Files
rdpy/rdpy/protocol/rdp/rdp.py
2014-07-15 17:11:06 +02:00

305 lines
11 KiB
Python

#
# Copyright (c) 2014 Sylvain Peyrefitte
#
# This file is part of rdpy.
#
# rdpy 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/>.
#
"""
Use to manage RDP stack in twisted
"""
from twisted.internet import protocol
from rdpy.network.error import CallPureVirtualFuntion, InvalidValue
from rdpy.network.layer import LayerMode
import tpkt, tpdu, mcs, pdu
class RDPClientController(pdu.PDUClientListener):
"""
Manage RDP stack as client
"""
def __init__(self):
"""
@param observer: observer
"""
#list of observer
self._clientObserver = []
#PDU layer
self._pduLayer = pdu.PDU(self)
#multi channel service
self._mcsLayer = mcs.MCS(LayerMode.CLIENT, self._pduLayer)
#transport pdu layer
self._tpduLayer = tpdu.createClient(self._mcsLayer)
#transport packet (protocol layer)
self._tpktLayer = tpkt.TPKT(self._tpduLayer, self._pduLayer)
#is pdu layer is ready to send
self._isReady = False
def getProtocol(self):
"""
@return: return Protocol layer for twisted
In case of RDP TPKT is the Raw layer
"""
return self._tpktLayer
def setPerformanceSession(self):
"""
Set particular flag in RDP stack to avoid wall-paper, theme, menu animation etc...
"""
self._pduLayer._info.extendedInfo.performanceFlags.value = pdu.PerfFlag.PERF_DISABLE_WALLPAPER | pdu.PerfFlag.PERF_DISABLE_MENUANIMATIONS | pdu.PerfFlag.PERF_DISABLE_CURSOR_SHADOW | pdu.PerfFlag.PERF_DISABLE_THEMING
def setScreen(self, width, height):
"""
Set screen dim of session
@param width: width in pixel of screen
@param height: height in pixel of screen
"""
#set screen definition in MCS layer
self._mcsLayer._clientSettings.core.desktopHeight.value = height
self._mcsLayer._clientSettings.core.desktopWidth.value = width
def setUsername(self, username):
"""
Set the username for session
@param username: username of session
"""
#username in PDU info packet
self._pduLayer._info.userName.value = username
def setPassword(self, password):
"""
Set password for session
@param password: password of session
"""
self._pduLayer._info.password.value = password
def setDomain(self, domain):
"""
Set the windows domain of session
@param domain: domain of session
"""
self._pduLayer._info.domain.value = domain
def addClientObserver(self, observer):
"""
Add observer to RDP protocol
@param observer: new observer to add
"""
self._clientObserver.append(observer)
observer._clientListener = self
def onUpdate(self, rectangles):
"""
Call when a bitmap data is received from update PDU
@param rectangles: [pdu.BitmapData] struct
"""
for observer in self._clientObserver:
#for each rectangle in update PDU
for rectangle in rectangles:
observer.onUpdate(rectangle.destLeft.value, rectangle.destTop.value, rectangle.destRight.value, rectangle.destBottom.value, rectangle.width.value, rectangle.height.value, rectangle.bitsPerPixel.value, rectangle.flags.value & pdu.BitmapFlag.BITMAP_COMPRESSION, rectangle.bitmapDataStream.value)
def onReady(self):
"""
Call when PDU layer is connected
"""
self._isReady = True
#signal all listener
for observer in self._clientObserver:
observer.onReady()
def sendPointerEvent(self, x, y, button, isPressed):
"""
send pointer events
@param x: x position of pointer
@param y: y position of pointer
@param button: 1 or 2 or 3
@param isPressed: true if button is pressed or false if it's released
"""
if not self._isReady:
return
try:
event = pdu.PointerEvent()
if isPressed:
event.pointerFlags.value |= pdu.PointerFlag.PTRFLAGS_DOWN
if button == 1:
event.pointerFlags.value |= pdu.PointerFlag.PTRFLAGS_BUTTON1
elif button == 2:
event.pointerFlags.value |= pdu.PointerFlag.PTRFLAGS_BUTTON2
elif button == 3:
event.pointerFlags.value |= pdu.PointerFlag.PTRFLAGS_BUTTON3
else:
event.pointerFlags.value |= pdu.PointerFlag.PTRFLAGS_MOVE
#position
event.xPos.value = x
event.yPos.value = y
#send proper event
self._pduLayer.sendInputEvents([event])
except InvalidValue:
print "try send pointer event with incorrect position"
def sendKeyEventScancode(self, code, isPressed):
"""
Send a scan code to RDP stack
@param code: scan code
@param isPressed: True if key is pressed and false if it's released
"""
if not self._isReady:
return
try:
event = pdu.ScancodeKeyEvent()
event.keyCode.value = code
if isPressed:
event.keyboardFlags.value |= pdu.KeyboardFlag.KBDFLAGS_DOWN
else:
event.keyboardFlags.value |= pdu.KeyboardFlag.KBDFLAGS_RELEASE
#send event
self._pduLayer.sendInputEvents([event])
except InvalidValue:
print "try send bad key event"
def sendKeyEventUnicode(self, code, isPressed):
"""
Send a scan code to RDP stack
@param code: unicode
@param isPressed: True if key is pressed and false if it's released
"""
if not self._isReady:
return
try:
event = pdu.UnicodeKeyEvent()
event.unicode.value = code
if not isPressed:
event.keyboardFlags.value |= pdu.KeyboardFlag.KBDFLAGS_RELEASE
#send event
self._pduLayer.sendInputEvents([event])
except InvalidValue:
print "try send bad key event"
class RDPServerController(pdu.PDUServerListener):
"""
Controller use in server side mode
"""
def __init__(self, privateKeyFileName, certificateFileName):
"""
@param privateKeyFileName: file contain server private key
@param certficiateFileName: file that contain public key
"""
self._pduLayer = pdu.PDU(self)
#multi channel service
self._mcsLayer = mcs.MCS(LayerMode.SERVER, self._pduLayer)
#transport pdu layer
self._tpduLayer = tpdu.createServer(self._mcsLayer, privateKeyFileName, certificateFileName)
#transport packet (protocol layer)
self._tpktLayer = tpkt.TPKT(self._tpduLayer, self._pduLayer)
def getProtocol(self):
"""
@return: the twisted protocol layer
in RDP case is TPKT layer
"""
return self._tpktLayer;
class ClientFactory(protocol.Factory):
"""
Factory of Client RDP protocol
"""
def buildProtocol(self, addr):
"""
Function call from twisted and build rdp protocol stack
@param addr: destination address
"""
controller = RDPClientController()
self.buildObserver(controller)
return controller.getProtocol();
def buildObserver(self, controller):
'''
build observer use for connection
'''
raise CallPureVirtualFuntion("%s:%s defined by interface %s"%(self.__class__, "buildObserver", "ClientFactory"))
class ServerFactory(protocol.Factory):
"""
Factory of Server RDP protocol
"""
def __init__(self, privateKeyFileName, certificateFileName):
"""
@param privateKeyFileName: file contain server private key
@param certficiateFileName: file that contain publi key
"""
self._privateKeyFileName = privateKeyFileName
self._certificateFileName = certificateFileName
def buildProtocol(self, addr):
"""
Function call from twisted and build rdp protocol stack
@param addr: destination address
"""
controller = RDPServerController(self._privateKeyFileName, self._certificateFileName)
return controller.getProtocol()
#pduLayer = pdu.PDU(pdu.PDUServerListener())
#return tpkt.TPKT(tpdu.createServer(mcs.createServer(pduLayer), self._privateKeyFileName, self._certificateFileName));
def buildObserver(self, controller):
"""
Build observer use for connection
@param controller: RDP stack controller
"""
raise CallPureVirtualFuntion("%s:%s defined by interface %s"%(self.__class__, "buildObserver", "ServerFactory"))
class RDPClientObserver(object):
"""
Class use to inform all RDP event handle by RDPY
"""
def __init__(self, controller):
"""
@param controller: RDP controller use to interact with protocol
"""
self._controller = controller
self._controller.addClientObserver(self)
def onReady(self):
"""
Stack is ready and connected
"""
raise CallPureVirtualFuntion("%s:%s defined by interface %s"%(self.__class__, "onReady", "RDPClientObserver"))
def onUpdate(self, destLeft, destTop, destRight, destBottom, width, height, bitsPerPixel, isCompress, data):
"""
Notify bitmap update
@param destLeft: xmin position
@param destTop: ymin position
@param destRight: xmax position because RDP can send bitmap with padding
@param destBottom: ymax position because RDP can send bitmap with padding
@param width: width of bitmap
@param height: height of bitmap
@param bitsPerPixel: number of bit per pixel
@param isCompress: use RLE compression
@param data: bitmap data
"""
raise CallPureVirtualFuntion("%s:%s defined by interface %s"%(self.__class__, "onUpdate", "RDPClientObserver"))