mirror of
https://github.com/Ylianst/MeshCentral.git
synced 2024-12-26 23:25:53 -05:00
377 lines
11 KiB
JavaScript
377 lines
11 KiB
JavaScript
/*
|
|
* Copyright (c) 2014-2015 Sylvain Peyrefitte
|
|
*
|
|
* This file is part of node-rdpjs.
|
|
*
|
|
* node-rdpjs is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
var net = require('net');
|
|
var inherits = require('util').inherits;
|
|
var events = require('events');
|
|
var layer = require('../core').layer;
|
|
var error = require('../core').error;
|
|
var rle = require('../core').rle;
|
|
var log = require('../core').log;
|
|
var TPKT = require('./tpkt');
|
|
var x224 = require('./x224');
|
|
var t125 = require('./t125');
|
|
var pdu = require('./pdu');
|
|
|
|
/**
|
|
* decompress bitmap from RLE algorithm
|
|
* @param bitmap {object} bitmap object of bitmap event of node-rdpjs
|
|
*/
|
|
function decompress(bitmap) {
|
|
var fName = null;
|
|
switch (bitmap.bitsPerPixel.value) {
|
|
case 15:
|
|
fName = 'bitmap_decompress_15';
|
|
break;
|
|
case 16:
|
|
fName = 'bitmap_decompress_16';
|
|
break;
|
|
case 24:
|
|
fName = 'bitmap_decompress_24';
|
|
break;
|
|
case 32:
|
|
fName = 'bitmap_decompress_32';
|
|
break;
|
|
default:
|
|
throw 'invalid bitmap data format';
|
|
}
|
|
|
|
var input = new Uint8Array(bitmap.bitmapDataStream.value);
|
|
var inputPtr = rle._malloc(input.length);
|
|
var inputHeap = new Uint8Array(rle.HEAPU8.buffer, inputPtr, input.length);
|
|
inputHeap.set(input);
|
|
|
|
var ouputSize = bitmap.width.value * bitmap.height.value * 4;
|
|
var outputPtr = rle._malloc(ouputSize);
|
|
|
|
var outputHeap = new Uint8Array(rle.HEAPU8.buffer, outputPtr, ouputSize);
|
|
|
|
var res = rle.ccall(fName,
|
|
'number',
|
|
['number', 'number', 'number', 'number', 'number', 'number', 'number', 'number'],
|
|
[outputHeap.byteOffset, bitmap.width.value, bitmap.height.value, bitmap.width.value, bitmap.height.value, inputHeap.byteOffset, input.length]
|
|
);
|
|
|
|
var output = new Uint8ClampedArray(outputHeap.buffer, outputHeap.byteOffset, ouputSize);
|
|
|
|
rle._free(inputPtr);
|
|
rle._free(outputPtr);
|
|
|
|
return output;
|
|
}
|
|
|
|
/**
|
|
* Main RDP module
|
|
*/
|
|
function RdpClient(config) {
|
|
config = config || {};
|
|
this.connected = false;
|
|
this.bufferLayer = new layer.BufferLayer(new net.Socket());
|
|
this.tpkt = new TPKT(this.bufferLayer);
|
|
this.x224 = new x224.Client(this.tpkt, config);
|
|
this.mcs = new t125.mcs.Client(this.x224);
|
|
this.sec = new pdu.sec.Client(this.mcs, this.tpkt);
|
|
this.cliprdr = new pdu.cliprdr.Client(this.mcs);
|
|
this.global = new pdu.global.Client(this.sec, this.sec);
|
|
|
|
// config log level
|
|
log.level = log.Levels[config.logLevel || 'INFO'] || log.Levels.INFO;
|
|
|
|
// credentials
|
|
if (config.domain) {
|
|
this.sec.infos.obj.domain.value = Buffer.from(config.domain + '\x00', 'ucs2');
|
|
}
|
|
if (config.userName) {
|
|
this.sec.infos.obj.userName.value = Buffer.from(config.userName + '\x00', 'ucs2');
|
|
}
|
|
if (config.password) {
|
|
this.sec.infos.obj.password.value = Buffer.from(config.password + '\x00', 'ucs2');
|
|
}
|
|
if (config.workingDir) {
|
|
this.sec.infos.obj.workingDir.value = Buffer.from(config.workingDir + '\x00', 'ucs2');
|
|
}
|
|
if (config.alternateShell) {
|
|
this.sec.infos.obj.alternateShell.value = Buffer.from(config.alternateShell + '\x00', 'ucs2');
|
|
}
|
|
|
|
if (config.perfFlags != null) {
|
|
this.sec.infos.obj.extendedInfo.obj.performanceFlags.value = config.perfFlags;
|
|
} else {
|
|
if (config.enablePerf) {
|
|
this.sec.infos.obj.extendedInfo.obj.performanceFlags.value =
|
|
pdu.sec.PerfFlag.PERF_DISABLE_WALLPAPER
|
|
| pdu.sec.PerfFlag.PERF_DISABLE_MENUANIMATIONS
|
|
| pdu.sec.PerfFlag.PERF_DISABLE_CURSOR_SHADOW
|
|
| pdu.sec.PerfFlag.PERF_DISABLE_THEMING
|
|
| pdu.sec.PerfFlag.PERF_DISABLE_FULLWINDOWDRAG;
|
|
}
|
|
}
|
|
|
|
if (config.autoLogin) {
|
|
this.sec.infos.obj.flag.value |= pdu.sec.InfoFlag.INFO_AUTOLOGON;
|
|
}
|
|
|
|
if (config.screen && config.screen.width && config.screen.height) {
|
|
this.mcs.clientCoreData.obj.desktopWidth.value = config.screen.width;
|
|
this.mcs.clientCoreData.obj.desktopHeight.value = config.screen.height;
|
|
}
|
|
|
|
log.debug('screen ' + this.mcs.clientCoreData.obj.desktopWidth.value + 'x' + this.mcs.clientCoreData.obj.desktopHeight.value);
|
|
|
|
// config keyboard layout
|
|
switch (config.locale) {
|
|
case 'fr':
|
|
log.debug('french keyboard layout');
|
|
this.mcs.clientCoreData.obj.kbdLayout.value = t125.gcc.KeyboardLayout.FRENCH;
|
|
break;
|
|
case 'en':
|
|
default:
|
|
log.debug('english keyboard layout');
|
|
this.mcs.clientCoreData.obj.kbdLayout.value = t125.gcc.KeyboardLayout.US;
|
|
}
|
|
|
|
this.cliprdr.on('clipboard', (content) => {
|
|
this.emit('clipboard', content)
|
|
});
|
|
|
|
//bind all events
|
|
var self = this;
|
|
this.global.on('connect', function () {
|
|
self.connected = true;
|
|
self.emit('connect');
|
|
}).on('session', function () {
|
|
self.emit('session');
|
|
}).on('close', function () {
|
|
self.connected = false;
|
|
self.emit('close');
|
|
}).on('bitmap', function (bitmaps) {
|
|
for (var bitmap in bitmaps) {
|
|
var bitmapData = bitmaps[bitmap].obj.bitmapDataStream.value;
|
|
var isCompress = bitmaps[bitmap].obj.flags.value & pdu.data.BitmapFlag.BITMAP_COMPRESSION;
|
|
|
|
if (isCompress && config.decompress) {
|
|
bitmapData = decompress(bitmaps[bitmap].obj);
|
|
isCompress = false;
|
|
}
|
|
|
|
self.emit('bitmap', {
|
|
destTop: bitmaps[bitmap].obj.destTop.value,
|
|
destLeft: bitmaps[bitmap].obj.destLeft.value,
|
|
destBottom: bitmaps[bitmap].obj.destBottom.value,
|
|
destRight: bitmaps[bitmap].obj.destRight.value,
|
|
width: bitmaps[bitmap].obj.width.value,
|
|
height: bitmaps[bitmap].obj.height.value,
|
|
bitsPerPixel: bitmaps[bitmap].obj.bitsPerPixel.value,
|
|
isCompress: isCompress,
|
|
data: bitmapData
|
|
});
|
|
}
|
|
}).on('error', function (err) {
|
|
log.warn(err.code + '(' + err.message + ')\n' + err.stack);
|
|
if (err instanceof error.FatalError) {
|
|
throw err;
|
|
}
|
|
else {
|
|
self.emit('error', err);
|
|
}
|
|
});
|
|
}
|
|
|
|
inherits(RdpClient, events.EventEmitter);
|
|
|
|
/**
|
|
* Connect RDP client
|
|
* @param host {string} destination host
|
|
* @param port {integer} destination port
|
|
*/
|
|
RdpClient.prototype.connect = function (host, port) {
|
|
log.debug('connect to ' + host + ':' + port);
|
|
var self = this;
|
|
this.bufferLayer.socket.connect(port, host, function () {
|
|
// in client mode connection start from x224 layer
|
|
self.x224.connect();
|
|
});
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Close RDP client
|
|
*/
|
|
RdpClient.prototype.close = function () {
|
|
if (this.connected) {
|
|
this.global.close();
|
|
}
|
|
this.connected = false;
|
|
return this;
|
|
};
|
|
|
|
/**
|
|
* Send pointer event to server
|
|
* @param x {integer} mouse x position
|
|
* @param y {integer} mouse y position
|
|
* @param button {integer} button number of mouse
|
|
* @param isPressed {boolean} state of button
|
|
*/
|
|
RdpClient.prototype.sendPointerEvent = function (x, y, button, isPressed) {
|
|
if (!this.connected)
|
|
return;
|
|
|
|
var event = pdu.data.pointerEvent();
|
|
if (isPressed) {
|
|
event.obj.pointerFlags.value |= pdu.data.PointerFlag.PTRFLAGS_DOWN;
|
|
}
|
|
|
|
switch (button) {
|
|
case 1:
|
|
event.obj.pointerFlags.value |= pdu.data.PointerFlag.PTRFLAGS_BUTTON1;
|
|
break;
|
|
case 2:
|
|
event.obj.pointerFlags.value |= pdu.data.PointerFlag.PTRFLAGS_BUTTON2;
|
|
break;
|
|
case 3:
|
|
event.obj.pointerFlags.value |= pdu.data.PointerFlag.PTRFLAGS_BUTTON3
|
|
break;
|
|
default:
|
|
event.obj.pointerFlags.value |= pdu.data.PointerFlag.PTRFLAGS_MOVE;
|
|
}
|
|
|
|
event.obj.xPos.value = x;
|
|
event.obj.yPos.value = y;
|
|
|
|
this.global.sendInputEvents([event]);
|
|
};
|
|
|
|
/**
|
|
* send scancode event
|
|
* @param code {integer}
|
|
* @param isPressed {boolean}
|
|
* @param extended {boolenan} extended keys
|
|
*/
|
|
RdpClient.prototype.sendKeyEventScancode = function (code, isPressed, extended) {
|
|
if (!this.connected)
|
|
return;
|
|
extended = extended || false;
|
|
var event = pdu.data.scancodeKeyEvent();
|
|
event.obj.keyCode.value = code;
|
|
|
|
if (!isPressed) {
|
|
event.obj.keyboardFlags.value |= pdu.data.KeyboardFlag.KBDFLAGS_RELEASE;
|
|
}
|
|
|
|
if (extended) {
|
|
event.obj.keyboardFlags.value |= pdu.data.KeyboardFlag.KBDFLAGS_EXTENDED;
|
|
}
|
|
|
|
this.global.sendInputEvents([event]);
|
|
};
|
|
|
|
/**
|
|
* Send key event as unicode
|
|
* @param code {integer}
|
|
* @param isPressed {boolean}
|
|
*/
|
|
RdpClient.prototype.sendKeyEventUnicode = function (code, isPressed) {
|
|
if (!this.connected)
|
|
return;
|
|
|
|
var event = pdu.data.unicodeKeyEvent();
|
|
event.obj.unicode.value = code;
|
|
|
|
if (!isPressed) {
|
|
event.obj.keyboardFlags.value |= pdu.data.KeyboardFlag.KBDFLAGS_RELEASE;
|
|
}
|
|
this.global.sendInputEvents([event]);
|
|
}
|
|
|
|
/**
|
|
* Wheel mouse event
|
|
* @param x {integer} mouse x position
|
|
* @param y {integer} mouse y position
|
|
* @param step {integer} wheel step
|
|
* @param isNegative {boolean}
|
|
* @param isHorizontal {boolean}
|
|
*/
|
|
RdpClient.prototype.sendWheelEvent = function (x, y, step, isNegative, isHorizontal) {
|
|
if (!this.connected)
|
|
return;
|
|
|
|
var event = pdu.data.pointerEvent();
|
|
if (isHorizontal) {
|
|
event.obj.pointerFlags.value |= pdu.data.PointerFlag.PTRFLAGS_HWHEEL;
|
|
}
|
|
else {
|
|
event.obj.pointerFlags.value |= pdu.data.PointerFlag.PTRFLAGS_WHEEL;
|
|
}
|
|
|
|
|
|
if (isNegative) {
|
|
event.obj.pointerFlags.value |= pdu.data.PointerFlag.PTRFLAGS_WHEEL_NEGATIVE;
|
|
}
|
|
|
|
event.obj.pointerFlags.value |= (step & pdu.data.PointerFlag.WheelRotationMask)
|
|
|
|
event.obj.xPos.value = x;
|
|
event.obj.yPos.value = y;
|
|
|
|
this.global.sendInputEvents([event]);
|
|
}
|
|
|
|
/**
|
|
* Clipboard event
|
|
* @param data {String} content for clipboard
|
|
*/
|
|
RdpClient.prototype.setClipboardData = function (content) {
|
|
this.cliprdr.setClipboardData(content);
|
|
}
|
|
|
|
function createClient(config) {
|
|
return new RdpClient(config);
|
|
};
|
|
|
|
/**
|
|
* RDP server side protocol
|
|
* @param config {object} configuration
|
|
* @param socket {net.Socket}
|
|
*/
|
|
function RdpServer(config, socket) {
|
|
if (!(config.key && config.cert)) {
|
|
throw new error.FatalError('NODE_RDP_PROTOCOL_RDP_SERVER_CONFIG_MISSING', 'missing cryptographic tools')
|
|
}
|
|
this.connected = false;
|
|
this.bufferLayer = new layer.BufferLayer(socket);
|
|
this.tpkt = new TPKT(this.bufferLayer);
|
|
this.x224 = new x224.Server(this.tpkt, config.key, config.cert);
|
|
this.mcs = new t125.mcs.Server(this.x224);
|
|
};
|
|
|
|
inherits(RdpServer, events.EventEmitter);
|
|
|
|
function createServer(config, next) {
|
|
return net.createServer(function (socket) {
|
|
next(new RdpServer(config, socket));
|
|
});
|
|
};
|
|
|
|
/**
|
|
* Module exports
|
|
*/
|
|
module.exports = {
|
|
createClient: createClient,
|
|
createServer: createServer
|
|
}; |