FreeRDP/libfreerdp/crypto/opensslcompat.h
2024-10-17 12:02:39 +02:00

115 lines
3.4 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Implementation
* OpenSSL Compatibility
*
* Copyright (C) 2016 Norbert Federa <norbert.federa@thincast.com>
*
* 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.
*/
#ifndef FREERDP_LIB_CRYPTO_OPENSSLCOMPAT_H
#define FREERDP_LIB_CRYPTO_OPENSSLCOMPAT_H
#include <winpr/winpr.h>
#include <winpr/assert.h>
#include <freerdp/config.h>
#include <freerdp/api.h>
#include <openssl/x509.h>
#ifdef WITH_OPENSSL
#include <openssl/opensslv.h>
#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
(defined(LIBRESSL_VERSION_NUMBER) && LIBRESSL_VERSION_NUMBER < 0x2070000fL)
#include <openssl/bio.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#define BIO_get_data(b) (b)->ptr
#define BIO_set_data(b, v) (b)->ptr = v
#define BIO_get_init(b) (b)->init
#define BIO_set_init(b, v) (b)->init = v
#define BIO_get_next(b, v) (b)->next_bio
#define BIO_set_next(b, v) (b)->next_bio = v
#define BIO_get_shutdown(b) (b)->shutdown
#define BIO_set_shutdown(b, v) (b)->shutdown = v
#define BIO_get_retry_reason(b) (b)->retry_reason
#define BIO_set_retry_reason(b, v) (b)->retry_reason = v
#define BIO_meth_set_write(b, f) (b)->bwrite = (f)
#define BIO_meth_set_read(b, f) (b)->bread = (f)
#define BIO_meth_set_puts(b, f) (b)->bputs = (f)
#define BIO_meth_set_gets(b, f) (b)->bgets = (f)
#define BIO_meth_set_ctrl(b, f) (b)->ctrl = (f)
#define BIO_meth_set_create(b, f) (b)->create = (f)
#define BIO_meth_set_destroy(b, f) (b)->destroy = (f)
#define BIO_meth_set_callback_ctrl(b, f) (b)->callback_ctrl = (f)
BIO_METHOD* BIO_meth_new(int type, const char* name);
void RSA_get0_key(const RSA* r, const BIGNUM** n, const BIGNUM** e, const BIGNUM** d);
#endif /* OPENSSL < 1.1.0 || LIBRESSL */
#endif /* WITH_OPENSSL */
/* Drop in replacement for older OpenSSL and LibRESSL */
#if defined(LIBRESSL_VERSION_NUMBER) || \
(defined(OPENSSL_VERSION_NUMBER) && (OPENSSL_VERSION_NUMBER < 0x1010000fL))
static INLINE STACK_OF(X509) * sk_X509_deep_copy(const STACK_OF(X509) * sk,
X509* (*copyfunc)(const X509*),
void (*freefunc)(X509*))
{
WINPR_ASSERT(copyfunc);
WINPR_ASSERT(freefunc);
STACK_OF(X509)* stack = sk_X509_new_null();
if (!stack)
return NULL;
if (sk)
{
for (int i = 0; i < sk_X509_num(sk); i++)
{
X509* cert = sk_X509_value(sk, i);
X509* copy = copyfunc(cert);
if (!copy)
goto fail;
const int rc = sk_X509_push(stack, copy);
if (rc <= 0)
goto fail;
}
}
return stack;
fail:
sk_X509_pop_free(stack, freefunc);
return NULL;
}
#endif
/* OpenSSL API is not const consistent.
* While the TYPE_dup function take non const arguments
* the TYPE_sk versions require the arguments to be const...
*/
static INLINE X509* X509_const_dup(const X509* x509)
{
X509* ptr = WINPR_CAST_CONST_PTR_AWAY(x509, X509*);
return X509_dup(ptr);
}
#endif /* FREERDP_LIB_CRYPTO_OPENSSLCOMPAT_H */