Files
rdpy/rdpy/protocol/rdp/gcc.py
sylvain d73cb63777 bug
2013-10-23 22:23:20 +02:00

249 lines
7.9 KiB
Python

'''
@author sylvain
@summary gcc language
@contact: http://msdn.microsoft.com/en-us/library/cc240510.aspx
'''
from rdpy.utils.const import ConstAttributes
from rdpy.protocol.network.type import *
import per
t124_02_98_oid = ( 0, 0, 20, 124, 0, 1 )
h221_cs_key = "Duca";
h221_sc_key = "McDn";
@ConstAttributes
class ServerToClientMessage(object):
SC_CORE = UInt16Le(0x0C01)
SC_SECURITY = UInt16Le(0x0C02)
SC_NET = UInt16Le(0x0C03)
@ConstAttributes
class ClientToServerMessage(object):
'''
Client to Server message
'''
CS_CORE = UInt16Le(0xC001)
CS_SECURITY = UInt16Le(0xC002)
CS_NET = UInt16Le(0xC003)
CS_CLUSTER = UInt16Le(0xC004)
CS_MONITOR = UInt16Le(0xC005)
@ConstAttributes
class ColorDepth(object):
'''
depth color
'''
RNS_UD_COLOR_8BPP = UInt16Le(0xCA01)
RNS_UD_COLOR_16BPP_555 = UInt16Le(0xCA02)
RNS_UD_COLOR_16BPP_565 = UInt16Le(0xCA03)
RNS_UD_COLOR_24BPP = UInt16Le(0xCA04)
@ConstAttributes
class HighColor(object):
'''
high color of client
'''
HIGH_COLOR_4BPP = UInt16Le(0x0004)
HIGH_COLOR_8BPP = UInt16Le(0x0008)
HIGH_COLOR_15BPP = UInt16Le(0x000f)
HIGH_COLOR_16BPP = UInt16Le(0x0010)
HIGH_COLOR_24BPP = UInt16Le(0x0018)
@ConstAttributes
class Support(object):
'''
support depth flag
'''
RNS_UD_24BPP_SUPPORT = UInt16Le(0x0001)
RNS_UD_16BPP_SUPPORT = UInt16Le(0x0002)
RNS_UD_15BPP_SUPPORT = UInt16Le(0x0004)
RNS_UD_32BPP_SUPPORT = UInt16Le(0x0008)
@ConstAttributes
class CapabilityFlags(object):
'''
@contact: http://msdn.microsoft.com/en-us/library/cc240510.aspx
for more details on each flags click above
'''
RNS_UD_CS_SUPPORT_ERRINFO_PDU = UInt16Le(0x0001)
RNS_UD_CS_WANT_32BPP_SESSION = UInt16Le(0x0002)
RNS_UD_CS_SUPPORT_STATUSINFO_PDU = UInt16Le(0x0004)
RNS_UD_CS_STRONG_ASYMMETRIC_KEYS = UInt16Le(0x0008)
RN_UD_CS_UNUSED = UInt16Le(0x0010)
RNS_UD_CS_VALID_CONNECTION_TYPE = UInt16Le(0x0020)
RNS_UD_CS_SUPPORT_MONITOR_LAYOUT_PDU = UInt16Le(0x0040)
RNS_UD_CS_SUPPORT_NETCHAR_AUTODETECT = UInt16Le(0x0080)
RNS_UD_CS_SUPPORT_DYNVC_GFX_PROTOCOL = UInt16Le(0x0100)
RNS_UD_CS_SUPPORT_DYNAMIC_TIME_ZONE = UInt16Le(0x0200)
RNS_UD_CS_SUPPORT_HEARTBEAT_PDU = UInt16Le(0x0400)
@ConstAttributes
class ConnectionType(object):
'''
this information is correct if
RNS_UD_CS_VALID_CONNECTION_TYPE flag is set on capabilityFlag
@contact: http://msdn.microsoft.com/en-us/library/cc240510.aspx
'''
CONNECTION_TYPE_MODEM = UInt8(0x01)
CONNECTION_TYPE_BROADBAND_LOW = UInt8(0x02)
CONNECTION_TYPE_SATELLITE = UInt8(0x03)
CONNECTION_TYPE_BROADBAND_HIGH = UInt8(0x04)
CONNECTION_TYPE_WAN = UInt8(0x05)
CONNECTION_TYPE_LAN = UInt8(0x06)
CONNECTION_TYPE_AUTODETECT = UInt8(0x07)
@ConstAttributes
class Version(object):
'''
supported version of RDP
'''
RDP_VERSION_4 = UInt32Le(0x00080001)
RDP_VERSION_5_PLUS = UInt32Le(0x00080004)
@ConstAttributes
class Sequence(object):
RNS_UD_SAS_DEL = UInt16Le(0xAA03)
@ConstAttributes
class Encryption(object):
'''
encryption method supported
@deprecated: because rdpy use ssl but need to send to server...
'''
ENCRYPTION_FLAG_40BIT = UInt32Le(0x00000001)
ENCRYPTION_FLAG_128BIT = UInt32Le(0x00000002)
ENCRYPTION_FLAG_56BIT = UInt32Le(0x00000008)
FIPS_ENCRYPTION_FLAG = UInt32Le(0x00000010)
class ClientCoreSettings(CompositeType):
'''
class that represent core setting of client
'''
def __init__(self):
CompositeType.__init__(self)
self.rdpVersion = Version.RDP_VERSION_5_PLUS
self.desktopWidth = UInt16Le(1280)
self.desktopHeight = UInt16Le(1024)
self.colorDepth = ColorDepth.RNS_UD_COLOR_8BPP
self.sasSequence = Sequence.RNS_UD_SAS_DEL
self.kbdLayout = UInt32Le(0x409)
self.clientBuild = UInt32Le(3790)
self.clientName = UniString("rdpy" + "\x00"*11)
self.keyboardType = UInt32Le(4)
self.keyboardSubType = UInt32Le(0)
self.keyboardFnKeys = UInt32Le(12)
self.imeFileName = String("\x00"*64)
self.postBeta2ColorDepth = ColorDepth.RNS_UD_COLOR_8BPP
self.clientProductId = UInt16Le(1)
self.serialNumber = UInt32Le(0)
self.highColorDepth = HighColor.HIGH_COLOR_24BPP
self.supportedColorDepths = Support.RNS_UD_24BPP_SUPPORT | Support.RNS_UD_16BPP_SUPPORT | Support.RNS_UD_15BPP_SUPPORT
self.earlyCapabilityFlags = CapabilityFlags.RNS_UD_CS_SUPPORT_ERRINFO_PDU
self.clientDigProductId = String("\x00"*64)
self.connectionType = UInt8()
self.pad1octet = UInt8()
self.serverSelectedProtocol = UInt32Le()
class ServerCoreSettings(CompositeType):
'''
server side core settings structure
'''
def __init__(self):
CompositeType.__init__(self)
self.rdpVersion = Version.RDP_VERSION_5_PLUS
class ClientSecuritySettings(CompositeType):
'''
client security setting
@deprecated: because we use ssl
'''
def __init__(self):
CompositeType.__init__(self)
self.encryptionMethods = UInt32Le()
self.extEncryptionMethods = UInt32Le()
class Channel(object):
'''
channels structure share between
client and server
'''
def __init__(self):
#name of channel
self.name = ""
#unknown
self.options = 0
#id of channel
self.channelId = 0
#True if channel is connect
self.connect = False
class ClientSettings(object):
'''
class which group all client settings supported by RDPY
'''
def __init__(self):
self.core = ClientCoreSettings()
#list of Channel read network gcc packet
self.networkChannels = []
self.security = ClientSecuritySettings()
def writeConferenceCreateRequest(settings):
'''
write conference create request structure
@param settings: ClientSettings
@return: struct that represent
'''
userData = writeClientDataBlocks(settings)
userDataStream = Stream()
userDataStream.writeType(userData)
return (per.writeChoice(0), per.writeObjectIdentifier(t124_02_98_oid),
per.writeLength(len(userDataStream.getvalue()) + 14), per.writeChoice(0),
per.writeSelection(0x08), per.writeNumericString("1", 1), per.writePadding(1),
per.writeNumberOfSet(1), per.writeChoice(0xc0),
per.writeOctetStream(h221_cs_key, 4), per.writeOctetStream(userDataStream.getvalue()))
def writeClientDataBlocks(settings):
'''
write all blocks for client
and return gcc valid structure
@param settings: ClientSettings
'''
return (writeClientCoreData(settings.core),
writeClientNetworkData(settings.networkChannels),
writeClientSecurityData(settings.security))
def writeClientCoreData(core):
'''
write client settings in GCC language
@param settings: ClientSettings structure
@return: structure that represent client data blocks
'''
return (ClientToServerMessage.CS_CORE, UInt16Le(sizeof(core) + 4), core)
def writeClientSecurityData(security):
'''
write security header block and security structure
@param security: ClientSecuritySettings
@return: gcc client security data
'''
return (ClientToServerMessage.CS_SECURITY, UInt16Le(sizeof(security) + 4), security)
def writeClientNetworkData(channels):
'''
write network packet whith channels infos
@param channels: list of Channel
@return: gcc network packet
'''
if len(channels) == 0:
return ()
result = []
result.append(UInt32Le(len(channels)))
for channel in channels:
result.append((String(channel.name[0:8] + "\x00" * (8 - len(channel.name))), UInt32Le(channel.options)))
resultPacket = tuple(result)
return (ClientToServerMessage.CS_NET, UInt16Le(sizeof(resultPacket) + 4), resultPacket)