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"""
SNMPv3: master auth and privacy keys
++++++++++++++++++++++++++++++++++++
Send SNMP GET request using the following options:
* with SNMPv3, user 'usr-md5-des', MD5 authentication, DES encryption
* use master auth and privacy keys instead of pass-phrase
* over IPv4/UDP
* to an Agent at demo.snmplabs.com:161
* for SNMPv2-MIB::sysDescr.0 MIB object instance
Functionally similar to:
| $ snmpget -v3 -l authPriv \
-u usr-md5-des \
-3m 0x1dcf59e86553b3afa5d32fd5d61bf0cf \
-3M 0xec5ab55e93e1d85cb6846d0f23e845e0 \
demo.snmplabs.com SNMPv2-MIB::sysDescr.0
"""#
from pysnmp.hlapi import *
iterator = getCmd(
SnmpEngine(),
UsmUserData(
'usr-md5-des',
authKey=OctetString(
hexValue='1dcf59e86553b3afa5d32fd5d61bf0cf'),
privKey=OctetString(
hexValue='ec5ab55e93e1d85cb6846d0f23e845e0'),
authKeyType=usmKeyTypeMaster,
privKeyType=usmKeyTypeMaster),
UdpTransportTarget(('demo.snmplabs.com', 161)),
ContextData(),
ObjectType(ObjectIdentity('SNMPv2-MIB', 'sysDescr', 0))
)
errorIndication, errorStatus, errorIndex, varBinds = next(iterator)
if errorIndication:
print(errorIndication)
elif errorStatus:
print('%s at %s' % (errorStatus.prettyPrint(),
errorIndex and varBinds[int(errorIndex) - 1][0] or '?'))
else:
for varBind in varBinds:
print(' = '.join([x.prettyPrint() for x in varBind]))
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