| # |
| # 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 |
| # |
| # X.509 Extensions for IP Addresses and AS Identifiers |
| # |
| # ASN.1 source from: |
| # https://www.rfc-editor.org/rfc/rfc3779.txt |
| # |
| |
| from pyasn1.type import constraint |
| from pyasn1.type import namedtype |
| from pyasn1.type import tag |
| from pyasn1.type import univ |
| |
| from pyasn1_modules import rfc5280 |
| |
| |
| # IP Address Delegation Extension |
| |
| id_pe_ipAddrBlocks = univ.ObjectIdentifier('1.3.6.1.5.5.7.1.7') |
| |
| |
| class IPAddress(univ.BitString): |
| pass |
| |
| |
| class IPAddressRange(univ.Sequence): |
| pass |
| |
| IPAddressRange.componentType = namedtype.NamedTypes( |
| namedtype.NamedType('min', IPAddress()), |
| namedtype.NamedType('max', IPAddress()) |
| ) |
| |
| |
| class IPAddressOrRange(univ.Choice): |
| pass |
| |
| IPAddressOrRange.componentType = namedtype.NamedTypes( |
| namedtype.NamedType('addressPrefix', IPAddress()), |
| namedtype.NamedType('addressRange', IPAddressRange()) |
| ) |
| |
| |
| class IPAddressChoice(univ.Choice): |
| pass |
| |
| IPAddressChoice.componentType = namedtype.NamedTypes( |
| namedtype.NamedType('inherit', univ.Null()), |
| namedtype.NamedType('addressesOrRanges', univ.SequenceOf( |
| componentType=IPAddressOrRange()) |
| ) |
| ) |
| |
| |
| class IPAddressFamily(univ.Sequence): |
| pass |
| |
| IPAddressFamily.componentType = namedtype.NamedTypes( |
| namedtype.NamedType('addressFamily', univ.OctetString().subtype( |
| subtypeSpec=constraint.ValueSizeConstraint(2, 3))), |
| namedtype.NamedType('ipAddressChoice', IPAddressChoice()) |
| ) |
| |
| |
| class IPAddrBlocks(univ.SequenceOf): |
| pass |
| |
| IPAddrBlocks.componentType = IPAddressFamily() |
| |
| |
| # Autonomous System Identifier Delegation Extension |
| |
| id_pe_autonomousSysIds = univ.ObjectIdentifier('1.3.6.1.5.5.7.1.8') |
| |
| |
| class ASId(univ.Integer): |
| pass |
| |
| |
| class ASRange(univ.Sequence): |
| pass |
| |
| ASRange.componentType = namedtype.NamedTypes( |
| namedtype.NamedType('min', ASId()), |
| namedtype.NamedType('max', ASId()) |
| ) |
| |
| |
| class ASIdOrRange(univ.Choice): |
| pass |
| |
| ASIdOrRange.componentType = namedtype.NamedTypes( |
| namedtype.NamedType('id', ASId()), |
| namedtype.NamedType('range', ASRange()) |
| ) |
| |
| |
| class ASIdentifierChoice(univ.Choice): |
| pass |
| |
| ASIdentifierChoice.componentType = namedtype.NamedTypes( |
| namedtype.NamedType('inherit', univ.Null()), |
| namedtype.NamedType('asIdsOrRanges', univ.SequenceOf( |
| componentType=ASIdOrRange()) |
| ) |
| ) |
| |
| |
| class ASIdentifiers(univ.Sequence): |
| pass |
| |
| ASIdentifiers.componentType = namedtype.NamedTypes( |
| namedtype.OptionalNamedType('asnum', ASIdentifierChoice().subtype( |
| explicitTag=tag.Tag(tag.tagClassContext, |
| tag.tagFormatConstructed, 0))), |
| namedtype.OptionalNamedType('rdi', ASIdentifierChoice().subtype( |
| explicitTag=tag.Tag(tag.tagClassContext, |
| tag.tagFormatConstructed, 1))) |
| ) |
| |
| |
| # Map of Certificate Extension OIDs to Extensions is added to the |
| # ones that are in rfc5280.py |
| |
| _certificateExtensionsMapUpdate = { |
| id_pe_ipAddrBlocks: IPAddrBlocks(), |
| id_pe_autonomousSysIds: ASIdentifiers(), |
| } |
| |
| rfc5280.certificateExtensionsMap.update(_certificateExtensionsMapUpdate) |