mirror of
https://github.com/MariaDB/server.git
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ccca4f43c9
post-review fixes: * move all ssl implementation related ifdefs/defines to one file (ssl_compat.h) * work around OpenSSL-1.1 desire to malloc every EVP context by run-time checking that context allocated on the stack is big enough (openssl.c) * use newer version of the AWS SDK for OpenSSL 1.1 * use get_dh2048() function as generated by openssl 1.1 (viosslfactories.c)
144 lines
3.5 KiB
C++
144 lines
3.5 KiB
C++
/* Copyright (c) 2012, Oracle and/or its affiliates.
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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 Foundation,
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51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
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/**
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@file
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@brief
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Wrapper functions for OpenSSL and YaSSL. Also provides a Compatibility layer
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to make available YaSSL's MD5 implementation.
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*/
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#include <my_global.h>
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#include <my_md5.h>
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#include <stdarg.h>
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#if defined(HAVE_YASSL)
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#include "md5.hpp"
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#include <ssl_compat.h>
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typedef TaoCrypt::MD5 EVP_MD_CTX;
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static void md5_init(EVP_MD_CTX *context)
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{
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context= new(context) EVP_MD_CTX;
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context->Init();
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}
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static void md5_input(EVP_MD_CTX *context, const uchar *buf, unsigned len)
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{
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context->Update((const TaoCrypt::byte *) buf, len);
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}
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static void md5_result(EVP_MD_CTX *context, uchar digest[MD5_HASH_SIZE])
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{
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context->Final((TaoCrypt::byte *) digest);
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}
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#elif defined(HAVE_OPENSSL)
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#include <openssl/evp.h>
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#include <ssl_compat.h>
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static void md5_init(EVP_MD_CTX *context)
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{
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EVP_MD_CTX_init(context);
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#ifdef EVP_MD_CTX_FLAG_NON_FIPS_ALLOW
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/* Ok to ignore FIPS: MD5 is not used for crypto here */
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EVP_MD_CTX_set_flags(context, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
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#endif
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EVP_DigestInit_ex(context, EVP_md5(), NULL);
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}
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static void md5_input(EVP_MD_CTX *context, const uchar *buf, unsigned len)
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{
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EVP_DigestUpdate(context, buf, len);
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}
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static void md5_result(EVP_MD_CTX *context, uchar digest[MD5_HASH_SIZE])
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{
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EVP_DigestFinal_ex(context, digest, NULL);
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EVP_MD_CTX_cleanup(context);
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}
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#endif /* HAVE_YASSL */
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/**
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Wrapper function to compute MD5 message digest.
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@param digest [out] Computed MD5 digest
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@param buf [in] Message to be computed
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@param len [in] Length of the message
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@return void
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*/
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void my_md5(uchar *digest, const char *buf, size_t len)
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{
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char ctx_buf[EVP_MD_CTX_SIZE];
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EVP_MD_CTX * const ctx= (EVP_MD_CTX*)ctx_buf;
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md5_init(ctx);
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md5_input(ctx, (const uchar *)buf, len);
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md5_result(ctx, digest);
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}
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/**
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Wrapper function to compute MD5 message digest for
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many messages, concatenated.
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@param digest [out] Computed MD5 digest
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@param buf1 [in] First message
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@param len1 [in] Length of first message
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...
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@param bufN [in] NULL terminates the list of buf,len pairs.
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@return void
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*/
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void my_md5_multi(uchar *digest, ...)
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{
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va_list args;
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const uchar *str;
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char ctx_buf[EVP_MD_CTX_SIZE];
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EVP_MD_CTX * const ctx= (EVP_MD_CTX*)ctx_buf;
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va_start(args, digest);
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md5_init(ctx);
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for (str= va_arg(args, const uchar*); str; str= va_arg(args, const uchar*))
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md5_input(ctx, str, va_arg(args, size_t));
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md5_result(ctx, digest);
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va_end(args);
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}
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size_t my_md5_context_size()
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{
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return EVP_MD_CTX_SIZE;
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}
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void my_md5_init(void *context)
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{
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md5_init((EVP_MD_CTX *)context);
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}
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void my_md5_input(void *context, const uchar *buf, size_t len)
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{
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md5_input((EVP_MD_CTX *)context, buf, len);
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}
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void my_md5_result(void *context, uchar *digest)
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{
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md5_result((EVP_MD_CTX *)context, digest);
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}
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