diff options
| -rw-r--r-- | cryptography/hazmat/bindings/openssl/binding.py | 1 | ||||
| -rw-r--r-- | cryptography/hazmat/bindings/openssl/x509_vfy.py | 161 |
2 files changed, 162 insertions, 0 deletions
diff --git a/cryptography/hazmat/bindings/openssl/binding.py b/cryptography/hazmat/bindings/openssl/binding.py index 464081b0..554c3c3e 100644 --- a/cryptography/hazmat/bindings/openssl/binding.py +++ b/cryptography/hazmat/bindings/openssl/binding.py @@ -74,6 +74,7 @@ class Binding(object): "x509", "x509name", "x509v3", + "x509_vfy" ] _locks = None diff --git a/cryptography/hazmat/bindings/openssl/x509_vfy.py b/cryptography/hazmat/bindings/openssl/x509_vfy.py new file mode 100644 index 00000000..4db3da1d --- /dev/null +++ b/cryptography/hazmat/bindings/openssl/x509_vfy.py @@ -0,0 +1,161 @@ +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or +# implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +from __future__ import absolute_import, division, print_function + +INCLUDES = """ +#include <openssl/x509_vfy.h> + +/* + * This is part of a work-around for the difficulty cffi has in dealing with + * `STACK_OF(foo)` as the name of a type. We invent a new, simpler name that + * will be an alias for this type and use the alias throughout. This works + * together with another opaque typedef for the same name in the TYPES section. + * Note that the result is an opaque type. + */ +typedef STACK_OF(ASN1_OBJECT) Cryptography_STACK_OF_ASN1_OBJECT; +""" + +TYPES = """ +static const long Cryptography_HAS_X509_VERIFY_PARAM_SET_HOSTFLAGS; +static const long Cryptography_HAS_102_VERIFICATION_PARAMS; +static const long Cryptography_HAS_100_VERIFICATION_PARAMS; +static const long Cryptography_HAS_X509_V_FLAG_CHECK_SS_SIGNATURE; + +typedef ... Cryptography_STACK_OF_ASN1_OBJECT; +typedef ... X509_VERIFY_PARAM; + +/* While these are defined in the source as ints, they're tagged here + as longs, just in case they ever grow to large, such as what we saw + with OP_ALL. */ +static const long X509_V_FLAG_CB_ISSUER_CHECK; +static const long X509_V_FLAG_USE_CHECK_TIME; +static const long X509_V_FLAG_CRL_CHECK; +static const long X509_V_FLAG_CRL_CHECK_ALL; +static const long X509_V_FLAG_IGNORE_CRITICAL; +static const long X509_V_FLAG_X509_STRICT; +static const long X509_V_FLAG_ALLOW_PROXY_CERTS; +static const long X509_V_FLAG_POLICY_CHECK; +static const long X509_V_FLAG_EXPLICIT_POLICY; +static const long X509_V_FLAG_INHIBIT_ANY; +static const long X509_V_FLAG_INHIBIT_MAP; +static const long X509_V_FLAG_NOTIFY_POLICY; +static const long X509_V_FLAG_EXTENDED_CRL_SUPPORT; +static const long X509_V_FLAG_USE_DELTAS; +static const long X509_V_FLAG_CHECK_SS_SIGNATURE; +static const long X509_V_FLAG_TRUSTED_FIRST; +static const long X509_V_FLAG_SUITEB_128_LOS_ONLY; +static const long X509_V_FLAG_SUITEB_192_LOS; +static const long X509_V_FLAG_SUITEB_128_LOS; +static const long X509_V_FLAG_PARTIAL_CHAIN; +""" + +FUNCTIONS = """ +X509_VERIFY_PARAM *X509_VERIFY_PARAM_new(void); +int X509_VERIFY_PARAM_set_flags(X509_VERIFY_PARAM *, unsigned long); +int X509_VERIFY_PARAM_clear_flags(X509_VERIFY_PARAM *, unsigned long); +unsigned long X509_VERIFY_PARAM_get_flags(X509_VERIFY_PARAM *); +int X509_VERIFY_PARAM_set_purpose(X509_VERIFY_PARAM *, int); +int X509_VERIFY_PARAM_set_trust(X509_VERIFY_PARAM *, int); +void X509_VERIFY_PARAM_set_time(X509_VERIFY_PARAM *, time_t); +int X509_VERIFY_PARAM_add0_policy(X509_VERIFY_PARAM *, ASN1_OBJECT *); +int X509_VERIFY_PARAM_set1_policies(X509_VERIFY_PARAM *, + Cryptography_STACK_OF_ASN1_OBJECT *); +void X509_VERIFY_PARAM_set_depth(X509_VERIFY_PARAM *, int); +int X509_VERIFY_PARAM_get_depth(const X509_VERIFY_PARAM *); +""" + +MACROS = """ +int X509_VERIFY_PARAM_set1_host(X509_VERIFY_PARAM *, const unsigned char *, + size_t); +void X509_VERIFY_PARAM_set_hostflags(X509_VERIFY_PARAM *, unsigned int); +int X509_VERIFY_PARAM_set1_email(X509_VERIFY_PARAM *, const unsigned char *, + size_t); +int X509_VERIFY_PARAM_set1_ip(X509_VERIFY_PARAM *, const unsigned char *, + size_t); +int X509_VERIFY_PARAM_set1_ip_asc(X509_VERIFY_PARAM *, const char *); +""" + +CUSTOMIZATIONS = """ +// OpenSSL 1.0.2+, but only some very new releases +#ifdef X509_VERIFY_PARAM_set_hostflags +static const long Cryptography_HAS_X509_VERIFY_PARAM_SET_HOSTFLAGS = 1; +#else +static const long Cryptography_HAS_X509_VERIFY_PARAM_SET_HOSTFLAGS = 0; +void (*X509_VERIFY_PARAM_set_hostflags)(X509_VERIFY_PARAM *, + unsigned int) = NULL; +#endif + +// OpenSSL 1.0.2+ +#if OPENSSL_VERSION_NUMBER >= 0x10002000L +static const long Cryptography_HAS_102_VERIFICATION_PARAMS = 1; +#else +static const long Cryptography_HAS_102_VERIFICATION_PARAMS = 0; +static const long X509_V_FLAG_TRUSTED_FIRST = 0; +static const long X509_V_FLAG_SUITEB_128_LOS_ONLY = 0; +static const long X509_V_FLAG_SUITEB_192_LOS = 0; +static const long X509_V_FLAG_SUITEB_128_LOS = 0; +static const long X509_V_FLAG_PARTIAL_CHAIN = 0; + +int (*X509_VERIFY_PARAM_set1_host)(X509_VERIFY_PARAM *, const unsigned char *, + size_t) = NULL; +int (*X509_VERIFY_PARAM_set1_email)(X509_VERIFY_PARAM *, const unsigned char *, + size_t) = NULL; +int (*X509_VERIFY_PARAM_set1_ip)(X509_VERIFY_PARAM *, const unsigned char *, + size_t) = NULL; +int (*X509_VERIFY_PARAM_set1_ip_asc)(X509_VERIFY_PARAM *, const char *) = NULL; +#endif + +// OpenSSL 1.0.0+ +#if OPENSSL_VERSION_NUMBER >= 0x10000000L +static const long Cryptography_HAS_100_VERIFICATION_PARAMS = 1; +#else +static const long Cryptography_HAS_100_VERIFICATION_PARAMS = 0; +static const long X509_V_FLAG_EXTENDED_CRL_SUPPORT = 0; +static const long X509_V_FLAG_USE_DELTAS = 0; +#endif + +// OpenSSL 0.9.8recent+ +#ifdef X509_V_FLAG_CHECK_SS_SIGNATURE +static const long Cryptography_HAS_X509_V_FLAG_CHECK_SS_SIGNATURE = 1; +#else +static const long Cryptography_HAS_X509_V_FLAG_CHECK_SS_SIGNATURE = 0; +static const long X509_V_FLAG_CHECK_SS_SIGNATURE = 0; +#endif +""" + +CONDITIONAL_NAMES = { + "Cryptography_HAS_X509_VERIFY_PARAM_SET_HOSTFLAGS": [ + "X509_VERIFY_PARAM_set_hostflags", + ], + "Cryptography_HAS_102_VERIFICATION_PARAMS": [ + "X509_V_FLAG_TRUSTED_FIRST", + "X509_V_FLAG_SUITEB_128_LOS_ONLY", + "X509_V_FLAG_SUITEB_192_LOS", + "X509_V_FLAG_SUITEB_128_LOS", + "X509_V_FLAG_PARTIAL_CHAIN", + + "X509_VERIFY_PARAM_set1_host", + "X509_VERIFY_PARAM_set1_email", + "X509_VERIFY_PARAM_set1_ip", + "X509_VERIFY_PARAM_set1_ip_asc", + ], + "Cryptography_HAS_100_VERIFICATION_PARAMS": [ + "Cryptography_HAS_100_VERIFICATION_PARAMS", + "X509_V_FLAG_EXTENDED_CRL_SUPPORT", + "X509_V_FLAG_USE_DELTAS", + ], + "Cryptography_HAS_X509_V_FLAG_CHECK_SS_SIGNATURE": [ + "X509_V_FLAG_CHECK_SS_SIGNATURE", + ] +} |