## This file is part of Scapy
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## See http://www.secdev.org/projects/scapy for more informations
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## Copyright (C) Philippe Biondi <phil@secdev.org>
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## This program is published under a GPLv2 license
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"""
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Packet holding data in Abstract Syntax Notation (ASN.1).
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"""
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from __future__ import absolute_import
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from scapy.base_classes import Packet_metaclass
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from scapy.packet import Packet
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import scapy.modules.six as six
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class ASN1Packet_metaclass(Packet_metaclass):
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def __new__(cls, name, bases, dct):
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if dct["ASN1_root"] is not None:
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dct["fields_desc"] = dct["ASN1_root"].get_fields_list()
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return super(ASN1Packet_metaclass, cls).__new__(cls, name, bases, dct)
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class ASN1_Packet(six.with_metaclass(ASN1Packet_metaclass, Packet)):
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ASN1_root = None
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ASN1_codec = None
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def self_build(self):
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if self.raw_packet_cache is not None:
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return self.raw_packet_cache
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return self.ASN1_root.build(self)
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def do_dissect(self, x):
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return self.ASN1_root.dissect(self, x)
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