/**

 * 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);

}

Unexecuted instantiation: privatekey.c:X509_const_dup

Unexecuted instantiation: certificate.c:X509_const_dup

Unexecuted instantiation: tsg.c:X509_const_dup

Unexecuted instantiation: rdg.c:X509_const_dup

Unexecuted instantiation: wst.c:X509_const_dup

Unexecuted instantiation: cert_common.c:X509_const_dup

Unexecuted instantiation: tls.c:X509_const_dup

Unexecuted instantiation: tcp.c:X509_const_dup

Unexecuted instantiation: arm.c:X509_const_dup

#endif /* FREERDP_LIB_CRYPTO_OPENSSLCOMPAT_H */