From e00f3153580932f1177d21e2bf7cb23793b9a85d Mon Sep 17 00:00:00 2001 From: Felix Fontein Date: Mon, 18 Mar 2019 17:34:47 +0100 Subject: [PATCH] openssl_privatekey: add backup option (#53593) * Add backup option to openssl_privatekey. * Add changelog fragment. * Make module available in remove(). * Add tests for backup. * Update lib/ansible/modules/crypto/openssl_privatekey.py Co-Authored-By: felixfontein * Update lib/ansible/modules/crypto/openssl_privatekey.py Co-Authored-By: felixfontein * Update lib/ansible/modules/crypto/openssl_privatekey.py Co-Authored-By: felixfontein * Update lib/ansible/modules/crypto/openssl_privatekey.py --- .../53593-openssl_privatekey-backup.yml | 2 ++ lib/ansible/module_utils/crypto.py | 2 +- .../modules/crypto/openssl_certificate.py | 2 +- lib/ansible/modules/crypto/openssl_csr.py | 2 +- lib/ansible/modules/crypto/openssl_pkcs12.py | 10 +++--- .../modules/crypto/openssl_privatekey.py | 32 ++++++++++++++++++- .../modules/crypto/openssl_publickey.py | 4 +-- .../targets/openssl_privatekey/tasks/impl.yml | 25 +++++++++++++++ .../openssl_privatekey/tests/validate.yml | 13 ++++++++ 9 files changed, 81 insertions(+), 11 deletions(-) create mode 100644 changelogs/fragments/53593-openssl_privatekey-backup.yml diff --git a/changelogs/fragments/53593-openssl_privatekey-backup.yml b/changelogs/fragments/53593-openssl_privatekey-backup.yml new file mode 100644 index 0000000000..55a9a4ddab --- /dev/null +++ b/changelogs/fragments/53593-openssl_privatekey-backup.yml @@ -0,0 +1,2 @@ +minor_changes: +- "openssl_privatekey - add ``backup`` option." diff --git a/lib/ansible/module_utils/crypto.py b/lib/ansible/module_utils/crypto.py index 629cc0a0e8..6bee5d7c06 100644 --- a/lib/ansible/module_utils/crypto.py +++ b/lib/ansible/module_utils/crypto.py @@ -230,7 +230,7 @@ class OpenSSLObject(object): pass - def remove(self): + def remove(self, module): """Remove the resource from the filesystem.""" try: diff --git a/lib/ansible/modules/crypto/openssl_certificate.py b/lib/ansible/modules/crypto/openssl_certificate.py index 56135963b7..ba91773176 100644 --- a/lib/ansible/modules/crypto/openssl_certificate.py +++ b/lib/ansible/modules/crypto/openssl_certificate.py @@ -1220,7 +1220,7 @@ def main(): module.exit_json(**result) try: - certificate.remove() + certificate.remove(module) except CertificateError as exc: module.fail_json(msg=to_native(exc)) diff --git a/lib/ansible/modules/crypto/openssl_csr.py b/lib/ansible/modules/crypto/openssl_csr.py index 6edf48d961..bb8bfb0ac3 100644 --- a/lib/ansible/modules/crypto/openssl_csr.py +++ b/lib/ansible/modules/crypto/openssl_csr.py @@ -1046,7 +1046,7 @@ def main(): module.exit_json(**result) try: - csr.remove() + csr.remove(module) except (CertificateSigningRequestError, crypto_utils.OpenSSLObjectError) as exc: module.fail_json(msg=to_native(exc)) diff --git a/lib/ansible/modules/crypto/openssl_pkcs12.py b/lib/ansible/modules/crypto/openssl_pkcs12.py index 1d39d61695..0cf2ab1abf 100644 --- a/lib/ansible/modules/crypto/openssl_pkcs12.py +++ b/lib/ansible/modules/crypto/openssl_pkcs12.py @@ -241,7 +241,7 @@ class Pkcs(crypto_utils.OpenSSLObject): self.pkcs12 = crypto.PKCS12() try: - self.remove() + self.remove(module) except PkcsError as exc: module.fail_json(msg=to_native(exc)) @@ -274,14 +274,14 @@ class Pkcs(crypto_utils.OpenSSLObject): self.iter_size, self.maciter_size)) os.close(pkcs12_file) except (IOError, OSError) as exc: - self.remove() + self.remove(module) raise PkcsError(exc) def parse(self, module): """Read PKCS#12 file.""" try: - self.remove() + self.remove(module) with open(self.src, 'rb') as pkcs12_fh: pkcs12_content = pkcs12_fh.read() p12 = crypto.load_pkcs12(pkcs12_content, @@ -298,7 +298,7 @@ class Pkcs(crypto_utils.OpenSSLObject): os.close(pkcs12_file) except IOError as exc: - self.remove() + self.remove(module) raise PkcsError(exc) @@ -378,7 +378,7 @@ def main(): if os.path.exists(module.params['path']): try: - pkcs12.remove() + pkcs12.remove(module) changed = True except PkcsError as exc: module.fail_json(msg=to_native(exc)) diff --git a/lib/ansible/modules/crypto/openssl_privatekey.py b/lib/ansible/modules/crypto/openssl_privatekey.py index 91f4866f9e..8955de73f9 100644 --- a/lib/ansible/modules/crypto/openssl_privatekey.py +++ b/lib/ansible/modules/crypto/openssl_privatekey.py @@ -23,6 +23,11 @@ description: L(ECC,https://en.wikipedia.org/wiki/Elliptic-curve_cryptography) private keys. - Keys are generated in PEM format. + - "Please note that the module regenerates private keys if they don't match + the module's options. In particular, if you provide another passphrase + (or specify none), change the keysize, etc., the private key will be + regenerated. If you are concerned that this could overwrite your private key, + consider using the I(backup) option." - The module can use the cryptography Python library, or the pyOpenSSL Python library. By default, it tries to detect which one is available. This can be overridden with the I(select_crypto_backend) option." @@ -111,6 +116,13 @@ options: default: auto choices: [ auto, cryptography, pyopenssl ] version_added: "2.8" + backup: + description: + - Create a backup file including a timestamp so you can get + the original private key back if you overwrote it with a new one by accident. + type: bool + default: no + version_added: "2.8" extends_documentation_fragment: - files seealso: @@ -182,6 +194,11 @@ fingerprint: sha256: "41:ab:c7:cb:d5:5f:30:60:46:99:ac:d4:00:70:cf:a1:76:4f:24:5d:10:24:57:5d:51:6e:09:97:df:2f:de:c7" sha384: "85:39:50:4e:de:d9:19:33:40:70:ae:10:ab:59:24:19:51:c3:a2:e4:0b:1c:b1:6e:dd:b3:0c:d9:9e:6a:46:af:da:18:f8:ef:ae:2e:c0:9a:75:2c:9b:b3:0f:3a:5f:3d" sha512: "fd:ed:5e:39:48:5f:9f:fe:7f:25:06:3f:79:08:cd:ee:a5:e7:b3:3d:13:82:87:1f:84:e1:f5:c7:28:77:53:94:86:56:38:69:f0:d9:35:22:01:1e:a6:60:...:0f:9b" +backup_file: + description: Name of backup file created. + returned: changed and if I(backup) is C(yes) + type: str + sample: /path/to/privatekey.pem.2019-03-09@11:22~ ''' import abc @@ -255,6 +272,9 @@ class PrivateKeyBase(crypto_utils.OpenSSLObject): self.privatekey = None self.fingerprint = {} + self.backup = module.params['backup'] + self.backup_path = None + self.mode = module.params.get('mode', None) if self.mode is None: self.mode = 0o600 @@ -271,6 +291,8 @@ class PrivateKeyBase(crypto_utils.OpenSSLObject): """Generate a keypair.""" if not self.check(module, perms_required=False) or self.force: + if self.backup: + self.backup_file = module.backup_local(self.path) privatekey_data = self._generate_private_key_data() try: privatekey_file = os.open(self.path, os.O_WRONLY | os.O_CREAT | os.O_TRUNC) @@ -298,6 +320,11 @@ class PrivateKeyBase(crypto_utils.OpenSSLObject): if module.set_fs_attributes_if_different(file_args, False): self.changed = True + def remove(self, module): + if self.backup: + self.backup_file = module.backup_local(self.path) + super(PrivateKeyBase, self).remove(module) + @abc.abstractmethod def _check_passphrase(self): pass @@ -325,6 +352,8 @@ class PrivateKeyBase(crypto_utils.OpenSSLObject): 'changed': self.changed, 'fingerprint': self.fingerprint, } + if self.backup_path: + result['backup_path'] = self.backup_path return result @@ -583,6 +612,7 @@ def main(): path=dict(type='path', required=True), passphrase=dict(type='str', no_log=True), cipher=dict(type='str'), + backup=dict(type='bool', default=False), select_crypto_backend=dict(type='str', choices=['auto', 'pyopenssl', 'cryptography'], default='auto'), ), supports_check_mode=True, @@ -656,7 +686,7 @@ def main(): module.exit_json(**result) try: - private_key.remove() + private_key.remove(module) except PrivateKeyError as exc: module.fail_json(msg=to_native(exc)) diff --git a/lib/ansible/modules/crypto/openssl_publickey.py b/lib/ansible/modules/crypto/openssl_publickey.py index be0f4bd50f..8d8292a5d6 100644 --- a/lib/ansible/modules/crypto/openssl_publickey.py +++ b/lib/ansible/modules/crypto/openssl_publickey.py @@ -205,7 +205,7 @@ class PublicKey(crypto_utils.OpenSSLObject): except (IOError, OSError) as exc: raise PublicKeyError(exc) except AttributeError as exc: - self.remove() + self.remove(module) raise PublicKeyError('You need to have PyOpenSSL>=16.0.0 to generate public keys') self.fingerprint = crypto_utils.get_fingerprint( @@ -315,7 +315,7 @@ def main(): module.exit_json(**result) try: - public_key.remove() + public_key.remove(module) except PublicKeyError as exc: module.fail_json(msg=to_native(exc)) diff --git a/test/integration/targets/openssl_privatekey/tasks/impl.yml b/test/integration/targets/openssl_privatekey/tasks/impl.yml index c948349c47..d26e29eb4c 100644 --- a/test/integration/targets/openssl_privatekey/tasks/impl.yml +++ b/test/integration/targets/openssl_privatekey/tasks/impl.yml @@ -149,6 +149,7 @@ passphrase: hunter2 cipher: "{{ 'aes256' if select_crypto_backend == 'pyopenssl' else 'auto' }}" select_crypto_backend: '{{ select_crypto_backend }}' + backup: yes register: passphrase_1 - name: Generate privatekey with passphrase (idempotent) @@ -157,18 +158,21 @@ passphrase: hunter2 cipher: "{{ 'aes256' if select_crypto_backend == 'pyopenssl' else 'auto' }}" select_crypto_backend: '{{ select_crypto_backend }}' + backup: yes register: passphrase_2 - name: Regenerate privatekey without passphrase openssl_privatekey: path: '{{ output_dir }}/privatekeypw.pem' select_crypto_backend: '{{ select_crypto_backend }}' + backup: yes register: passphrase_3 - name: Regenerate privatekey without passphrase (idempotent) openssl_privatekey: path: '{{ output_dir }}/privatekeypw.pem' select_crypto_backend: '{{ select_crypto_backend }}' + backup: yes register: passphrase_4 - name: Regenerate privatekey with passphrase @@ -177,4 +181,25 @@ passphrase: hunter2 cipher: "{{ 'aes256' if select_crypto_backend == 'pyopenssl' else 'auto' }}" select_crypto_backend: '{{ select_crypto_backend }}' + backup: yes register: passphrase_5 + +- name: Remove module + openssl_privatekey: + path: '{{ output_dir }}/privatekeypw.pem' + passphrase: hunter2 + cipher: "{{ 'aes256' if select_crypto_backend == 'pyopenssl' else 'auto' }}" + select_crypto_backend: '{{ select_crypto_backend }}' + backup: yes + state: absent + register: remove_1 + +- name: Remove module (idempotent) + openssl_privatekey: + path: '{{ output_dir }}/privatekeypw.pem' + passphrase: hunter2 + cipher: "{{ 'aes256' if select_crypto_backend == 'pyopenssl' else 'auto' }}" + select_crypto_backend: '{{ select_crypto_backend }}' + backup: yes + state: absent + register: remove_2 diff --git a/test/integration/targets/openssl_privatekey/tests/validate.yml b/test/integration/targets/openssl_privatekey/tests/validate.yml index da5e2ecb57..c98fb35649 100644 --- a/test/integration/targets/openssl_privatekey/tests/validate.yml +++ b/test/integration/targets/openssl_privatekey/tests/validate.yml @@ -113,3 +113,16 @@ - passphrase_3 is changed - passphrase_4 is not changed - passphrase_5 is changed + - passphrase_1.backup_file is undefined + - passphrase_2.backup_file is undefined + - passphrase_3.backup_file is not none + - passphrase_4.backup_file is undefined + - passphrase_5.backup_file is not none + +- name: Validate remove + assert: + that: + - remove_1 is changed + - remove_2 is not changed + - remove_1.backup_file is not none + - remove_2.backup_file is undefined