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/*
Copyright (c) 2017, MariaDB Corporation.
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; version 2 of the License.
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 St, Fifth Floor, Boston, MA 02110-1301 USA */
#include <my_global.h>
#include <ssl_compat.h>
/*
The check is only done for OpenSSL 1.1.x.
It could run for OpenSSL 1.0.x but it doesn't make much sense
and it hits this bug:
https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1594748
*/
#ifndef HAVE_OPENSSL11
int check_openssl_compatibility()
{
return 0;
}
#else
#include <openssl/evp.h>
static uint testing, alloc_size, alloc_count;
static void *coc_malloc(size_t size, const char *, int)
{
if (unlikely(testing))
{
alloc_size+= size;
alloc_count++;
}
return malloc(size);
}
int check_openssl_compatibility()
{
EVP_CIPHER_CTX *evp_ctx;
EVP_MD_CTX *md5_ctx;
if (!CRYPTO_set_mem_functions(coc_malloc, CRYPTO_realloc, CRYPTO_free))
return 1;
testing= 1;
alloc_size= alloc_count= 0;
evp_ctx= EVP_CIPHER_CTX_new();
EVP_CIPHER_CTX_free(evp_ctx);
if (alloc_count != 1 || !alloc_size || alloc_size > EVP_CIPHER_CTX_SIZE)
return 1;
alloc_size= alloc_count= 0;
md5_ctx= EVP_MD_CTX_create();
EVP_MD_CTX_destroy(md5_ctx);
if (alloc_count != 1 || !alloc_size || alloc_size > EVP_MD_CTX_SIZE)
return 1;
testing= 0;
return 0;
}
#endif
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