/usr/lib/python3/dist-packages/pysnmp/entity/rfc3413/config.py is in python3-pysnmp4 4.4.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# This file is part of pysnmp software.
#
# Copyright (c) 2005-2017, Ilya Etingof <etingof@gmail.com>
# License: http://snmplabs.com/pysnmp/license.html
#
from pysnmp.smi.error import SmiError, NoSuchInstanceError
from pysnmp.entity import config
def getTargetAddr(snmpEngine, snmpTargetAddrName):
mibBuilder = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder
snmpTargetAddrEntry, = mibBuilder.importSymbols(
'SNMP-TARGET-MIB', 'snmpTargetAddrEntry'
)
cache = snmpEngine.getUserContext('getTargetAddr')
if cache is None:
cache = {'id': -1}
snmpEngine.setUserContext(getTargetAddr=cache)
if cache['id'] != snmpTargetAddrEntry.branchVersionId:
cache['nameToTargetMap'] = {}
nameToTargetMap = cache['nameToTargetMap']
if snmpTargetAddrName not in nameToTargetMap:
(snmpTargetAddrTDomain,
snmpTargetAddrTAddress,
snmpTargetAddrTimeout,
snmpTargetAddrRetryCount,
snmpTargetAddrParams) = mibBuilder.importSymbols(
'SNMP-TARGET-MIB', 'snmpTargetAddrTDomain',
'snmpTargetAddrTAddress', 'snmpTargetAddrTimeout',
'snmpTargetAddrRetryCount', 'snmpTargetAddrParams'
)
snmpSourceAddrTAddress, = mibBuilder.importSymbols('PYSNMP-SOURCE-MIB', 'snmpSourceAddrTAddress')
tblIdx = snmpTargetAddrEntry.getInstIdFromIndices(snmpTargetAddrName)
try:
snmpTargetAddrTDomain = snmpTargetAddrTDomain.getNode(
snmpTargetAddrTDomain.name + tblIdx
).syntax
snmpTargetAddrTAddress = snmpTargetAddrTAddress.getNode(
snmpTargetAddrTAddress.name + tblIdx
).syntax
snmpTargetAddrTimeout = snmpTargetAddrTimeout.getNode(
snmpTargetAddrTimeout.name + tblIdx
).syntax
snmpTargetAddrRetryCount = snmpTargetAddrRetryCount.getNode(
snmpTargetAddrRetryCount.name + tblIdx
).syntax
snmpTargetAddrParams = snmpTargetAddrParams.getNode(
snmpTargetAddrParams.name + tblIdx
).syntax
snmpSourceAddrTAddress = snmpSourceAddrTAddress.getNode(
snmpSourceAddrTAddress.name + tblIdx
).syntax
except NoSuchInstanceError:
raise SmiError('Target %s not configured to LCD' % snmpTargetAddrName)
transport = snmpEngine.transportDispatcher.getTransport(snmpTargetAddrTDomain)
if snmpTargetAddrTDomain[:len(config.snmpUDPDomain)] == config.snmpUDPDomain:
SnmpUDPAddress, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols('SNMPv2-TM',
'SnmpUDPAddress')
snmpTargetAddrTAddress = transport.addressType(
SnmpUDPAddress(snmpTargetAddrTAddress)
).setLocalAddress(SnmpUDPAddress(snmpSourceAddrTAddress))
elif snmpTargetAddrTDomain[:len(config.snmpUDP6Domain)] == config.snmpUDP6Domain:
TransportAddressIPv6, = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder.importSymbols(
'TRANSPORT-ADDRESS-MIB', 'TransportAddressIPv6')
snmpTargetAddrTAddress = transport.addressType(
TransportAddressIPv6(snmpTargetAddrTAddress)
).setLocalAddress(TransportAddressIPv6(snmpSourceAddrTAddress))
elif snmpTargetAddrTDomain[:len(config.snmpLocalDomain)] == config.snmpLocalDomain:
snmpTargetAddrTAddress = transport.addressType(
snmpTargetAddrTAddress
)
nameToTargetMap[snmpTargetAddrName] = (
snmpTargetAddrTDomain,
snmpTargetAddrTAddress,
snmpTargetAddrTimeout,
snmpTargetAddrRetryCount,
snmpTargetAddrParams
)
cache['id'] = snmpTargetAddrEntry.branchVersionId
return nameToTargetMap[snmpTargetAddrName]
def getTargetParams(snmpEngine, paramsName):
mibBuilder = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder
snmpTargetParamsEntry, = mibBuilder.importSymbols(
'SNMP-TARGET-MIB', 'snmpTargetParamsEntry'
)
cache = snmpEngine.getUserContext('getTargetParams')
if cache is None:
cache = {'id': -1}
snmpEngine.setUserContext(getTargetParams=cache)
if cache['id'] != snmpTargetParamsEntry.branchVersionId:
cache['nameToParamsMap'] = {}
nameToParamsMap = cache['nameToParamsMap']
if paramsName not in nameToParamsMap:
(snmpTargetParamsMPModel, snmpTargetParamsSecurityModel,
snmpTargetParamsSecurityName,
snmpTargetParamsSecurityLevel) = mibBuilder.importSymbols(
'SNMP-TARGET-MIB', 'snmpTargetParamsMPModel',
'snmpTargetParamsSecurityModel', 'snmpTargetParamsSecurityName',
'snmpTargetParamsSecurityLevel'
)
tblIdx = snmpTargetParamsEntry.getInstIdFromIndices(paramsName)
try:
snmpTargetParamsMPModel = snmpTargetParamsMPModel.getNode(
snmpTargetParamsMPModel.name + tblIdx
).syntax
snmpTargetParamsSecurityModel = snmpTargetParamsSecurityModel.getNode(
snmpTargetParamsSecurityModel.name + tblIdx
).syntax
snmpTargetParamsSecurityName = snmpTargetParamsSecurityName.getNode(
snmpTargetParamsSecurityName.name + tblIdx
).syntax
snmpTargetParamsSecurityLevel = snmpTargetParamsSecurityLevel.getNode(
snmpTargetParamsSecurityLevel.name + tblIdx
).syntax
except NoSuchInstanceError:
raise SmiError('Parameters %s not configured at LCD' % paramsName)
nameToParamsMap[paramsName] = (snmpTargetParamsMPModel,
snmpTargetParamsSecurityModel,
snmpTargetParamsSecurityName,
snmpTargetParamsSecurityLevel)
cache['id'] = snmpTargetParamsEntry.branchVersionId
return nameToParamsMap[paramsName]
def getTargetInfo(snmpEngine, snmpTargetAddrName):
# Transport endpoint
(snmpTargetAddrTDomain,
snmpTargetAddrTAddress,
snmpTargetAddrTimeout,
snmpTargetAddrRetryCount,
snmpTargetAddrParams) = getTargetAddr(snmpEngine, snmpTargetAddrName)
(snmpTargetParamsMPModel,
snmpTargetParamsSecurityModel,
snmpTargetParamsSecurityName,
snmpTargetParamsSecurityLevel) = getTargetParams(snmpEngine,
snmpTargetAddrParams)
return (snmpTargetAddrTDomain, snmpTargetAddrTAddress,
snmpTargetAddrTimeout, snmpTargetAddrRetryCount,
snmpTargetParamsMPModel, snmpTargetParamsSecurityModel,
snmpTargetParamsSecurityName, snmpTargetParamsSecurityLevel)
def getNotificationInfo(snmpEngine, notificationTarget):
mibBuilder = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder
snmpNotifyEntry, = mibBuilder.importSymbols('SNMP-NOTIFICATION-MIB',
'snmpNotifyEntry')
cache = snmpEngine.getUserContext('getNotificationInfo')
if cache is None:
cache = {'id': -1}
snmpEngine.setUserContext(getNotificationInfo=cache)
if cache['id'] != snmpNotifyEntry.branchVersionId:
cache['targetToNotifyMap'] = {}
targetToNotifyMap = cache['targetToNotifyMap']
if notificationTarget not in targetToNotifyMap:
(snmpNotifyTag,
snmpNotifyType) = mibBuilder.importSymbols('SNMP-NOTIFICATION-MIB',
'snmpNotifyTag',
'snmpNotifyType')
tblIdx = snmpNotifyEntry.getInstIdFromIndices(notificationTarget)
try:
snmpNotifyTag = snmpNotifyTag.getNode(
snmpNotifyTag.name + tblIdx
).syntax
snmpNotifyType = snmpNotifyType.getNode(
snmpNotifyType.name + tblIdx
).syntax
except NoSuchInstanceError:
raise SmiError('Target %s not configured at LCD' % notificationTarget)
targetToNotifyMap[notificationTarget] = (
snmpNotifyTag,
snmpNotifyType
)
cache['id'] = snmpNotifyEntry.branchVersionId
return targetToNotifyMap[notificationTarget]
def getTargetNames(snmpEngine, tag):
mibBuilder = snmpEngine.msgAndPduDsp.mibInstrumController.mibBuilder
snmpTargetAddrEntry, = mibBuilder.importSymbols('SNMP-TARGET-MIB',
'snmpTargetAddrEntry')
cache = snmpEngine.getUserContext('getTargetNames')
if cache is None:
cache = {'id': -1}
snmpEngine.setUserContext(getTargetNames=cache)
if cache['id'] == snmpTargetAddrEntry.branchVersionId:
tagToTargetsMap = cache['tagToTargetsMap']
else:
cache['tagToTargetsMap'] = {}
tagToTargetsMap = cache['tagToTargetsMap']
(SnmpTagValue, snmpTargetAddrName,
snmpTargetAddrTagList) = mibBuilder.importSymbols(
'SNMP-TARGET-MIB', 'SnmpTagValue', 'snmpTargetAddrName',
'snmpTargetAddrTagList'
)
mibNode = snmpTargetAddrTagList
while True:
try:
mibNode = snmpTargetAddrTagList.getNextNode(mibNode.name)
except NoSuchInstanceError:
break
idx = mibNode.name[len(snmpTargetAddrTagList.name):]
_snmpTargetAddrName = snmpTargetAddrName.getNode(snmpTargetAddrName.name + idx).syntax
for _tag in mibNode.syntax.asOctets().split():
_tag = SnmpTagValue(_tag)
if _tag not in tagToTargetsMap:
tagToTargetsMap[_tag] = []
tagToTargetsMap[_tag].append(_snmpTargetAddrName)
cache['id'] = snmpTargetAddrEntry.branchVersionId
if tag not in tagToTargetsMap:
raise SmiError('Transport tag %s not configured at LCD' % tag)
return tagToTargetsMap[tag]
# convert cmdrsp/cmdgen into this api
|