Class ASN1F_STRING_ENCAPS

scapy/asn1fields.py:1010–1036

ASN1F_STRING that encapsulates a single ASN1 packet.

class ASN1F_STRING_ENCAPS(ASN1F_STRING_PacketField):
    """
    ASN1F_STRING that encapsulates a single ASN1 packet.
    """

    def __init__(self,
                 name,  # type: str
                 default,  # type: Optional[ASN1_Packet]
                 cls,  # type: Type[ASN1_Packet]
                 context=None,  # type: Optional[Any]
                 implicit_tag=None,  # type: Optional[int]
                 explicit_tag=None,  # type: Optional[int]
                 ):
        # type: (...) -> None
        self.cls = cls
        super(ASN1F_STRING_ENCAPS, self).__init__(
            name,
            default and bytes(default),  # type: ignore
            context=context,
            implicit_tag=implicit_tag,
            explicit_tag=explicit_tag
        )

    def m2i(self, pkt, s):  # type: ignore
        # type: (ASN1_Packet, bytes) -> Tuple[ASN1_Packet, bytes]
        val = super(ASN1F_STRING_ENCAPS, self).m2i(pkt, s)
        return self.cls(val[0].val, _underlayer=pkt), val[1]