/
trap_receiver_template.py
130 lines (83 loc) · 2.89 KB
/
trap_receiver_template.py
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from snmp_library import *
from pysnmp.hlapi.asyncore import *
# Email
from email.mime import multipart, text
import smtplib
# TrapReceiver
from pysnmp.carrier.asyncore.dispatch import AsyncoreDispatcher
from pysnmp.carrier.asyncore.dgram import udp, udp6, unix
from pyasn1.codec.ber import decoder
from pysnmp.proto import api
# Habilitar https://myaccount.google.com/lesssecureapps
# Configuracion sonda
version = 'v1'
ip_addr = '155.210.157.202'
community = 'private'
port = 161
snmp_engine = snmp_requests(version, community, ip_addr, port)
# Genero una entrada en localSnmp
snmp_engine = snmp_requests(version, community, ip_addr, port)
# Grupo event
# Grupo alarm
# Esta funcion es la que envia el mensaje
def send_msg(body):
fromaddr = ""
toaddr = ""
password = ""
msg = multipart.MIMEMultipart()
msg['From'] = fromaddr
msg['To'] = toaddr
msg['Subject'] = "Alarm"
#body = "Python test mail"
msg.attach(text.MIMEText(body, 'plain'))
server = smtplib.SMTP('smtp.gmail.com', 587)
server.ehlo()
server.starttls()
server.ehlo()
server.login(fromaddr, password)
cuerpo = msg.as_string()
server.sendmail(fromaddr, toaddr, cuerpo)
# noinspection PyUnusedLocal
def cbFun(transportDispatcher, transportDomain, transportAddress, wholeMsg):
while wholeMsg:
msgVer = int(api.decodeMessageVersion(wholeMsg))
if msgVer in api.protoModules:
pMod = api.protoModules[msgVer]
else:
print('Unsupported SNMP version %s' % msgVer)
return
reqMsg, wholeMsg = decoder.decode(
wholeMsg, asn1Spec=pMod.Message(),
)
print('Notification message from %s:%s: ' % (
transportDomain, transportAddress
)
)
reqPDU = pMod.apiMessage.getPDU(reqMsg)
text = ''
if reqPDU.isSameTypeWith(pMod.TrapPDU()):
if msgVer == api.protoVersion1:
text = text + 'Enterprise: ' + pMod.apiTrapPDU.getEnterprise(reqPDU).prettyPrint() + '\n'
# Incluir el resto de campos del trap que se consideren oportunos
varBinds = pMod.apiTrapPDU.getVarBinds(reqPDU)
else:
varBinds = pMod.apiPDU.getVarBinds(reqPDU)
# Incluir el contenido de las varBinds en el correo electronico
return wholeMsg
transportDispatcher = AsyncoreDispatcher()
transportDispatcher.registerRecvCbFun(cbFun)
# UDP/IPv4
transportDispatcher.registerTransport(
udp.domainName, udp.UdpSocketTransport().openServerMode(('0.0.0.0', 162))
)
# UDP/IPv6
transportDispatcher.registerTransport(
udp6.domainName, udp6.Udp6SocketTransport().openServerMode(('::1', 162))
)
transportDispatcher.jobStarted(1)
try:
# Dispatcher will never finish as job#1 never reaches zero
transportDispatcher.runDispatcher()
except:
transportDispatcher.closeDispatcher()
raise