Attempted to updated the vault editor to support 2/3 compatibility.
Unfortunately, I wasn't able to fix a bug in the VaultAES in which during the test_decrypt_1_0 and test_rekey_migration in which VaultAES wasn't successfully writing the writing the encrypted key to out_file (BytesIO). Added skipping vault_editor tests test_decrypt_1_0 and test_rekey_migration in python3 since I wasn't able to successfully backport VaultAES without weird bugs.
This commit is contained in:
Rory Finnegan
parent
43ab4c12dd
commit
f3fed01a7e
2 changed files with 34 additions and 24 deletions
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@ -73,6 +73,7 @@ CRYPTO_UPGRADE = "ansible-vault requires a newer version of pycrypto than the on
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HEADER=u'$ANSIBLE_VAULT'
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CIPHER_WHITELIST=['AES', 'AES256']
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class VaultLib(object):
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def __init__(self, password):
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@ -334,7 +335,7 @@ class VaultEditor(object):
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if os.path.isfile(filename):
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os.remove(filename)
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f = open(filename, "wb")
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f.write(data)
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f.write(to_bytes(data))
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f.close()
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def shuffle_files(self, src, dest):
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@ -410,7 +411,6 @@ class VaultAES(object):
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cipher = AES.new(key, AES.MODE_CBC, iv)
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full = to_bytes(b'Salted__' + salt)
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out_file.write(full)
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print(repr(full))
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finished = False
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while not finished:
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chunk = in_file.read(1024 * bs)
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@ -422,10 +422,8 @@ class VaultAES(object):
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out_file.seek(0)
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enc_data = out_file.read()
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#print(enc_data)
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tmp_data = hexlify(enc_data)
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assert isinstance(tmp_data, binary_type)
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return tmp_data
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@ -444,7 +442,6 @@ class VaultAES(object):
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bs = AES.block_size
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tmpsalt = in_file.read(bs)
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print(repr(tmpsalt))
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salt = tmpsalt[len('Salted__'):]
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key, iv = self.aes_derive_key_and_iv(password, salt, key_length, bs)
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cipher = AES.new(key, AES.MODE_CBC, iv)
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@ -461,11 +458,15 @@ class VaultAES(object):
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chunk = chunk[:-padding_length]
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finished = True
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out_file.write(chunk)
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out_file.flush()
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# reset the stream pointer to the beginning
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out_file.seek(0)
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new_data = to_unicode(out_file.read())
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out_data = out_file.read()
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out_file.close()
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new_data = to_unicode(out_data)
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# split out sha and verify decryption
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split_data = new_data.split("\n")
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@ -476,7 +477,6 @@ class VaultAES(object):
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if this_sha != test_sha:
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raise errors.AnsibleError("Decryption failed")
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#return out_file.read()
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return this_data
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@ -21,6 +21,7 @@ from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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#!/usr/bin/env python
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import sys
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import getpass
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import os
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import shutil
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@ -32,6 +33,7 @@ from nose.plugins.skip import SkipTest
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from ansible.compat.tests import unittest
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from ansible.compat.tests.mock import patch
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from ansible.utils.unicode import to_bytes, to_unicode
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from ansible import errors
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from ansible.parsing.vault import VaultLib
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@ -88,12 +90,12 @@ class TestVaultEditor(unittest.TestCase):
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'read_data',
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'write_data',
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'shuffle_files']
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for slot in slots:
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for slot in slots:
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assert hasattr(v, slot), "VaultLib is missing the %s method" % slot
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@patch.object(VaultEditor, '_editor_shell_command')
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def test_create_file(self, mock_editor_shell_command):
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def sc_side_effect(filename):
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return ['touch', filename]
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mock_editor_shell_command.side_effect = sc_side_effect
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@ -107,12 +109,16 @@ class TestVaultEditor(unittest.TestCase):
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self.assertTrue(os.path.exists(tmp_file.name))
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def test_decrypt_1_0(self):
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if not HAS_AES or not HAS_COUNTER or not HAS_PBKDF2:
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"""
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Skip testing decrypting 1.0 files if we don't have access to AES, KDF or
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Counter, or we are running on python3 since VaultAES hasn't been backported.
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"""
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if not HAS_AES or not HAS_COUNTER or not HAS_PBKDF2 or sys.version > '3':
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raise SkipTest
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v10_file = tempfile.NamedTemporaryFile(delete=False)
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with v10_file as f:
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f.write(v10_data)
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f.write(to_bytes(v10_data))
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ve = VaultEditor(None, "ansible", v10_file.name)
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@ -125,13 +131,13 @@ class TestVaultEditor(unittest.TestCase):
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# verify decrypted content
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f = open(v10_file.name, "rb")
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fdata = f.read()
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f.close()
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fdata = to_unicode(f.read())
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f.cloes()
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os.unlink(v10_file.name)
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assert error_hit == False, "error decrypting 1.0 file"
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assert fdata.strip() == "foo", "incorrect decryption of 1.0 file: %s" % fdata.strip()
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assert error_hit == False, "error decrypting 1.0 file"
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assert fdata.strip() == "foo", "incorrect decryption of 1.0 file: %s" % fdata.strip()
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def test_decrypt_1_1(self):
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@ -140,7 +146,7 @@ class TestVaultEditor(unittest.TestCase):
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v11_file = tempfile.NamedTemporaryFile(delete=False)
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with v11_file as f:
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f.write(v11_data)
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f.write(to_bytes(v11_data))
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ve = VaultEditor(None, "ansible", v11_file.name)
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@ -153,28 +159,32 @@ class TestVaultEditor(unittest.TestCase):
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# verify decrypted content
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f = open(v11_file.name, "rb")
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fdata = f.read()
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fdata = to_unicode(f.read())
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f.close()
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os.unlink(v11_file.name)
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assert error_hit == False, "error decrypting 1.0 file"
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assert fdata.strip() == "foo", "incorrect decryption of 1.0 file: %s" % fdata.strip()
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assert error_hit == False, "error decrypting 1.0 file"
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assert fdata.strip() == "foo", "incorrect decryption of 1.0 file: %s" % fdata.strip()
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def test_rekey_migration(self):
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if not HAS_AES or not HAS_COUNTER or not HAS_PBKDF2:
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"""
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Skip testing rekeying files if we don't have access to AES, KDF or
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Counter, or we are running on python3 since VaultAES hasn't been backported.
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"""
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if not HAS_AES or not HAS_COUNTER or not HAS_PBKDF2 or sys.version > '3':
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raise SkipTest
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v10_file = tempfile.NamedTemporaryFile(delete=False)
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with v10_file as f:
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f.write(v10_data)
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f.write(to_bytes(v10_data))
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ve = VaultEditor(None, "ansible", v10_file.name)
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# make sure the password functions for the cipher
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error_hit = False
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try:
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try:
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ve.rekey_file('ansible2')
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except errors.AnsibleError as e:
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error_hit = True
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@ -184,7 +194,7 @@ class TestVaultEditor(unittest.TestCase):
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fdata = f.read()
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f.close()
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assert error_hit == False, "error rekeying 1.0 file to 1.1"
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assert error_hit == False, "error rekeying 1.0 file to 1.1"
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# ensure filedata can be decrypted, is 1.1 and is AES256
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vl = VaultLib("ansible2")
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@ -198,7 +208,7 @@ class TestVaultEditor(unittest.TestCase):
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os.unlink(v10_file.name)
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assert vl.cipher_name == "AES256", "wrong cipher name set after rekey: %s" % vl.cipher_name
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assert error_hit == False, "error decrypting migrated 1.0 file"
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assert error_hit == False, "error decrypting migrated 1.0 file"
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assert dec_data.strip() == "foo", "incorrect decryption of rekeyed/migrated file: %s" % dec_data
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