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- #! /usr/bin/python
- print "*********************************************************************"
- print "Cisco IOU License Generator - Kal 2011, python port of 2006 C version"
- print "Patched for python2.7 - park3r, 2011"
- import os
- import socket
- import hashlib
- import struct
- # get the host id and host name to calculate the hostkey
- hostid=os.popen("hostid").read().strip()
- hostname = socket.gethostname()
- ioukey=int(hostid,16)
- for x in hostname:
- ioukey = ioukey + ord(x)
- print "hostid=" + hostid +", hostname="+ hostname + ", ioukey=" + hex(ioukey)[2:]
- # create the license using md5sum
- iouPad1='\x4B\x58\x21\x81\x56\x7B\x0D\xF3\x21\x43\x9B\x7E\xAC\x1D\xE6\x8A'
- iouPad2='\x80' + 39*'\0'
- md5input=iouPad1 + iouPad2 + struct.pack('!I', ioukey) + iouPad1
- iouLicense=hashlib.md5(md5input).hexdigest()[:16]
- print "\nAdd the following text to ~/.iourc:"
- print "[license]\n" + hostname + " = " + iouLicense + ";\n"
- print "You can disable the phone home feature with something like:"
- print " echo '127.0.0.127 xml.cisco.com' >> /etc/hosts\n"
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