freeipa/ipatests/test_ipapython/test_ipap11helper.py
Milan Kubik 59f024487e ipatests: port of p11helper test from github
Ported the github hosted [1] script to use pytest's abilities
and included it in ipatests/test_ipapython directory.

[1]: https://github.com/spacekpe/freeipa-pkcs11/blob/master/python/run.py

https://fedorahosted.org/freeipa/ticket/4829

Signed-off-by: Martin Basti <mbasti@redhat.com>
Reviewed-By: Martin Basti <mbasti@redhat.com>
2015-04-02 08:51:27 +00:00

277 lines
12 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 FreeIPA Contributors see COPYING for license
#
"""
Test the `ipapython/ipap11helper/p11helper.c` module.
"""
from binascii import hexlify
import os
import os.path
import logging
import subprocess
import tempfile
import pytest
from ipaplatform.paths import paths
import _ipap11helper
CONFIG_DATA = """
# SoftHSM v2 configuration file
directories.tokendir = %s/tokens
objectstore.backend = file
"""
LIBSOFTHSM = paths.LIBSOFTHSM2_SO
SOFTHSM2_UTIL = paths.SOFTHSM2_UTIL
logging.basicConfig(level=logging.INFO)
log = logging.getLogger('t')
master_key_label = u"master-ž" # random non-ascii character to test unicode
master_key_id = "m"
replica1_key_label = u"replica1"
replica1_key_id = "id1"
replica1_import_label = u"replica1-import"
replica1_import_id = "id1-import"
replica1_new_label = u"replica1-new-label-ž"
replica2_key_label = u"replica2"
replica2_key_id = "id2"
replica_non_existent_label = u"replica-nonexistent"
@pytest.fixture(scope="module")
def p11(request):
token_path = tempfile.mkdtemp(prefix='pytest_', suffix='_pkcs11')
os.chdir(token_path)
os.mkdir('tokens')
with open('softhsm2.conf', 'w') as cfg:
cfg.write(CONFIG_DATA % token_path)
os.environ['SOFTHSM2_CONF'] = os.path.join(token_path, 'softhsm2.conf')
subprocess.check_call([SOFTHSM2_UTIL, '--init-token', '--slot', '0',
'--label', 'test', '--pin', '1234', '--so-pin',
'1234'])
try:
p11 = _ipap11helper.P11_Helper(0, "1234", LIBSOFTHSM)
except _ipap11helper.Error:
pytest.fail('Failed to initialize the helper object.', pytrace=False)
def fin():
try:
p11.finalize()
except _ipap11helper.Error:
pytest.fail('Failed to finalize the helper object.', pytrace=False)
finally:
del os.environ['SOFTHSM2_CONF']
request.addfinalizer(fin)
return p11
class test_p11helper(object):
def test_generate_master_key(self, p11):
assert p11.generate_master_key(master_key_label, master_key_id,
key_length=16, cka_wrap=True,
cka_unwrap=True)
def test_search_for_master_key(self, p11):
master_key = p11.find_keys(_ipap11helper.KEY_CLASS_SECRET_KEY,
label=master_key_label, id=master_key_id)
assert len(master_key) == 1, "The master key should exist."
def test_generate_replica_key_pair(self, p11):
assert p11.generate_replica_key_pair(replica1_key_label,
replica1_key_id,
pub_cka_wrap=True,
priv_cka_unwrap=True)
def test_find_key(self, p11):
rep1_pub = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica1_key_label, cka_wrap=True)
assert len(rep1_pub) == 1, ("replica key pair has to contain "
"1 pub key instead of %s" % len(rep1_pub))
rep1_priv = p11.find_keys(_ipap11helper.KEY_CLASS_PRIVATE_KEY,
label=replica1_key_label, cka_unwrap=True)
assert len(rep1_priv) == 1, ("replica key pair has to contain 1 "
"private key instead of %s" %
len(rep1_priv))
def test_find_key_by_uri(self, p11):
rep1_pub = p11.find_keys(uri="pkcs11:object=replica1;objecttype=public")
assert len(rep1_pub) == 1, ("replica key pair has to contain 1 pub "
"key instead of %s" % len(rep1_pub))
def test_get_attribute_from_object(self, p11):
rep1_pub = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica1_key_label, cka_wrap=True)[0]
iswrap = p11.get_attribute(rep1_pub, _ipap11helper.CKA_WRAP)
assert iswrap is True, "replica public key has to have CKA_WRAP = TRUE"
def test_generate_replica_keypair_with_extractable_private_key(self, p11):
assert p11.generate_replica_key_pair(replica2_key_label,
replica2_key_id,
pub_cka_wrap=True,
priv_cka_unwrap=True,
priv_cka_extractable=True)
def test_find_key_on_nonexistent_key_pair(self, p11):
test_list = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica_non_existent_label)
assert len(test_list) == 0, ("list should be empty because label "
"'%s' should not exist" %
replica_non_existent_label)
def test_export_import_of_public_key(self, p11):
rep1_pub = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica1_key_label, cka_wrap=True)[0]
pub = p11.export_public_key(rep1_pub)
log.debug("Exported public key %s", hexlify(pub))
with open("public_key.asn1.der", "wb") as f:
f.write(pub)
rep1_pub_import = p11.import_public_key(replica1_import_label,
replica1_import_id,
pub,
cka_wrap=True)
log.debug('imported replica 1 public key: %s', rep1_pub_import)
# test public key import
rep1_modulus_orig = p11.get_attribute(rep1_pub,
_ipap11helper.CKA_MODULUS)
rep1_modulus_import = p11.get_attribute(rep1_pub_import,
_ipap11helper.CKA_MODULUS)
log.debug('rep1_modulus_orig = 0x%s', hexlify(rep1_modulus_orig))
log.debug('rep1_modulus_import = 0x%s', hexlify(rep1_modulus_import))
assert rep1_modulus_import == rep1_modulus_orig
rep1_pub_exp_orig = p11.get_attribute(
rep1_pub, _ipap11helper.CKA_PUBLIC_EXPONENT)
rep1_pub_exp_import = p11.get_attribute(
rep1_pub_import, _ipap11helper.CKA_PUBLIC_EXPONENT)
log.debug('rep1_pub_exp_orig = 0x%s', hexlify(rep1_pub_exp_orig))
log.debug('rep1_pub_exp_import = 0x%s', hexlify(rep1_pub_exp_import))
assert rep1_pub_exp_import == rep1_pub_exp_orig
def test_wrap_unwrap_key_by_master_key_with_AES(self, p11):
master_key = p11.find_keys(_ipap11helper.KEY_CLASS_SECRET_KEY,
label=master_key_label, id=master_key_id)[0]
rep2_priv = p11.find_keys(_ipap11helper.KEY_CLASS_PRIVATE_KEY,
label=replica2_key_label, cka_unwrap=True)[0]
log.debug("wrapping dnssec priv key by master key")
wrapped_priv = p11.export_wrapped_key(
rep2_priv, master_key, _ipap11helper.MECH_AES_KEY_WRAP_PAD
)
assert wrapped_priv
log.debug("wrapped_dnssec priv key: %s", hexlify(wrapped_priv))
with open("wrapped_priv.der", "wb") as f:
f.write(wrapped_priv)
assert p11.import_wrapped_private_key(
u'test_import_wrapped_priv',
'1',
wrapped_priv,
master_key,
_ipap11helper.MECH_AES_KEY_WRAP_PAD,
_ipap11helper.KEY_TYPE_RSA
)
def test_wrap_unwrap_key_by_master_key_with_RSA_PKCS(self, p11):
master_key = p11.find_keys(_ipap11helper.KEY_CLASS_SECRET_KEY,
label=master_key_label, id=master_key_id)[0]
rep2_pub = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica2_key_label, cka_wrap=True)[0]
rep2_priv = p11.find_keys(_ipap11helper.KEY_CLASS_PRIVATE_KEY,
label=replica2_key_label, cka_unwrap=True)[0]
wrapped = p11.export_wrapped_key(master_key,
rep2_pub,
_ipap11helper.MECH_RSA_PKCS)
assert wrapped
log.debug("wrapped key MECH_RSA_PKCS (secret master wrapped by pub "
"key): %s", hexlify(wrapped))
assert p11.import_wrapped_secret_key(u'test_import_wrapped',
'2',
wrapped,
rep2_priv,
_ipap11helper.MECH_RSA_PKCS,
_ipap11helper.KEY_TYPE_AES)
def test_wrap_unwrap_by_master_key_with_RSA_PKCS_OAEP(self, p11):
master_key = p11.find_keys(_ipap11helper.KEY_CLASS_SECRET_KEY,
label=master_key_label, id=master_key_id)[0]
rep2_pub = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica2_key_label, cka_wrap=True)[0]
rep2_priv = p11.find_keys(_ipap11helper.KEY_CLASS_PRIVATE_KEY,
label=replica2_key_label, cka_unwrap=True)[0]
wrapped = p11.export_wrapped_key(master_key,
rep2_pub,
_ipap11helper.MECH_RSA_PKCS_OAEP)
assert wrapped
log.debug("wrapped key MECH_RSA_PKCS_OAEP (secret master wrapped by "
"pub key): %s", hexlify(wrapped))
assert p11.import_wrapped_secret_key(u'test_import_wrapped',
'3',
wrapped,
rep2_priv,
_ipap11helper.MECH_RSA_PKCS_OAEP,
_ipap11helper.KEY_TYPE_AES)
def test_set_attribute_on_object(self, p11):
rep1_pub = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica1_key_label, cka_wrap=True)[0]
test_label = replica1_new_label
p11.set_attribute(rep1_pub, _ipap11helper.CKA_LABEL, test_label)
assert p11.get_attribute(rep1_pub, _ipap11helper.CKA_LABEL) \
== test_label, "The labels do not match."
def test_do_not_generate_identical_master_keys(self, p11):
with pytest.raises(_ipap11helper.DuplicationError):
p11.generate_master_key(master_key_label, master_key_id,
key_length=16)
master_key = p11.find_keys(_ipap11helper.KEY_CLASS_SECRET_KEY,
label=master_key_label)
assert len(master_key) == 1, ("There shouldn't be multiple keys "
"with the same label.")
def test_delete_key(self, p11):
master_key = p11.find_keys(_ipap11helper.KEY_CLASS_SECRET_KEY,
label=master_key_label, id=master_key_id)[0]
rep1_pub = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica1_new_label, cka_wrap=True)[0]
rep2_priv = p11.find_keys(_ipap11helper.KEY_CLASS_PRIVATE_KEY,
label=replica2_key_label, cka_unwrap=True)[0]
for key in (rep1_pub, rep2_priv, master_key):
p11.delete_key(key)
master_key = p11.find_keys(_ipap11helper.KEY_CLASS_SECRET_KEY,
label=master_key_label, id=master_key_id)
assert len(master_key) == 0, "The master key should be deleted."
rep1_pub = p11.find_keys(_ipap11helper.KEY_CLASS_PUBLIC_KEY,
label=replica1_new_label, cka_wrap=True)
assert len(rep1_pub) == 0, ("The public key of replica1 pair should "
"be deleted.")
rep2_priv = p11.find_keys(_ipap11helper.KEY_CLASS_PRIVATE_KEY,
label=replica2_key_label, cka_unwrap=True)
assert len(rep2_priv) == 0, ("The private key of replica2 pair should"
" be deleted.")