Function _SMBStrNullField

scapy/layers/smb.py:292–306

Returns a StrNullField that is either normal or UTF-16 depending on the SMB headers.

(name, default)

def _SMBStrNullField(name, default):
    """
    Returns a StrNullField that is either normal or UTF-16 depending
    on the SMB headers.
    """

    def _isUTF16(pkt):
        while not hasattr(pkt, "Flags2") and pkt.underlayer:
            pkt = pkt.underlayer
        return hasattr(pkt, "Flags2") and pkt.Flags2.UNICODE

    return MultipleTypeField(
        [(StrNullFieldUtf16(name, default), _isUTF16)],
        StrNullField(name, default),
    )


def _len(pkt, name):