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Support multiple vault passwords (#22756)

Browse source 
Fixes #13243

** Add --vault-id to name/identify multiple vault passwords

Use --vault-id to indicate id and path/type

 --vault-id=prompt  # prompt for default vault id password
 --vault-id=myorg@prompt  # prompt for a vault_id named 'myorg'
 --vault-id=a_password_file  # load ./a_password_file for default id
 --vault-id=myorg@a_password_file # load file for 'myorg' vault id

vault_id's are created implicitly for existing --vault-password-file
and --ask-vault-pass options.

Vault ids are just for UX purposes and bookkeeping. Only the vault
payload and the password bytestring is needed to decrypt a
vault blob.

Replace passing password around everywhere with
a VaultSecrets object.

If we specify a vault_id, mention that in password prompts

Specifying multiple -vault-password-files will
now try each until one works

** Rev vault format in a backwards compatible way

The 1.2 vault format adds the vault_id to the header line
of the vault text. This is backwards compatible with older
versions of ansible. Old versions will just ignore it and
treat it as the default (and only) vault id.

Note: only 2.4+ supports multiple vault passwords, so while
earlier ansible versions can read the vault-1.2 format, it
does not make them magically support multiple vault passwords.

use 1.1 format for 'default' vault_id

Vaulted items that need to include a vault_id will be
written in 1.2 format.

If we set a new DEFAULT_VAULT_IDENTITY, then the default will
use version 1.2

vault will only use a vault_id if one is specified. So if none
is specified and C.DEFAULT_VAULT_IDENTITY is 'default'
we use the old format.

** Changes/refactors needed to implement multiple vault passwords

raise exceptions on decrypt fail, check vault id early

split out parsing the vault plaintext envelope (with the
sha/original plaintext) to _split_plaintext_envelope()

some cli fixups for specifying multiple paths in
the unfrack_paths optparse callback

fix py3 dict.keys() 'dict_keys object is not indexable' error

pluralize cli.options.vault_password_file -> vault_password_files
pluralize cli.options.new_vault_password_file -> new_vault_password_files
pluralize cli.options.vault_id -> cli.options.vault_ids

** Add a config option (vault_id_match) to force vault id matching.

With 'vault_id_match=True' and an ansible
vault that provides a vault_id, then decryption will require
that a matching vault_id is required. (via
--vault-id=my_vault_id@password_file, for ex).

In other words, if the config option is true, then only
the vault secrets with matching vault ids are candidates for
decrypting a vault. If option is false (the default), then
all of the provided vault secrets will be selected.

If a user doesn't want all vault secrets to be tried to
decrypt any vault content, they can enable this option.

Note: The vault id used for the match is not encrypted or
cryptographically signed. It is just a label/id/nickname used
for referencing a specific vault secret.
This commit is contained in:
Adrian Likins 2017-07-28 15:20:58 -04:00 • committed by GitHub
commit 934b645191
34 changed files with 1922 additions and 345 deletions
Download patch file Download diff file Expand all files Collapse all files

124
test/units/parsing/vault/test_vault_editor.py
View file

@ -30,8 +30,11 @@ from ansible.compat.tests.mock import patch
from ansible import errors
from ansible.parsing import vault
from ansible.parsing.vault import VaultLib, VaultEditor, match_encrypt_secret
from ansible.module_utils._text import to_bytes, to_text
from units.mock.vault_helper import TextVaultSecret
v10_data = """$ANSIBLE_VAULT;1.0;AES
53616c7465645f5fd0026926a2d415a28a2622116273fbc90e377225c12a347e1daf4456d36a77f9
@ -52,6 +55,14 @@ class TestVaultEditor(unittest.TestCase):
def setUp(self):
self._test_dir = None
self.vault_password = "test-vault-password"
vault_secret = TextVaultSecret(self.vault_password)
self.vault_secrets = [('vault_secret', vault_secret),
('default', vault_secret)]
@property
def vault_secret(self):
return match_encrypt_secret(self.vault_secrets)[1]
def tearDown(self):
if self._test_dir:
@ -59,6 +70,11 @@ class TestVaultEditor(unittest.TestCase):
# shutil.rmtree(self._test_dir)
self._test_dir = None
def _secrets(self, password):
vault_secret = TextVaultSecret(password)
vault_secrets = [('default', vault_secret)]
return vault_secrets
def test_methods_exist(self):
v = vault.VaultEditor(None)
slots = ['create_file',
@ -83,6 +99,11 @@ class TestVaultEditor(unittest.TestCase):
opened_file.close()
return file_path
def _vault_editor(self, vault_secrets=None):
if vault_secrets is None:
vault_secrets = self._secrets(self.vault_password)
return VaultEditor(VaultLib(vault_secrets))
@patch('ansible.parsing.vault.call')
def test_edit_file_helper_empty_target(self, mock_sp_call):
self._test_dir = self._create_test_dir()
@ -91,9 +112,9 @@ class TestVaultEditor(unittest.TestCase):
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
mock_sp_call.side_effect = self._faux_command
ve = vault.VaultEditor('password')
ve = self._vault_editor()
b_ciphertext = ve._edit_file_helper(src_file_path)
b_ciphertext = ve._edit_file_helper(src_file_path, self.vault_secret)
self.assertNotEqual(src_contents, b_ciphertext)
@ -107,12 +128,13 @@ class TestVaultEditor(unittest.TestCase):
error_txt = 'calling editor raised an exception'
mock_sp_call.side_effect = errors.AnsibleError(error_txt)
ve = vault.VaultEditor('password')
ve = self._vault_editor()
self.assertRaisesRegexp(errors.AnsibleError,
error_txt,
ve._edit_file_helper,
src_file_path)
src_file_path,
self.vault_secret)
@patch('ansible.parsing.vault.call')
def test_edit_file_helper_symlink_target(self, mock_sp_call):
@ -126,9 +148,9 @@ class TestVaultEditor(unittest.TestCase):
os.symlink(src_file_path, src_file_link_path)
mock_sp_call.side_effect = self._faux_command
ve = vault.VaultEditor('password')
ve = self._vault_editor()
b_ciphertext = ve._edit_file_helper(src_file_link_path)
b_ciphertext = ve._edit_file_helper(src_file_link_path, self.vault_secret)
self.assertNotEqual(src_file_contents, b_ciphertext,
'b_ciphertext should be encrypted and not equal to src_contents')
@ -160,9 +182,9 @@ class TestVaultEditor(unittest.TestCase):
self._faux_editor(editor_args, src_file_contents)
mock_sp_call.side_effect = faux_editor
ve = vault.VaultEditor('password')
ve = self._vault_editor()
ve._edit_file_helper(src_file_path, existing_data=src_file_contents)
ve._edit_file_helper(src_file_path, self.vault_secret, existing_data=src_file_contents)
new_target_file = open(src_file_path, 'rb')
new_target_file_contents = new_target_file.read()
@ -193,13 +215,17 @@ class TestVaultEditor(unittest.TestCase):
src_file_contents = to_bytes("some info in a file\nyup.")
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
ve = vault.VaultEditor('password')
ve.encrypt_file(src_file_path)
ve = self._vault_editor()
ve.encrypt_file(src_file_path, self.vault_secret)
# FIXME: update to just set self._secrets or just a new vault secret id
new_password = 'password2:electricbugaloo'
ve.rekey_file(src_file_path, new_password)
new_vault_secret = TextVaultSecret(new_password)
new_vault_secrets = [('default', new_vault_secret)]
ve.rekey_file(src_file_path, vault.match_encrypt_secret(new_vault_secrets)[1])
new_ve = vault.VaultEditor(new_password)
# FIXME: can just update self._secrets here
new_ve = vault.VaultEditor(VaultLib(new_vault_secrets))
self._assert_file_is_encrypted(new_ve, src_file_path, src_file_contents)
def test_rekey_file_no_new_password(self):
@ -208,8 +234,8 @@ class TestVaultEditor(unittest.TestCase):
src_file_contents = to_bytes("some info in a file\nyup.")
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
ve = vault.VaultEditor('password')
ve.encrypt_file(src_file_path)
ve = self._vault_editor()
ve.encrypt_file(src_file_path, self.vault_secret)
self.assertRaisesRegexp(errors.AnsibleError,
'The value for the new_password to rekey',
@ -223,7 +249,7 @@ class TestVaultEditor(unittest.TestCase):
src_file_contents = to_bytes("some info in a file\nyup.")
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
ve = vault.VaultEditor('password')
ve = self._vault_editor()
new_password = 'password2:electricbugaloo'
self.assertRaisesRegexp(errors.AnsibleError,
@ -237,11 +263,11 @@ class TestVaultEditor(unittest.TestCase):
src_file_contents = to_bytes("some info in a file\nyup.")
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
ve = vault.VaultEditor('password')
ve.encrypt_file(src_file_path)
ve = self._vault_editor()
ve.encrypt_file(src_file_path, self.vault_secret)
res = ve.plaintext(src_file_path)
self.assertEquals(src_file_contents, res)
self.assertEqual(src_file_contents, res)
def test_plaintext_not_encrypted(self):
self._test_dir = self._create_test_dir()
@ -249,7 +275,7 @@ class TestVaultEditor(unittest.TestCase):
src_file_contents = to_bytes("some info in a file\nyup.")
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
ve = vault.VaultEditor('password')
ve = self._vault_editor()
self.assertRaisesRegexp(errors.AnsibleError,
'input is not vault encrypted data',
ve.plaintext,
@ -260,8 +286,8 @@ class TestVaultEditor(unittest.TestCase):
src_file_contents = to_bytes("some info in a file\nyup.")
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_file_contents)
ve = vault.VaultEditor('password')
ve.encrypt_file(src_file_path)
ve = self._vault_editor()
ve.encrypt_file(src_file_path, self.vault_secret)
self._assert_file_is_encrypted(ve, src_file_path, src_file_contents)
@ -274,8 +300,8 @@ class TestVaultEditor(unittest.TestCase):
src_file_link_path = os.path.join(self._test_dir, 'a_link_to_dest_file')
os.symlink(src_file_path, src_file_link_path)
ve = vault.VaultEditor('password')
ve.encrypt_file(src_file_link_path)
ve = self._vault_editor()
ve.encrypt_file(src_file_link_path, self.vault_secret)
self._assert_file_is_encrypted(ve, src_file_path, src_file_contents)
self._assert_file_is_encrypted(ve, src_file_link_path, src_file_contents)
@ -296,9 +322,9 @@ class TestVaultEditor(unittest.TestCase):
mock_sp_call.side_effect = faux_editor
ve = vault.VaultEditor('password')
ve = self._vault_editor()
ve.encrypt_file(src_file_path)
ve.encrypt_file(src_file_path, self.vault_secret)
ve.edit_file(src_file_path)
new_src_file = open(src_file_path, 'rb')
@ -308,7 +334,6 @@ class TestVaultEditor(unittest.TestCase):
self.assertEqual(src_file_plaintext, new_src_contents)
new_stat = os.stat(src_file_path)
print(new_stat)
@patch('ansible.parsing.vault.call')
def test_edit_file_symlink(self, mock_sp_call):
@ -324,9 +349,9 @@ class TestVaultEditor(unittest.TestCase):
mock_sp_call.side_effect = faux_editor
ve = vault.VaultEditor('password')
ve = self._vault_editor()
ve.encrypt_file(src_file_path)
ve.encrypt_file(src_file_path, self.vault_secret)
src_file_link_path = os.path.join(self._test_dir, 'a_link_to_dest_file')
@ -360,7 +385,7 @@ class TestVaultEditor(unittest.TestCase):
mock_sp_call.side_effect = faux_editor
ve = vault.VaultEditor('password')
ve = self._vault_editor()
self.assertRaisesRegexp(errors.AnsibleError,
'input is not vault encrypted data',
ve.edit_file,
@ -371,18 +396,19 @@ class TestVaultEditor(unittest.TestCase):
src_contents = to_bytes("some info in a file\nyup.")
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
ve = vault.VaultEditor('password')
ve = self._vault_editor()
self.assertRaisesRegexp(errors.AnsibleError,
'please use .edit. instead',
ve.create_file,
src_file_path)
src_file_path,
self.vault_secret)
def test_decrypt_file_exception(self):
self._test_dir = self._create_test_dir()
src_contents = to_bytes("some info in a file\nyup.")
src_file_path = self._create_file(self._test_dir, 'src_file', content=src_contents)
ve = vault.VaultEditor('password')
ve = self._vault_editor()
self.assertRaisesRegexp(errors.AnsibleError,
'input is not vault encrypted data',
ve.decrypt_file,
@ -398,8 +424,9 @@ class TestVaultEditor(unittest.TestCase):
tmp_file = tempfile.NamedTemporaryFile()
os.unlink(tmp_file.name)
ve = vault.VaultEditor("ansible")
ve.create_file(tmp_file.name)
_secrets = self._secrets('ansible')
ve = self._vault_editor(_secrets)
ve.create_file(tmp_file.name, vault.match_encrypt_secret(_secrets)[1])
self.assertTrue(os.path.exists(tmp_file.name))
@ -409,7 +436,7 @@ class TestVaultEditor(unittest.TestCase):
with v10_file as f:
f.write(to_bytes(v10_data))
ve = vault.VaultEditor("ansible")
ve = self._vault_editor(self._secrets("ansible"))
# make sure the password functions for the cipher
error_hit = False
@ -417,6 +444,7 @@ class TestVaultEditor(unittest.TestCase):
ve.decrypt_file(v10_file.name)
except errors.AnsibleError:
error_hit = True
raise
# verify decrypted content
f = open(v10_file.name, "rb")
@ -426,7 +454,7 @@ class TestVaultEditor(unittest.TestCase):
os.unlink(v10_file.name)
assert error_hit is False, "error decrypting 1.0 file"
self.assertEquals(fdata.strip(), "foo")
self.assertEqual(fdata.strip(), "foo")
assert fdata.strip() == "foo", "incorrect decryption of 1.0 file: %s" % fdata.strip()
def test_decrypt_1_1(self):
@ -434,13 +462,14 @@ class TestVaultEditor(unittest.TestCase):
with v11_file as f:
f.write(to_bytes(v11_data))
ve = vault.VaultEditor("ansible")
ve = self._vault_editor(self._secrets("ansible"))
# make sure the password functions for the cipher
error_hit = False
try:
ve.decrypt_file(v11_file.name)
except errors.AnsibleError:
raise
error_hit = True
# verify decrypted content
@ -450,21 +479,23 @@ class TestVaultEditor(unittest.TestCase):
os.unlink(v11_file.name)
assert error_hit is False, "error decrypting 1.0 file"
assert fdata.strip() == "foo", "incorrect decryption of 1.0 file: %s" % fdata.strip()
assert error_hit is False, "error decrypting 1.1 file"
assert fdata.strip() == "foo", "incorrect decryption of 1.1 file: %s" % fdata.strip()
def test_rekey_migration(self):
v10_file = tempfile.NamedTemporaryFile(delete=False)
with v10_file as f:
f.write(to_bytes(v10_data))
ve = vault.VaultEditor("ansible")
ve = self._vault_editor(self._secrets("ansible"))
# make sure the password functions for the cipher
error_hit = False
new_secrets = self._secrets("ansible2")
try:
ve.rekey_file(v10_file.name, 'ansible2')
ve.rekey_file(v10_file.name, vault.match_encrypt_secret(new_secrets)[1])
except errors.AnsibleError:
raise
error_hit = True
# verify decrypted content
@ -475,30 +506,31 @@ class TestVaultEditor(unittest.TestCase):
assert error_hit is False, "error rekeying 1.0 file to 1.1"
# ensure filedata can be decrypted, is 1.1 and is AES256
vl = vault.VaultLib("ansible2")
vl = VaultLib(new_secrets)
dec_data = None
error_hit = False
try:
dec_data = vl.decrypt(fdata)
except errors.AnsibleError:
raise
error_hit = True
os.unlink(v10_file.name)
assert vl.cipher_name == "AES256", "wrong cipher name set after rekey: %s" % vl.cipher_name
self.assertIn(b'AES256', fdata, 'AES256 was not found in vault file %s' % to_text(fdata))
assert error_hit is False, "error decrypting migrated 1.0 file"
assert dec_data.strip() == b"foo", "incorrect decryption of rekeyed/migrated file: %s" % dec_data
def test_real_path_dash(self):
filename = '-'
ve = vault.VaultEditor('password')
ve = self._vault_editor()
res = ve._real_path(filename)
self.assertEqual(res, '-')
def test_real_path_dev_null(self):
filename = '/dev/null'
ve = vault.VaultEditor('password')
ve = self._vault_editor()
res = ve._real_path(filename)
self.assertEqual(res, '/dev/null')
@ -510,7 +542,7 @@ class TestVaultEditor(unittest.TestCase):
os.symlink(file_path, file_link_path)
ve = vault.VaultEditor('password')
ve = self._vault_editor()
res = ve._real_path(file_link_path)
self.assertEqual(res, file_path)