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#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (c) 2014, NORDUnet A/S.
# See LICENSE for licensing information.
import urllib2
import urllib
import json
import base64
import sys
import struct
import hashlib
import itertools
from certtools import *
from dnstools import c14n_dsrr, unpack_rrset
baseurls = [sys.argv[1]]
logpublickeyfile = sys.argv[2]
cacertfile = sys.argv[3]
RRfiles = ["../test/testdata/dnssec/testrrsets/req-basic"]
def get_rrset_from_file(filename):
return open(filename, 'r').read()
# TODO: Add more tests, like 4 more would be good.
rr1 = get_rrset_from_file(RRfiles[0])
create_ssl_context(cafile=cacertfile)
failures = 0
indentation = ""
logpublickey = get_public_key_from_file(logpublickeyfile)
def testgroup(name):
global indentation
print "testgroup " + name + ":"
indentation = " "
def print_error(message, *args):
global failures, indentation
print indentation + "ERROR:", message % args
failures += 1
def print_success(message, *args):
print indentation + message % args
def assert_equal(actual, expected, name, quiet=False, nodata=False, fatal=False):
global failures
if actual != expected:
if nodata:
print_error("%s differs", name)
else:
print_error("%s expected %s got %s", name, repr(expected),
repr(actual))
if fatal:
sys.exit(1)
elif not quiet:
print_success("%s was correct", name)
def print_and_check_tree_size(expected, baseurl):
global failures
sth = get_sth(baseurl)
try:
check_sth_signature(baseurl, sth, publickey=logpublickey)
except AssertionError, e:
print_error("%s", e)
except ecdsa.keys.BadSignatureError, e:
print_error("bad STH signature")
tree_size = sth["tree_size"]
assert_equal(tree_size, expected, "tree size", quiet=True)
def do_add_chain(ignore1, ignore2): assert 0, "use do_add_rr() instead" # FIXME: remove
def do_add_rr(rrset, baseurl):
global failures
try:
result = add_chain(baseurl, {"chain":base64.b64encode(rrset)})
except ValueError, e:
print_error("%s", e)
try:
print "result:", result
signed_entry = pack_cert(c14n_dsrr(rrset))
print "signed_entry:", repr(signed_entry)
check_sct_signature(baseurl, signed_entry, result, publickey=logpublickey)
print_success("signature check succeeded")
except AssertionError, e:
print_error("%s", e)
except ecdsa.keys.BadSignatureError, e:
print e
print_error("bad SCT signature")
return result
def get_and_validate_proof(timestamp, chain, leaf_index, nentries, baseurl):
dsrr = c14n_dsrr(chain)
merkle_tree_leaf = pack_mtl(timestamp, dsrr)
leaf_hash = get_leaf_hash(merkle_tree_leaf)
sth = get_sth(baseurl)
proof = get_proof_by_hash(baseurl, leaf_hash, sth["tree_size"])
leaf_index = proof["leaf_index"]
inclusion_proof = [base64.b64decode(e) for e in proof["audit_path"]]
assert_equal(leaf_index, leaf_index, "leaf_index", quiet=True)
assert_equal(len(inclusion_proof), nentries, "audit_path length", quiet=True)
calc_root_hash = verify_inclusion_proof(inclusion_proof, leaf_index, sth["tree_size"], leaf_hash)
root_hash = base64.b64decode(sth["sha256_root_hash"])
assert_equal(root_hash, calc_root_hash, "verified root hash", nodata=True, quiet=True)
get_and_check_entry(timestamp, chain, leaf_index, baseurl)
def get_and_validate_consistency_proof(sth1, sth2, size1, size2, baseurl):
consistency_proof = [base64.decodestring(entry) for entry in get_consistency_proof(baseurl, size1, size2)]
(old_treehead, new_treehead) = verify_consistency_proof(consistency_proof, size1, size2, sth1)
#print repr(sth1), repr(old_treehead)
#print repr(sth2), repr(new_treehead)
assert_equal(old_treehead, sth1, "sth1", nodata=True, quiet=True)
assert_equal(new_treehead, sth2, "sth2", nodata=True, quiet=True)
def get_and_check_entry(timestamp, chain, leaf_index, baseurl):
entries = get_entries(baseurl, leaf_index, leaf_index)
assert_equal(len(entries), 1, "get_entries", quiet=True)
fetched_entry = entries["entries"][0]
merkle_tree_leaf = pack_mtl(timestamp, c14n_dsrr(chain))
leaf_input = base64.decodestring(fetched_entry["leaf_input"])
assert_equal(leaf_input, merkle_tree_leaf, "entry", nodata=True, quiet=True)
extra_data = base64.decodestring(fetched_entry["extra_data"])
chain_fetched = unpack_rrset(decode_certificate_chain(extra_data)[0])
chain_submitted = unpack_rrset(chain)[1:]
# FIXME: Might not have submited trust anchors.
assert_equal(chain_fetched, chain_submitted, "chain", quiet=True)
def merge():
return subprocess.call(["../tools/merge", "--config", "../test/catlfish-test.cfg",
"--localconfig", "../test/catlfish-test-local-merge.cfg"])
mergeresult = merge()
assert_equal(mergeresult, 0, "merge", quiet=True, fatal=True)
for baseurl in baseurls:
print_and_check_tree_size(0, baseurl)
testgroup("rr1")
result1 = do_add_rr(rr1, baseurls[0])
mergeresult = merge()
assert_equal(mergeresult, 0, "merge", quiet=True, fatal=True)
size_sth = {}
for baseurl in baseurls:
print_and_check_tree_size(1, baseurl)
size_sth[1] = base64.b64decode(get_sth(baseurls[0])["sha256_root_hash"])
result2 = do_add_rr(rr1, baseurls[0])
assert_equal(result2["timestamp"], result1["timestamp"], "timestamp")
mergeresult = merge()
assert_equal(mergeresult, 0, "merge", quiet=True, fatal=True)
for baseurl in baseurls:
print_and_check_tree_size(1, baseurl)
size1_v2_sth = base64.b64decode(get_sth(baseurls[0])["sha256_root_hash"])
assert_equal(size_sth[1], size1_v2_sth, "sth", nodata=True)
# TODO: add an invalid chain and check that it generates an error and
# that treesize still is 1
get_and_validate_proof(result1["timestamp"], rr1, 0, 0, baseurls[0])
testgroup("proofs")
mergeresult = merge()
assert_equal(mergeresult, 0, "merge", quiet=True, fatal=True)
for first_size in range(1, 1):
for second_size in range(first_size + 1, 2):
get_and_validate_consistency_proof(size_sth[first_size],
size_sth[second_size],
first_size,
second_size,
baseurls[0])
print "-------"
if failures:
print failures, "failed tests" if failures != 1 else "failed test"
sys.exit(1)
else:
print "all tests succeeded"
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