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/*
* s3backer - FUSE-based single file backing store via Amazon S3
*
* Copyright 2008-2011 Archie L. Cobbs <archie@dellroad.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations including
* the two.
*
* You must obey the GNU General Public License in all respects for all
* of the code used other than OpenSSL. If you modify file(s) with this
* exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do
* so, delete this exception statement from your version. If you delete
* this exception statement from all source files in the program, then
* also delete it here.
*/
#include "s3backer.h"
/* Issue #64 OpenSSL 1.1.0 compatibility */
#if OPENSSL_VERSION_NUMBER < 0x10100000L
/*
* OpenSSL does not allow for HMAC_CTX or EVP_MD_CTX to be allocated on the
* stack. Instead it provides a set of _new and _free functions for dynamic
* allocation that do not exist in the older versions of the library. For
* older OpenSSL versions we provide our own implementations of these missing
* functions.
*/
HMAC_CTX *HMAC_CTX_new(void)
{
HMAC_CTX *ctx = OPENSSL_malloc(sizeof(*ctx));
if (ctx != NULL) {
HMAC_CTX_init(ctx);
}
return ctx;
}
void HMAC_CTX_free(HMAC_CTX *ctx)
{
if (ctx != NULL) {
HMAC_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
}
EVP_MD_CTX *EVP_MD_CTX_new(void)
{
EVP_MD_CTX *ctx = OPENSSL_malloc(sizeof(*ctx));
if (NULL != ctx) {
EVP_MD_CTX_init(ctx);
}
return ctx;
}
void EVP_MD_CTX_free(EVP_MD_CTX *ctx)
{
if (ctx != NULL) {
EVP_MD_CTX_cleanup(ctx);
OPENSSL_free(ctx);
}
}
#endif
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