1#!/usr/bin/env python 2# 3# This file is part of pyasn1-modules software. 4# 5# Copyright (c) 2005-2017, Ilya Etingof <etingof@gmail.com> 6# License: http://pyasn1.sf.net/license.html 7# 8# Generate SNMPGET request, parse response 9# 10from pyasn1.codec.ber import encoder, decoder 11from pyasn1_modules import rfc1157 12import sys 13import socket 14 15if len(sys.argv) != 4: 16 print("""Usage: 17$ %s <community> <host> <OID>""" % sys.argv[0]) 18 sys.exit(-1) 19 20msg = rfc1157.Message() 21msg.setComponentByPosition(0) 22msg.setComponentByPosition(1, sys.argv[1]) 23# pdu 24pdus = msg.setComponentByPosition(2).getComponentByPosition(2) 25pdu = pdus.setComponentByPosition(0).getComponentByPosition(0) 26pdu.setComponentByPosition(0, 123) 27pdu.setComponentByPosition(1, 0) 28pdu.setComponentByPosition(2, 0) 29vbl = pdu.setComponentByPosition(3).getComponentByPosition(3) 30vb = vbl.setComponentByPosition(0).getComponentByPosition(0) 31vb.setComponentByPosition(0, sys.argv[3]) 32v = vb.setComponentByPosition(1).getComponentByPosition(1).setComponentByPosition(0).getComponentByPosition(0).setComponentByPosition(3).getComponentByPosition(3) 33 34print('sending: %s' % msg.prettyPrint()) 35 36sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) 37sock.sendto(encoder.encode(msg), (sys.argv[2], 161)) 38 39substrate, _ = sock.recvfrom(2048) 40 41# noinspection PyRedeclaration 42rMsg, _ = decoder.decode(substrate, asn1Spec=msg) 43 44print('received: %s' % rMsg.prettyPrint()) 45