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73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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Copyright (c) 2017, MariaDB Corporation.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#include <my_global.h>
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#include <ssl_compat.h>
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/*
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The check is only done for OpenSSL 1.1.x.
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It could run for OpenSSL 1.0.x but it doesn't make much sense
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and it hits this bug:
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https://bugs.launchpad.net/ubuntu/+source/openssl/+bug/1594748
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*/
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#ifndef HAVE_OPENSSL11
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int check_openssl_compatibility()
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{
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return 0;
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}
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#else
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#include <openssl/evp.h>
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static uint testing;
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size_t alloc_size, alloc_count;
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static void *coc_malloc(size_t size, const char *f __attribute__((unused)),
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int l __attribute__((unused)))
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{
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if (unlikely(testing))
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{
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alloc_size+= size;
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alloc_count++;
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}
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return malloc(size);
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}
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int check_openssl_compatibility()
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{
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EVP_CIPHER_CTX *evp_ctx;
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EVP_MD_CTX *md5_ctx;
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if (!CRYPTO_set_mem_functions(coc_malloc, NULL, NULL))
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return 0;
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testing= 1;
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alloc_size= alloc_count= 0;
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evp_ctx= EVP_CIPHER_CTX_new();
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EVP_CIPHER_CTX_free(evp_ctx);
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if (alloc_count != 1 || !alloc_size || alloc_size > EVP_CIPHER_CTX_SIZE)
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return 1;
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alloc_size= alloc_count= 0;
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md5_ctx= EVP_MD_CTX_new();
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EVP_MD_CTX_free(md5_ctx);
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if (alloc_count != 1 || !alloc_size || alloc_size > EVP_MD_CTX_SIZE)
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return 1;
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testing= 0;
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return 0;
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}
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#endif
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