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#!/usr/bin/env python
#
# This file is part of pyasn1-modules software.
#
# Copyright (c) 2005-2020, Ilya Etingof <etingof@gmail.com>
# License: https://www.pysnmp.com/pyasn1/license.html
#
# Generate SNMPGET request, parse response
#
import socket
import sys
from pyasn1.codec.ber import decoder, encoder
from pyasn1_modules import rfc1157
if len(sys.argv) != 4:
print(
"""Usage:
$ %s <community> <host> <OID>"""
% sys.argv[0]
)
sys.exit(-1)
msg = rfc1157.Message()
msg.setComponentByPosition(0)
msg.setComponentByPosition(1, sys.argv[1])
# pdu
pdus = msg.setComponentByPosition(2).getComponentByPosition(2)
pdu = pdus.setComponentByPosition(0).getComponentByPosition(0)
pdu.setComponentByPosition(0, 123)
pdu.setComponentByPosition(1, 0)
pdu.setComponentByPosition(2, 0)
vbl = pdu.setComponentByPosition(3).getComponentByPosition(3)
vb = vbl.setComponentByPosition(0).getComponentByPosition(0)
vb.setComponentByPosition(0, sys.argv[3])
v = (
vb.setComponentByPosition(1)
.getComponentByPosition(1)
.setComponentByPosition(0)
.getComponentByPosition(0)
.setComponentByPosition(3)
.getComponentByPosition(3)
)
print("sending: %s" % msg.prettyPrint())
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.sendto(encoder.encode(msg), (sys.argv[2], 161))
substrate, _ = sock.recvfrom(2048)
# noinspection PyRedeclaration
rMsg, _ = decoder.decode(substrate, asn1Spec=msg)
print("received: %s" % rMsg.prettyPrint())
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