snmpget.py 1.2 KB

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  1. #!/usr/bin/python
  2. #
  3. # Generate SNMPGET request, parse response
  4. #
  5. from pyasn1.codec.ber import encoder, decoder
  6. from pyasn1_modules import rfc1157
  7. import sys, socket
  8. if len(sys.argv) != 4:
  9. print("""Usage:
  10. $ %s <community> <host> <OID>""" % sys.argv[0])
  11. sys.exit(-1)
  12. msg = rfc1157.Message()
  13. msg.setComponentByPosition(0)
  14. msg.setComponentByPosition(1, sys.argv[1])
  15. # pdu
  16. pdus = msg.setComponentByPosition(2).getComponentByPosition(2)
  17. pdu = pdus.setComponentByPosition(0).getComponentByPosition(0)
  18. pdu.setComponentByPosition(0, 123)
  19. pdu.setComponentByPosition(1, 0)
  20. pdu.setComponentByPosition(2, 0)
  21. vbl = pdu.setComponentByPosition(3).getComponentByPosition(3)
  22. vb = vbl.setComponentByPosition(0).getComponentByPosition(0)
  23. vb.setComponentByPosition(0, sys.argv[3])
  24. v = vb.setComponentByPosition(1).getComponentByPosition(1).setComponentByPosition(0).getComponentByPosition(0).setComponentByPosition(3).getComponentByPosition(3)
  25. print('sending: %s' % msg.prettyPrint())
  26. sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
  27. sock.sendto(encoder.encode(msg), (sys.argv[2], 161))
  28. substrate, _ = sock.recvfrom(2048)
  29. rMsg, _ = decoder.decode(substrate, asn1Spec=msg)
  30. print('received: %s' % rMsg.prettyPrint())