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