mirror of
https://github.com/skelsec/aardwolf
synced 2026-06-08 17:28:11 +00:00
skelsec
58 lines
2.0 KiB
Python
58 lines
2.0 KiB
Python
|
|
import io
|
|
import enum
|
|
from aardwolf.protocol.T124.userdata.constants import TS_UD_TYPE, RNS_UD_SC
|
|
|
|
# https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-rdpbcgr/379a020e-9925-4b4f-98f3-7d634e10b411
|
|
class TS_UD_SC_CORE:
|
|
def __init__(self):
|
|
self.type:TS_UD_TYPE = TS_UD_TYPE.SC_CORE
|
|
self.length:int = None
|
|
self.version:int = None
|
|
self.clientRequestedProtocols:int = None
|
|
self.earlyCapabilityFlags:RNS_UD_SC = None
|
|
|
|
def to_bytes(self):
|
|
def finish(t):
|
|
t = (len(t)+4).to_bytes(2, byteorder='little', signed = False) + t
|
|
t = self.type.value.to_bytes(2, byteorder='little', signed = False) + t
|
|
return t
|
|
t = self.version.to_bytes(4, byteorder='little', signed = False)
|
|
t += self.clientRequestedProtocols.to_bytes(4, byteorder='little', signed = False)
|
|
t += self.earlyCapabilityFlags.to_bytes(4, byteorder='little', signed = False)
|
|
return finish(t)
|
|
|
|
@staticmethod
|
|
def from_bytes(bbuff: bytes):
|
|
return TS_UD_SC_CORE.from_buffer(io.BytesIO(bbuff))
|
|
|
|
@staticmethod
|
|
def from_buffer(buff: io.BytesIO):
|
|
def is_end(buff, start, size):
|
|
return buff.tell() - start >= size
|
|
start = buff.tell()
|
|
msg = TS_UD_SC_CORE()
|
|
msg.type = TS_UD_TYPE(int.from_bytes(buff.read(2), byteorder='little', signed = False))
|
|
msg.length = int.from_bytes(buff.read(2), byteorder='little', signed = False)
|
|
if is_end(buff,start, msg.length):
|
|
return msg
|
|
msg.version = int.from_bytes(buff.read(4), byteorder='little', signed = False)
|
|
if is_end(buff,start, msg.length):
|
|
return msg
|
|
msg.clientRequestedProtocols = int.from_bytes(buff.read(4), byteorder='little', signed = False)
|
|
if is_end(buff,start, msg.length):
|
|
return msg
|
|
msg.earlyCapabilityFlags = RNS_UD_SC(int.from_bytes(buff.read(4), byteorder='little', signed = False))
|
|
if is_end(buff,start, msg.length):
|
|
return msg
|
|
return msg
|
|
|
|
def __repr__(self):
|
|
t = '==== TS_UD_SC_CORE ====\r\n'
|
|
for k in self.__dict__:
|
|
if isinstance(self.__dict__[k], enum.Enum):
|
|
value = self.__dict__[k].name
|
|
else:
|
|
value = self.__dict__[k]
|
|
t += '%s: %s\r\n' % (k, value)
|
|
return t |