Class SourceMACField

scapy/layers/l2.py:227–247

class SourceMACField(MACField):
    __slots__ = ["getif"]

    def __init__(self, name, getif=None):
        # type: (str, Optional[Any]) -> None
        MACField.__init__(self, name, None)
        self.getif = (lambda pkt: pkt.route()[0]) if getif is None else getif

    def i2h(self, pkt, x):
        # type: (Optional[Packet], Optional[str]) -> str
        if x is None:
            iff = self.getif(pkt)
            if iff:
                x = resolve_iface(iff).mac
            if x is None:
                x = "00:00:00:00:00:00"
        return super(SourceMACField, self).i2h(pkt, x)

    def i2m(self, pkt, x):
        # type: (Optional[Packet], Optional[Any]) -> bytes
        return super(SourceMACField, self).i2m(pkt, self.i2h(pkt, x))


# Layers