snmpget.py 1.4 KB

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  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. #
  10. import socket
  11. import sys
  12. from pyasn1.codec.ber import decoder
  13. from pyasn1.codec.ber import encoder
  14. from pyasn1_modules import rfc1157
  15. if len(sys.argv) != 4:
  16. print("""Usage:
  17. $ %s <community> <host> <OID>""" % sys.argv[0])
  18. sys.exit(-1)
  19. msg = rfc1157.Message()
  20. msg.setComponentByPosition(0)
  21. msg.setComponentByPosition(1, sys.argv[1])
  22. # pdu
  23. pdus = msg.setComponentByPosition(2).getComponentByPosition(2)
  24. pdu = pdus.setComponentByPosition(0).getComponentByPosition(0)
  25. pdu.setComponentByPosition(0, 123)
  26. pdu.setComponentByPosition(1, 0)
  27. pdu.setComponentByPosition(2, 0)
  28. vbl = pdu.setComponentByPosition(3).getComponentByPosition(3)
  29. vb = vbl.setComponentByPosition(0).getComponentByPosition(0)
  30. vb.setComponentByPosition(0, sys.argv[3])
  31. v = vb.setComponentByPosition(1).getComponentByPosition(1).setComponentByPosition(0).getComponentByPosition(0).setComponentByPosition(3).getComponentByPosition(3)
  32. print('sending: %s' % msg.prettyPrint())
  33. sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
  34. sock.sendto(encoder.encode(msg), (sys.argv[2], 161))
  35. substrate, _ = sock.recvfrom(2048)
  36. # noinspection PyRedeclaration
  37. rMsg, _ = decoder.decode(substrate, asn1Spec=msg)
  38. print('received: %s' % rMsg.prettyPrint())