PKGBUILDs/extra/mariadb/0001-openssl-1-1-0.patch

diff --git a/extra/yassl/src/handshake.cpp b/extra/yassl/src/handshake.cpp
index 407e409..6e181a9 100644
--- a/extra/yassl/src/handshake.cpp
+++ b/extra/yassl/src/handshake.cpp
@@ -788,6 +788,16 @@ int DoProcessReply(SSL& ssl)
             needHdr = true;
         else {
             buffer >> hdr;
+            /*
+              According to RFC 4346 (see "7.4.1.3. Server Hello"), the Server Hello
+              packet needs to specify the highest supported TLS version, but not
+              higher than what client requests. YaSSL highest supported version is
+              TLSv1.1 (=3.2) - if the client requests a higher version, downgrade it
+              here to 3.2.
+              See also Appendix E of RFC 5246 (TLS 1.2)
+            */
+            if (hdr.version_.major_ == 3 && hdr.version_.minor_ > 2)
+              hdr.version_.minor_ = 2;
             ssl.verifyState(hdr);
         }
 
diff --git a/include/ssl_compat.h b/include/ssl_compat.h
new file mode 100644
index 0000000..b0e3ed4
--- /dev/null
+++ b/include/ssl_compat.h
@@ -0,0 +1,75 @@
+/*
+ Copyright (c) 2016, 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 <openssl/opensslv.h>
+
+/* OpenSSL version specific definitions */
+#if !defined(HAVE_YASSL) && defined(OPENSSL_VERSION_NUMBER)
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(LIBRESSL_VERSION_NUMBER)
+#define HAVE_X509_check_host 1
+#endif
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+#define HAVE_OPENSSL11 1
+#define ERR_remove_state(X) ERR_clear_error()
+#define EVP_MD_CTX_cleanup(X) EVP_MD_CTX_reset(X)
+#define EVP_CIPHER_CTX_SIZE 168
+#define EVP_MD_CTX_SIZE 48
+#undef EVP_MD_CTX_init
+#define EVP_MD_CTX_init(X) do { bzero((X), EVP_MD_CTX_SIZE); EVP_MD_CTX_reset(X); } while(0)
+#undef EVP_CIPHER_CTX_init
+#define EVP_CIPHER_CTX_init(X) do { bzero((X), EVP_CIPHER_CTX_SIZE); EVP_CIPHER_CTX_reset(X); } while(0)
+
+#else
+#define HAVE_OPENSSL10 1
+/*
+  Unfortunately RAND_bytes manual page does not provide any guarantees
+  in relation to blocking behavior. Here we explicitly use SSLeay random
+  instead of whatever random engine is currently set in OpenSSL. That way
+  we are guaranteed to have a non-blocking random.
+*/
+#define RAND_OpenSSL() RAND_SSLeay()
+
+#ifdef HAVE_ERR_remove_thread_state
+#define ERR_remove_state(X) ERR_remove_thread_state(NULL)
+#endif /* HAVE_ERR_remove_thread_state */
+
+#endif /* HAVE_OPENSSL11 */
+
+#elif defined(HAVE_YASSL)
+#define BN_free(X) do { } while(0)
+#endif /* !defined(HAVE_YASSL) */
+
+#ifndef HAVE_OPENSSL11
+#define ASN1_STRING_get0_data(X)        ASN1_STRING_data(X)
+#define OPENSSL_init_ssl(X,Y)           SSL_library_init()
+#define DH_set0_pqg(D,P,Q,G)            ((D)->p= (P), (D)->g= (G))
+#define EVP_CIPHER_CTX_buf_noconst(ctx) ((ctx)->buf)
+#define EVP_CIPHER_CTX_encrypting(ctx)  ((ctx)->encrypt)
+#define EVP_CIPHER_CTX_SIZE             sizeof(EVP_CIPHER_CTX)
+#define EVP_MD_CTX_SIZE                 sizeof(EVP_MD_CTX)
+#endif
+
+#ifdef	__cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+int check_openssl_compatibility();
+
+#ifdef	__cplusplus
+}
+#endif
diff --git a/include/violite.h b/include/violite.h
index a7165ca..572d474 100644
--- a/include/violite.h
+++ b/include/violite.h
@@ -123,13 +123,6 @@ int vio_getnameinfo(const struct sockaddr *sa,
                     int flags);
 
 #ifdef HAVE_OPENSSL
-#include <openssl/opensslv.h>
-#if OPENSSL_VERSION_NUMBER < 0x0090700f
-#define DES_cblock des_cblock
-#define DES_key_schedule des_key_schedule
-#define DES_set_key_unchecked(k,ks) des_set_key_unchecked((k),*(ks))
-#define DES_ede3_cbc_encrypt(i,o,l,k1,k2,k3,iv,e) des_ede3_cbc_encrypt((i),(o),(l),*(k1),*(k2),*(k3),(iv),(e))
-#endif
 /* apple deprecated openssl in MacOSX Lion */
 #ifdef __APPLE__
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
@@ -146,14 +139,10 @@ typedef my_socket YASSL_SOCKET_T;
 #include <openssl/ssl.h>
 #include <openssl/err.h>
 
-#ifdef HAVE_ERR_remove_thread_state
-#define ERR_remove_state(X) ERR_remove_thread_state(NULL)
-#endif
-
 enum enum_ssl_init_error
 {
-  SSL_INITERR_NOERROR= 0, SSL_INITERR_CERT, SSL_INITERR_KEY, 
-  SSL_INITERR_NOMATCH, SSL_INITERR_BAD_PATHS, SSL_INITERR_CIPHERS, 
+  SSL_INITERR_NOERROR= 0, SSL_INITERR_CERT, SSL_INITERR_KEY,
+  SSL_INITERR_NOMATCH, SSL_INITERR_BAD_PATHS, SSL_INITERR_CIPHERS,
   SSL_INITERR_MEMFAIL, SSL_INITERR_DH, SSL_INITERR_LASTERR
 };
 const char* sslGetErrString(enum enum_ssl_init_error err);
diff --git a/mysql-test/include/require_openssl_client.inc b/mysql-test/include/require_openssl_client.inc
new file mode 100644
index 0000000..9b19960
--- /dev/null
+++ b/mysql-test/include/require_openssl_client.inc
@@ -0,0 +1,5 @@
+if ($CLIENT_TLS_LIBRARY != "OpenSSL") {
+  if ($CLIENT_TLS_LIBRARY != "LibreSSL") {
+    skip "Test requires Connector/C with OpenSSL library";
+  }
+}
diff --git a/mysql-test/mysql-test-run.pl b/mysql-test/mysql-test-run.pl
index eaec51b..1b28469 100755
--- a/mysql-test/mysql-test-run.pl
+++ b/mysql-test/mysql-test-run.pl
@@ -2301,6 +2301,11 @@ sub environment_setup {
   $ENV{'MYSQL_PLUGIN'}=             $exe_mysql_plugin;
   $ENV{'MYSQL_EMBEDDED'}=           $exe_mysql_embedded;
 
+  my $client_config_exe=
+    native_path("$bindir/libmariadb/mariadb_config$opt_vs_config/mariadb_config");
+  my $tls_info= `$client_config_exe --tlsinfo`;
+  ($ENV{CLIENT_TLS_LIBRARY},$ENV{CLIENT_TLS_LIBRARY_VERSION})=
+    split(/ /, $tls_info, 2);
   my $exe_mysqld= find_mysqld($basedir);
   $ENV{'MYSQLD'}= $exe_mysqld;
   my $extra_opts= join (" ", @opt_extra_mysqld_opt);
diff --git a/mysql-test/r/openssl_6975,tlsv10.result b/mysql-test/r/openssl_6975,tlsv10.result
index 7a4465f..202e7f4 100644
--- a/mysql-test/r/openssl_6975,tlsv10.result
+++ b/mysql-test/r/openssl_6975,tlsv10.result
@@ -3,11 +3,11 @@ grant select on test.* to ssl_sslv3@localhost require cipher "AES128-SHA";
 create user ssl_tls12@localhost;
 grant select on test.* to ssl_tls12@localhost require cipher "AES128-SHA256";
 TLS1.2 ciphers: user is ok with any cipher
-ERROR 2026 (HY000): SSL connection error: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
-ERROR 2026 (HY000): SSL connection error: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
+ERROR 2026 (HY000): SSL connection error: sslv3 alert handshake failure
+ERROR 2026 (HY000): SSL connection error: sslv3 alert handshake failure
 TLS1.2 ciphers: user requires SSLv3 cipher AES128-SHA
-ERROR 2026 (HY000): SSL connection error: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
-ERROR 2026 (HY000): SSL connection error: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
+ERROR 2026 (HY000): SSL connection error: sslv3 alert handshake failure
+ERROR 2026 (HY000): SSL connection error: sslv3 alert handshake failure
 TLS1.2 ciphers: user requires TLSv1.2 cipher AES128-SHA256
 ERROR 2026 (HY000): SSL connection error: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
 ERROR 2026 (HY000): SSL connection error: error:14077410:SSL routines:SSL23_GET_SERVER_HELLO:sslv3 alert handshake failure
diff --git a/mysql-test/t/openssl_6975.test b/mysql-test/t/openssl_6975.test
index 49889a3..6a82d01 100644
--- a/mysql-test/t/openssl_6975.test
+++ b/mysql-test/t/openssl_6975.test
@@ -4,6 +4,7 @@
 # test SSLv3 and TLSv1.2 ciphers when OpenSSL is restricted to SSLv3 or TLSv1.2
 #
 source include/have_ssl_communication.inc;
+source include/require_openssl_client.inc;
 
 # this is OpenSSL test.
 
diff --git a/mysql-test/t/ssl_7937.test b/mysql-test/t/ssl_7937.test
index d593b9d..a764579 100644
--- a/mysql-test/t/ssl_7937.test
+++ b/mysql-test/t/ssl_7937.test
@@ -26,6 +26,7 @@ create procedure have_ssl()
 # we fake the test result for yassl
 let yassl=`select variable_value='Unknown' from information_schema.session_status where variable_name='Ssl_session_cache_mode'`;
 if (!$yassl) {
+  --replace_result "self signed certificate in certificate chain" "Failed to verify the server certificate" "Error in the certificate." "Failed to verify the server certificate"
   --exec $MYSQL --ssl --ssl-verify-server-cert -e "call test.have_ssl()" 2>&1
 }
 if ($yassl) {
diff --git a/mysql-test/t/ssl_8k_key.test b/mysql-test/t/ssl_8k_key.test
index 27cffdc..9d5b382 100644
--- a/mysql-test/t/ssl_8k_key.test
+++ b/mysql-test/t/ssl_8k_key.test
@@ -1,5 +1,5 @@
-# This test should work in embedded server after we fix mysqltest
--- source include/not_embedded.inc
+# schannel does not support keys longer than 4k
+-- source include/not_windows.inc
 
 -- source include/have_ssl_communication.inc
 #
diff --git a/mysys_ssl/CMakeLists.txt b/mysys_ssl/CMakeLists.txt
index 4f6f745..f8a767e 100644
--- a/mysys_ssl/CMakeLists.txt
+++ b/mysys_ssl/CMakeLists.txt
@@ -28,6 +28,7 @@ SET(MYSYS_SSL_HIDDEN_SOURCES
     my_sha384.cc
     my_sha512.cc
     my_md5.cc
+    openssl.c
    )
 
 SET(MYSYS_SSL_SOURCES
diff --git a/mysys_ssl/my_crypt.cc b/mysys_ssl/my_crypt.cc
index 4393394..da60a10 100644
--- a/mysys_ssl/my_crypt.cc
+++ b/mysys_ssl/my_crypt.cc
@@ -1,6 +1,6 @@
 /*
  Copyright (c) 2014 Google Inc.
- Copyright (c) 2014, 2015 MariaDB Corporation
+ Copyright (c) 2014, 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
@@ -17,7 +17,6 @@
 
 #include <my_global.h>
 #include <string.h>
-#include <my_crypt.h>
 
 #ifdef HAVE_YASSL
 #include "yassl.cc"
@@ -28,42 +27,53 @@
 #include <openssl/err.h>
 #include <openssl/rand.h>
 
-#ifdef HAVE_ERR_remove_thread_state
-#define ERR_remove_state(X) ERR_remove_thread_state(NULL)
+#include <openssl/rand.h>
 #endif
 
-#endif
+#include <my_crypt.h>
+#include <ssl_compat.h>
 
 class MyCTX
 {
 public:
-  EVP_CIPHER_CTX ctx;
-  MyCTX() { EVP_CIPHER_CTX_init(&ctx); }
-  virtual ~MyCTX() { EVP_CIPHER_CTX_cleanup(&ctx); ERR_remove_state(0); }
+  char ctx_buf[EVP_CIPHER_CTX_SIZE];
+  EVP_CIPHER_CTX *ctx;
+
+  MyCTX()
+  {
+    ctx= (EVP_CIPHER_CTX *)ctx_buf;
+    EVP_CIPHER_CTX_init(ctx);
+  }
+  virtual ~MyCTX()
+  {
+    EVP_CIPHER_CTX_cleanup(ctx);
+    ERR_remove_state(0);
+  }
 
   virtual int init(const EVP_CIPHER *cipher, int encrypt, const uchar *key,
                    uint klen, const uchar *iv, uint ivlen)
   {
+    compile_time_assert(MY_AES_CTX_SIZE >= sizeof(MyCTX));
     if (unlikely(!cipher))
       return MY_AES_BAD_KEYSIZE;
 
-    if (!EVP_CipherInit_ex(&ctx, cipher, NULL, key, iv, encrypt))
+    if (!EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, encrypt))
       return MY_AES_OPENSSL_ERROR;
 
-    DBUG_ASSERT(EVP_CIPHER_CTX_key_length(&ctx) == (int)klen);
-    DBUG_ASSERT(EVP_CIPHER_CTX_iv_length(&ctx) <= (int)ivlen);
+    DBUG_ASSERT(EVP_CIPHER_CTX_key_length(ctx) == (int)klen);
+    DBUG_ASSERT(EVP_CIPHER_CTX_iv_length(ctx) <= (int)ivlen);
 
     return MY_AES_OK;
   }
   virtual int update(const uchar *src, uint slen, uchar *dst, uint *dlen)
   {
-    if (!EVP_CipherUpdate(&ctx, dst, (int*)dlen, src, slen))
+    if (!EVP_CipherUpdate(ctx, dst, (int*)dlen, src, slen))
       return MY_AES_OPENSSL_ERROR;
     return MY_AES_OK;
   }
   virtual int finish(uchar *dst, uint *dlen)
   {
-    if (!EVP_CipherFinal_ex(&ctx, dst, (int*)dlen))
+    if (!EVP_CipherFinal_ex(ctx, dst, (int*)dlen))
       return MY_AES_BAD_DATA;
     return MY_AES_OK;
   }
@@ -73,7 +83,8 @@ class MyCTX_nopad : public MyCTX
 {
 public:
   const uchar *key;
-  int klen;
+  uint klen, buf_len;
+  uchar oiv[MY_AES_BLOCK_SIZE];
 
   MyCTX_nopad() : MyCTX() { }
   ~MyCTX_nopad() { }
@@ -84,32 +95,48 @@ class MyCTX_nopad : public MyCTX
     compile_time_assert(MY_AES_CTX_SIZE >= sizeof(MyCTX_nopad));
     this->key= key;
     this->klen= klen;
+    this->buf_len= 0;
+    memcpy(oiv, iv, ivlen);
+    DBUG_ASSERT(ivlen == 0 || ivlen == sizeof(oiv));
+
     int res= MyCTX::init(cipher, encrypt, key, klen, iv, ivlen);
-    memcpy(ctx.oiv, iv, ivlen); // in ECB mode OpenSSL doesn't do that itself
-    EVP_CIPHER_CTX_set_padding(&ctx, 0);
+
+    EVP_CIPHER_CTX_set_padding(ctx, 0);
     return res;
   }
 
+  int update(const uchar *src, uint slen, uchar *dst, uint *dlen)
+  {
+    buf_len+= slen;
+    return MyCTX::update(src, slen, dst, dlen);
+  }
+
   int finish(uchar *dst, uint *dlen)
   {
-    if (ctx.buf_len)
+    buf_len %= MY_AES_BLOCK_SIZE;
+    if (buf_len)
     {
+      uchar *buf= EVP_CIPHER_CTX_buf_noconst(ctx);
       /*
         Not much we can do, block ciphers cannot encrypt data that aren't
         a multiple of the block length. At least not without padding.
         Let's do something CTR-like for the last partial block.
+
+        NOTE this assumes that there are only buf_len bytes in the buf.
+        If OpenSSL will change that, we'll need to change the implementation
+        of this class too.
       */
       uchar mask[MY_AES_BLOCK_SIZE];
       uint mlen;
 
       my_aes_crypt(MY_AES_ECB, ENCRYPTION_FLAG_ENCRYPT | ENCRYPTION_FLAG_NOPAD,
-                   ctx.oiv, sizeof(mask), mask, &mlen, key, klen, 0, 0);
+                   oiv, sizeof(mask), mask, &mlen, key, klen, 0, 0);
       DBUG_ASSERT(mlen == sizeof(mask));
 
-      for (int i=0; i < ctx.buf_len; i++)
-        dst[i]= ctx.buf[i] ^ mask[i];
+      for (uint i=0; i < buf_len; i++)
+        dst[i]= buf[i] ^ mask[i];
     }
-    *dlen= ctx.buf_len;
+    *dlen= buf_len;
     return MY_AES_OK;
   }
 };
@@ -153,7 +180,7 @@ class MyCTX_gcm : public MyCTX
   {
     compile_time_assert(MY_AES_CTX_SIZE >= sizeof(MyCTX_gcm));
     int res= MyCTX::init(cipher, encrypt, key, klen, iv, ivlen);
-    int real_ivlen= EVP_CIPHER_CTX_iv_length(&ctx);
+    int real_ivlen= EVP_CIPHER_CTX_iv_length(ctx);
     aad= iv + real_ivlen;
     aadlen= ivlen - real_ivlen;
     return res;
@@ -167,15 +194,15 @@ class MyCTX_gcm : public MyCTX
       before decrypting the data. it can encrypt data piecewise, like, first
       half, then the second half, but it must decrypt all at once
     */
-    if (!ctx.encrypt)
+    if (!EVP_CIPHER_CTX_encrypting(ctx))
     {
       slen-= MY_AES_BLOCK_SIZE;
-      if(!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_SET_TAG, MY_AES_BLOCK_SIZE,
+      if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, MY_AES_BLOCK_SIZE,
                               (void*)(src + slen)))
         return MY_AES_OPENSSL_ERROR;
     }
     int unused;
-    if (aadlen && !EVP_CipherUpdate(&ctx, NULL, &unused, aad, aadlen))
+    if (aadlen && !EVP_CipherUpdate(ctx, NULL, &unused, aad, aadlen))
       return MY_AES_OPENSSL_ERROR;
     aadlen= 0;
     return MyCTX::update(src, slen, dst, dlen);
@@ -184,13 +211,13 @@ class MyCTX_gcm : public MyCTX
   int finish(uchar *dst, uint *dlen)
   {
     int fin;
-    if (!EVP_CipherFinal_ex(&ctx, dst, &fin))
+    if (!EVP_CipherFinal_ex(ctx, dst, &fin))
       return MY_AES_BAD_DATA;
     DBUG_ASSERT(fin == 0);
 
-    if (ctx.encrypt)
+    if (EVP_CIPHER_CTX_encrypting(ctx))
     {
-      if(!EVP_CIPHER_CTX_ctrl(&ctx, EVP_CTRL_GCM_GET_TAG, MY_AES_BLOCK_SIZE, dst))
+      if(!EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, MY_AES_BLOCK_SIZE, dst))
         return MY_AES_OPENSSL_ERROR;
       *dlen= MY_AES_BLOCK_SIZE;
     }
@@ -258,12 +285,15 @@ int my_aes_crypt(enum my_aes_mode mode, int flags,
 {
   void *ctx= alloca(MY_AES_CTX_SIZE);
   int res1, res2;
-  uint d1, d2;
+  uint d1= 0, d2;
   if ((res1= my_aes_crypt_init(ctx, mode, flags, key, klen, iv, ivlen)))
     return res1;
   res1= my_aes_crypt_update(ctx, src, slen, dst, &d1);
   res2= my_aes_crypt_finish(ctx, dst + d1, &d2);
-  *dlen= d1 + d2;
+  if (res1 || res2)
+    ERR_remove_state(0); /* in case of failure clear error queue */
+  else
+    *dlen= d1 + d2;
   return res1 ? res1 : res2;
 }
 
diff --git a/mysys_ssl/my_md5.cc b/mysys_ssl/my_md5.cc
index 7139ea9..0105082 100644
--- a/mysys_ssl/my_md5.cc
+++ b/mysys_ssl/my_md5.cc
@@ -1,5 +1,5 @@
 /* Copyright (c) 2012, Oracle and/or its affiliates.
-   Copyright (c) 2014, SkySQL Ab.
+   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
@@ -29,38 +29,31 @@
 
 #if defined(HAVE_YASSL)
 #include "md5.hpp"
+#include <ssl_compat.h>
 
-typedef TaoCrypt::MD5 MD5_CONTEXT;
+typedef TaoCrypt::MD5 EVP_MD_CTX;
 
-static void md5_init(MD5_CONTEXT *context)
+static void md5_init(EVP_MD_CTX *context)
 {
-  context= new(context) MD5_CONTEXT;
+  context= new(context) EVP_MD_CTX;
   context->Init();
 }
 
-/*
-  this is a variant of md5_init to be used in this file only.
-  does nothing for yassl, because the context's constructor was called automatically.
-*/
-static void md5_init_fast(MD5_CONTEXT *context)
-{
-}
-
-static void md5_input(MD5_CONTEXT *context, const uchar *buf, unsigned len)
+static void md5_input(EVP_MD_CTX *context, const uchar *buf, unsigned len)
 {
   context->Update((const TaoCrypt::byte *) buf, len);
 }
 
-static void md5_result(MD5_CONTEXT *context, uchar digest[MD5_HASH_SIZE])
+static void md5_result(EVP_MD_CTX *context, uchar digest[MD5_HASH_SIZE])
 {
     context->Final((TaoCrypt::byte *) digest);
 }
 
 #elif defined(HAVE_OPENSSL)
 #include <openssl/evp.h>
-typedef EVP_MD_CTX MD5_CONTEXT;
+#include <ssl_compat.h>
 
-static void md5_init(MD5_CONTEXT *context)
+static void md5_init(EVP_MD_CTX *context)
 {
   EVP_MD_CTX_init(context);
 #ifdef EVP_MD_CTX_FLAG_NON_FIPS_ALLOW
@@ -70,17 +63,12 @@ static void md5_init(MD5_CONTEXT *context)
   EVP_DigestInit_ex(context, EVP_md5(), NULL);
 }
 
-static void md5_init_fast(MD5_CONTEXT *context)
-{
-  md5_init(context);
-}
-
-static void md5_input(MD5_CONTEXT *context, const uchar *buf, unsigned len)
+static void md5_input(EVP_MD_CTX *context, const uchar *buf, unsigned len)
 {
   EVP_DigestUpdate(context, buf, len);
 }
 
-static void md5_result(MD5_CONTEXT *context, uchar digest[MD5_HASH_SIZE])
+static void md5_result(EVP_MD_CTX *context, uchar digest[MD5_HASH_SIZE])
 {
   EVP_DigestFinal_ex(context, digest, NULL);
   EVP_MD_CTX_cleanup(context);
@@ -99,58 +87,58 @@ static void md5_result(MD5_CONTEXT *context, uchar digest[MD5_HASH_SIZE])
 */
 void my_md5(uchar *digest, const char *buf, size_t len)
 {
-  MD5_CONTEXT md5_context;
-
-  md5_init_fast(&md5_context);
-  md5_input(&md5_context, (const uchar *)buf, len);
-  md5_result(&md5_context, digest);
+  char ctx_buf[EVP_MD_CTX_SIZE];
+  EVP_MD_CTX * const ctx= (EVP_MD_CTX*)ctx_buf;
+  md5_init(ctx);
+  md5_input(ctx, (const uchar *)buf, len);
+  md5_result(ctx, digest);
 }
 
 
 /**
   Wrapper function to compute MD5 message digest for
-  two messages in order to emulate md5(msg1, msg2).
+  many messages, concatenated.
 
   @param digest [out]  Computed MD5 digest
   @param buf1   [in]   First message
   @param len1   [in]   Length of first message
-  @param buf2   [in]   Second message
-  @param len2   [in]   Length of second message
+         ...
+  @param bufN   [in]   NULL terminates the list of buf,len pairs.
 
   @return              void
 */
 void my_md5_multi(uchar *digest, ...)
 {
   va_list args;
-  va_start(args, digest);
-
-  MD5_CONTEXT md5_context;
   const uchar *str;
+  char ctx_buf[EVP_MD_CTX_SIZE];
+  EVP_MD_CTX * const ctx= (EVP_MD_CTX*)ctx_buf;
+  va_start(args, digest);
 
-  md5_init_fast(&md5_context);
+  md5_init(ctx);
   for (str= va_arg(args, const uchar*); str; str= va_arg(args, const uchar*))
-    md5_input(&md5_context, str, va_arg(args, size_t));
+    md5_input(ctx, str, va_arg(args, size_t));
 
-  md5_result(&md5_context, digest);
+  md5_result(ctx, digest);
   va_end(args);
 }
 
 size_t my_md5_context_size()
 {
-  return sizeof(MD5_CONTEXT);
+  return EVP_MD_CTX_SIZE;
 }
 
 void my_md5_init(void *context)
 {
-  md5_init((MD5_CONTEXT *)context);
+  md5_init((EVP_MD_CTX *)context);
 }
 
 void my_md5_input(void *context, const uchar *buf, size_t len)
 {
-  md5_input((MD5_CONTEXT *)context, buf, len);
+  md5_input((EVP_MD_CTX *)context, buf, len);
 }
 
 void my_md5_result(void *context, uchar *digest)
 {
-  md5_result((MD5_CONTEXT *)context, digest);
+  md5_result((EVP_MD_CTX *)context, digest);
 }
diff --git a/mysys_ssl/openssl.c b/mysys_ssl/openssl.c
new file mode 100644
index 0000000..a3f1ca2
--- /dev/null
+++ b/mysys_ssl/openssl.c
@@ -0,0 +1,71 @@
+/*
+ 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>
+
+#ifdef HAVE_YASSL
+
+int check_openssl_compatibility()
+{
+  return 0;
+}
+#else
+#include <openssl/evp.h>
+
+#ifdef HAVE_OPENSSL11
+typedef void *(*CRYPTO_malloc_t)(size_t, const char *, int);
+#endif
+
+#ifdef HAVE_OPENSSL10
+typedef void *(*CRYPTO_malloc_t)(size_t);
+#define CRYPTO_malloc   malloc
+#define CRYPTO_realloc  realloc
+#define CRYPTO_free     free
+#endif
+
+static uint allocated_size, allocated_count;
+
+static void *coc_malloc(size_t size)
+{
+  allocated_size+= size;
+  allocated_count++;
+  return malloc(size);
+}
+
+int check_openssl_compatibility()
+{
+  EVP_CIPHER_CTX *evp_ctx;
+  EVP_MD_CTX     *md5_ctx;
+
+  CRYPTO_set_mem_functions((CRYPTO_malloc_t)coc_malloc, CRYPTO_realloc, CRYPTO_free);
+
+  allocated_size= allocated_count= 0;
+  evp_ctx= EVP_CIPHER_CTX_new();
+  EVP_CIPHER_CTX_free(evp_ctx);
+  if (allocated_count != 1 || allocated_size > EVP_CIPHER_CTX_SIZE)
+    return 1;
+
+  allocated_size= allocated_count= 0;
+  md5_ctx= EVP_MD_CTX_create();
+  EVP_MD_CTX_destroy(md5_ctx);
+  if (allocated_count != 1 || allocated_size > EVP_MD_CTX_SIZE)
+    return 1;
+
+  CRYPTO_set_mem_functions(CRYPTO_malloc, CRYPTO_realloc, CRYPTO_free);
+  return 0;
+}
+#endif
diff --git a/mysys_ssl/yassl.cc b/mysys_ssl/yassl.cc
index e9f8e65..268589d 100644
--- a/mysys_ssl/yassl.cc
+++ b/mysys_ssl/yassl.cc
@@ -45,7 +45,6 @@ typedef struct
   int buf_len;
   int final_used;
   uchar tao_buf[sizeof(TaoCrypt::AES)];   // TaoCrypt::AES object
-  uchar oiv[TaoCrypt::AES::BLOCK_SIZE];   // original IV
   uchar buf[TaoCrypt::AES::BLOCK_SIZE];   // last partial input block
   uchar final[TaoCrypt::AES::BLOCK_SIZE]; // last decrypted (output) block
 } EVP_CIPHER_CTX;
@@ -98,10 +97,7 @@ static int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
                                        : TaoCrypt::DECRYPTION, cipher->mode);
   TAO(ctx)->SetKey(key, cipher->key_len);
   if (iv)
-  {
     TAO(ctx)->SetIV(iv);
-    memcpy(ctx->oiv, iv, TaoCrypt::AES::BLOCK_SIZE);
-  }
   ctx->encrypt= enc;
   ctx->key_len= cipher->key_len;
   ctx->flags|= cipher->mode == TaoCrypt::CBC ? EVP_CIPH_CBC_MODE : EVP_CIPH_ECB_MODE;
diff --git a/sql-common/client.c b/sql-common/client.c
index da18a0f..e3280a1 100644
--- a/sql-common/client.c
+++ b/sql-common/client.c
@@ -105,6 +105,7 @@ my_bool	net_flush(NET *net);
 #endif
 
 #include "client_settings.h"
+#include <ssl_compat.h>
 #include <sql_common.h>
 #include <mysql/client_plugin.h>
 #include <my_context.h>
@@ -1770,9 +1771,8 @@ mysql_get_ssl_cipher(MYSQL *mysql __attribute__((unused)))
 
 #if defined(HAVE_OPENSSL)
 
-#if OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(HAVE_YASSL)
+#ifdef HAVE_X509_check_host
 #include <openssl/x509v3.h>
-#define HAVE_X509_check_host
 #endif
 
 static int ssl_verify_server_cert(Vio *vio, const char* server_hostname, const char **errptr)
@@ -1844,7 +1844,7 @@ static int ssl_verify_server_cert(Vio *vio, const char* server_hostname, const c
     goto error;
   }
 
-  cn= (char *) ASN1_STRING_data(cn_asn1);
+  cn= (char *) ASN1_STRING_get0_data(cn_asn1);
 
   if ((size_t)ASN1_STRING_length(cn_asn1) != strlen(cn))
   {
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index 0de9d7a..3a92192 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -338,9 +338,13 @@ static PSI_thread_key key_thread_handle_con_sockets;
 static PSI_thread_key key_thread_handle_shutdown;
 #endif /* __WIN__ */
 
-#if defined (HAVE_OPENSSL) && !defined(HAVE_YASSL)
+#ifdef HAVE_OPENSSL
+#include <ssl_compat.h>
+
+#ifdef HAVE_OPENSSL10
 static PSI_rwlock_key key_rwlock_openssl;
 #endif
+#endif
 #endif /* HAVE_PSI_INTERFACE */
 
 #ifdef HAVE_NPTL
@@ -987,7 +991,7 @@ PSI_rwlock_key key_rwlock_LOCK_grant, key_rwlock_LOCK_logger,
 
 static PSI_rwlock_info all_server_rwlocks[]=
 {
-#if defined (HAVE_OPENSSL) && !defined(HAVE_YASSL)
+#ifdef HAVE_OPENSSL10
   { &key_rwlock_openssl, "CRYPTO_dynlock_value::lock", 0},
 #endif
   { &key_rwlock_LOCK_grant, "LOCK_grant", PSI_FLAG_GLOBAL},
@@ -1457,7 +1461,7 @@ scheduler_functions *thread_scheduler= &thread_scheduler_struct,
 
 #ifdef HAVE_OPENSSL
 #include <openssl/crypto.h>
-#ifndef HAVE_YASSL
+#ifdef HAVE_OPENSSL10
 typedef struct CRYPTO_dynlock_value
 {
   mysql_rwlock_t lock;
@@ -1468,7 +1472,7 @@ static openssl_lock_t *openssl_dynlock_create(const char *, int);
 static void openssl_dynlock_destroy(openssl_lock_t *, const char *, int);
 static void openssl_lock_function(int, int, const char *, int);
 static void openssl_lock(int, openssl_lock_t *, const char *, int);
-#endif
+#endif /* HAVE_OPENSSL10 */
 char *des_key_file;
 #ifndef EMBEDDED_LIBRARY
 struct st_VioSSLFd *ssl_acceptor_fd;
@@ -2244,11 +2248,11 @@ static void clean_up_mutexes()
   mysql_mutex_destroy(&LOCK_global_index_stats);
 #ifdef HAVE_OPENSSL
   mysql_mutex_destroy(&LOCK_des_key_file);
-#ifndef HAVE_YASSL
+#ifdef HAVE_OPENSSL10
   for (int i= 0; i < CRYPTO_num_locks(); ++i)
     mysql_rwlock_destroy(&openssl_stdlocks[i].lock);
   OPENSSL_free(openssl_stdlocks);
-#endif /* HAVE_YASSL */
+#endif /* HAVE_OPENSSL10 */
 #endif /* HAVE_OPENSSL */
 #ifdef HAVE_REPLICATION
   mysql_mutex_destroy(&LOCK_rpl_status);
@@ -4038,6 +4042,14 @@ static int init_common_variables()
     return 1;
   }
 
+#ifdef HAVE_OPENSSL
+  if (check_openssl_compatibility())
+  {
+    sql_print_error("Incompatible OpenSSL version. Cannot continue...");
+    return 1;
+  }
+#endif
+
   if (init_thread_environment() ||
       mysql_init_variables())
     return 1;
@@ -4584,7 +4596,7 @@ static int init_thread_environment()
 #ifdef HAVE_OPENSSL
   mysql_mutex_init(key_LOCK_des_key_file,
                    &LOCK_des_key_file, MY_MUTEX_INIT_FAST);
-#ifndef HAVE_YASSL
+#ifdef HAVE_OPENSSL10
   openssl_stdlocks= (openssl_lock_t*) OPENSSL_malloc(CRYPTO_num_locks() *
                                                      sizeof(openssl_lock_t));
   for (int i= 0; i < CRYPTO_num_locks(); ++i)
@@ -4593,8 +4605,8 @@ static int init_thread_environment()
   CRYPTO_set_dynlock_destroy_callback(openssl_dynlock_destroy);
   CRYPTO_set_dynlock_lock_callback(openssl_lock);
   CRYPTO_set_locking_callback(openssl_lock_function);
-#endif
-#endif
+#endif /* HAVE_OPENSSL10 */
+#endif /* HAVE_OPENSSL */
   mysql_rwlock_init(key_rwlock_LOCK_sys_init_connect, &LOCK_sys_init_connect);
   mysql_rwlock_init(key_rwlock_LOCK_sys_init_slave, &LOCK_sys_init_slave);
   mysql_rwlock_init(key_rwlock_LOCK_grant, &LOCK_grant);
@@ -4627,7 +4639,7 @@ static int init_thread_environment()
 }
 
 
-#if defined(HAVE_OPENSSL) && !defined(HAVE_YASSL)
+#ifdef HAVE_OPENSSL10
 static openssl_lock_t *openssl_dynlock_create(const char *file, int line)
 {
   openssl_lock_t *lock= new openssl_lock_t;
@@ -4687,8 +4699,7 @@ static void openssl_lock(int mode, openssl_lock_t *lock, const char *file,
     abort();
   }
 }
-#endif /* HAVE_OPENSSL */
-
+#endif /* HAVE_OPENSSL10 */
 
 static void init_ssl()
 {
diff --git a/sql/slave.cc b/sql/slave.cc
index da394ff..2096ed1 100644
--- a/sql/slave.cc
+++ b/sql/slave.cc
@@ -40,6 +40,7 @@
 #include <my_dir.h>
 #include <sql_common.h>
 #include <errmsg.h>
+#include <ssl_compat.h>
 #include <mysqld_error.h>
 #include <mysys_err.h>
 #include "rpl_handler.h"
@@ -60,7 +61,6 @@
 #include "debug_sync.h"
 #include "rpl_parallel.h"
 
-
 #define FLAGSTR(V,F) ((V)&(F)?#F" ":"")
 
 #define MAX_SLAVE_RETRY_PAUSE 5
@@ -4506,9 +4506,7 @@ log space");
 
   DBUG_LEAVE;                                   // Must match DBUG_ENTER()
   my_thread_end();
-#ifdef HAVE_OPENSSL
   ERR_remove_state(0);
-#endif
   pthread_exit(0);
   return 0;                                     // Avoid compiler warnings
 }
@@ -5167,9 +5165,7 @@ pthread_handler_t handle_slave_sql(void *arg)
 
   DBUG_LEAVE;                                   // Must match DBUG_ENTER()
   my_thread_end();
-#ifdef HAVE_OPENSSL
   ERR_remove_state(0);
-#endif
   pthread_exit(0);
   return 0;                                     // Avoid compiler warnings
 }
diff --git a/vio/vio.c b/vio/vio.c
index e3bc8ca..44d0609 100644
--- a/vio/vio.c
+++ b/vio/vio.c
@@ -22,6 +22,7 @@
 */
 
 #include "vio_priv.h"
+#include "ssl_compat.h"
 
 #ifdef _WIN32
 
diff --git a/vio/viosslfactories.c b/vio/viosslfactories.c
index 52b624d..71ef287 100644
--- a/vio/viosslfactories.c
+++ b/vio/viosslfactories.c
@@ -15,6 +15,7 @@
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
 #include "vio_priv.h"
+#include <ssl_compat.h>
 
 #ifdef HAVE_OPENSSL
 #ifndef HAVE_YASSL
@@ -26,49 +27,56 @@ static my_bool     ssl_algorithms_added    = FALSE;
 static my_bool     ssl_error_strings_loaded= FALSE;
 
 /* the function below was generated with "openssl dhparam -2 -C 2048" */
+
 static
 DH *get_dh2048()
 {
-  static unsigned char dh2048_p[]={
-    0xA1,0xBB,0x7C,0x20,0xC5,0x5B,0xC0,0x7B,0x21,0x8B,0xD6,0xA8,
-    0x15,0xFC,0x3B,0xBA,0xAB,0x9F,0xDF,0x68,0xC4,0x79,0x78,0x0D,
-    0xC1,0x12,0x64,0xE4,0x15,0xC9,0x66,0xDB,0xF6,0xCB,0xB3,0x39,
-    0x02,0x5B,0x78,0x62,0xFB,0x09,0xAE,0x09,0x6B,0xDD,0xD4,0x5D,
-    0x97,0xBC,0xDC,0x7F,0xE6,0xD6,0xF1,0xCB,0xF5,0xEB,0xDA,0xA7,
-    0x2E,0x5A,0x43,0x2B,0xE9,0x40,0xE2,0x85,0x00,0x1C,0xC0,0x0A,
-    0x98,0x77,0xA9,0x31,0xDE,0x0B,0x75,0x4D,0x1E,0x1F,0x16,0x83,
-    0xCA,0xDE,0xBD,0x21,0xFC,0xC1,0x82,0x37,0x36,0x33,0x0B,0x66,
-    0x06,0x3C,0xF3,0xAF,0x21,0x57,0x57,0x80,0xF6,0x94,0x1B,0xA9,
-    0xD4,0xF6,0x8F,0x18,0x62,0x0E,0xC4,0x22,0xF9,0x5B,0x62,0xCC,
-    0x3F,0x19,0x95,0xCF,0x4B,0x00,0xA6,0x6C,0x0B,0xAF,0x9F,0xD5,
-    0xFA,0x3D,0x6D,0xDA,0x30,0x83,0x07,0x91,0xAC,0x15,0xFF,0x8F,
-    0x59,0x54,0xEA,0x25,0xBC,0x4E,0xEB,0x6A,0x54,0xDF,0x75,0x09,
-    0x72,0x0F,0xEF,0x23,0x70,0xE0,0xA8,0x04,0xEA,0xFF,0x90,0x54,
-    0xCD,0x84,0x18,0xC0,0x75,0x91,0x99,0x0F,0xA1,0x78,0x0C,0x07,
-    0xB7,0xC5,0xDE,0x55,0x06,0x7B,0x95,0x68,0x2C,0x33,0x39,0xBC,
-    0x2C,0xD0,0x6D,0xDD,0xFA,0xDC,0xB5,0x8F,0x82,0x39,0xF8,0x67,
-    0x44,0xF1,0xD8,0xF7,0x78,0x11,0x9A,0x77,0x9B,0x53,0x47,0xD6,
-    0x2B,0x5D,0x67,0xB8,0xB7,0xBC,0xC1,0xD7,0x79,0x62,0x15,0xC2,
-    0xC5,0x83,0x97,0xA7,0xF8,0xB4,0x9C,0xF6,0x8F,0x9A,0xC7,0xDA,
-    0x1B,0xBB,0x87,0x07,0xA7,0x71,0xAD,0xB2,0x8A,0x50,0xF8,0x26,
-    0x12,0xB7,0x3E,0x0B,
-  };
-  static unsigned char dh2048_g[]={
-    0x02,
-  };
-  DH *dh;
-
-  if ((dh=DH_new()) == NULL) return(NULL);
-  dh->p=BN_bin2bn(dh2048_p,sizeof(dh2048_p),NULL);
-  dh->g=BN_bin2bn(dh2048_g,sizeof(dh2048_g),NULL);
-  if ((dh->p == NULL) || (dh->g == NULL))
-  { DH_free(dh); return(NULL); }
-  return(dh);
+    static unsigned char dhp_2048[] = {
+        0xA1,0xBB,0x7C,0x20,0xC5,0x5B,0xC0,0x7B,0x21,0x8B,0xD6,0xA8,
+        0x15,0xFC,0x3B,0xBA,0xAB,0x9F,0xDF,0x68,0xC4,0x79,0x78,0x0D,
+        0xC1,0x12,0x64,0xE4,0x15,0xC9,0x66,0xDB,0xF6,0xCB,0xB3,0x39,
+        0x02,0x5B,0x78,0x62,0xFB,0x09,0xAE,0x09,0x6B,0xDD,0xD4,0x5D,
+        0x97,0xBC,0xDC,0x7F,0xE6,0xD6,0xF1,0xCB,0xF5,0xEB,0xDA,0xA7,
+        0x2E,0x5A,0x43,0x2B,0xE9,0x40,0xE2,0x85,0x00,0x1C,0xC0,0x0A,
+        0x98,0x77,0xA9,0x31,0xDE,0x0B,0x75,0x4D,0x1E,0x1F,0x16,0x83,
+        0xCA,0xDE,0xBD,0x21,0xFC,0xC1,0x82,0x37,0x36,0x33,0x0B,0x66,
+        0x06,0x3C,0xF3,0xAF,0x21,0x57,0x57,0x80,0xF6,0x94,0x1B,0xA9,
+        0xD4,0xF6,0x8F,0x18,0x62,0x0E,0xC4,0x22,0xF9,0x5B,0x62,0xCC,
+        0x3F,0x19,0x95,0xCF,0x4B,0x00,0xA6,0x6C,0x0B,0xAF,0x9F,0xD5,
+        0xFA,0x3D,0x6D,0xDA,0x30,0x83,0x07,0x91,0xAC,0x15,0xFF,0x8F,
+        0x59,0x54,0xEA,0x25,0xBC,0x4E,0xEB,0x6A,0x54,0xDF,0x75,0x09,
+        0x72,0x0F,0xEF,0x23,0x70,0xE0,0xA8,0x04,0xEA,0xFF,0x90,0x54,
+        0xCD,0x84,0x18,0xC0,0x75,0x91,0x99,0x0F,0xA1,0x78,0x0C,0x07,
+        0xB7,0xC5,0xDE,0x55,0x06,0x7B,0x95,0x68,0x2C,0x33,0x39,0xBC,
+        0x2C,0xD0,0x6D,0xDD,0xFA,0xDC,0xB5,0x8F,0x82,0x39,0xF8,0x67,
+        0x44,0xF1,0xD8,0xF7,0x78,0x11,0x9A,0x77,0x9B,0x53,0x47,0xD6,
+        0x2B,0x5D,0x67,0xB8,0xB7,0xBC,0xC1,0xD7,0x79,0x62,0x15,0xC2,
+        0xC5,0x83,0x97,0xA7,0xF8,0xB4,0x9C,0xF6,0x8F,0x9A,0xC7,0xDA,
+        0x1B,0xBB,0x87,0x07,0xA7,0x71,0xAD,0xB2,0x8A,0x50,0xF8,0x26,
+        0x12,0xB7,0x3E,0x0B,
+    };
+    static unsigned char dhg_2048[] = {
+        0x02
+    };
+    DH *dh = DH_new();
+    BIGNUM *dhp_bn, *dhg_bn;
+
+    if (dh == NULL)
+        return NULL;
+    dhp_bn = BN_bin2bn(dhp_2048, sizeof (dhp_2048), NULL);
+    dhg_bn = BN_bin2bn(dhg_2048, sizeof (dhg_2048), NULL);
+    if (dhp_bn == NULL || dhg_bn == NULL
+            || !DH_set0_pqg(dh, dhp_bn, NULL, dhg_bn)) {
+        DH_free(dh);
+        BN_free(dhp_bn);
+        BN_free(dhg_bn);
+        return NULL;
+    }
+    return dh;
 }
 
-
 static const char*
-ssl_error_string[] = 
+ssl_error_string[] =
 {
   "No error",
   "Unable to get certificate",
@@ -148,9 +156,7 @@ static void check_ssl_init()
   if (!ssl_algorithms_added)
   {
     ssl_algorithms_added= TRUE;
-    SSL_library_init();
-    OpenSSL_add_all_algorithms();
-
+    OPENSSL_init_ssl(0, NULL);
   }
 
   if (!ssl_error_strings_loaded)