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Diffstat (limited to 'python/pyasn1-modules/pyasn1_modules/rfc1905.py')
-rw-r--r-- | python/pyasn1-modules/pyasn1_modules/rfc1905.py | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/python/pyasn1-modules/pyasn1_modules/rfc1905.py b/python/pyasn1-modules/pyasn1_modules/rfc1905.py new file mode 100644 index 000000000..bec60f8e3 --- /dev/null +++ b/python/pyasn1-modules/pyasn1_modules/rfc1905.py @@ -0,0 +1,100 @@ +# +# SNMPv2c PDU syntax +# +# ASN.1 source from: +# http://www.ietf.org/rfc/rfc1905.txt +# +from pyasn1.type import univ, namedtype, namedval, tag, constraint +from pyasn1_modules import rfc1902 + +max_bindings = rfc1902.Integer(2147483647) + +class _BindValue(univ.Choice): + componentType = namedtype.NamedTypes( + namedtype.NamedType('value', rfc1902.ObjectSyntax()), + namedtype.NamedType('unSpecified', univ.Null()), + namedtype.NamedType('noSuchObject', univ.Null().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 0))), + namedtype.NamedType('noSuchInstance', univ.Null().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 1))), + namedtype.NamedType('endOfMibView', univ.Null().subtype(implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 2))) + ) + +class VarBind(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('name', rfc1902.ObjectName()), + namedtype.NamedType('', _BindValue()) + ) + +class VarBindList(univ.SequenceOf): + componentType = VarBind() + subtypeSpec = univ.SequenceOf.subtypeSpec + constraint.ValueSizeConstraint( + 0, max_bindings + ) + +class PDU(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('request-id', rfc1902.Integer32()), + namedtype.NamedType('error-status', univ.Integer(namedValues=namedval.NamedValues(('noError', 0), ('tooBig', 1), ('noSuchName', 2), ('badValue', 3), ('readOnly', 4), ('genErr', 5), ('noAccess', 6), ('wrongType', 7), ('wrongLength', 8), ('wrongEncoding', 9), ('wrongValue', 10), ('noCreation', 11), ('inconsistentValue', 12), ('resourceUnavailable', 13), ('commitFailed', 14), ('undoFailed', 15), ('authorizationError', 16), ('notWritable', 17), ('inconsistentName', 18)))), + namedtype.NamedType('error-index', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(0, max_bindings))), + namedtype.NamedType('variable-bindings', VarBindList()) + ) + +class BulkPDU(univ.Sequence): + componentType = namedtype.NamedTypes( + namedtype.NamedType('request-id', rfc1902.Integer32()), + namedtype.NamedType('non-repeaters', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(0, max_bindings))), + namedtype.NamedType('max-repetitions', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(0, max_bindings))), + namedtype.NamedType('variable-bindings', VarBindList()) + ) + +class GetRequestPDU(PDU): + tagSet = PDU.tagSet.tagImplicitly( + tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0) + ) + +class GetNextRequestPDU(PDU): + tagSet = PDU.tagSet.tagImplicitly( + tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1) + ) + +class ResponsePDU(PDU): + tagSet = PDU.tagSet.tagImplicitly( + tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2) + ) + +class SetRequestPDU(PDU): + tagSet = PDU.tagSet.tagImplicitly( + tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 3) + ) + +class GetBulkRequestPDU(BulkPDU): + tagSet = PDU.tagSet.tagImplicitly( + tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 5) + ) + +class InformRequestPDU(PDU): + tagSet = PDU.tagSet.tagImplicitly( + tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 6) + ) + +class SNMPv2TrapPDU(PDU): + tagSet = PDU.tagSet.tagImplicitly( + tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 7) + ) + +class ReportPDU(PDU): + tagSet = PDU.tagSet.tagImplicitly( + tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 8) + ) + +class PDUs(univ.Choice): + componentType = namedtype.NamedTypes( + namedtype.NamedType('get-request', GetRequestPDU()), + namedtype.NamedType('get-next-request', GetNextRequestPDU()), + namedtype.NamedType('get-bulk-request', GetBulkRequestPDU()), + namedtype.NamedType('response', ResponsePDU()), + namedtype.NamedType('set-request', SetRequestPDU()), + namedtype.NamedType('inform-request', InformRequestPDU()), + namedtype.NamedType('snmpV2-trap', SNMPv2TrapPDU()), + namedtype.NamedType('report', ReportPDU()) + ) + |