782 lines
30 KiB
Python
782 lines
30 KiB
Python
# coding=utf-8
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# pyvncs
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# Copyright (C) 2017-2018 Matias Fernandez
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#
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# This program is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option) any
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# later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from struct import *
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from pyDes import *
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from time import sleep
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from pynput import mouse, keyboard
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import socket
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import select
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import os
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import sys
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import random
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import zlib
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import numpy as np
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from lib.encodings import *
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def hexdump(data):
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str = ""
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for d in data:
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str += hex(d)
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str += "(%s) " % d
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return str
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def quantizetopalette(silf, palette, dither=False):
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"""Convert an RGB or L mode image to use a given P image's palette."""
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silf.load()
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# use palette from reference image
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palette.load()
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if palette.mode != "P":
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raise ValueError("bad mode for palette image")
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if silf.mode != "RGB" and silf.mode != "L":
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raise ValueError(
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"only RGB or L mode images can be quantized to a palette"
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)
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im = silf.im.convert("P", 1 if dither else 0, palette.im)
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# the 0 above means turn OFF dithering
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# Later versions of Pillow (4.x) rename _makeself to _new
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try:
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return silf._new(im)
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except AttributeError:
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return silf._makeself(im)
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from PIL import Image, ImageChops, ImageDraw, ImagePalette
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if sys.platform == "linux" or sys.platform == "linux2":
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from Xlib import display, X
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# take screen images, that's not the best way, so here
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# we use directly use xlib to take the screenshot.
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class ImageGrab():
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def grab():
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dsp = display.Display()
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root = dsp.screen().root
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geom = root.get_geometry()
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w = geom.width
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h = geom.height
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raw = root.get_image(0, 0, w ,h, X.ZPixmap, 0xffffffff)
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image = Image.frombytes("RGB", (w, h), raw.data, "raw", "BGRX")
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return image
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elif sys.platform == "darwin":
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import Quartz.CoreGraphics as CG
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class ImageGrab():
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def grab():
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screenshot = CG.CGWindowListCreateImage(CG.CGRectInfinite, CG.kCGWindowListOptionOnScreenOnly, CG.kCGNullWindowID, CG.kCGWindowImageDefault)
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width = CG.CGImageGetWidth(screenshot)
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height = CG.CGImageGetHeight(screenshot)
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bytesperrow = CG.CGImageGetBytesPerRow(screenshot)
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pixeldata = CG.CGDataProviderCopyData(CG.CGImageGetDataProvider(screenshot))
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i = Image.frombytes("RGBA", (width, height), pixeldata)
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(b, g, r, x) = i.split()
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i = Image.merge("RGBX", (r, g, b, x))
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return i
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else:
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from PIL import ImageGrab
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class VncServer():
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class CONFIG:
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_8bitdither = False
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def __init__(self, socket, password):
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self.RFB_VERSION = '003.008'
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self.RFB_SECTYPES = [
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2, # VNC auth
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19 # VeNCrypt
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]
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self.initmsg = ("RFB %s\n" % self.RFB_VERSION)
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self.socket = socket
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self.framebuffer = None
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self.password = password
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self.sectypes = self.RFB_SECTYPES
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self.remotecursor = False
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self.BGR233 = [0, 0, 0, 0, 0, 85, 0, 0, 170, 0, 0, 255, 36, 0, 0,
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36, 0, 85, 36, 0, 170, 36, 0, 255, 73, 0, 0, 73, 0,
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85, 73, 0, 170, 73, 0, 255, 109, 0, 0, 109, 0, 85,
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109, 0, 170, 109, 0, 255, 146, 0, 0, 146, 0, 85, 146,
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0, 170, 146, 0, 255, 182, 0, 0, 182, 0, 85, 182, 0,
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170, 182, 0, 255, 219, 0, 0, 219, 0, 85, 219, 0, 170,
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219, 0, 255, 255, 0, 0, 255, 0, 85, 255, 0, 170, 255,
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0, 255, 0, 36, 0, 0, 36, 85, 0, 36, 170, 0, 36, 255,
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36, 36, 0, 36, 36, 85, 36, 36, 170, 36, 36, 255, 73,
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36, 0, 73, 36, 85, 73, 36, 170, 73, 36, 255, 109, 36,
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0, 109, 36, 85, 109, 36, 170, 109, 36, 255, 146, 36,
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0, 146, 36, 85, 146, 36, 170, 146, 36, 255, 182, 36,
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0, 182, 36, 85, 182, 36, 170, 182, 36, 255, 219, 36,
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0, 219, 36, 85, 219, 36, 170, 219, 36, 255, 255, 36,
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0, 255, 36, 85, 255, 36, 170, 255, 36, 255, 0, 73, 0,
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0, 73, 85, 0, 73, 170, 0, 73, 255, 36, 73, 0, 36, 73,
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85, 36, 73, 170, 36, 73, 255, 73, 73, 0, 73, 73, 85,
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73, 73, 170, 73, 73, 255, 109, 73, 0, 109, 73, 85,
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109, 73, 170, 109, 73, 255, 146, 73, 0, 146, 73, 85,
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146, 73, 170, 146, 73, 255, 182, 73, 0, 182, 73, 85,
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182, 73, 170, 182, 73, 255, 219, 73, 0, 219, 73, 85,
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219, 73, 170, 219, 73, 255, 255, 73, 0, 255, 73, 85,
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255, 73, 170, 255, 73, 255, 0, 109, 0, 0, 109, 85, 0,
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109, 170, 0, 109, 255, 36, 109, 0, 36, 109, 85, 36,
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109, 170, 36, 109, 255, 73, 109, 0, 73, 109, 85, 73,
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109, 170, 73, 109, 255, 109, 109, 0, 109, 109, 85, 109,
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109, 170, 109, 109, 255, 146, 109, 0, 146, 109, 85,
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146, 109, 170, 146, 109, 255, 182, 109, 0, 182, 109,
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85, 182, 109, 170, 182, 109, 255, 219, 109, 0, 219,
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109, 85, 219, 109, 170, 219, 109, 255, 255, 109, 0,
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255, 109, 85, 255, 109, 170, 255, 109, 255, 0, 146, 0,
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0, 146, 85, 0, 146, 170, 0, 146, 255, 36, 146, 0, 36,
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146, 85, 36, 146, 170, 36, 146, 255, 73, 146, 0, 73,
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146, 85, 73, 146, 170, 73, 146, 255, 109, 146, 0, 109,
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146, 85, 109, 146, 170, 109, 146, 255, 146, 146, 0, 146,
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146, 85, 146, 146, 170, 146, 146, 255, 182, 146, 0, 182,
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146, 85, 182, 146, 170, 182, 146, 255, 219, 146, 0, 219,
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146, 85, 219, 146, 170, 219, 146, 255, 255, 146, 0, 255,
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146, 85, 255, 146, 170, 255, 146, 255, 0, 182, 0, 0,
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182, 85, 0, 182, 170, 0, 182, 255, 36, 182, 0, 36, 182,
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85, 36, 182, 170, 36, 182, 255, 73, 182, 0, 73, 182,
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85, 73, 182, 170, 73, 182, 255, 109, 182, 0, 109, 182,
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85, 109, 182, 170, 109, 182, 255, 146, 182, 0, 146,
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182, 85, 146, 182, 170, 146, 182, 255, 182, 182, 0, 182,
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182, 85, 182, 182, 170, 182, 182, 255, 219, 182, 0, 219,
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182, 85, 219, 182, 170, 219, 182, 255, 255, 182, 0, 255,
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182, 85, 255, 182, 170, 255, 182, 255, 0, 219, 0, 20,
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219, 85, 0, 219, 170, 0, 219, 255, 36, 219, 0, 36, 219,
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85, 36, 219, 170, 36, 219, 255, 73, 219, 0, 73, 219,
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85, 73, 219, 170, 73, 219, 255, 109, 219, 0, 109, 219,
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85, 109, 219, 170, 109, 219, 255, 146, 219, 0, 146, 219,
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85, 146, 219, 170, 146, 219, 255, 182, 219, 0, 182, 219,
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85, 182, 219, 170, 182, 219, 255, 219, 219, 0, 219, 219,
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85, 219, 219, 170, 219, 219, 255, 255, 219, 0, 255, 219,
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85, 255, 219, 170, 255, 219, 255, 0, 255, 0, 0, 255, 85,
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0, 255, 170, 0, 255, 255, 36, 255, 0, 36, 255, 85, 36,
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255, 170, 36, 255, 255, 73, 255, 0, 73, 255, 85, 73,
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255, 170, 73, 255, 255, 109, 255, 0, 109, 255, 85, 109,
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255, 170, 109, 255, 255, 146, 255, 0, 146, 255, 85,
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146, 255, 170, 146, 255, 255, 182, 255, 0, 182, 255, 85,
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182, 255, 170, 182, 255, 255, 219, 255, 0, 219, 255, 85,
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219, 255, 170, 219, 255, 255, 255, 255, 0, 255, 255, 85,
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255, 255, 170, 255, 255, 255]
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def __del__(self):
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print("VncServer died")
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def encrypt(self, key, data):
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k = des(key, ECB, "\0\0\0\0\0\0\0\0", pad=None, padmode=PAD_PKCS5)
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d = k.encrypt(data)
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return d
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def decrypt(self, challenge, data):
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k = des(challenge, ECB, "\0\0\0\0\0\0\0\0", pad=None, padmode=PAD_PKCS5)
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return k.decrypt(data)
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def mirrorBits(self, key):
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newkey = []
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for ki in range(len(key)):
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bsrc = key[ki]
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btgt = 0
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for i in range(8):
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if ord(bsrc) & (1 << i):
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btgt = btgt | (1 << 7-i)
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newkey.append(btgt)
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return newkey
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def sendmessage(self, message):
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''' sends a RFB message, usually an error message '''
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sock = self.socket
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message = bytes(message, 'iso8859-1')
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# 4 bytes lenght and string
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buff = pack("I%ds" % (len(message),), len(message), message)
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sock.send(message)
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def getbuff(self, timeout):
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sock = self.socket
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sock.settimeout(timeout)
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try:
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data = sock.recv(1024)
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except socket.timeout:
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data = None
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print("getbuff() timeout")
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return data
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def init(self):
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sock = self.socket
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sock.send(self.initmsg.encode())
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# RFB version handshake
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data = self.getbuff(30)
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print("init received: '%s'" % data)
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server_version = float(self.RFB_VERSION)
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try:
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client_version = float(data[4:11])
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except:
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print("Error parsing client version")
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return False
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print("client, server:", client_version, server_version)
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# security types handshake
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sendbuff = pack("B", len(self.sectypes)) # number of security types
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sendbuff += pack('%sB' % len(self.sectypes), *self.sectypes) # send available sec types
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sock.send(sendbuff)
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data = self.getbuff(30)
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try:
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sectype = unpack("B", data)[0]
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except:
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sectype = None
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if sectype not in self.sectypes:
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print("Incompatible security type: %s" % data)
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sock.send(pack("B", 1)) # failed handshake
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self.sendmessage("Incompatible security type")
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sock.close()
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return False
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print("sec type data: %s" % data)
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# VNC Auth
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if sectype == 2:
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# el cliente encripta el challenge con la contraseña ingresada como key
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pw = (self.password + '\0' * 8)[:8]
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challenge = os.urandom(16) # challenge
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sock.send(challenge) # send challenge
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# obtener desde el cliente el dato encritado
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data = self.getbuff(30)
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# la encriptacion de challenge, con pw como key debe dar data
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k = des(self.mirrorBits(pw))
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crypted = k.encrypt(challenge)
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if data == crypted:
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# Handshake successful
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sock.send(pack("I", 0))
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print("Auth OK")
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else:
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print("Invalid auth")
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return False
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#unsupported VNC auth type
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else:
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return False
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# get ClientInit
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data = self.getbuff(30)
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print("Clientinit (shared flag)", repr(data))
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self.ServerInit()
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return True
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def ServerInit(self):
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# ServerInit
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sock = self.socket
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screen = ImageGrab.grab()
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print("screen", repr(screen))
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size = screen.size
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print("size", repr(size))
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del screen
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width = size[0]
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self.width = width
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height = size[1]
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self.height = height
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bpp = 32 # FIXME: get real bpp
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depth = 32 # FIXME: get real depth
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self.depth = depth
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self.bpp = bpp
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bigendian = 0
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truecolor = 1
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red_maximum = 255
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self.red_maximum = red_maximum
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green_maximum = 255
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self.green_maximum = green_maximum
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blue_maximum = 255
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self.blue_maximum = blue_maximum
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red_shift = 16
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self.red_shift = red_shift
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green_shift = 8
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self.green_shift = green_shift
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blue_shift = 0
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self.blue_shift = blue_shift
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sendbuff = pack("!HH", width, height)
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sendbuff += pack("!BBBB", bpp, depth, bigendian, truecolor)
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sendbuff += pack("!HHHBBB", red_maximum, green_maximum, blue_maximum, red_shift, green_shift, blue_shift)
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sendbuff += pack("!xxx") # padding
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desktop_name = "Test VNC"
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desktop_name_len = len(desktop_name)
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sendbuff += pack("!I", desktop_name_len)
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sendbuff += desktop_name.encode()
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print("width", repr(width))
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print("height", repr(height))
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sock.send(sendbuff)
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def protocol(self):
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self.socket.settimeout(None) # set nonblocking socket
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screen = ImageGrab.grab()
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size = screen.size
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width = size[0]
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height = size[1]
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del screen
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self.primaryOrder = "rgb"
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self.encoding = enc.ENCODINGS.raw
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buttonmask = 0
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buttons = [0, 0, 0, 0, 0, 0, 0, 0]
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left_pressed = 0
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right_pressed = 0
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middle_pressed = 0
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kbdmap = {
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0xff08: keyboard.Key.backspace,
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0xff09: keyboard.Key.tab,
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0xff0d: keyboard.Key.enter,
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0xff1b: keyboard.Key.esc,
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0xff63: keyboard.Key.insert if hasattr(keyboard.Key, "insert") else None,
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0xffff: keyboard.Key.delete,
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0xff50: keyboard.Key.home,
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0xff57: keyboard.Key.end,
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0xff55: keyboard.Key.page_up,
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0xff56: keyboard.Key.page_down,
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0xff51: keyboard.Key.left,
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0xff52: keyboard.Key.up,
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0xff53: keyboard.Key.right,
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0xff54: keyboard.Key.down,
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0xffbe: keyboard.Key.f1,
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0xffbf: keyboard.Key.f2,
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0xffc0: keyboard.Key.f3,
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0xffc1: keyboard.Key.f4,
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0xffc2: keyboard.Key.f5,
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0xffc3: keyboard.Key.f6,
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0xffc4: keyboard.Key.f7,
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0xffc5: keyboard.Key.f8,
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0xffc6: keyboard.Key.f9,
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0xffc7: keyboard.Key.f10,
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0xffc8: keyboard.Key.f11,
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0xffc9: keyboard.Key.f12,
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0xffca: keyboard.Key.f13,
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0xffcb: keyboard.Key.f14,
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0xffcc: keyboard.Key.f15,
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0xffcd: keyboard.Key.f16,
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0xffce: keyboard.Key.f17,
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0xffcf: keyboard.Key.f18,
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0xffd0: keyboard.Key.f19,
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0xffd1: keyboard.Key.f20,
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0xffe1: keyboard.Key.shift_l,
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0xffe2: keyboard.Key.shift_r,
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0xffe3: keyboard.Key.ctrl_l,
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0xffe4: keyboard.Key.ctrl_r,
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0xffe7: None, # "KEY_MetaLeft"
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0xffe8: None, # "KEY_MetaRight"
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0xffe9: keyboard.Key.cmd_l,
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0xffea: keyboard.Key.alt_gr, # "KEY_AltRight"
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0xff14: keyboard.Key.scroll_lock if hasattr(keyboard.Key, "scroll_lock") else None,
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0xff15: keyboard.Key.print_screen if hasattr(keyboard.Key, "print_screen") else None, # "KEY_Sys_Req"
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0xff7f: keyboard.Key.num_lock if hasattr(keyboard.Key, "num_lock") else None,
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0xffe5: keyboard.Key.caps_lock,
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0xff13: keyboard.Key.pause if hasattr(keyboard.Key, "pause") else None,
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0xffeb: keyboard.Key.cmd_r, # "KEY_Super_L"
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0xffec: keyboard.Key.cmd_r, # "KEY_Super_R"
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0xffed: None, # "KEY_Hyper_L"
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0xffee: None, # "KEY_Hyper_R"
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0xffb0: None, # "KEY_KP_0"
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0xffb1: None, # "KEY_KP_1"
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0xffb2: None, # "KEY_KP_2"
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0xffb3: None, # "KEY_KP_3"
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0xffb4: None, # "KEY_KP_4"
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0xffb5: None, # "KEY_KP_5"
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0xffb6: None, # "KEY_KP_6"
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0xffb7: None, # "KEY_KP_7"
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0xffb8: None, # "KEY_KP_8"
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0xffb9: None, # "KEY_KP_9"
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0xff8d: None, # "KEY_KP_Enter"
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0x002f: "/", # KEY_ForwardSlash
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0x005c: "\\", # KEY_BackSlash
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0x0020: keyboard.Key.space, # "KEY_SpaceBar"
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0xff7e: keyboard.Key.alt_gr, # altgr, at least on a mac (?)
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0xfe03: keyboard.Key.alt_l,
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}
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if sys.platform == "darwin":
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kbdmap[0xffe2] = keyboard.Key.shift
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while True:
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#print(".", end='', flush=True)
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r,_,_ = select.select([self.socket],[],[],0)
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if r == []:
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#no data
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sleep(0.1)
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continue
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sock = r[0]
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try:
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data = sock.recv(1) # read first byte
|
|
except socket.timeout:
|
|
#print("timeout")
|
|
continue
|
|
except Exception as e:
|
|
print("exception '%s'" % e)
|
|
sock.close()
|
|
break
|
|
|
|
if not data:
|
|
# clinet disconnected
|
|
sock.close()
|
|
break
|
|
|
|
if data[0] == 0: # client SetPixelFormat
|
|
data2 = sock.recv(19, socket.MSG_WAITALL)
|
|
print("Client Message Type: Set Pixel Format (0)")
|
|
(self.bpp, self.depth, self.bigendian, self.truecolor, self.red_maximum,
|
|
self.green_maximum, self.blue_maximum,
|
|
self.red_shift, self.green_shift, self.blue_shift
|
|
) = unpack("!xxxBBBBHHHBBBxxx", data2)
|
|
print("IMG bpp, depth, endian, truecolor", self.bpp, self.depth, self.bigendian, self.truecolor)
|
|
print("SHIFTS", self.red_shift, self.green_shift, self.blue_shift)
|
|
print("MAXS", self.red_maximum, self.green_maximum, self.blue_maximum)
|
|
|
|
if self.red_shift > self.blue_shift:
|
|
self.primaryOrder = "rgb"
|
|
else:
|
|
self.primaryOrder = "bgr"
|
|
print("Using order: ", self.primaryOrder)
|
|
|
|
continue
|
|
|
|
if data[0] == 2: # SetEncoding
|
|
data2 = sock.recv(3)
|
|
print("Client Message Type: SetEncoding (2)")
|
|
(nencodings,) = unpack("!xH", data2)
|
|
print("SetEncoding: total encodings", repr(nencodings))
|
|
data2 = sock.recv(4 * nencodings, socket.MSG_WAITALL)
|
|
#print("len", len(data2))
|
|
self.client_encodings = unpack("!%si" % nencodings, data2)
|
|
#print("data", repr(self.client_encodings), len(self.client_encodings))
|
|
|
|
if hasattr(enc.ENCODINGS, "cursor") and enc.ENCODINGS.cursor in self.client_encodings:
|
|
print("Remote cursor encoding present")
|
|
self.remotecursor = True
|
|
self.cursorchanged = True
|
|
|
|
if hasattr(enc.ENCODINGS, "zlib") and enc.ENCODINGS.zlib in self.client_encodings:
|
|
print("Using zlib encoding")
|
|
self.encoding = enc.ENCODINGS.zlib
|
|
|
|
continue
|
|
|
|
|
|
if data[0] == 3: # FBUpdateRequest
|
|
data2 = sock.recv(9, socket.MSG_WAITALL)
|
|
#print("Client Message Type: FBUpdateRequest (3)")
|
|
#print(len(data2))
|
|
(incremental, x, y, w, h) = unpack("!BHHHH", data2)
|
|
#print("RFBU:", incremental, x, y, w, h)
|
|
self.SendRectangles(sock, x, y, w, h, incremental)
|
|
|
|
if self.remotecursor and self.cursorchanged:
|
|
# FIXME: send cursor to remote client
|
|
self.cursorchanged = False
|
|
continue
|
|
|
|
if data[0] == 4:
|
|
kbdkey = ''
|
|
data2 = sock.recv(7)
|
|
# B = U8, L = U32
|
|
(downflag, key) = unpack("!BxxL", data2)
|
|
print("KeyEvent", downflag, hex(key))
|
|
|
|
# special key
|
|
if key in kbdmap:
|
|
kbdkey = kbdmap[key]
|
|
else: # normal key
|
|
try:
|
|
kbdkey = keyboard.KeyCode.from_char(chr(key))
|
|
except:
|
|
kbdkey = None
|
|
|
|
try:
|
|
print("KEY:", kbdkey)
|
|
except:
|
|
print("KEY: (unprintable)")
|
|
|
|
try:
|
|
if downflag:
|
|
keyboard.Controller().press(kbdkey)
|
|
else:
|
|
keyboard.Controller().release(kbdkey)
|
|
except:
|
|
print("Error sending key")
|
|
|
|
continue
|
|
|
|
if data[0] == 5: # PointerEvent
|
|
data2 = sock.recv(5, socket.MSG_WAITALL)
|
|
(buttonmask, x, y) = unpack("!BHH", data2)
|
|
buttons[0] = buttonmask & int("0000001", 2) # left button
|
|
buttons[1] = buttonmask & int("0000010", 2) # middle button
|
|
buttons[2] = buttonmask & int("0000100", 2) # right button
|
|
buttons[3] = buttonmask & int("0001000", 2) # scroll up
|
|
buttons[4] = buttonmask & int("0010000", 2) # scroll down
|
|
|
|
mouse.Controller().position = (x, y)
|
|
|
|
if buttons[0] and not left_pressed:
|
|
print("LEFT PRESSED")
|
|
mouse.Controller().press(mouse.Button.left)
|
|
left_pressed = 1
|
|
elif not buttons[0] and left_pressed:
|
|
print("LEFT RELEASED")
|
|
mouse.Controller().release(mouse.Button.left)
|
|
left_pressed = 0
|
|
|
|
if buttons[1] and not middle_pressed:
|
|
print("MIDDLE PRESSED")
|
|
mouse.Controller().press(mouse.Button.middle)
|
|
middle_pressed = 1
|
|
elif not buttons[1] and middle_pressed:
|
|
print("MIDDLE RELEASED")
|
|
mouse.Controller().release(mouse.Button.middle)
|
|
middle_pressed = 0
|
|
|
|
if buttons[2] and not right_pressed:
|
|
print("RIGHT PRESSED")
|
|
mouse.Controller().press(mouse.Button.right)
|
|
right_pressed = 1
|
|
elif not buttons[2] and right_pressed:
|
|
print("RIGHT RELEASED")
|
|
mouse.Controller().release(mouse.Button.right)
|
|
right_pressed = 0
|
|
|
|
if buttons[3]:
|
|
print("SCROLLUP PRESSED")
|
|
mouse.Controller().scroll(0, 2)
|
|
|
|
if buttons[4]:
|
|
print("SCROLLDOWN PRESSED")
|
|
mouse.Controller().scroll(0, -2)
|
|
|
|
#print("PointerEvent", buttonmask, x, y)
|
|
continue
|
|
|
|
else:
|
|
data2 = sock.recv(4096)
|
|
print("RAW Server received data:", repr(data[0]) , data+data2)
|
|
|
|
|
|
def GetRectangle(self, x, y, w, h):
|
|
try:
|
|
scr = ImageGrab.grab()
|
|
except:
|
|
return False
|
|
(scr_width, scr_height) = scr.size
|
|
|
|
if scr.mode != "RGB":
|
|
img = scr.convert("RGB")
|
|
else:
|
|
img = scr
|
|
|
|
del scr
|
|
|
|
crop = img.crop((x, y, w, h))
|
|
del img
|
|
|
|
return crop
|
|
|
|
def SendRectangles(self, sock, x, y, w, h, incremental=0):
|
|
# send FramebufferUpdate to client
|
|
|
|
#print("start SendRectangles")
|
|
rectangle = self.GetRectangle(x, y, w, h)
|
|
if not rectangle:
|
|
rectangle = Image.new("RGB", [w, h], (0,0,0))
|
|
|
|
lastshot = rectangle
|
|
sendbuff = bytearray()
|
|
|
|
firstUpdateSent = False
|
|
|
|
# try to send only the actual changes
|
|
if self.framebuffer != None and incremental == 1:
|
|
diff = ImageChops.difference(rectangle, self.framebuffer)
|
|
if diff.getbbox() is None:
|
|
rectangles = 0
|
|
sendbuff.extend(pack("!BxH", 0, rectangles))
|
|
try:
|
|
sock.sendall(sendbuff)
|
|
except:
|
|
return False
|
|
sleep(0.3)
|
|
return
|
|
|
|
if diff.getbbox() is not None:
|
|
if hasattr(diff, "getbbox"):
|
|
rectangle = rectangle.crop(diff.getbbox())
|
|
(x, y, _, _) = diff.getbbox()
|
|
w = rectangle.width
|
|
h = rectangle.height
|
|
#print("XYWH:", x,y,w,h, "diff", repr(diff.getbbox()))
|
|
|
|
stimeout = sock.gettimeout()
|
|
sock.settimeout(None)
|
|
|
|
if self.bpp == 32 or self.bpp == 8:
|
|
if rectangle.mode is not "RGB":
|
|
image = rectangle.convert("RGB")
|
|
else:
|
|
image = rectangle
|
|
|
|
b = np.asarray(image)
|
|
a = b.copy()
|
|
del b
|
|
|
|
if self.bpp == 32:
|
|
redBits = 8
|
|
greenBits = 8
|
|
blueBits = 8
|
|
elif self.bpp == 8:
|
|
redBits = 4
|
|
greenBits = 4
|
|
blueBits = 4
|
|
|
|
#redMask = ((1 << redBits) - 1) << self.red_shift
|
|
#greenMask = ((1 << greenBits) - 1) << self.green_shift
|
|
#blueMask = ((1 << blueBits) - 1) << self.blue_shift
|
|
#print("redMask", redMask, greenMask, blueMask)
|
|
|
|
if self.primaryOrder == "bgr":
|
|
self.blue_shift = 0
|
|
blueMask = (1 << blueBits) - 1
|
|
self.green_shift = blueBits
|
|
greenMask = ((1 << greenBits) - 1) << self.green_shift
|
|
self.red_shift = self.green_shift + greenBits
|
|
redMask = ((1 << redBits) - 1) << self.red_shift
|
|
|
|
else: # RGB
|
|
self.red_shift = 0
|
|
redMask = (1 << redBits) - 1
|
|
self.green_shift = redBits
|
|
greenMask = ((1 << greenBits) - 1) << self.green_shift
|
|
self.blue_shift = self.green_shift + greenBits
|
|
blueMask = ((1 << blueBits) - 1) << self.blue_shift
|
|
|
|
a[..., 0] = ( a[..., 0] ) & redMask >> self.red_shift
|
|
a[..., 1] = ( a[..., 1] ) & greenMask >> self.green_shift
|
|
a[..., 2] = ( a[..., 2] ) & blueMask >> self.blue_shift
|
|
|
|
image = Image.fromarray(a)
|
|
del a
|
|
|
|
if self.primaryOrder == "rgb":
|
|
(b, g, r) = image.split()
|
|
image = Image.merge("RGB", (r, g, b))
|
|
del b,g,r
|
|
|
|
if self.bpp == 32:
|
|
image = image.convert("RGBX")
|
|
|
|
elif self.bpp == 8:
|
|
#FIXME: improve 8 bit routines up!, image looks awful!
|
|
if rectangle.mode is not "RGB":
|
|
image = rectangle.convert("RGB")
|
|
else:
|
|
image = rectangle
|
|
|
|
(r, g, b) = image.split()
|
|
image = Image.merge("RGB", (g, r, b))
|
|
del b,g,r
|
|
|
|
p = Image.new("P",(16,16))
|
|
p.putpalette(self.BGR233)
|
|
image = quantizetopalette(image, p, dither=self.CONFIG._8bitdither)
|
|
image.putpalette(self.BGR233)
|
|
del p
|
|
rectangles = 1
|
|
sendbuff.extend(pack("!BxH", 0, rectangles))
|
|
sendbuff.extend(pack("!HHHH", x, y, w, h))
|
|
sendbuff.extend(pack(">i", self.encoding))
|
|
sendbuff.extend( image.tobytes() )
|
|
|
|
|
|
if hasattr(enc.ENCODINGS, "zlib") and self.encoding == enc.ENCODINGS.zlib - 9998:
|
|
if not firstUpdateSent:
|
|
firstUpdateSent = True
|
|
compress = zlib.compressobj(
|
|
zlib.Z_DEFAULT_COMPRESSION, # level: 0-9
|
|
zlib.DEFLATED, # method: must be DEFLATED
|
|
-15, # window size in bits:
|
|
# -15..-8: negate, suppress header
|
|
# 8..15: normal
|
|
# 16..30: subtract 16, gzip header
|
|
1, # mem level: 1..8/9
|
|
zlib.Z_DEFAULT_STRATEGY # strategy:
|
|
# 0 = Z_DEFAULT_STRATEGY
|
|
# 1 = Z_FILTERED
|
|
# 2 = Z_HUFFMAN_ONLY
|
|
# 3 = Z_RLE
|
|
# 4 = Z_FIXED
|
|
)
|
|
|
|
rectangles = 1
|
|
sendbuff.extend(pack("!BxH", 0, rectangles))
|
|
sendbuff.extend(pack("!HHHH", x, y, w, h))
|
|
sendbuff.extend(pack(">i", self.encoding))
|
|
|
|
print("Compressing...")
|
|
zlibdata = compress.compress( image.tobytes() )
|
|
zlibdata += compress.flush()
|
|
l = pack("!I", len(zlibdata) )
|
|
|
|
sendbuff.extend( l ) # send length
|
|
sendbuff.extend( zlibdata ) # send compressed data
|
|
|
|
else:
|
|
# send with RAW encoding
|
|
sendbuff.extend(enc.ENCODINGS.raw_send_image(x, y, w, h, image))
|
|
else:
|
|
print("[!] Unsupported BPP: %s" % self.bpp)
|
|
|
|
self.framebuffer = lastshot
|
|
try:
|
|
sock.sendall(sendbuff)
|
|
except:
|
|
# connection closed?
|
|
return False
|
|
sock.settimeout(stimeout)
|
|
#print("end SendRectangles")
|