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https://github.com/skelsec/aardwolf
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skelsec
45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
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import io
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import enum
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from aardwolf.protocol.T124.userdata.constants import TS_UD_TYPE, ENCRYPTION_FLAG
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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_SEC:
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def __init__(self):
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self.type:TS_UD_TYPE = TS_UD_TYPE.CS_SECURITY
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self.length:int = None
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self.encryptionMethods:ENCRYPTION_FLAG = None
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self.extEncryptionMethods:ENCRYPTION_FLAG = None
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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 = self.encryptionMethods.value.to_bytes(4, byteorder='little', signed = False)
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t += self.extEncryptionMethods.value.to_bytes(4, byteorder='little', signed = False)
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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_SEC.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_SEC()
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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.encryptionMethods = ENCRYPTION_FLAG(int.from_bytes(buff.read(4), byteorder='little', signed = False))
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msg.extEncryptionMethods = ENCRYPTION_FLAG(int.from_bytes(buff.read(4), byteorder='little', signed = False))
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return msg
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def __repr__(self):
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t = '==== TS_UD_CS_SEC ====\r\n'
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for k in self.__dict__:
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if 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 |