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from multiprocessing import Process, Queue
import random
from pysnmp.entity import engine, config
from pysnmp.entity.rfc3413 import cmdrsp, context
from pysnmp.carrier.asyncio.dgram import udp, udp6
from pysnmp.proto.api import v2c
class TestAgent:
next_port = [random.randint(22000, 32000)]
"""Agent for testing purpose"""
def __init__(self, ipv6=False, community='public',
authpass='authpass', privpass='privpass',
emptyTable=True):
q = Queue()
self.ipv6 = ipv6
self.emptyTable = emptyTable
self.community = community
self.authpass = authpass
self.privpass = privpass
self.next_port[0] += 1
self._process = Process(target=self._setup,
args=(q, self.next_port[0]))
self._process.start()
self.port = q.get()
def terminate(self):
self._process.terminate()
def _setup(self, q, port):
"""Setup a new agent in a separate process.
The port the agent is listening too will be returned using the
provided queue.
"""
snmpEngine = engine.SnmpEngine()
if self.ipv6:
config.addSocketTransport(
snmpEngine,
udp6.domainName,
udp6.Udp6Transport().openServerMode(('::1', port)))
else:
config.addSocketTransport(
snmpEngine,
udp.domainName,
udp.UdpTransport().openServerMode(('127.0.0.1', port)))
# Community is public and MIB is writable
config.addV1System(snmpEngine, 'read-write', self.community)
config.addVacmUser(snmpEngine, 1, 'read-write', 'noAuthNoPriv',
(1, 3, 6), (1, 3, 6))
config.addVacmUser(snmpEngine, 2, 'read-write', 'noAuthNoPriv',
(1, 3, 6), (1, 3, 6))
config.addV3User(
snmpEngine, 'read-write',
config.usmHMACMD5AuthProtocol, self.authpass,
config.usmAesCfb128Protocol, self.privpass)
config.addVacmUser(snmpEngine, 3, 'read-write', 'authPriv',
(1, 3, 6), (1, 3, 6))
# Build MIB
def stringToOid(string):
return [ord(x) for x in string]
def flatten(*args):
result = []
for el in args:
if isinstance(el, (list, tuple)):
for sub in el:
result.append(sub)
else:
result.append(el)
return tuple(result)
snmpContext = context.SnmpContext(snmpEngine)
mibBuilder = snmpContext.getMibInstrum().getMibBuilder()
(MibTable, MibTableRow, MibTableColumn,
MibScalar, MibScalarInstance) = mibBuilder.importSymbols(
'SNMPv2-SMI',
'MibTable', 'MibTableRow', 'MibTableColumn',
'MibScalar', 'MibScalarInstance')
class RandomMibScalarInstance(MibScalarInstance):
previous_value = 0
def getValue(self, name, idx):
self.previous_value += random.randint(1, 2000)
return self.getSyntax().clone(self.previous_value)
mibBuilder.exportSymbols(
'__MY_SNMPv2_MIB',
# SNMPv2-MIB::sysDescr
MibScalar((1, 3, 6, 1, 2, 1, 1, 1), v2c.OctetString()),
MibScalarInstance((1, 3, 6, 1, 2, 1, 1, 1), (0,),
v2c.OctetString(
"Snimpy Test Agent {}".format(
self.community))),
# SNMPv2-MIB::sysObjectID
MibScalar((1, 3, 6, 1, 2, 1, 1, 2), v2c.ObjectIdentifier()),
MibScalarInstance((1, 3, 6, 1, 2, 1, 1, 2), (0,),
v2c.ObjectIdentifier((1, 3, 6, 1, 4,
1, 9, 1, 1208))))
mibBuilder.exportSymbols(
'__MY_IF_MIB',
# IF-MIB::ifNumber
MibScalar((1, 3, 6, 1, 2, 1, 2, 1), v2c.Integer()),
MibScalarInstance((1, 3, 6, 1, 2, 1, 2, 1), (0,), v2c.Integer(3)),
# IF-MIB::ifTable
MibTable((1, 3, 6, 1, 2, 1, 2, 2)),
MibTableRow((1, 3, 6, 1, 2, 1, 2, 2, 1)).setIndexNames(
(0, '__MY_IF_MIB', 'ifIndex')),
# IF-MIB::ifIndex
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 1), (1,), v2c.Integer(1)),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 1), (2,), v2c.Integer(2)),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 1), (3,), v2c.Integer(3)),
# IF-MIB::ifDescr
MibTableColumn((1, 3, 6, 1, 2, 1, 2, 2, 1, 2), v2c.OctetString()),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 2), (1,), v2c.OctetString("lo")),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 2), (2,), v2c.OctetString("eth0")),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 2), (3,), v2c.OctetString("eth1")),
# IF-MIB::ifType
MibTableColumn((1, 3, 6, 1, 2, 1, 2, 2, 1, 3), v2c.Integer()),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 3), (1,), v2c.Integer(24)),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 3), (2,), v2c.Integer(6)),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 3), (3,), v2c.Integer(6)),
# IF-MIB::ifInOctets
MibTableColumn((1, 3, 6, 1, 2, 1, 2, 2, 1, 10), v2c.Integer()),
RandomMibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 10), (1,), v2c.Gauge32()),
RandomMibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 10), (2,), v2c.Gauge32()),
RandomMibScalarInstance(
(1, 3, 6, 1, 2, 1, 2, 2, 1, 10), (3,), v2c.Gauge32()),
# IF-MIB::ifRcvAddressTable
MibTable((1, 3, 6, 1, 2, 1, 31, 1, 4)),
MibTableRow((1, 3, 6, 1, 2, 1, 31, 1, 4, 1)).setIndexNames(
(0, '__MY_IF_MIB', 'ifIndex'),
(1, '__MY_IF_MIB', 'ifRcvAddressAddress')),
# IF-MIB::ifRcvAddressStatus
MibTableColumn((1, 3, 6, 1, 2, 1, 31, 1, 4, 1, 2), v2c.Integer()),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 31, 1, 4, 1, 2),
flatten(2, 6, stringToOid("abcdef")), v2c.Integer(1)),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 31, 1, 4, 1, 2),
flatten(2, 6, stringToOid("ghijkl")), v2c.Integer(1)),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 31, 1, 4, 1, 2),
flatten(3, 6, stringToOid("mnopqr")), v2c.Integer(1)),
# IF-MIB::ifRcvAddressType
MibTableColumn((1, 3, 6, 1, 2, 1, 31, 1, 4, 1, 3), v2c.Integer()),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 31, 1, 4, 1, 3),
flatten(2, 6, stringToOid("abcdef")), v2c.Integer(1)),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 31, 1, 4, 1, 3),
flatten(2, 6, stringToOid("ghijkl")), v2c.Integer(1)),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 31, 1, 4, 1, 3),
flatten(3, 6, stringToOid("mnopqr")), v2c.Integer(1)),
# IF-MIB::ifIndex
ifIndex=MibTableColumn((1, 3, 6, 1, 2, 1, 2, 2, 1, 1),
v2c.Integer()),
# IF-MIB::ifRcvAddressAddress
ifRcvAddressAddress=MibTableColumn((1, 3, 6, 1, 2, 1, 31,
1, 4, 1, 1),
v2c.OctetString()))
args = (
'__MY_SNIMPY-MIB',
# SNIMPY-MIB::snimpyIpAddress
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 1),
v2c.OctetString()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 1), (0,),
v2c.OctetString("AAAA")),
# SNIMPY-MIB::snimpyString
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 2),
v2c.OctetString()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 2), (0,), v2c.OctetString("bye")),
# SNIMPY-MIB::snimpyInteger
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 3),
v2c.Integer()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 3), (0,), v2c.Integer(19)),
# SNIMPY-MIB::snimpyEnum
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 4),
v2c.Integer()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 4), (0,), v2c.Integer(2)),
# SNIMPY-MIB::snimpyObjectId
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 5),
v2c.ObjectIdentifier()).setMaxAccess("readwrite"),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 1, 5), (
0,), v2c.ObjectIdentifier((1, 3, 6, 4454, 0, 0))),
# SNIMPY-MIB::snimpyBoolean
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 6),
v2c.Integer()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 6), (0,), v2c.Integer(1)),
# SNIMPY-MIB::snimpyCounter
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 7),
v2c.Counter32()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 7), (0,), v2c.Counter32(47)),
# SNIMPY-MIB::snimpyGauge
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 8),
v2c.Gauge32()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 8), (0,), v2c.Gauge32(18)),
# SNIMPY-MIB::snimpyTimeticks
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 9),
v2c.TimeTicks()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 9), (0,),
v2c.TimeTicks(12111100)),
# SNIMPY-MIB::snimpyCounter64
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 10),
v2c.Counter64()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 10), (0,),
v2c.Counter64(2 ** 48 + 3)),
# SNIMPY-MIB::snimpyBits
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 11),
v2c.OctetString()).setMaxAccess("readwrite"),
MibScalarInstance(
(1, 3, 6, 1, 2, 1, 45121, 1, 11), (0,),
v2c.OctetString(b"\xa0\x80")),
# SNIMPY-MIB::snimpyMacAddress
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 15),
v2c.OctetString()).setMaxAccess("readwrite"),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 1, 15), (
0,), v2c.OctetString(b"\x11\x12\x13\x14\x15\x16")),
# SNIMPY-MIB::snimpyMacAddressInvalid
MibScalar((1, 3, 6, 1, 2, 1, 45121, 1, 16),
v2c.OctetString()).setMaxAccess("readwrite"),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 1, 16), (
0,), v2c.OctetString(b"\xf1\x12\x13\x14\x15\x16")),
# SNIMPY-MIB::snimpyIndexTable
MibTable((1, 3, 6, 1, 2, 1, 45121, 2, 3)),
MibTableRow(
(1, 3, 6, 1, 2, 1, 45121, 2, 3, 1)).setIndexNames(
(0, "__MY_SNIMPY-MIB", "snimpyIndexVarLen"),
(0, "__MY_SNIMPY-MIB", "snimpyIndexOidVarLen"),
(0, "__MY_SNIMPY-MIB", "snimpyIndexFixedLen"),
(1, "__MY_SNIMPY-MIB", "snimpyIndexImplied")),
# SNIMPY-MIB::snimpyIndexVarLen
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 1),
flatten(4, stringToOid('row1'),
3, 1, 2, 3,
stringToOid('alpha5'),
stringToOid('end of row1')),
v2c.OctetString(b"row1")),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 1),
flatten(4, stringToOid('row2'),
4, 1, 0, 2, 3,
stringToOid('beta32'),
stringToOid('end of row2')),
v2c.OctetString(b"row2")),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 1),
flatten(4, stringToOid('row3'),
4, 120, 1, 2, 3,
stringToOid('gamma7'),
stringToOid('end of row3')),
v2c.OctetString(b"row3")),
# SNIMPY-MIB::snimpyIndexInt
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 6),
flatten(4, stringToOid('row1'),
3, 1, 2, 3,
stringToOid('alpha5'),
stringToOid('end of row1')),
v2c.Integer(4571)),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 6),
flatten(4, stringToOid('row2'),
4, 1, 0, 2, 3,
stringToOid('beta32'),
stringToOid('end of row2')),
v2c.Integer(78741)),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 6),
flatten(4, stringToOid('row3'),
4, 120, 1, 2, 3,
stringToOid('gamma7'),
stringToOid('end of row3')),
v2c.Integer(4110)),
# SNIMPY-MIB::snimpyReuseIndexTable
MibTable((1, 3, 6, 1, 2, 1, 45121, 2, 7)),
MibTableRow(
(1, 3, 6, 1, 2, 1, 45121, 2, 7, 1)).setIndexNames(
(0, "__MY_SNIMPY-MIB", "snimpyIndexImplied"),
(0, "__MY_SNIMPY-MIB", "snimpySimpleIndex")),
# SNIMPY-MIB::snimpyReuseIndexValue
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 7, 1, 1),
flatten(11, stringToOid('end of row1'),
4),
v2c.Integer(1785)),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 7, 1, 1),
flatten(11, stringToOid('end of row1'),
5),
v2c.Integer(2458)),
# SNIMPY-MIB::snimpyInvalidTable
MibTable((1, 3, 6, 1, 2, 1, 45121, 2, 5)),
MibTableRow(
(1, 3, 6, 1, 2, 1, 45121, 2, 5, 1)).setIndexNames(
(0, "__MY_SNIMPY-MIB", "snimpyInvalidIndex")),
# SNIMPY-MIB::snimpyInvalidDescr
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 5, 1, 2),
(1,),
v2c.OctetString(b"Hello")),
MibScalarInstance((1, 3, 6, 1, 2, 1, 45121, 2, 5, 1, 2),
(2,),
v2c.OctetString(b"\xf1\x12\x13\x14\x15\x16")))
if self.emptyTable:
args += (
# SNIMPY-MIB::snimpyEmptyTable
MibTable((1, 3, 6, 1, 2, 1, 45121, 2, 6)),
MibTableRow(
(1, 3, 6, 1, 2, 1, 45121, 2, 6, 1)).setIndexNames(
(0, "__MY_SNIMPY-MIB", "snimpyEmptyIndex")))
kwargs = dict(
# Indexes
snimpyIndexVarLen=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 1),
v2c.OctetString(
)),
snimpyIndexIntIndex=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 2),
v2c.Integer(
)).setMaxAccess(
"noaccess"),
snimpyIndexOidVarLen=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 3),
v2c.ObjectIdentifier(
)).setMaxAccess(
"noaccess"),
snimpyIndexFixedLen=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 4),
v2c.OctetString(
).setFixedLength(
6)).setMaxAccess(
"noaccess"),
snimpyIndexImplied=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 5),
v2c.OctetString(
)).setMaxAccess("noaccess"),
snimpyIndexInt=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 3, 1, 6),
v2c.Integer()).setMaxAccess("readwrite"),
snimpyInvalidIndex=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 5, 1, 1),
v2c.Integer()).setMaxAccess("noaccess"),
snimpyInvalidDescr=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 5, 1, 2),
v2c.OctetString()).setMaxAccess("readwrite"),
snimpyReuseIndexValue=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 7, 1, 1),
v2c.Integer()).setMaxAccess("readwrite")
)
if self.emptyTable:
kwargs.update(dict(
snimpyEmptyIndex=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 6, 1, 1),
v2c.Integer()).setMaxAccess("noaccess"),
snimpyEmptyDescr=MibTableColumn(
(1, 3, 6, 1, 2, 1, 45121, 2, 6, 1, 2),
v2c.OctetString()).setMaxAccess("readwrite")))
mibBuilder.exportSymbols(*args, **kwargs)
# Start agent
cmdrsp.GetCommandResponder(snmpEngine, snmpContext)
cmdrsp.SetCommandResponder(snmpEngine, snmpContext)
cmdrsp.NextCommandResponder(snmpEngine, snmpContext)
cmdrsp.BulkCommandResponder(snmpEngine, snmpContext)
q.put(port)
snmpEngine.transportDispatcher.jobStarted(1)
snmpEngine.transportDispatcher.runDispatcher()
|
