mirror of
https://github.com/skelsec/aardwolf
synced 2026-06-08 17:28:11 +00:00
skelsec
84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
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import io
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from typing import List
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import enum
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from aardwolf.protocol.T124.userdata.constants import TS_UD_TYPE, ChannelOption
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class CHANNEL_DEF:
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def __init__(self):
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self.name:str = None
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self.options:ChannelOption = None
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def to_bytes(self):
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name = self.name.encode('ascii')
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name = name.ljust(8,b'\x00')
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t = name
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t += self.options.to_bytes(4, byteorder='big', signed = False)
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return t
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@staticmethod
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def from_bytes(bbuff: bytes):
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return CHANNEL_DEF.from_buffer(io.BytesIO(bbuff))
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@staticmethod
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def from_buffer(buff: io.BytesIO):
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msg = CHANNEL_DEF()
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msg.name = buff.read(8).decode('ascii').replace('\x00','')
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msg.options = ChannelOption(int.from_bytes(buff.read(4), byteorder='big', signed = False))
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return msg
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def __repr__(self):
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t = '==== CHANNEL_DEF ====\r\n'
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for k in self.__dict__:
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if isinstance(self.__dict__[k], enum.IntFlag):
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value = self.__dict__[k]
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elif isinstance(self.__dict__[k], enum.Enum):
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value = self.__dict__[k].name
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else:
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value = self.__dict__[k]
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t += '%s: %s\r\n' % (k, value)
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return t
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# https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-rdpbcgr/6b58e11e-a32b-4903-b736-339f3cfe46ec
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class TS_UD_CS_NET:
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def __init__(self):
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self.type:TS_UD_TYPE = TS_UD_TYPE.CS_NET
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self.length:int = None
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self.channelCount:int = None
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self.channelDefArray:List[CHANNEL_DEF] = []
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def to_bytes(self):
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def finish(t):
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t = (len(t)+4).to_bytes(2, byteorder='little', signed = False) + t
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t = self.type.value.to_bytes(2, byteorder='little', signed = False) + t
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return t
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t = len(self.channelDefArray).to_bytes(4, byteorder='little', signed = False)
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for cd in self.channelDefArray:
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t += cd.to_bytes()
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return finish(t)
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@staticmethod
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def from_bytes(bbuff: bytes):
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return TS_UD_CS_NET.from_buffer(io.BytesIO(bbuff))
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@staticmethod
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def from_buffer(buff: io.BytesIO):
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msg = TS_UD_CS_NET()
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msg.type = TS_UD_TYPE(int.from_bytes(buff.read(2), byteorder='little', signed = False))
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msg.length = int.from_bytes(buff.read(2), byteorder='little', signed = False)
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msg.channelCount = int.from_bytes(buff.read(4), byteorder='little', signed = False)
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for _ in range(msg.channelCount):
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msg.channelDefArray.append(CHANNEL_DEF.from_buffer(buff))
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return msg
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def __repr__(self):
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t = '==== TS_UD_CS_NET ====\r\n'
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for k in self.__dict__:
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if isinstance(self.__dict__[k], enum.IntFlag):
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value = self.__dict__[k]
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elif isinstance(self.__dict__[k], enum.Enum):
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value = self.__dict__[k].name
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else:
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value = self.__dict__[k]
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t += '%s: %s\r\n' % (k, value)
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return t |