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#
# This file is part of pysnmp software.
#
# Copyright (c) 2005-2016, Ilya Etingof <ilya@glas.net>
# License: http://pysnmp.sf.net/license.html
#
from pyasn1.compat.octets import null
from pysnmp.carrier.asyncore.dgram import udp, udp6, unix
from pysnmp.proto.secmod.rfc3414.auth import hmacmd5, hmacsha, noauth
from pysnmp.proto.secmod.rfc3414.priv import des, nopriv
from pysnmp.proto.secmod.rfc3826.priv import aes
from pysnmp.proto.secmod.eso.priv import des3, aes192, aes256
from pysnmp.proto import rfc1905
from pysnmp import error
# A shortcut to popular constants
# Transports
snmpUDPDomain = udp.snmpUDPDomain
snmpUDP6Domain = udp6.snmpUDP6Domain
snmpLocalDomain = unix.snmpLocalDomain
# Auth protocol
usmHMACMD5AuthProtocol = hmacmd5.HmacMd5.serviceID
usmHMACSHAAuthProtocol = hmacsha.HmacSha.serviceID
usmNoAuthProtocol = noauth.NoAuth.serviceID
# Privacy protocol
usmDESPrivProtocol = des.Des.serviceID
usm3DESEDEPrivProtocol = des3.Des3.serviceID
usmAesCfb128Protocol = aes.Aes.serviceID
usmAesCfb192Protocol = aes192.Aes192.serviceID
usmAesCfb256Protocol = aes256.Aes256.serviceID
usmNoPrivProtocol = nopriv.NoPriv.serviceID
# Auth services
authServices = {hmacmd5.HmacMd5.serviceID: hmacmd5.HmacMd5(),
hmacsha.HmacSha.serviceID: hmacsha.HmacSha(),
noauth.NoAuth.serviceID: noauth.NoAuth()}
# Privacy services
privServices = {des.Des.serviceID: des.Des(),
des3.Des3.serviceID: des3.Des3(),
aes.Aes.serviceID: aes.Aes(),
aes192.Aes192.serviceID: aes192.Aes192(),
aes256.Aes256.serviceID: aes256.Aes256(),
nopriv.NoPriv.serviceID: nopriv.NoPriv()}
def __cookV1SystemInfo(snmpEngine, communityIndex):
snmpEngineID, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('__SNMP-FRAMEWORK-MIB', 'snmpEngineID')
snmpCommunityEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-COMMUNITY-MIB', 'snmpCommunityEntry')
tblIdx = snmpCommunityEntry.getInstIdFromIndices(communityIndex)
return snmpCommunityEntry, tblIdx, snmpEngineID
def addV1System(snmpEngine, communityIndex, communityName,
contextEngineId=None, contextName=None,
transportTag=None, securityName=None):
(snmpCommunityEntry, tblIdx,
snmpEngineID) = __cookV1SystemInfo(snmpEngine, communityIndex)
if contextEngineId is None:
contextEngineId = snmpEngineID.syntax
else:
contextEngineId = snmpEngineID.syntax.clone(contextEngineId)
if contextName is None:
contextName = null
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpCommunityEntry.name + (8,) + tblIdx, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpCommunityEntry.name + (1,) + tblIdx, communityIndex),
(snmpCommunityEntry.name + (2,) + tblIdx, communityName),
(snmpCommunityEntry.name + (3,) + tblIdx, securityName is not None and securityName or communityIndex),
(snmpCommunityEntry.name + (4,) + tblIdx, contextEngineId),
(snmpCommunityEntry.name + (5,) + tblIdx, contextName),
(snmpCommunityEntry.name + (6,) + tblIdx, transportTag),
(snmpCommunityEntry.name + (7,) + tblIdx, 'nonVolatile'),
(snmpCommunityEntry.name + (8,) + tblIdx, 'createAndGo'))
)
def delV1System(snmpEngine, communityIndex):
(snmpCommunityEntry, tblIdx,
snmpEngineID) = __cookV1SystemInfo(snmpEngine, communityIndex)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpCommunityEntry.name + (8,) + tblIdx, 'destroy'),)
)
def __cookV3UserInfo(snmpEngine, securityName, securityEngineId):
snmpEngineID, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('__SNMP-FRAMEWORK-MIB', 'snmpEngineID')
if securityEngineId is None:
snmpEngineID = snmpEngineID.syntax
else:
snmpEngineID = snmpEngineID.syntax.clone(securityEngineId)
usmUserEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-USER-BASED-SM-MIB', 'usmUserEntry')
tblIdx1 = usmUserEntry.getInstIdFromIndices(snmpEngineID, securityName)
pysnmpUsmSecretEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('PYSNMP-USM-MIB', 'pysnmpUsmSecretEntry')
tblIdx2 = pysnmpUsmSecretEntry.getInstIdFromIndices(securityName)
return snmpEngineID, usmUserEntry, tblIdx1, pysnmpUsmSecretEntry, tblIdx2
def addV3User(snmpEngine, userName,
authProtocol=usmNoAuthProtocol, authKey=None,
privProtocol=usmNoPrivProtocol, privKey=None,
securityEngineId=None,
securityName=None,
# deprecated parameters follow
contextEngineId=None):
if securityName is None:
securityName = userName
if securityEngineId is None: # backward compatibility
securityEngineId = contextEngineId
(snmpEngineID, usmUserEntry, tblIdx1, pysnmpUsmSecretEntry,
tblIdx2) = __cookV3UserInfo(snmpEngine, userName, securityEngineId)
# Load augmenting table before creating new row in base one
pysnmpUsmKeyEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('PYSNMP-USM-MIB', 'pysnmpUsmKeyEntry')
# Load clone-from (may not be needed)
zeroDotZero, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMPv2-SMI', 'zeroDotZero')
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((usmUserEntry.name + (13,) + tblIdx1, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((usmUserEntry.name + (2,) + tblIdx1, userName),
(usmUserEntry.name + (3,) + tblIdx1, securityName),
(usmUserEntry.name + (4,) + tblIdx1, zeroDotZero.name),
(usmUserEntry.name + (5,) + tblIdx1, authProtocol),
(usmUserEntry.name + (8,) + tblIdx1, privProtocol),
(usmUserEntry.name + (13,) + tblIdx1, 'createAndGo'))
)
# Localize keys
if authProtocol in authServices:
hashedAuthPassphrase = authServices[authProtocol].hashPassphrase(
authKey and authKey or null
)
localAuthKey = authServices[authProtocol].localizeKey(
hashedAuthPassphrase, snmpEngineID
)
else:
raise error.PySnmpError('Unknown auth protocol %s' % (authProtocol,))
if privProtocol in privServices:
hashedPrivPassphrase = privServices[privProtocol].hashPassphrase(
authProtocol, privKey and privKey or null
)
localPrivKey = privServices[privProtocol].localizeKey(
authProtocol, hashedPrivPassphrase, snmpEngineID
)
else:
raise error.PySnmpError('Unknown priv protocol %s' % (privProtocol,))
# Commit localized keys
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((pysnmpUsmKeyEntry.name + (1,) + tblIdx1, localAuthKey),
(pysnmpUsmKeyEntry.name + (2,) + tblIdx1, localPrivKey),
(pysnmpUsmKeyEntry.name + (3,) + tblIdx1, hashedAuthPassphrase),
(pysnmpUsmKeyEntry.name + (4,) + tblIdx1, hashedPrivPassphrase))
)
# Commit passphrases
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((pysnmpUsmSecretEntry.name + (4,) + tblIdx2, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((pysnmpUsmSecretEntry.name + (1,) + tblIdx2, userName),
(pysnmpUsmSecretEntry.name + (2,) + tblIdx2, authKey),
(pysnmpUsmSecretEntry.name + (3,) + tblIdx2, privKey),
(pysnmpUsmSecretEntry.name + (4,) + tblIdx2, 'createAndGo'))
)
def delV3User(snmpEngine,
userName,
securityEngineId=None,
# deprecated parameters follow
contextEngineId=None):
if securityEngineId is None: # backward compatibility
securityEngineId = contextEngineId
(snmpEngineID, usmUserEntry, tblIdx1, pysnmpUsmSecretEntry,
tblIdx2) = __cookV3UserInfo(snmpEngine, userName, securityEngineId)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((usmUserEntry.name + (13,) + tblIdx1, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((pysnmpUsmSecretEntry.name + (4,) + tblIdx2, 'destroy'),)
)
# Drop all derived rows
varBinds = initialVarBinds = (
(usmUserEntry.name + (1,), None), # usmUserEngineID
(usmUserEntry.name + (2,), None), # usmUserName
(usmUserEntry.name + (4,), None) # usmUserCloneFrom
)
while varBinds:
varBinds = snmpEngine.msgAndPduDsp.mibInstrumController.readNextVars(
varBinds
)
if varBinds[0][1].isSameTypeWith(rfc1905.endOfMibView):
break
if varBinds[0][0][:len(initialVarBinds[0][0])] != initialVarBinds[0][0]:
break
elif varBinds[2][1] == tblIdx1: # cloned from this entry
delV3User(snmpEngine, varBinds[1][1], varBinds[0][1])
varBinds = initialVarBinds
def __cookTargetParamsInfo(snmpEngine, name):
snmpTargetParamsEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-TARGET-MIB', 'snmpTargetParamsEntry')
tblIdx = snmpTargetParamsEntry.getInstIdFromIndices(name)
return snmpTargetParamsEntry, tblIdx
# mpModel: 0 == SNMPv1, 1 == SNMPv2c, 3 == SNMPv3
def addTargetParams(snmpEngine, name, securityName, securityLevel, mpModel=3):
if mpModel == 0:
securityModel = 1
elif mpModel in (1, 2):
securityModel = 2
elif mpModel == 3:
securityModel = 3
else:
raise error.PySnmpError('Unknown MP model %s' % mpModel)
snmpTargetParamsEntry, tblIdx = __cookTargetParamsInfo(snmpEngine, name)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpTargetParamsEntry.name + (7,) + tblIdx, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpTargetParamsEntry.name + (1,) + tblIdx, name),
(snmpTargetParamsEntry.name + (2,) + tblIdx, mpModel),
(snmpTargetParamsEntry.name + (3,) + tblIdx, securityModel),
(snmpTargetParamsEntry.name + (4,) + tblIdx, securityName),
(snmpTargetParamsEntry.name + (5,) + tblIdx, securityLevel),
(snmpTargetParamsEntry.name + (7,) + tblIdx, 'createAndGo'))
)
def delTargetParams(snmpEngine, name):
snmpTargetParamsEntry, tblIdx = __cookTargetParamsInfo(snmpEngine, name)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpTargetParamsEntry.name + (7,) + tblIdx, 'destroy'),)
)
def __cookTargetAddrInfo(snmpEngine, addrName):
snmpTargetAddrEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-TARGET-MIB', 'snmpTargetAddrEntry')
snmpSourceAddrEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('PYSNMP-SOURCE-MIB', 'snmpSourceAddrEntry')
tblIdx = snmpTargetAddrEntry.getInstIdFromIndices(addrName)
return snmpTargetAddrEntry, snmpSourceAddrEntry, tblIdx
def addTargetAddr(snmpEngine, addrName, transportDomain, transportAddress,
params, timeout=None, retryCount=None, tagList=null,
sourceAddress=None):
(snmpTargetAddrEntry, snmpSourceAddrEntry,
tblIdx) = __cookTargetAddrInfo(snmpEngine, addrName)
if transportDomain[:len(snmpUDPDomain)] == snmpUDPDomain:
SnmpUDPAddress, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMPv2-TM', 'SnmpUDPAddress')
transportAddress = SnmpUDPAddress(transportAddress)
if sourceAddress is None:
sourceAddress = ('0.0.0.0', 0)
sourceAddress = SnmpUDPAddress(sourceAddress)
elif transportDomain[:len(snmpUDP6Domain)] == snmpUDP6Domain:
TransportAddressIPv6, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('TRANSPORT-ADDRESS-MIB', 'TransportAddressIPv6')
transportAddress = TransportAddressIPv6(transportAddress)
if sourceAddress is None:
sourceAddress = ('::', 0)
sourceAddress = TransportAddressIPv6(sourceAddress)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpTargetAddrEntry.name + (9,) + tblIdx, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpTargetAddrEntry.name + (1,) + tblIdx, addrName),
(snmpTargetAddrEntry.name + (2,) + tblIdx, transportDomain),
(snmpTargetAddrEntry.name + (3,) + tblIdx, transportAddress),
(snmpTargetAddrEntry.name + (4,) + tblIdx, timeout),
(snmpTargetAddrEntry.name + (5,) + tblIdx, retryCount),
(snmpTargetAddrEntry.name + (6,) + tblIdx, tagList),
(snmpTargetAddrEntry.name + (7,) + tblIdx, params),
(snmpSourceAddrEntry.name + (1,) + tblIdx, sourceAddress),
(snmpTargetAddrEntry.name + (9,) + tblIdx, 'createAndGo'))
)
def delTargetAddr(snmpEngine, addrName):
(snmpTargetAddrEntry, snmpSourceAddrEntry,
tblIdx) = __cookTargetAddrInfo(snmpEngine, addrName)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpTargetAddrEntry.name + (9,) + tblIdx, 'destroy'),)
)
def addTransport(snmpEngine, transportDomain, transport):
if snmpEngine.transportDispatcher:
if not transport.isCompatibleWithDispatcher(snmpEngine.transportDispatcher):
raise error.PySnmpError('Transport %r is not compatible with dispatcher %r' % (transport, snmpEngine.transportDispatcher))
else:
snmpEngine.registerTransportDispatcher(
transport.protoTransportDispatcher()
)
# here we note that we have created transportDispatcher automatically
snmpEngine.setUserContext(automaticTransportDispatcher=0)
snmpEngine.transportDispatcher.registerTransport(transportDomain,
transport)
automaticTransportDispatcher = snmpEngine.getUserContext(
'automaticTransportDispatcher'
)
if automaticTransportDispatcher is not None:
snmpEngine.setUserContext(
automaticTransportDispatcher=automaticTransportDispatcher+1
)
def getTransport(snmpEngine, transportDomain):
if not snmpEngine.transportDispatcher:
return
try:
return snmpEngine.transportDispatcher.getTransport(transportDomain)
except error.PySnmpError:
return
def delTransport(snmpEngine, transportDomain):
if not snmpEngine.transportDispatcher:
return
transport = getTransport(snmpEngine, transportDomain)
snmpEngine.transportDispatcher.unregisterTransport(transportDomain)
# automatically shutdown automatically created transportDispatcher
automaticTransportDispatcher = snmpEngine.getUserContext(
'automaticTransportDispatcher'
)
if automaticTransportDispatcher is not None:
automaticTransportDispatcher -= 1
snmpEngine.setUserContext(
automaticTransportDispatcher=automaticTransportDispatcher
)
if not automaticTransportDispatcher:
snmpEngine.transportDispatcher.closeDispatcher()
snmpEngine.unregisterTransportDispatcher()
snmpEngine.delUserContext(automaticTransportDispatcher)
return transport
addSocketTransport = addTransport
delSocketTransport = delTransport
# VACM shortcuts
def addContext(snmpEngine, contextName):
vacmContextEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols(
'SNMP-VIEW-BASED-ACM-MIB', 'vacmContextEntry'
)
tblIdx = vacmContextEntry.getInstIdFromIndices(contextName)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmContextEntry.name + (1,) + tblIdx, contextName),)
)
def __cookVacmGroupInfo(snmpEngine, securityModel, securityName):
vacmSecurityToGroupEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols(
'SNMP-VIEW-BASED-ACM-MIB', 'vacmSecurityToGroupEntry'
)
tblIdx = vacmSecurityToGroupEntry.getInstIdFromIndices(securityModel,
securityName)
return vacmSecurityToGroupEntry, tblIdx
def addVacmGroup(snmpEngine, groupName, securityModel, securityName):
(vacmSecurityToGroupEntry,
tblIdx) = __cookVacmGroupInfo(snmpEngine, securityModel, securityName)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmSecurityToGroupEntry.name + (5,) + tblIdx, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmSecurityToGroupEntry.name + (1,) + tblIdx, securityModel),
(vacmSecurityToGroupEntry.name + (2,) + tblIdx, securityName),
(vacmSecurityToGroupEntry.name + (3,) + tblIdx, groupName),
(vacmSecurityToGroupEntry.name + (5,) + tblIdx, 'createAndGo'))
)
def delVacmGroup(snmpEngine, securityModel, securityName):
vacmSecurityToGroupEntry, tblIdx = __cookVacmGroupInfo(
snmpEngine, securityModel, securityName
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmSecurityToGroupEntry.name + (5,) + tblIdx, 'destroy'),)
)
def __cookVacmAccessInfo(snmpEngine, groupName, contextName, securityModel,
securityLevel):
vacmAccessEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-VIEW-BASED-ACM-MIB', 'vacmAccessEntry')
tblIdx = vacmAccessEntry.getInstIdFromIndices(groupName, contextName,
securityModel, securityLevel)
return vacmAccessEntry, tblIdx
def addVacmAccess(snmpEngine, groupName, contextName, securityModel,
securityLevel, prefix, readView, writeView, notifyView):
vacmAccessEntry, tblIdx = __cookVacmAccessInfo(snmpEngine, groupName,
contextName, securityModel,
securityLevel)
addContext(snmpEngine, contextName) # this is leaky
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmAccessEntry.name + (9,) + tblIdx, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmAccessEntry.name + (1,) + tblIdx, contextName),
(vacmAccessEntry.name + (2,) + tblIdx, securityModel),
(vacmAccessEntry.name + (3,) + tblIdx, securityLevel),
(vacmAccessEntry.name + (4,) + tblIdx, prefix),
(vacmAccessEntry.name + (5,) + tblIdx, readView),
(vacmAccessEntry.name + (6,) + tblIdx, writeView),
(vacmAccessEntry.name + (7,) + tblIdx, notifyView),
(vacmAccessEntry.name + (9,) + tblIdx, 'createAndGo'))
)
def delVacmAccess(snmpEngine, groupName, contextName, securityModel,
securityLevel):
vacmAccessEntry, tblIdx = __cookVacmAccessInfo(snmpEngine, groupName,
contextName, securityModel,
securityLevel)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmAccessEntry.name + (9,) + tblIdx, 'destroy'),)
)
def __cookVacmViewInfo(snmpEngine, viewName, subTree):
vacmViewTreeFamilyEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols(
'SNMP-VIEW-BASED-ACM-MIB', 'vacmViewTreeFamilyEntry'
)
tblIdx = vacmViewTreeFamilyEntry.getInstIdFromIndices(viewName, subTree)
return vacmViewTreeFamilyEntry, tblIdx
def addVacmView(snmpEngine, viewName, viewType, subTree, mask):
vacmViewTreeFamilyEntry, tblIdx = __cookVacmViewInfo(snmpEngine, viewName,
subTree)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmViewTreeFamilyEntry.name + (6,) + tblIdx, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmViewTreeFamilyEntry.name + (1,) + tblIdx, viewName),
(vacmViewTreeFamilyEntry.name + (2,) + tblIdx, subTree),
(vacmViewTreeFamilyEntry.name + (3,) + tblIdx, mask),
(vacmViewTreeFamilyEntry.name + (4,) + tblIdx, viewType),
(vacmViewTreeFamilyEntry.name + (6,) + tblIdx, 'createAndGo'))
)
def delVacmView(snmpEngine, viewName, subTree):
vacmViewTreeFamilyEntry, tblIdx = __cookVacmViewInfo(snmpEngine, viewName,
subTree)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((vacmViewTreeFamilyEntry.name + (6,) + tblIdx, 'destroy'),)
)
# VACM simplicity wrappers
def __cookVacmUserInfo(snmpEngine, securityModel, securityName, securityLevel):
groupName = 'v-%s-%d' % (hash(securityName), securityModel)
SnmpSecurityLevel, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-FRAMEWORK-MIB', 'SnmpSecurityLevel')
securityLevel = SnmpSecurityLevel(securityLevel)
return (groupName, securityLevel,
'r' + groupName, 'w' + groupName, 'n' + groupName)
def addVacmUser(snmpEngine, securityModel, securityName, securityLevel,
readSubTree=(), writeSubTree=(), notifySubTree=(),
contextName=null):
(groupName, securityLevel, readView, writeView,
notifyView) = __cookVacmUserInfo(snmpEngine, securityModel, securityName,
securityLevel)
addVacmGroup(snmpEngine, groupName, securityModel, securityName)
addVacmAccess(snmpEngine, groupName, contextName, securityModel,
securityLevel, 1, readView, writeView, notifyView)
if readSubTree:
addVacmView(snmpEngine, readView, "included", readSubTree, null)
if writeSubTree:
addVacmView(snmpEngine, writeView, "included", writeSubTree, null)
if notifySubTree:
addVacmView(snmpEngine, notifyView, "included", notifySubTree, null)
def delVacmUser(snmpEngine, securityModel, securityName, securityLevel,
readSubTree=(), writeSubTree=(), notifySubTree=()):
(groupName, securityLevel, readView, writeView,
notifyView) = __cookVacmUserInfo(snmpEngine, securityModel,
securityName, securityLevel)
delVacmGroup(snmpEngine, securityModel, securityName)
delVacmAccess(snmpEngine, groupName, null, securityModel, securityLevel)
if readSubTree:
delVacmView(
snmpEngine, readView, readSubTree
)
if writeSubTree:
delVacmView(
snmpEngine, writeView, writeSubTree
)
if notifySubTree:
delVacmView(
snmpEngine, notifyView, notifySubTree
)
# Obsolete shortcuts for add/delVacmUser() wrappers
def addRoUser(snmpEngine, securityModel, securityName, securityLevel, subTree):
addVacmUser(snmpEngine, securityModel, securityName,
securityLevel, subTree)
def delRoUser(snmpEngine, securityModel, securityName, securityLevel, subTree):
delVacmUser(snmpEngine, securityModel, securityName, securityLevel,
subTree)
def addRwUser(snmpEngine, securityModel, securityName, securityLevel, subTree):
addVacmUser(snmpEngine, securityModel, securityName, securityLevel,
subTree, subTree)
def delRwUser(snmpEngine, securityModel, securityName, securityLevel, subTree):
delVacmUser(snmpEngine, securityModel, securityName, securityLevel,
subTree, subTree)
def addTrapUser(snmpEngine, securityModel, securityName,
securityLevel, subTree):
addVacmUser(snmpEngine, securityModel, securityName, securityLevel,
(), (), subTree)
def delTrapUser(snmpEngine, securityModel, securityName,
securityLevel, subTree):
delVacmUser(snmpEngine, securityModel, securityName, securityLevel,
(), (), subTree)
# Notification target setup
def __cookNotificationTargetInfo(snmpEngine, notificationName, paramsName,
filterSubtree=None):
snmpNotifyEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-NOTIFICATION-MIB', 'snmpNotifyEntry')
tblIdx1 = snmpNotifyEntry.getInstIdFromIndices(notificationName)
snmpNotifyFilterProfileEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-NOTIFICATION-MIB', 'snmpNotifyFilterProfileEntry')
tblIdx2 = snmpNotifyFilterProfileEntry.getInstIdFromIndices(paramsName)
profileName = '%s-filter' % hash(notificationName)
if filterSubtree:
snmpNotifyFilterEntry, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMP-NOTIFICATION-MIB', 'snmpNotifyFilterEntry')
tblIdx3 = snmpNotifyFilterEntry.getInstIdFromIndices(profileName,
filterSubtree)
else:
snmpNotifyFilterEntry = tblIdx3 = None
return (snmpNotifyEntry, tblIdx1,
snmpNotifyFilterProfileEntry, tblIdx2, profileName,
snmpNotifyFilterEntry, tblIdx3)
def addNotificationTarget(snmpEngine, notificationName, paramsName,
transportTag, notifyType=None, filterSubtree=None,
filterMask=None, filterType=None):
(snmpNotifyEntry, tblIdx1, snmpNotifyFilterProfileEntry, tblIdx2,
profileName, snmpNotifyFilterEntry,
tblIdx3) = __cookNotificationTargetInfo(snmpEngine, notificationName,
paramsName, filterSubtree)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyEntry.name + (5,) + tblIdx1, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyEntry.name + (2,) + tblIdx1, transportTag),
(snmpNotifyEntry.name + (3,) + tblIdx1, notifyType),
(snmpNotifyEntry.name + (5,) + tblIdx1, 'createAndGo'))
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyFilterProfileEntry.name + (3,) + tblIdx2, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyFilterProfileEntry.name + (1,) + tblIdx2, profileName),
(snmpNotifyFilterProfileEntry.name + (3,) + tblIdx2, 'createAndGo'))
)
if not snmpNotifyFilterEntry:
return
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyFilterEntry.name + (5,) + tblIdx3, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyFilterEntry.name + (1,) + tblIdx3, filterSubtree),
(snmpNotifyFilterEntry.name + (2,) + tblIdx3, filterMask),
(snmpNotifyFilterEntry.name + (3,) + tblIdx3, filterType),
(snmpNotifyFilterEntry.name + (5,) + tblIdx3, 'createAndGo'))
)
def delNotificationTarget(snmpEngine, notificationName, paramsName,
filterSubtree=None):
(snmpNotifyEntry, tblIdx1, snmpNotifyFilterProfileEntry,
tblIdx2, profileName, snmpNotifyFilterEntry,
tblIdx3) = __cookNotificationTargetInfo(snmpEngine, notificationName,
paramsName, filterSubtree)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyEntry.name + (5,) + tblIdx1, 'destroy'),)
)
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyFilterProfileEntry.name + (3,) + tblIdx2, 'destroy'),)
)
if not snmpNotifyFilterEntry:
return
snmpEngine.msgAndPduDsp.mibInstrumController.writeVars(
((snmpNotifyFilterEntry.name + (5,) + tblIdx3, 'destroy'),)
)
# rfc3415: A.1
def setInitialVacmParameters(snmpEngine):
# rfc3415: A.1.1 --> initial-semi-security-configuration
# rfc3415: A.1.2
addContext(snmpEngine, "")
# rfc3415: A.1.3
addVacmGroup(snmpEngine, "initial", 3, "initial")
# rfc3415: A.1.4
addVacmAccess(snmpEngine, "initial", "", 3, "noAuthNoPriv", "exact",
"restricted", None, "restricted")
addVacmAccess(snmpEngine, "initial", "", 3, "authNoPriv", "exact",
"internet", "internet", "internet")
addVacmAccess(snmpEngine, "initial", "", 3, "authPriv", "exact",
"internet", "internet", "internet")
# rfc3415: A.1.5 (semi-secure)
addVacmView(snmpEngine, "internet",
"included", (1, 3, 6, 1), "")
addVacmView(snmpEngine, "restricted",
"included", (1, 3, 6, 1, 2, 1, 1), "")
addVacmView(snmpEngine, "restricted",
"included", (1, 3, 6, 1, 2, 1, 11), "")
addVacmView(snmpEngine, "restricted",
"included", (1, 3, 6, 1, 6, 3, 10, 2, 1), "")
addVacmView(snmpEngine, "restricted",
"included", (1, 3, 6, 1, 6, 3, 11, 2, 1), "")
addVacmView(snmpEngine, "restricted",
"included", (1, 3, 6, 1, 6, 3, 15, 1, 1), "")