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#! /usr/bin/env python
# #######################################################################
# Copyright (c) 2012, Bob Novas, Shinkuro, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# - Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# #######################################################################
"""
test driver for dnsval.py - tests the dnssec-tools python wrapper
see http://dnssec-tools.org
$Id: test_dnsval.py 76 2012-02-15 20:51:03Z bob.novas $
"""
import sys
import unittest
from dnsval import Validator
from dnsval import VAL_QUERY_AC_DETAIL
from dnsval import VAL_SUCCESS, VAL_AC_VERIFIED
from dnsval import VAL_CTX_FLAG_RESET, VAL_CTX_FLAG_SET
from dnsval import VAL_QUERY_DONT_VALIDATE, VAL_IGNORE_VALIDATION
# test names
VAL_NAME = "www.dnssec-tools.org"
BOGUS_NAME = "badsign-a.test.dnssec-tools.org"
PI_NAME = "good-A.insecure-ns.test.dnssec-tools.org"
VAL_DOE = "doesnotexist.test.dnssec-tools.org"
BOGUS_DOE = "nsectest.test.dnssec-tools.org"
PI_DOE = "doesnotexist.insecure-ns.test.dnssec-tools.org"
class TestValidator(unittest.TestCase):
v = None
# Create the validator context only once
def createValidator(self):
if self.v == None:
self.v = Validator()
# Check that internal definitions are consistent with library
def test_fmtStatusValues(self):
self.createValidator()
self.assertEqual(self.v.fmtValStatus(0x80), 'VAL_SUCCESS')
self.assertEqual(self.v.fmtValStatus(1), 'VAL_BOGUS')
self.assertEqual(self.v.fmtValStatus(0x88), 'VAL_PINSECURE')
self.assertEqual(self.v.fmtAcStatus(VAL_AC_VERIFIED), 'VAL_AC_VERIFIED')
# Convenience function for checking resolveAndCheck results
def common_resolveAndCheck(self, nameval, classval, typeval, pResults):
rrset = pResults.contents.val_rc_rrset.contents
self.assertEqual(rrset.val_rrset_rcode, 0)
self.assertEqual(rrset.val_rrset_name, nameval)
self.assertEqual(rrset.val_rrset_class, classval)
self.assertEqual(rrset.val_rrset_type, typeval)
# test for the resolveAndCheck function
def test_resolveAndCheck(self):
self.createValidator()
# test of a validatable name
pResults = self.v.resolveAndCheck(VAL_NAME, 1, 1, 0)
if pResults:
self.assertEqual(pResults.contents.val_rc_status, VAL_SUCCESS)
self.common_resolveAndCheck(VAL_NAME, 1, 1, pResults)
self.v.freeResultChain(pResults)
# check if result details are returned
pResults = self.v.resolveAndCheck(VAL_NAME, 1, 1, VAL_QUERY_AC_DETAIL)
if pResults:
self.assertEqual(pResults.contents.val_rc_status, VAL_SUCCESS)
self.common_resolveAndCheck(VAL_NAME, 1, 1, pResults)
self.assertTrue(pResults.contents.val_rc_answer)
self.assertEqual(pResults.contents.val_rc_answer.contents.val_ac_status, VAL_AC_VERIFIED)
self.v.freeResultChain(pResults)
# check if query flags work
pResults = self.v.resolveAndCheck(VAL_NAME, 1, 1, VAL_QUERY_DONT_VALIDATE)
if pResults:
self.assertEqual(pResults.contents.val_rc_status, VAL_IGNORE_VALIDATION)
self.common_resolveAndCheck(VAL_NAME, 1, 1, pResults)
self.v.freeResultChain(pResults)
# test the setFlags function
def test_setFlags(self):
self.createValidator()
# Disable validation
self.v.setFlags(VAL_CTX_FLAG_SET, VAL_QUERY_DONT_VALIDATE)
pResults = self.v.resolveAndCheck(VAL_NAME, 1, 1, 0)
if pResults:
self.assertEqual(pResults.contents.val_rc_status, VAL_IGNORE_VALIDATION)
self.v.freeResultChain(pResults)
# Enable validation
self.v.setFlags(VAL_CTX_FLAG_RESET, VAL_QUERY_DONT_VALIDATE)
if pResults:
pResults = self.v.resolveAndCheck(VAL_NAME, 1, 1, 0)
self.assertEqual(pResults.contents.val_rc_status, VAL_SUCCESS)
self.v.freeResultChain(pResults)
# test the isTrusted function
def test_isTrusted(self):
self.createValidator()
# Check if secure name is trusted
pResults = self.v.resolveAndCheck(VAL_NAME, 1, 1, 0)
if pResults:
self.assertTrue(self.v.isTrusted(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
# Check if bogus name is not trusted
pResults = self.v.resolveAndCheck(BOGUS_NAME, 1, 1, 0)
if pResults:
self.assertFalse(self.v.isTrusted(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
# Check if provably insecure name is trusted
pResults = self.v.resolveAndCheck(PI_NAME, 1, 1, 0)
if pResults:
self.assertTrue(self.v.isTrusted(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
# test the isTrusted function
def test_isValdated(self):
self.createValidator()
# Check if secure name is validated
pResults = self.v.resolveAndCheck(VAL_NAME, 1, 1, 0)
if pResults:
self.assertTrue(self.v.isValidated(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
# Check if bogus name is not validated
pResults = self.v.resolveAndCheck(BOGUS_NAME, 1, 1, 0)
if pResults:
self.assertFalse(self.v.isValidated(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
# Check if provably insecure name is not validated
pResults = self.v.resolveAndCheck(PI_NAME, 1, 1, 0)
if pResults:
self.assertFalse(self.v.isValidated(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
def test_doesNotExist(self):
self.createValidator()
# Non-Existence condition - bogus answers should not work, others should
pResults = self.v.resolveAndCheck(VAL_DOE, 1, 1, 0)
if pResults:
self.assertTrue(self.v.doesNotExist(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
# NULL result
pResults = self.v.resolveAndCheck(BOGUS_DOE, 1, 1, 0)
if pResults:
self.assertFalse(self.v.doesNotExist(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
pResults = self.v.resolveAndCheck(PI_DOE, 1, 1, 0)
if pResults:
self.assertTrue(self.v.doesNotExist(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
# Existence conditions - none of these should be true
pResults = self.v.resolveAndCheck(VAL_NAME, 1, 1, 0)
if pResults:
self.assertFalse(self.v.doesNotExist(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
pResults = self.v.resolveAndCheck(BOGUS_NAME, 1, 1, 0)
if pResults:
self.assertFalse(self.v.doesNotExist(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
pResults = self.v.resolveAndCheck(PI_NAME, 1, 1, 0)
if pResults:
self.assertFalse(self.v.doesNotExist(pResults.contents.val_rc_status))
self.v.freeResultChain(pResults)
if __name__ == "__main__":
suite = unittest.TestLoader().loadTestsFromTestCase(TestValidator)
unittest.TextTestRunner(verbosity=2).run(suite)
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