def parse(self, backend, x509_obj): extensions = [] seen_oids = set() for i in range(self.ext_count(backend, x509_obj)): ext = self.get_ext(backend, x509_obj, i) backend.openssl_assert(ext != backend._ffi.NULL) crit = backend._lib.X509_EXTENSION_get_critical(ext) critical = crit == 1 oid = x509.ObjectIdentifier( _obj2txt(backend, backend._lib.X509_EXTENSION_get_object(ext))) if oid in seen_oids: raise x509.DuplicateExtension( "Duplicate {} extension found".format(oid), oid) # These OIDs are only supported in OpenSSL 1.1.0+ but we want # to support them in all versions of OpenSSL so we decode them # ourselves. if oid == ExtensionOID.TLS_FEATURE: data = backend._lib.X509_EXTENSION_get_data(ext) parsed = _Integers.load(_asn1_string_to_bytes(backend, data)) value = x509.TLSFeature( [_TLS_FEATURE_TYPE_TO_ENUM[x.native] for x in parsed]) extensions.append(x509.Extension(oid, critical, value)) seen_oids.add(oid) continue elif oid == ExtensionOID.PRECERT_POISON: data = backend._lib.X509_EXTENSION_get_data(ext) parsed = asn1crypto.core.Null.load( _asn1_string_to_bytes(backend, data)) assert parsed == asn1crypto.core.Null() extensions.append( x509.Extension(oid, critical, x509.PrecertPoison())) seen_oids.add(oid) continue try: handler = self.handlers[oid] except KeyError: # Dump the DER payload into an UnrecognizedExtension object data = backend._lib.X509_EXTENSION_get_data(ext) backend.openssl_assert(data != backend._ffi.NULL) der = backend._ffi.buffer(data.data, data.length)[:] unrecognized = x509.UnrecognizedExtension(oid, der) extensions.append(x509.Extension(oid, critical, unrecognized)) else: ext_data = backend._lib.X509V3_EXT_d2i(ext) if ext_data == backend._ffi.NULL: backend._consume_errors() raise ValueError( "The {} extension is invalid and can't be " "parsed".format(oid)) value = handler(backend, ext_data) extensions.append(x509.Extension(oid, critical, value)) seen_oids.add(oid) return x509.Extensions(extensions)
def parse(self, x509_obj): extensions = [] seen_oids = set() for i in range(self.ext_count(x509_obj)): ext = self.get_ext(x509_obj, i) self._backend.openssl_assert(ext != self._backend._ffi.NULL) crit = self._backend._lib.X509_EXTENSION_get_critical(ext) critical = crit == 1 oid = x509.ObjectIdentifier( _obj2txt(self._backend, self._backend._lib.X509_EXTENSION_get_object(ext))) if oid in seen_oids: raise x509.DuplicateExtension( "Duplicate {} extension found".format(oid), oid) # These OIDs are only supported in OpenSSL 1.1.0+ but we want # to support them in all versions of OpenSSL so we decode them # ourselves. if oid == ExtensionOID.TLS_FEATURE: # The extension contents are a SEQUENCE OF INTEGERs. data = self._backend._lib.X509_EXTENSION_get_data(ext) data_bytes = _asn1_string_to_bytes(self._backend, data) features = DERReader(data_bytes).read_single_element(SEQUENCE) parsed = [] while not features.is_empty(): parsed.append(features.read_element(INTEGER).as_integer()) # Map the features to their enum value. value = x509.TLSFeature( [_TLS_FEATURE_TYPE_TO_ENUM[x] for x in parsed]) extensions.append(x509.Extension(oid, critical, value)) seen_oids.add(oid) continue elif oid == ExtensionOID.PRECERT_POISON: data = self._backend._lib.X509_EXTENSION_get_data(ext) # The contents of the extension must be an ASN.1 NULL. reader = DERReader(_asn1_string_to_bytes(self._backend, data)) reader.read_single_element(NULL).check_empty() extensions.append( x509.Extension(oid, critical, x509.PrecertPoison())) seen_oids.add(oid) continue try: handler = self.handlers[oid] except KeyError: # Dump the DER payload into an UnrecognizedExtension object data = self._backend._lib.X509_EXTENSION_get_data(ext) self._backend.openssl_assert(data != self._backend._ffi.NULL) der = self._backend._ffi.buffer(data.data, data.length)[:] unrecognized = x509.UnrecognizedExtension(oid, der) extensions.append(x509.Extension(oid, critical, unrecognized)) else: ext_data = self._backend._lib.X509V3_EXT_d2i(ext) if ext_data == self._backend._ffi.NULL: self._backend._consume_errors() raise ValueError( "The {} extension is invalid and can't be " "parsed".format(oid)) value = handler(self._backend, ext_data) extensions.append(x509.Extension(oid, critical, value)) seen_oids.add(oid) return x509.Extensions(extensions)
'responder_cert': _fixture_data['certs']['profile-ocsp']['pub_filename'], }, } CRYPTOGRAPHY_VERSION = packaging.version.parse( cryptography.__version__).release[:2] NEWEST_PYTHON = sys.version_info[0:2] == (3, 7) NEWEST_CRYPTOGRAPHY = CRYPTOGRAPHY_VERSION == (2, 7) NEWEST_DJANGO = django.VERSION[:2] == (2, 2) NEWEST_VERSIONS = NEWEST_PYTHON and NEWEST_CRYPTOGRAPHY and NEWEST_DJANGO # PrecertPoison does not compare as equal until cryptography 2.7: # https://github.com/pyca/cryptography/issues/4818 SKIP_PRECERT_POISON = not (hasattr(x509, 'PrecertPoison') and x509.PrecertPoison() == x509.PrecertPoison() ) # pragma: only cryptography<2.7 # OCSPNoCheck does not compare as equal until cryptography 2.7: # https://github.com/pyca/cryptography/issues/4818 SKIP_OCSP_NOCHECK = x509.OCSPNoCheck() != x509.OCSPNoCheck( ) # pragma: only cryptography<2.7 # For Selenium test cases SKIP_SELENIUM_TESTS = os.environ.get( 'SKIP_SELENIUM_TESTS', 'n' if (NEWEST_PYTHON and NEWEST_CRYPTOGRAPHY) else 'y').lower().strip() == 'y' VIRTUAL_DISPLAY = os.environ.get('VIRTUAL_DISPLAY', 'y').lower().strip() == 'y' GECKODRIVER_PATH = os.path.join(ROOT_DIR, 'contrib', 'selenium', 'geckodriver')
def parse(self, backend, x509_obj): extensions = [] seen_oids = set() for i in range(self.ext_count(backend, x509_obj)): ext = self.get_ext(backend, x509_obj, i) backend.openssl_assert(ext != backend._ffi.NULL) crit = backend._lib.X509_EXTENSION_get_critical(ext) critical = crit == 1 oid = x509.ObjectIdentifier( _obj2txt(backend, backend._lib.X509_EXTENSION_get_object(ext)) ) if oid in seen_oids: raise x509.DuplicateExtension( "Duplicate {} extension found".format(oid), oid ) if oid == ExtensionOID.TLS_FEATURE: data = backend._lib.X509_EXTENSION_get_data(ext) data_bytes = _asn1_string_to_bytes(backend, data) features = DERReader(data_bytes).read_single_element(SEQUENCE) parsed = [] while not features.is_empty(): parsed.append(features.read_element(INTEGER).as_integer()) value = x509.TLSFeature( [_TLS_FEATURE_TYPE_TO_ENUM[x] for x in parsed] ) extensions.append(x509.Extension(oid, critical, value)) seen_oids.add(oid) continue elif oid == ExtensionOID.PRECERT_POSION: data = backend._lib.X509_EXTENSION_get_data(ext) reader = DERReader(_asn1_string_to_bytes(backend, data)) reader.read_single_element(NULL).check_empty() extensions.append(x509.Extension( oid, critical, x509.PrecertPoison() )) seen_oids.add(oid) continue elif oid == ExtensionOID.PRECERT_POISON: data = backend._lib.X509_EXTENSION_get_data(ext) reader = DERReader(_asn1_string_to_bytes(backend, data)) reader.read_single_element(NULL).check_empty() extensions.append(x509.Extension( oid, critical, x509.PrecertPoison() )) seen_oids.add(oid) continue try: handler = self.handlers[oid] except KeyError: data = backend._lib.X509_EXTENSION_get_data(ext) backend.openssl_assert(data != backend._ffi.NULL) der = backend._ffi.buffer(data.data, data.length)[:] unrecognized = x509.UnrecognizedExtension(oid, der) extensions.append( x509.Extension(oid, critical, unrecognized) ) else: ext_data = backend._lib.X509V3_EXT_d2i(ext) if ext_data == backend._ffi.NULL: backend._consume_errors() raise ValueError( "The {} extension is invalid and can't be " "parsed".format(oid) ) value = handler(backend, ext_data) extensions.append(x509.Extension(oid, critical, value)) seen_oids.add(oid) return x509.Extensions(extenions)