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Diffstat (limited to 'third_party/python/pyasn1-modules/pyasn1_modules/rfc1902.py')
-rw-r--r-- | third_party/python/pyasn1-modules/pyasn1_modules/rfc1902.py | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/third_party/python/pyasn1-modules/pyasn1_modules/rfc1902.py b/third_party/python/pyasn1-modules/pyasn1_modules/rfc1902.py new file mode 100644 index 0000000000..5e9307e528 --- /dev/null +++ b/third_party/python/pyasn1-modules/pyasn1_modules/rfc1902.py @@ -0,0 +1,126 @@ +# +# This file is part of pyasn1-modules software. +# +# Copyright (c) 2005-2017, Ilya Etingof <etingof@gmail.com> +# License: http://pyasn1.sf.net/license.html +# +# SNMPv2c message syntax +# +# ASN.1 source from: +# http://www.ietf.org/rfc/rfc1902.txt +# +from pyasn1.type import univ, namedtype, tag, constraint + + +class Integer(univ.Integer): + subtypeSpec = univ.Integer.subtypeSpec + constraint.ValueRangeConstraint( + -2147483648, 2147483647 + ) + + +class Integer32(univ.Integer): + subtypeSpec = univ.Integer.subtypeSpec + constraint.ValueRangeConstraint( + -2147483648, 2147483647 + ) + + +class OctetString(univ.OctetString): + subtypeSpec = univ.Integer.subtypeSpec + constraint.ValueSizeConstraint( + 0, 65535 + ) + + +class IpAddress(univ.OctetString): + tagSet = univ.OctetString.tagSet.tagImplicitly( + tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0x00) + ) + subtypeSpec = univ.OctetString.subtypeSpec + constraint.ValueSizeConstraint( + 4, 4 + ) + + +class Counter32(univ.Integer): + tagSet = univ.Integer.tagSet.tagImplicitly( + tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0x01) + ) + subtypeSpec = univ.Integer.subtypeSpec + constraint.ValueRangeConstraint( + 0, 4294967295 + ) + + +class Gauge32(univ.Integer): + tagSet = univ.Integer.tagSet.tagImplicitly( + tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0x02) + ) + subtypeSpec = univ.Integer.subtypeSpec + constraint.ValueRangeConstraint( + 0, 4294967295 + ) + + +class Unsigned32(univ.Integer): + tagSet = univ.Integer.tagSet.tagImplicitly( + tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0x02) + ) + subtypeSpec = univ.Integer.subtypeSpec + constraint.ValueRangeConstraint( + 0, 4294967295 + ) + + +class TimeTicks(univ.Integer): + tagSet = univ.Integer.tagSet.tagImplicitly( + tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0x03) + ) + subtypeSpec = univ.Integer.subtypeSpec + constraint.ValueRangeConstraint( + 0, 4294967295 + ) + + +class Opaque(univ.OctetString): + tagSet = univ.OctetString.tagSet.tagImplicitly( + tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0x04) + ) + + +class Counter64(univ.Integer): + tagSet = univ.Integer.tagSet.tagImplicitly( + tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0x06) + ) + subtypeSpec = univ.Integer.subtypeSpec + constraint.ValueRangeConstraint( + 0, 18446744073709551615 + ) + + +class Bits(univ.OctetString): + pass + + +class ObjectName(univ.ObjectIdentifier): + pass + + +class SimpleSyntax(univ.Choice): + componentType = namedtype.NamedTypes( + namedtype.NamedType('integer-value', Integer()), + namedtype.NamedType('string-value', OctetString()), + namedtype.NamedType('objectID-value', univ.ObjectIdentifier()) + ) + + +class ApplicationSyntax(univ.Choice): + componentType = namedtype.NamedTypes( + namedtype.NamedType('ipAddress-value', IpAddress()), + namedtype.NamedType('counter-value', Counter32()), + namedtype.NamedType('timeticks-value', TimeTicks()), + namedtype.NamedType('arbitrary-value', Opaque()), + namedtype.NamedType('big-counter-value', Counter64()), + # This conflicts with Counter32 + # namedtype.NamedType('unsigned-integer-value', Unsigned32()), + namedtype.NamedType('gauge32-value', Gauge32()) + ) # BITS misplaced? + + +class ObjectSyntax(univ.Choice): + componentType = namedtype.NamedTypes( + namedtype.NamedType('simple', SimpleSyntax()), + namedtype.NamedType('application-wide', ApplicationSyntax()) + ) |