54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
|
#
|
||
|
|
# This file is part of pyasn1-modules software.
|
||
|
|
#
|
||
|
|
# Copyright (c) 2005-2018, Ilya Etingof <etingof@gmail.com>
|
||
|
|
# License: http://snmplabs.com/pyasn1/license.html
|
||
|
|
#
|
||
|
|
# SNMPv3 message syntax
|
||
|
|
#
|
||
|
|
# ASN.1 source from:
|
||
|
|
# http://www.ietf.org/rfc/rfc3412.txt
|
||
|
|
#
|
||
|
|
from pyasn1.type import constraint
|
||
|
|
from pyasn1.type import namedtype
|
||
|
|
from pyasn1.type import univ
|
||
|
|
|
||
|
|
from pyasn1_modules import rfc1905
|
||
|
|
|
||
|
|
|
||
|
|
class ScopedPDU(univ.Sequence):
|
||
|
|
componentType = namedtype.NamedTypes(
|
||
|
|
namedtype.NamedType('contextEngineId', univ.OctetString()),
|
||
|
|
namedtype.NamedType('contextName', univ.OctetString()),
|
||
|
|
namedtype.NamedType('data', rfc1905.PDUs())
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class ScopedPduData(univ.Choice):
|
||
|
|
componentType = namedtype.NamedTypes(
|
||
|
|
namedtype.NamedType('plaintext', ScopedPDU()),
|
||
|
|
namedtype.NamedType('encryptedPDU', univ.OctetString()),
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class HeaderData(univ.Sequence):
|
||
|
|
componentType = namedtype.NamedTypes(
|
||
|
|
namedtype.NamedType('msgID',
|
||
|
|
univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(0, 2147483647))),
|
||
|
|
namedtype.NamedType('msgMaxSize',
|
||
|
|
univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(484, 2147483647))),
|
||
|
|
namedtype.NamedType('msgFlags', univ.OctetString().subtype(subtypeSpec=constraint.ValueSizeConstraint(1, 1))),
|
||
|
|
namedtype.NamedType('msgSecurityModel',
|
||
|
|
univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(1, 2147483647)))
|
||
|
|
)
|
||
|
|
|
||
|
|
|
||
|
|
class SNMPv3Message(univ.Sequence):
|
||
|
|
componentType = namedtype.NamedTypes(
|
||
|
|
namedtype.NamedType('msgVersion',
|
||
|
|
univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(0, 2147483647))),
|
||
|
|
namedtype.NamedType('msgGlobalData', HeaderData()),
|
||
|
|
namedtype.NamedType('msgSecurityParameters', univ.OctetString()),
|
||
|
|
namedtype.NamedType('msgData', ScopedPduData())
|
||
|
|
)
|