You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89 lines
2.3 KiB
89 lines
2.3 KiB
2 years ago
|
#
|
||
|
|
# This file is part of pyasn1-modules software.
|
||
|
|
#
|
||
|
|
# Created by Russ Housley with assistance from asn1ate v.0.6.0.
|
||
|
|
# Modified by Russ Housley to add maps for use with opentypes.
|
||
|
|
#
|
||
|
|
# Copyright (c) 2019, Vigil Security, LLC
|
||
|
|
# License: http://snmplabs.com/pyasn1/license.html
|
||
|
|
#
|
||
|
|
# Certificate Extension for CMS Content Constraints (CCC)
|
||
|
|
#
|
||
|
|
# ASN.1 source from:
|
||
|
|
# https://www.rfc-editor.org/rfc/rfc6010.txt
|
||
|
|
#
|
||
|
|
|
||
|
|
from pyasn1.type import constraint
|
||
|
|
from pyasn1.type import namedtype
|
||
|
|
from pyasn1.type import namedval
|
||
|
|
from pyasn1.type import univ
|
||
|
|
|
||
|
|
from pyasn1_modules import rfc5280
|
||
|
|
|
||
|
|
MAX = float('inf')
|
||
|
|
|
||
|
|
|
||
|
|
AttributeType = rfc5280.AttributeType
|
||
|
|
|
||
|
|
AttributeValue = rfc5280.AttributeValue
|
||
|
|
|
||
|
|
|
||
|
|
id_ct_anyContentType = univ.ObjectIdentifier('1.2.840.113549.1.9.16.1.0')
|
||
|
|
|
||
|
|
|
||
|
|
class AttrConstraint(univ.Sequence):
|
||
|
|
pass
|
||
|
|
|
||
|
|
AttrConstraint.componentType = namedtype.NamedTypes(
|
||
|
|
namedtype.NamedType('attrType', AttributeType()),
|
||
|
|
namedtype.NamedType('attrValues', univ.SetOf(
|
||
|
|
componentType=AttributeValue()).subtype(subtypeSpec=constraint.ValueSizeConstraint(1, MAX)))
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class AttrConstraintList(univ.SequenceOf):
|
||
|
|
pass
|
||
|
|
|
||
|
|
AttrConstraintList.componentType = AttrConstraint()
|
||
|
|
AttrConstraintList.subtypeSpec=constraint.ValueSizeConstraint(1, MAX)
|
||
|
|
|
||
|
|
|
||
|
|
class ContentTypeGeneration(univ.Enumerated):
|
||
|
|
pass
|
||
|
|
|
||
|
|
ContentTypeGeneration.namedValues = namedval.NamedValues(
|
||
|
|
('canSource', 0),
|
||
|
|
('cannotSource', 1)
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class ContentTypeConstraint(univ.Sequence):
|
||
|
|
pass
|
||
|
|
|
||
|
|
ContentTypeConstraint.componentType = namedtype.NamedTypes(
|
||
|
|
namedtype.NamedType('contentType', univ.ObjectIdentifier()),
|
||
|
|
namedtype.DefaultedNamedType('canSource', ContentTypeGeneration().subtype(value='canSource')),
|
||
|
|
namedtype.OptionalNamedType('attrConstraints', AttrConstraintList())
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
# CMS Content Constraints (CCC) Extension and Object Identifier
|
||
|
|
|
||
|
|
id_pe_cmsContentConstraints = univ.ObjectIdentifier('1.3.6.1.5.5.7.1.18')
|
||
|
|
|
||
|
|
class CMSContentConstraints(univ.SequenceOf):
|
||
|
|
pass
|
||
|
|
|
||
|
|
CMSContentConstraints.componentType = ContentTypeConstraint()
|
||
|
|
CMSContentConstraints.subtypeSpec=constraint.ValueSizeConstraint(1, MAX)
|
||
|
|
|
||
|
|
|
||
|
|
# Map of Certificate Extension OIDs to Extensions
|
||
|
|
# To be added to the ones that are in rfc5280.py
|
||
|
|
|
||
|
|
_certificateExtensionsMap = {
|
||
|
|
id_pe_cmsContentConstraints: CMSContentConstraints(),
|
||
|
|
}
|
||
|
|
|
||
|
|
rfc5280.certificateExtensionsMap.update(_certificateExtensionsMap)
|