/*
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 <openssl/evp.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;
static size_t alloc_size, alloc_count;
static void *coc_malloc(size_t size
#ifndef LIBRESSL_VERSION_NUMBER
, const char *f __attribute__((unused)),
int l __attribute__((unused))
#endif
)
{
if (unlikely(testing))
{
alloc_size+= size;
alloc_count++;
}
return malloc(size);
}
static void *coc_realloc(void *addr, size_t num
#ifndef LIBRESSL_VERSION_NUMBER
, const char *file __attribute__((unused)),
int line __attribute__((unused))
#endif
)
{
return realloc(addr, num);
}
static void coc_free(void *addr
#ifndef LIBRESSL_VERSION_NUMBER
, const char *file __attribute__((unused)),
int line __attribute__((unused))
#endif
)
{
free(addr);
}
int check_openssl_compatibility()
{
EVP_CIPHER_CTX *evp_ctx;
EVP_MD_CTX *md5_ctx;
if (!CRYPTO_set_mem_functions(coc_malloc, coc_realloc, coc_free))
return 0 ;
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_new();
EVP_MD_CTX_free(md5_ctx);
if (alloc_count != 1 || !alloc_size || alloc_size > EVP_MD_CTX_SIZE)
return 1 ;
testing= 0 ;
return 0 ;
}
#endif
Messung V0.5 in Prozent C=97 H=100 G=98
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-10-08)
¤
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