WL#2286 Compile MySQL w/YASSL support

yaSSL-0.9.7 library bundled.


BUILD/Makefile.am:
  compile-pentium-debug-yassl added to distribution.
Makefile.am:
  Added yassl_dir to SUBDIRS. It contains path to yassl distribution if --with-yassl
  specified. It is empty otherwise.
configure.in:
  yaSSL CHECK-function call.
extra/Makefile.am:
  yaSSL added to distribution.
include/violite.h:
  YASSL_MYSQL_COMPATIBLE macro must be defined to make yassl headers compatible.

extra/yassl/taocrypt/include/coding.hpp

@@ -0,0 +1,94 @@
+/* coding.hpp                                
+ *
+ * Copyright (C) 2003 Sawtooth Consulting Ltd.
+ *
+ * This file is part of yaSSL.
+ *
+ * yaSSL 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * yaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+/* coding.hpp defines hex and base64 encoding/decoing
+*/
+
+#ifndef TAO_CRYPT_CODING_HPP
+#define TAO_CRYPT_CODING_HPP
+
+#include "misc.hpp"
+#include "block.hpp"
+
+namespace TaoCrypt {
+
+class Source;
+
+
+// Hex Encoding, see RFC 3548
+class HexEncoder {
+    ByteBlock encoded_;
+    Source&     plain_;
+public:
+    explicit HexEncoder(Source& s) : plain_(s) { Encode(); }
+private:
+    void Encode();
+
+    HexEncoder(const HexEncoder&);              // hide copy
+    HexEncoder& operator=(const HexEncoder&);   // and assign
+};
+
+
+// Hex Decoding, see RFC 3548
+class HexDecoder {
+    ByteBlock decoded_;
+    Source&     coded_;
+public:
+    explicit HexDecoder(Source& s) : coded_(s) { Decode(); }
+private:
+    void Decode();
+
+    HexDecoder(const HexDecoder&);              // hide copy
+    HexDecoder& operator=(const HexDecoder&);   // and assign
+};
+
+
+// Base 64 encoding, see RFC 3548
+class Base64Encoder {
+    ByteBlock encoded_;
+    Source&     plain_;
+public:
+    explicit Base64Encoder(Source& s) : plain_(s) { Encode(); }
+private:
+    void Encode();
+
+    Base64Encoder(const Base64Encoder&);              // hide copy
+    Base64Encoder& operator=(const Base64Encoder&);   // and assign
+};
+
+
+// Base 64 decoding, see RFC 3548
+class Base64Decoder {
+    ByteBlock decoded_;
+    Source&     coded_;
+public:
+    explicit Base64Decoder(Source& s) : coded_(s) { Decode(); }
+private:
+    void Decode();
+
+    Base64Decoder(const Base64Decoder&);              // hide copy
+    Base64Decoder& operator=(const Base64Decoder&);   // and assign
+};
+
+
+}  // namespace
+
+#endif // TAO_CRYPT_CODING_HPP