Method request

impacket/dcerpc/v5/rpcrt.py:1407–1439

(self, request, uuid=None, checkError=True)

            return self.send(DCERPC_RawCall(function, body, uuid))

    def request(self, request, uuid=None, checkError=True):
        if self.transfer_syntax == self.NDR64Syntax:
            request.changeTransferSyntax(self.NDR64Syntax)
            isNDR64 = True
        else:
            isNDR64 = False

        self.call(request.opnum, request, uuid)
        answer = self.recv()

        __import__(request.__module__)
        module = sys.modules[request.__module__]
        respClass = getattr(module, request.__class__.__name__ + 'Response')

        if  answer[-4:] != b'\x00\x00\x00\x00' and checkError is True:
            error_code = unpack('<L', answer[-4:])[0]
            if error_code in rpc_status_codes:
                # This is an error we can handle
                exception = DCERPCException(error_code = error_code)
            else:    
                sessionErrorClass = getattr(module, 'DCERPCSessionError')
                try:
                    # Try to unpack the answer, even if it is an error, it works most of the times
                    response =  respClass(answer, isNDR64 = isNDR64)
                except:
                    # No luck :(
                    exception = sessionErrorClass(error_code = error_code)
                else:
                    exception = sessionErrorClass(packet = response, error_code = error_code)
            raise exception
        else:
            response =  respClass(answer, isNDR64 = isNDR64)
            return response

class DCERPC_v4(DCERPC):
    pass