Class Dot15d4Data

scapy/layers/dot15d4.py:225–261

class Dot15d4Data(Packet):
    name = "802.15.4 Data"
    fields_desc = [
        XLEShortField("dest_panid", 0xFFFF),
        dot15d4AddressField("dest_addr", 0xFFFF, length_of="fcf_destaddrmode"),
        ConditionalField(XLEShortField("src_panid", 0x0),
                         lambda pkt:util_srcpanid_present(pkt)),
        ConditionalField(dot15d4AddressField("src_addr", None, length_of="fcf_srcaddrmode"),  # noqa: E501
                         lambda pkt:pkt.underlayer.getfieldval("fcf_srcaddrmode") != 0),  # noqa: E501
        # Security field present if fcf_security == True
        ConditionalField(PacketField("aux_sec_header", Dot15d4AuxSecurityHeader(), Dot15d4AuxSecurityHeader),  # noqa: E501
                         lambda pkt:pkt.underlayer.getfieldval("fcf_security") is True),  # noqa: E501
    ]

    def guess_payload_class(self, payload):
        # TODO: See how it's done in wireshark:
        # https://github.com/wireshark/wireshark/blob/93c60b3b7c801dddd11d8c7f2a0ea4b7d02d700a/epan/dissectors/packet-ieee802154.c#L2061  # noqa: E501
        # it's too magic to me
        from scapy.layers.sixlowpan import SixLoWPAN
        from scapy.layers.zigbee import ZigbeeNWK
        if conf.dot15d4_protocol == "sixlowpan":
            return SixLoWPAN
        elif conf.dot15d4_protocol == "zigbee":
            return ZigbeeNWK
        else:
            if conf.dot15d4_protocol is None:
                _msg = "Please set conf.dot15d4_protocol to select a " + \
                       "802.15.4 protocol. Values must be in the list: "
            else:
                _msg = "Unknown conf.dot15d4_protocol value: must be in "
            warning(_msg +
                    "['sixlowpan', 'zigbee']" +
                    " Defaulting to SixLoWPAN")
            return SixLoWPAN

    def mysummary(self):
        return self.sprintf("802.15.4 Data ( %Dot15d4Data.src_panid%:%Dot15d4Data.src_addr% -> %Dot15d4Data.dest_panid%:%Dot15d4Data.dest_addr% )")  # noqa: E501


class Dot15d4Beacon(Packet):