1#!/usr/bin/env python 2# 3# This file is part of pyasn1-modules software. 4# 5# Copyright (c) 2005-2019, Ilya Etingof <etingof@gmail.com> 6# License: http://snmplabs.com/pyasn1/license.html 7# 8# Generate SNMPGET request, parse response 9# 10import socket 11import sys 12 13from pyasn1.codec.ber import decoder 14from pyasn1.codec.ber import encoder 15 16from pyasn1_modules import rfc1157 17 18if len(sys.argv) != 4: 19 print("""Usage: 20$ %s <community> <host> <OID>""" % sys.argv[0]) 21 sys.exit(-1) 22 23msg = rfc1157.Message() 24msg.setComponentByPosition(0) 25msg.setComponentByPosition(1, sys.argv[1]) 26# pdu 27pdus = msg.setComponentByPosition(2).getComponentByPosition(2) 28pdu = pdus.setComponentByPosition(0).getComponentByPosition(0) 29pdu.setComponentByPosition(0, 123) 30pdu.setComponentByPosition(1, 0) 31pdu.setComponentByPosition(2, 0) 32vbl = pdu.setComponentByPosition(3).getComponentByPosition(3) 33vb = vbl.setComponentByPosition(0).getComponentByPosition(0) 34vb.setComponentByPosition(0, sys.argv[3]) 35v = vb.setComponentByPosition(1).getComponentByPosition(1).setComponentByPosition(0).getComponentByPosition(0).setComponentByPosition(3).getComponentByPosition(3) 36 37print('sending: %s' % msg.prettyPrint()) 38 39sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) 40sock.sendto(encoder.encode(msg), (sys.argv[2], 161)) 41 42substrate, _ = sock.recvfrom(2048) 43 44# noinspection PyRedeclaration 45rMsg, _ = decoder.decode(substrate, asn1Spec=msg) 46 47print('received: %s' % rMsg.prettyPrint()) 48