codekingpro/portable-devtools

1#2# This file is part of pyasn1-modules software.3#4# Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>5# License: http://snmplabs.com/pyasn1/license.html6#7# SNMPv1 message syntax8#9# ASN.1 source from:10# http://www.ietf.org/rfc/rfc1157.txt11#12# Sample captures from:13# http://wiki.wireshark.org/SampleCaptures/14#15from pyasn1.type import namedtype16from pyasn1.type import namedval17from pyasn1.type import tag18from pyasn1.type import univ19 20from pyasn1_modules import rfc115521 22 23class Version(univ.Integer):24    namedValues = namedval.NamedValues(25        ('version-1', 0)26    )27    defaultValue = 028 29 30class Community(univ.OctetString):31    pass32 33 34class RequestID(univ.Integer):35    pass36 37 38class ErrorStatus(univ.Integer):39    namedValues = namedval.NamedValues(40        ('noError', 0),41        ('tooBig', 1),42        ('noSuchName', 2),43        ('badValue', 3),44        ('readOnly', 4),45        ('genErr', 5)46    )47 48 49class ErrorIndex(univ.Integer):50    pass51 52 53class VarBind(univ.Sequence):54    componentType = namedtype.NamedTypes(55        namedtype.NamedType('name', rfc1155.ObjectName()),56        namedtype.NamedType('value', rfc1155.ObjectSyntax())57    )58 59 60class VarBindList(univ.SequenceOf):61    componentType = VarBind()62 63 64class _RequestBase(univ.Sequence):65    componentType = namedtype.NamedTypes(66        namedtype.NamedType('request-id', RequestID()),67        namedtype.NamedType('error-status', ErrorStatus()),68        namedtype.NamedType('error-index', ErrorIndex()),69        namedtype.NamedType('variable-bindings', VarBindList())70    )71 72 73class GetRequestPDU(_RequestBase):74    tagSet = _RequestBase.tagSet.tagImplicitly(75        tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 0)76    )77 78 79class GetNextRequestPDU(_RequestBase):80    tagSet = _RequestBase.tagSet.tagImplicitly(81        tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 1)82    )83 84 85class GetResponsePDU(_RequestBase):86    tagSet = _RequestBase.tagSet.tagImplicitly(87        tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 2)88    )89 90 91class SetRequestPDU(_RequestBase):92    tagSet = _RequestBase.tagSet.tagImplicitly(93        tag.Tag(tag.tagClassContext, tag.tagFormatConstructed, 3)94    )95 96 97class TrapPDU(univ.Sequence):98    componentType = namedtype.NamedTypes(99        namedtype.NamedType('enterprise', univ.ObjectIdentifier()),100        namedtype.NamedType('agent-addr', rfc1155.NetworkAddress()),101        namedtype.NamedType('generic-trap', univ.Integer().clone(102            namedValues=namedval.NamedValues(('coldStart', 0), ('warmStart', 1), ('linkDown', 2), ('linkUp', 3),103                                             ('authenticationFailure', 4), ('egpNeighborLoss', 5),104                                             ('enterpriseSpecific', 6)))),105        namedtype.NamedType('specific-trap', univ.Integer()),106        namedtype.NamedType('time-stamp', rfc1155.TimeTicks()),107        namedtype.NamedType('variable-bindings', VarBindList())108    )109 110 111class Pdus(univ.Choice):112    componentType = namedtype.NamedTypes(113        namedtype.NamedType('get-request', GetRequestPDU()),114        namedtype.NamedType('get-next-request', GetNextRequestPDU()),115        namedtype.NamedType('get-response', GetResponsePDU()),116        namedtype.NamedType('set-request', SetRequestPDU()),117        namedtype.NamedType('trap', TrapPDU())118    )119 120 121class Message(univ.Sequence):122    componentType = namedtype.NamedTypes(123        namedtype.NamedType('version', Version()),124        namedtype.NamedType('community', Community()),125        namedtype.NamedType('data', Pdus())126    )127