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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file 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.
*/
#pragma once
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <stdint.h>
#include "crypto/s2n_certificate.h"
#include "utils/s2n_blob.h"
#include "utils/s2n_safety.h"
#define S2N_MAX_ALLOWED_CERT_TRAILING_BYTES 3
DEFINE_POINTER_CLEANUP_FUNC(X509 *, X509_free);
S2N_CLEANUP_RESULT s2n_openssl_x509_stack_pop_free(STACK_OF(X509) **cert_chain);
S2N_CLEANUP_RESULT s2n_openssl_asn1_time_free_pointer(ASN1_GENERALIZEDTIME **time);
/*
* This function is used to convert an s2n_blob into an openssl X509 cert. It
* will additionally ensure that there are 3 or fewer trailing bytes in
* `asn1der`.
*/
S2N_RESULT s2n_openssl_x509_parse(struct s2n_blob *asn1der, X509 **cert_out);
/*
* This function is used to convert an s2n_blob into an openssl X509 cert.
* Unlike `s2n_openssl_x509_parse` no additional validation is done. This
* function should only be used in places where it is necessary to maintain
* compatability with previous permissive parsing behavior.
*/
S2N_RESULT s2n_openssl_x509_parse_without_length_validation(struct s2n_blob *asn1der, X509 **cert_out);
S2N_RESULT s2n_openssl_x509_get_cert_info(X509 *cert, struct s2n_cert_info *info);
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