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60 lines
2.1 KiB
Python
60 lines
2.1 KiB
Python
#!/usr/bin/python
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'''
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dnssec-valid.py: DNSSEC validation
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Authors: Zdenek Vasicek (vasicek AT fit.vutbr.cz)
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Marek Vavrusa (xvavru00 AT stud.fit.vutbr.cz)
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Copyright (c) 2008. All rights reserved.
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This software is open source.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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'''
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from __future__ import print_function
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import os
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from unbound import ub_ctx,RR_TYPE_A,RR_CLASS_IN
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ctx = ub_ctx()
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ctx.resolvconf("/etc/resolv.conf")
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fw = open("dnssec-valid.txt","wb")
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ctx.debugout(fw)
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ctx.debuglevel(2)
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if os.path.isfile("keys"):
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ctx.add_ta_file("keys") #read public keys for DNSSEC verificatio
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status, result = ctx.resolve("www.nic.cz", RR_TYPE_A, RR_CLASS_IN)
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if status == 0 and result.havedata:
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print("Result:", sorted(result.data.address_list))
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if result.secure:
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print("Result is secure")
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elif result.bogus:
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print("Result is bogus")
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else:
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print("Result is insecure")
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