Add RFC3779 (#24)

1 files changed, 112 insertions, 0 deletions

diff --git a/pyasn1_modules/rfc3779.py b/pyasn1_modules/rfc3779.py
new file mode 100644
index 0000000..aaf856e
--- /dev/null
+++ b/pyasn1_modules/rfc3779.py
@@ -0,0 +1,112 @@
+#
+# This file is part of pyasn1-modules software.
+#
+# Created by Russ Housley with assistance from asn1ate v.0.6.0.
+#
+# 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 univ, char, namedtype, namedval, tag, constraint, useful
+
+
+# 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)))
+)