File x509-fixes-111.patch of Package salt

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File x509-fixes-111.patch of Package salt (Revision ca2349ff73b74e0b323b6023771a4223)

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From ebd4bada22dca8f384078e977202c0052a80f1fc Mon Sep 17 00:00:00 2001
From: Florian Bergmann <bergmannf@users.noreply.github.com>
Date: Fri, 14 Sep 2018 10:30:39 +0200
Subject: [PATCH] X509 fixes (#111)

* Return proper content type for the x509 certificate

* Remove parenthesis

* Remove extra-variables during the import

* Comment fix

* Remove double returns

* Change log level from trace to debug

* Remove 'pass' and add logging instead

* Remove unnecessary wrapping

Remove wrapping

* PEP 8: line too long

PEP8: line too long

* PEP8: Redefine RSAError variable in except clause

* Do not return None if name was not found

* Do not return None if no matched minions found

* Fix unit tests
---
 salt/modules/publish.py |   8 +--
 salt/modules/x509.py    | 129 +++++++++++++++++++-----------------------------
 salt/states/x509.py     |  19 ++++---
 3 files changed, 66 insertions(+), 90 deletions(-)

diff --git a/salt/modules/publish.py b/salt/modules/publish.py
index 1550aa39a8..f12f1cc947 100644
--- a/salt/modules/publish.py
+++ b/salt/modules/publish.py
@@ -82,10 +82,8 @@ def _publish(
                     in minion configuration but `via_master` was specified.')
         else:
             # Find the master in the list of master_uris generated by the minion base class
-            matching_master_uris = [master for master
-                    in __opts__['master_uri_list']
-                    if '//{0}:'.format(via_master)
-                    in master]
+            matching_master_uris = [master for master in __opts__['master_uri_list']
+                                    if '//{0}:'.format(via_master) in master]
 
             if not matching_master_uris:
                 raise SaltInvocationError('Could not find match for {0} in \
@@ -175,6 +173,8 @@ def _publish(
             else:
                 return ret
 
+    return {}
+
 
 def publish(tgt,
             fun,
diff --git a/salt/modules/x509.py b/salt/modules/x509.py
index 1cdd912bfb..72ab3bb03e 100644
--- a/salt/modules/x509.py
+++ b/salt/modules/x509.py
@@ -39,14 +39,13 @@ from salt.state import STATE_INTERNAL_KEYWORDS as _STATE_INTERNAL_KEYWORDS
 # Import 3rd Party Libs
 try:
     import M2Crypto
-    HAS_M2 = True
 except ImportError:
-    HAS_M2 = False
+    M2Crypto = None
+
 try:
     import OpenSSL
-    HAS_OPENSSL = True
 except ImportError:
-    HAS_OPENSSL = False
+    OpenSSL = None
 
 __virtualname__ = 'x509'
 
@@ -84,10 +83,7 @@ def __virtual__():
     '''
     only load this module if m2crypto is available
     '''
-    if HAS_M2:
-        return __virtualname__
-    else:
-        return (False, 'Could not load x509 module, m2crypto unavailable')
+    return __virtualname__ if M2Crypto is not None else False, 'Could not load x509 module, m2crypto unavailable'
 
 
 class _Ctx(ctypes.Structure):
@@ -130,10 +126,8 @@ def _new_extension(name, value, critical=0, issuer=None, _pyfree=1):
     doesn't support getting the publickeyidentifier from the issuer
     to create the authoritykeyidentifier extension.
     '''
-    if name == 'subjectKeyIdentifier' and \
-            value.strip('0123456789abcdefABCDEF:') is not '':
-        raise salt.exceptions.SaltInvocationError(
-            'value must be precomputed hash')
+    if name == 'subjectKeyIdentifier' and value.strip('0123456789abcdefABCDEF:') is not '':
+        raise salt.exceptions.SaltInvocationError('value must be precomputed hash')
 
     # ensure name and value are bytes
     name = salt.utils.stringutils.to_str(name)
@@ -148,7 +142,7 @@ def _new_extension(name, value, critical=0, issuer=None, _pyfree=1):
         x509_ext_ptr = M2Crypto.m2.x509v3_ext_conf(None, ctx, name, value)
         lhash = None
     except AttributeError:
-        lhash = M2Crypto.m2.x509v3_lhash()                      # pylint: disable=no-member
+        lhash = M2Crypto.m2.x509v3_lhash()  # pylint: disable=no-member
         ctx = M2Crypto.m2.x509v3_set_conf_lhash(
             lhash)          # pylint: disable=no-member
         # ctx not zeroed
@@ -199,10 +193,8 @@ def _get_csr_extensions(csr):
     csrtempfile.flush()
     csryaml = _parse_openssl_req(csrtempfile.name)
     csrtempfile.close()
-    if csryaml and 'Requested Extensions' in \
-            csryaml['Certificate Request']['Data']:
-        csrexts = \
-            csryaml['Certificate Request']['Data']['Requested Extensions']
+    if csryaml and 'Requested Extensions' in csryaml['Certificate Request']['Data']:
+        csrexts = csryaml['Certificate Request']['Data']['Requested Extensions']
 
         if not csrexts:
             return ret
@@ -297,7 +289,7 @@ def _get_signing_policy(name):
         signing_policy = policies.get(name)
         if signing_policy:
             return signing_policy
-    return __salt__['config.get']('x509_signing_policies', {}).get(name)
+    return __salt__['config.get']('x509_signing_policies', {}).get(name) or {}
 
 
 def _pretty_hex(hex_str):
@@ -336,9 +328,11 @@ def _text_or_file(input_):
     '''
     if _isfile(input_):
         with salt.utils.files.fopen(input_) as fp_:
-            return salt.utils.stringutils.to_str(fp_.read())
+            out = salt.utils.stringutils.to_str(fp_.read())
     else:
-        return salt.utils.stringutils.to_str(input_)
+        out = salt.utils.stringutils.to_str(input_)
+
+    return out
 
 
 def _parse_subject(subject):
@@ -356,7 +350,7 @@ def _parse_subject(subject):
                 ret[nid_name] = val
                 nids.append(nid_num)
         except TypeError as err:
-            log.trace("Missing attribute '%s'. Error: %s", nid_name, err)
+            log.debug("Missing attribute '%s'. Error: %s", nid_name, err)
 
     return ret
 
@@ -533,8 +527,8 @@ def get_pem_entries(glob_path):
         if os.path.isfile(path):
             try:
                 ret[path] = get_pem_entry(text=path)
-            except ValueError:
-                pass
+            except ValueError as err:
+                log.debug('Unable to get PEM entries from %s: %s', path, err)
 
     return ret
 
@@ -612,8 +606,8 @@ def read_certificates(glob_path):
         if os.path.isfile(path):
             try:
                 ret[path] = read_certificate(certificate=path)
-            except ValueError:
-                pass
+            except ValueError as err:
+                log.debug('Unable to read certificate %s: %s', path, err)
 
     return ret
 
@@ -642,12 +636,10 @@ def read_csr(csr):
         # Get size returns in bytes. The world thinks of key sizes in bits.
         'Subject': _parse_subject(csr.get_subject()),
         'Subject Hash': _dec2hex(csr.get_subject().as_hash()),
-        'Public Key Hash': hashlib.sha1(csr.get_pubkey().get_modulus())\
-        .hexdigest()
+        'Public Key Hash': hashlib.sha1(csr.get_pubkey().get_modulus()).hexdigest(),
+        'X509v3 Extensions': _get_csr_extensions(csr),
     }
 
-    ret['X509v3 Extensions'] = _get_csr_extensions(csr)
-
     return ret
 
 
@@ -944,7 +936,7 @@ def create_crl(  # pylint: disable=too-many-arguments,too-many-locals
     # pyOpenSSL Note due to current limitations in pyOpenSSL it is impossible
     # to specify a digest For signing the CRL. This will hopefully be fixed
     # soon: https://github.com/pyca/pyopenssl/pull/161
-    if not HAS_OPENSSL:
+    if OpenSSL is None:
         raise salt.exceptions.SaltInvocationError(
             'Could not load OpenSSL module, OpenSSL unavailable'
         )
@@ -970,8 +962,7 @@ def create_crl(  # pylint: disable=too-many-arguments,too-many-locals
                 continue
 
         if 'revocation_date' not in rev_item:
-            rev_item['revocation_date'] = datetime.datetime\
-                .now().strftime('%Y-%m-%d %H:%M:%S')
+            rev_item['revocation_date'] = datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S')
 
         rev_date = datetime.datetime.strptime(
             rev_item['revocation_date'], '%Y-%m-%d %H:%M:%S')
@@ -1013,8 +1004,9 @@ def create_crl(  # pylint: disable=too-many-arguments,too-many-locals
     try:
         crltext = crl.export(**export_kwargs)
     except (TypeError, ValueError):
-        log.warning(
-            'Error signing crl with specified digest. Are you using pyopenssl 0.15 or newer? The default md5 digest will be used.')
+        log.warning('Error signing crl with specified digest. '
+                    'Are you using pyopenssl 0.15 or newer? '
+                    'The default md5 digest will be used.')
         export_kwargs.pop('digest', None)
         crltext = crl.export(**export_kwargs)
 
@@ -1052,8 +1044,7 @@ def sign_remote_certificate(argdic, **kwargs):
     if 'signing_policy' in argdic:
         signing_policy = _get_signing_policy(argdic['signing_policy'])
         if not signing_policy:
-            return 'Signing policy {0} does not exist.'.format(
-                argdic['signing_policy'])
+            return 'Signing policy {0} does not exist.'.format(argdic['signing_policy'])
 
         if isinstance(signing_policy, list):
             dict_ = {}
@@ -1093,6 +1084,7 @@ def get_signing_policy(signing_policy_name):
     signing_policy = _get_signing_policy(signing_policy_name)
     if not signing_policy:
         return 'Signing policy {0} does not exist.'.format(signing_policy_name)
+
     if isinstance(signing_policy, list):
         dict_ = {}
         for item in signing_policy:
@@ -1105,10 +1097,9 @@ def get_signing_policy(signing_policy_name):
         pass
 
     try:
-        signing_policy['signing_cert'] = get_pem_entry(
-            signing_policy['signing_cert'], 'CERTIFICATE')
+        signing_policy['signing_cert'] = get_pem_entry(signing_policy['signing_cert'], 'CERTIFICATE')
     except KeyError:
-        pass
+        log.debug('Unable to get "certificate" PEM entry')
 
     return signing_policy
 
@@ -1358,8 +1349,7 @@ def create_certificate(
         salt '*' x509.create_certificate path=/etc/pki/myca.crt signing_private_key='/etc/pki/myca.key' csr='/etc/pki/myca.csr'}
     '''
 
-    if not path and not text and \
-            ('testrun' not in kwargs or kwargs['testrun'] is False):
+    if not path and not text and ('testrun' not in kwargs or kwargs['testrun'] is False):
         raise salt.exceptions.SaltInvocationError(
             'Either path or text must be specified.')
     if path and text:
@@ -1504,8 +1494,7 @@ def create_certificate(
             continue
 
         # Use explicitly set values first, fall back to CSR values.
-        extval = kwargs.get(extname) or kwargs.get(extlongname) or \
-            csrexts.get(extname) or csrexts.get(extlongname)
+        extval = kwargs.get(extname) or kwargs.get(extlongname) or csrexts.get(extname) or csrexts.get(extlongname)
 
         critical = False
         if extval.startswith('critical '):
@@ -1627,8 +1616,8 @@ def create_csr(path=None, text=False, **kwargs):
 
     if 'private_key' not in kwargs and 'public_key' in kwargs:
         kwargs['private_key'] = kwargs['public_key']
-        log.warning(
-            "OpenSSL no longer allows working with non-signed CSRs. A private_key must be specified. Attempting to use public_key as private_key")
+        log.warning("OpenSSL no longer allows working with non-signed CSRs. "
+                    "A private_key must be specified. Attempting to use public_key as private_key")
 
     if 'private_key' not in kwargs:
         raise salt.exceptions.SaltInvocationError('private_key is required')
@@ -1640,11 +1629,9 @@ def create_csr(path=None, text=False, **kwargs):
         kwargs['private_key_passphrase'] = None
     if 'public_key_passphrase' not in kwargs:
         kwargs['public_key_passphrase'] = None
-    if kwargs['public_key_passphrase'] and not kwargs[
-            'private_key_passphrase']:
+    if kwargs['public_key_passphrase'] and not kwargs['private_key_passphrase']:
         kwargs['private_key_passphrase'] = kwargs['public_key_passphrase']
-    if kwargs['private_key_passphrase'] and not kwargs[
-            'public_key_passphrase']:
+    if kwargs['private_key_passphrase'] and not kwargs['public_key_passphrase']:
         kwargs['public_key_passphrase'] = kwargs['private_key_passphrase']
 
     csr.set_pubkey(get_public_key(kwargs['public_key'],
@@ -1688,18 +1675,10 @@ def create_csr(path=None, text=False, **kwargs):
         extstack.push(ext)
 
     csr.add_extensions(extstack)
-
     csr.sign(_get_private_key_obj(kwargs['private_key'],
                                   passphrase=kwargs['private_key_passphrase']), kwargs['algorithm'])
 
-    if path:
-        return write_pem(
-            text=csr.as_pem(),
-            path=path,
-            pem_type='CERTIFICATE REQUEST'
-        )
-    else:
-        return csr.as_pem()
+    return write_pem(text=csr.as_pem(), path=path, pem_type='CERTIFICATE REQUEST') if path else csr.as_pem()
 
 
 def verify_private_key(private_key, public_key, passphrase=None):
@@ -1724,8 +1703,7 @@ def verify_private_key(private_key, public_key, passphrase=None):
         salt '*' x509.verify_private_key private_key=/etc/pki/myca.key \\
                 public_key=/etc/pki/myca.crt
     '''
-    return bool(get_public_key(private_key, passphrase)
-                == get_public_key(public_key))
+    return get_public_key(private_key, passphrase) == get_public_key(public_key)
 
 
 def verify_signature(certificate, signing_pub_key=None,
@@ -1779,9 +1757,8 @@ def verify_crl(crl, cert):
         salt '*' x509.verify_crl crl=/etc/pki/myca.crl cert=/etc/pki/myca.crt
     '''
     if not salt.utils.path.which('openssl'):
-        raise salt.exceptions.SaltInvocationError(
-            'openssl binary not found in path'
-        )
+        raise salt.exceptions.SaltInvocationError('External command "openssl" not found')
+
     crltext = _text_or_file(crl)
     crltext = get_pem_entry(crltext, pem_type='X509 CRL')
     crltempfile = tempfile.NamedTemporaryFile()
@@ -1802,10 +1779,7 @@ def verify_crl(crl, cert):
     crltempfile.close()
     certtempfile.close()
 
-    if 'verify OK' in output:
-        return True
-    else:
-        return False
+    return 'verify OK' in output
 
 
 def expired(certificate):
@@ -1842,8 +1816,9 @@ def expired(certificate):
                 ret['expired'] = True
             else:
                 ret['expired'] = False
-        except ValueError:
-            pass
+        except ValueError as err:
+            log.debug('Failed to get data of expired certificate: %s', err)
+            log.trace(err, exc_info=True)
 
     return ret
 
@@ -1866,6 +1841,7 @@ def will_expire(certificate, days):
 
         salt '*' x509.will_expire "/etc/pki/mycert.crt" days=30
     '''
+    ts_pt = "%Y-%m-%d %H:%M:%S"
     ret = {}
 
     if os.path.isfile(certificate):
@@ -1875,18 +1851,13 @@ def will_expire(certificate, days):
 
             cert = _get_certificate_obj(certificate)
 
-            _check_time = datetime.datetime.utcnow() + \
-                datetime.timedelta(days=days)
+            _check_time = datetime.datetime.utcnow() + datetime.timedelta(days=days)
             _expiration_date = cert.get_not_after().get_datetime()
 
             ret['cn'] = _parse_subject(cert.get_subject())['CN']
-
-            if _expiration_date.strftime("%Y-%m-%d %H:%M:%S") <= \
-                    _check_time.strftime("%Y-%m-%d %H:%M:%S"):
-                ret['will_expire'] = True
-            else:
-                ret['will_expire'] = False
-        except ValueError:
-            pass
+            ret['will_expire'] = _expiration_date.strftime(ts_pt) <= _check_time.strftime(ts_pt)
+        except ValueError as err:
+            log.debug('Unable to return details of a sertificate expiration: %s', err)
+            log.trace(err, exc_info=True)
 
     return ret
diff --git a/salt/states/x509.py b/salt/states/x509.py
index 3774f7d5eb..e4cc288dc9 100644
--- a/salt/states/x509.py
+++ b/salt/states/x509.py
@@ -163,6 +163,7 @@ import copy
 
 # Import Salt Libs
 import salt.exceptions
+import salt.utils.stringutils
 
 # Import 3rd-party libs
 from salt.ext import six
@@ -170,7 +171,7 @@ from salt.ext import six
 try:
     from M2Crypto.RSA import RSAError
 except ImportError:
-    pass
+    RSAError = Exception('RSA Error')
 
 
 def __virtual__():
@@ -180,7 +181,7 @@ def __virtual__():
     if 'x509.get_pem_entry' in __salt__:
         return 'x509'
     else:
-        return (False, 'Could not load x509 state: m2crypto unavailable')
+        return False, 'Could not load x509 state: the x509 is not available'
 
 
 def _revoked_to_list(revs):
@@ -459,8 +460,10 @@ def certificate_managed(name,
                 private_key_args['name'], pem_type='RSA PRIVATE KEY')
         else:
             new_private_key = True
-            private_key = __salt__['x509.create_private_key'](text=True, bits=private_key_args['bits'], passphrase=private_key_args[
-                                                              'passphrase'], cipher=private_key_args['cipher'], verbose=private_key_args['verbose'])
+            private_key = __salt__['x509.create_private_key'](text=True, bits=private_key_args['bits'],
+                                                              passphrase=private_key_args['passphrase'],
+                                                              cipher=private_key_args['cipher'],
+                                                              verbose=private_key_args['verbose'])
 
         kwargs['public_key'] = private_key
 
@@ -671,8 +674,10 @@ def crl_managed(name,
     else:
         current = '{0} does not exist.'.format(name)
 
-    new_crl = __salt__['x509.create_crl'](text=True, signing_private_key=signing_private_key, signing_private_key_passphrase=signing_private_key_passphrase,
-                                          signing_cert=signing_cert, revoked=revoked, days_valid=days_valid, digest=digest, include_expired=include_expired)
+    new_crl = __salt__['x509.create_crl'](text=True, signing_private_key=signing_private_key,
+                                          signing_private_key_passphrase=signing_private_key_passphrase,
+                                          signing_cert=signing_cert, revoked=revoked, days_valid=days_valid,
+                                          digest=digest, include_expired=include_expired)
 
     new = __salt__['x509.read_crl'](crl=new_crl)
     new_comp = new.copy()
@@ -714,6 +719,6 @@ def pem_managed(name,
         Any arguments supported by :py:func:`file.managed <salt.states.file.managed>` are supported.
     '''
     file_args, kwargs = _get_file_args(name, **kwargs)
-    file_args['contents'] = __salt__['x509.get_pem_entry'](text=text)
+    file_args['contents'] = salt.utils.stringutils.to_str(__salt__['x509.get_pem_entry'](text=text))
 
     return __states__['file.managed'](**file_args)
-- 
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File x509-fixes-111.patch of Package salt (Revision ca2349ff73b74e0b323b6023771a4223)

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