.toBuffer(), this.GM.PointerSize);
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this._sscd = this.Advapi.StartServiceCtrlDispatcherA(serviceTable);
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this._sscd.parent = this;
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this._sscd.on('done', function OnStartServiceCtrlDispatcherA(retVal) {
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if (retVal.Val == 0)
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{
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this.parent.emit('normalStart');
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}
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});
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return;
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}
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else if (process.platform == 'linux')
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{
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var moduleName = this._ServiceOptions ? this._ServiceOptions.name : process.execPath.substring(1 + process.execPath.lastIndexOf('/'));
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for (var i = 0; i < process.argv.length; ++i) {
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switch (process.argv[i]) {
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case 'start':
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case '-d':
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var child = require('child_process').execFile(process.execPath, [moduleName], { type: require('child_process').SpawnTypes.DETACHED });
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var pstream = null;
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try {
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pstream = require('fs').createWriteStream('/var/run/' + moduleName + '.pid', { flags: 'w' });
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}
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catch (e) {
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}
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if (pstream == null) {
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pstream = require('fs').createWriteStream('.' + moduleName + '.pid', { flags: 'w' });
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}
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pstream.end(child.pid.toString());
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console.log(moduleName + ' started!');
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process.exit();
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break;
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case 'stop':
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case '-s':
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var pid = null;
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try {
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pid = parseInt(require('fs').readFileSync('/var/run/' + moduleName + '.pid', { flags: 'r' }));
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require('fs').unlinkSync('/var/run/' + moduleName + '.pid');
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}
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catch (e) {
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}
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if (pid == null) {
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try {
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pid = parseInt(require('fs').readFileSync('.' + moduleName + '.pid', { flags: 'r' }));
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require('fs').unlinkSync('.' + moduleName + '.pid');
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}
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catch (e) {
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}
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}
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if (pid) {
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process.kill(pid);
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console.log(moduleName + ' stopped');
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}
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else {
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console.log(moduleName + ' not running');
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}
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process.exit();
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break;
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}
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}
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if (serviceOperation == 0) {
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// This is non-windows, so we need to check how this binary was started to determine if this was a service start
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// Start by checking if we were started with start/stop
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var pid = null;
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try {
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pid = parseInt(require('fs').readFileSync('/var/run/' + moduleName + '.pid', { flags: 'r' }));
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}
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catch (e) {
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}
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if (pid == null) {
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try {
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pid = parseInt(require('fs').readFileSync('.' + moduleName + '.pid', { flags: 'r' }));
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}
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catch (e) {
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}
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}
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if (pid != null && pid == process.pid) {
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this.emit('serviceStart');
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}
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else {
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// Now we need to check if we were started with systemd
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if (require('process-manager').getProcessInfo(1).Name == 'systemd') {
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this._checkpid = require('child_process').execFile('/bin/sh', ['sh'], { type: require('child_process').SpawnTypes.TERM });
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this._checkpid.result = '';
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this._checkpid.parent = this;
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this._checkpid.on('exit', function onCheckPIDExit() {
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var lines = this.result.split('\r\n');
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for (i in lines) {
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if (lines[i].startsWith(' Main PID:')) {
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var tokens = lines[i].split(' ');
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if (parseInt(tokens[3]) == process.pid) {
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this.parent.emit('serviceStart');
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}
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else {
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this.parent.emit('normalStart');
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}
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delete this.parent._checkpid;
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return;
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}
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}
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this.parent.emit('normalStart');
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delete this.parent._checkpid;
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});
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this._checkpid.stdout.on('data', function (chunk) { this.parent.result += chunk.toString(); });
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this._checkpid.stdin.write("systemctl status " + moduleName + " | grep 'Main PID:'\n");
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this._checkpid.stdin.write('exit\n');
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}
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else {
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// This isn't even a systemd platform, so this couldn't have been a service start
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this.emit('normalStart');
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}
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}
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}
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}
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else if(process.platform == 'darwin')
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{
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// First let's fetch all the PIDs of running services
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var child = require('child_process').execFile('/bin/sh', ['sh']);
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child.stdout.str = '';
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child.stdout.on('data', function (chunk) { this.str += chunk.toString(); });
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child.stdin.write('launchctl list\nexit\n');
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child.waitExit();
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var lines = child.stdout.str.split('\n');
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var tokens, i;
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var p = {};
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for (i = 1; i < lines.length; ++i)
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{
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tokens = lines[i].split('\t');
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if (tokens[0] && tokens[0] != '-') { p[tokens[0]] = tokens[0]; }
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}
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if(p[process.pid.toString()])
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{
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// We are a service!
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this.emit('serviceStart');
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}
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else
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{
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this.emit('normalStart');
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}
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}
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};
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}
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module.exports = serviceHost; |