mirror of
https://github.com/theupdateframework/python-tuf
synced 2026-05-24 10:08:28 +00:00
028d1bc9f7
Currently, we are importing the "utils" module in tests/utils with "import utils". This could become a problem when there is another module with the same general name "utils" and could lead to import mistakes. Signed-off-by: Martin Vrachev <mvrachev@vmware.com>
234 lines
8.6 KiB
Python
Executable file
234 lines
8.6 KiB
Python
Executable file
#!/usr/bin/env python
|
|
|
|
# Copyright 2016 - 2017, New York University and the TUF contributors
|
|
# SPDX-License-Identifier: MIT OR Apache-2.0
|
|
|
|
"""
|
|
<Program Name>
|
|
test_root_versioning_integration.py
|
|
|
|
<Author>
|
|
Evan Cordell.
|
|
|
|
<Started>
|
|
July 21, 2016.
|
|
|
|
<Copyright>
|
|
See LICENSE-MIT OR LICENSE for licensing information.
|
|
|
|
<Purpose>
|
|
Test root versioning for efficient root key rotation.
|
|
"""
|
|
|
|
from __future__ import print_function
|
|
from __future__ import absolute_import
|
|
from __future__ import division
|
|
from __future__ import unicode_literals
|
|
|
|
import os
|
|
import logging
|
|
import tempfile
|
|
import shutil
|
|
import unittest
|
|
import sys
|
|
|
|
import tuf
|
|
import tuf.log
|
|
import tuf.formats
|
|
import tuf.exceptions
|
|
import tuf.roledb
|
|
import tuf.keydb
|
|
import tuf.repository_tool as repo_tool
|
|
|
|
from tests import utils
|
|
|
|
import securesystemslib
|
|
import securesystemslib.storage
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
repo_tool.disable_console_log_messages()
|
|
|
|
|
|
class TestRepository(unittest.TestCase):
|
|
|
|
@classmethod
|
|
def setUpClass(cls):
|
|
cls.temporary_directory = tempfile.mkdtemp(dir=os.getcwd())
|
|
|
|
@classmethod
|
|
def tearDownClass(cls):
|
|
shutil.rmtree(cls.temporary_directory)
|
|
|
|
def tearDown(self):
|
|
tuf.roledb.clear_roledb()
|
|
tuf.keydb.clear_keydb()
|
|
|
|
def test_init(self):
|
|
# Test normal case.
|
|
storage_backend = securesystemslib.storage.FilesystemBackend()
|
|
repository = repo_tool.Repository('repository_directory/',
|
|
'metadata_directory/',
|
|
'targets_directory/',
|
|
storage_backend)
|
|
self.assertTrue(isinstance(repository.root, repo_tool.Root))
|
|
self.assertTrue(isinstance(repository.snapshot, repo_tool.Snapshot))
|
|
self.assertTrue(isinstance(repository.timestamp, repo_tool.Timestamp))
|
|
self.assertTrue(isinstance(repository.targets, repo_tool.Targets))
|
|
|
|
# Test improperly formatted arguments.
|
|
self.assertRaises(securesystemslib.exceptions.FormatError, repo_tool.Repository, 3,
|
|
'metadata_directory/', 'targets_directory', storage_backend)
|
|
self.assertRaises(securesystemslib.exceptions.FormatError, repo_tool.Repository,
|
|
'repository_directory', 3, 'targets_directory', storage_backend)
|
|
self.assertRaises(securesystemslib.exceptions.FormatError, repo_tool.Repository,
|
|
'repository_directory', 'metadata_directory', storage_backend, 3)
|
|
|
|
|
|
|
|
def test_root_role_versioning(self):
|
|
# Test root role versioning
|
|
#
|
|
# 1. Import public and private keys.
|
|
# 2. Add verification keys.
|
|
# 3. Load signing keys.
|
|
# 4. Add target files.
|
|
# 5. Perform delegation.
|
|
# 6. writeall()
|
|
#
|
|
# Copy the target files from 'tuf/tests/repository_data' so that writeall()
|
|
# has target fileinfo to include in metadata.
|
|
temporary_directory = tempfile.mkdtemp(dir=self.temporary_directory)
|
|
targets_directory = os.path.join(temporary_directory, 'repository',
|
|
repo_tool.TARGETS_DIRECTORY_NAME)
|
|
original_targets_directory = os.path.join('repository_data',
|
|
'repository', 'targets')
|
|
shutil.copytree(original_targets_directory, targets_directory)
|
|
|
|
# In this case, create_new_repository() creates the 'repository/'
|
|
# sub-directory in 'temporary_directory' if it does not exist.
|
|
repository_directory = os.path.join(temporary_directory, 'repository')
|
|
metadata_directory = os.path.join(repository_directory,
|
|
repo_tool.METADATA_STAGED_DIRECTORY_NAME)
|
|
repository = repo_tool.create_new_repository(repository_directory)
|
|
|
|
|
|
|
|
|
|
# (1) Load the public and private keys of the top-level roles, and one
|
|
# delegated role.
|
|
keystore_directory = os.path.join('repository_data', 'keystore')
|
|
|
|
# Load the public keys.
|
|
root_pubkey_path = os.path.join(keystore_directory, 'root_key.pub')
|
|
targets_pubkey_path = os.path.join(keystore_directory, 'targets_key.pub')
|
|
snapshot_pubkey_path = os.path.join(keystore_directory, 'snapshot_key.pub')
|
|
timestamp_pubkey_path = os.path.join(keystore_directory, 'timestamp_key.pub')
|
|
role1_pubkey_path = os.path.join(keystore_directory, 'delegation_key.pub')
|
|
|
|
root_pubkey = repo_tool.import_rsa_publickey_from_file(root_pubkey_path)
|
|
targets_pubkey = repo_tool.import_ed25519_publickey_from_file(targets_pubkey_path)
|
|
snapshot_pubkey = \
|
|
repo_tool.import_ed25519_publickey_from_file(snapshot_pubkey_path)
|
|
timestamp_pubkey = \
|
|
repo_tool.import_ed25519_publickey_from_file(timestamp_pubkey_path)
|
|
role1_pubkey = repo_tool.import_ed25519_publickey_from_file(role1_pubkey_path)
|
|
|
|
# Load the private keys.
|
|
root_privkey_path = os.path.join(keystore_directory, 'root_key')
|
|
targets_privkey_path = os.path.join(keystore_directory, 'targets_key')
|
|
snapshot_privkey_path = os.path.join(keystore_directory, 'snapshot_key')
|
|
timestamp_privkey_path = os.path.join(keystore_directory, 'timestamp_key')
|
|
role1_privkey_path = os.path.join(keystore_directory, 'delegation_key')
|
|
|
|
root_privkey = \
|
|
repo_tool.import_rsa_privatekey_from_file(root_privkey_path, 'password')
|
|
targets_privkey = \
|
|
repo_tool.import_ed25519_privatekey_from_file(targets_privkey_path, 'password')
|
|
snapshot_privkey = \
|
|
repo_tool.import_ed25519_privatekey_from_file(snapshot_privkey_path,
|
|
'password')
|
|
timestamp_privkey = \
|
|
repo_tool.import_ed25519_privatekey_from_file(timestamp_privkey_path,
|
|
'password')
|
|
role1_privkey = \
|
|
repo_tool.import_ed25519_privatekey_from_file(role1_privkey_path,
|
|
'password')
|
|
|
|
|
|
# (2) Add top-level verification keys.
|
|
repository.root.add_verification_key(root_pubkey)
|
|
repository.targets.add_verification_key(targets_pubkey)
|
|
repository.snapshot.add_verification_key(snapshot_pubkey)
|
|
repository.timestamp.add_verification_key(timestamp_pubkey)
|
|
|
|
|
|
# (3) Load top-level signing keys.
|
|
repository.root.load_signing_key(root_privkey)
|
|
repository.targets.load_signing_key(targets_privkey)
|
|
repository.snapshot.load_signing_key(snapshot_privkey)
|
|
repository.timestamp.load_signing_key(timestamp_privkey)
|
|
|
|
# (4) Add target files.
|
|
target1 = 'file1.txt'
|
|
target2 = 'file2.txt'
|
|
target3 = 'file3.txt'
|
|
repository.targets.add_target(target1)
|
|
repository.targets.add_target(target2)
|
|
|
|
|
|
# (5) Perform delegation.
|
|
repository.targets.delegate('role1', [role1_pubkey], [target3])
|
|
repository.targets('role1').load_signing_key(role1_privkey)
|
|
|
|
# (6) Write repository.
|
|
repository.writeall()
|
|
|
|
self.assertTrue(os.path.exists(os.path.join(metadata_directory, 'root.json')))
|
|
self.assertTrue(os.path.exists(os.path.join(metadata_directory, '1.root.json')))
|
|
|
|
|
|
# Verify that the expected metadata is written.
|
|
root_filepath = os.path.join(metadata_directory, 'root.json')
|
|
root_1_filepath = os.path.join(metadata_directory, '1.root.json')
|
|
root_2_filepath = os.path.join(metadata_directory, '2.root.json')
|
|
old_root_signable = securesystemslib.util.load_json_file(root_filepath)
|
|
root_1_signable = securesystemslib.util.load_json_file(root_1_filepath)
|
|
|
|
# Make a change to the root keys
|
|
repository.root.add_verification_key(targets_pubkey)
|
|
repository.root.load_signing_key(targets_privkey)
|
|
repository.root.threshold = 2
|
|
repository.writeall()
|
|
|
|
new_root_signable = securesystemslib.util.load_json_file(root_filepath)
|
|
root_2_signable = securesystemslib.util.load_json_file(root_2_filepath)
|
|
|
|
for role_signable in [old_root_signable, new_root_signable, root_1_signable, root_2_signable]:
|
|
# Raise 'securesystemslib.exceptions.FormatError' if 'role_signable' is an
|
|
# invalid signable.
|
|
tuf.formats.check_signable_object_format(role_signable)
|
|
|
|
# Verify contents of versioned roots
|
|
self.assertEqual(old_root_signable, root_1_signable)
|
|
self.assertEqual(new_root_signable, root_2_signable)
|
|
|
|
self.assertEqual(root_1_signable['signed']['version'], 1)
|
|
self.assertEqual(root_2_signable['signed']['version'], 2)
|
|
|
|
repository.root.remove_verification_key(root_pubkey)
|
|
repository.root.unload_signing_key(root_privkey)
|
|
repository.root.threshold = 2
|
|
|
|
# Errors, not enough signing keys to satisfy old threshold
|
|
self.assertRaises(tuf.exceptions.UnsignedMetadataError, repository.writeall)
|
|
|
|
# No error, write() ignore's root's threshold and allows it to be written
|
|
# to disk partially signed.
|
|
repository.write('root')
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
utils.configure_test_logging(sys.argv)
|
|
unittest.main()
|