encfs/fs/NullNameIO.cpp
Valient Gough 7e95ff90c8 encapsulate old cipher support layer
git-svn-id: http://encfs.googlecode.com/svn/trunk@95 db9cf616-1c43-0410-9cb8-a902689de0d6
2013-03-05 06:36:32 +00:00

89 lines
2.1 KiB
C++

/*****************************************************************************
* Author: Valient Gough <vgough@pobox.com>
*
*****************************************************************************
* Copyright (c) 2004, Valient Gough
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "base/base64.h"
#include "cipher/CipherV1.h"
#include "fs/NullNameIO.h"
#include <cstring>
namespace encfs {
static shared_ptr<NameIO> NewNNIO( const Interface &,
const shared_ptr<CipherV1> & )
{
return shared_ptr<NameIO>( new NullNameIO() );
}
static Interface NNIOIface = makeInterface("nameio/null", 1, 0, 0);
static bool NullNameIO_registered = NameIO::Register("Null",
"No encryption of filenames", NNIOIface, NewNNIO, false);
NullNameIO::NullNameIO( )
{
}
NullNameIO::~NullNameIO()
{
}
Interface NullNameIO::interface() const
{
return NNIOIface;
}
Interface NullNameIO::CurrentInterface()
{
return NNIOIface;
}
int NullNameIO::maxEncodedNameLen( int plaintextNameLen ) const
{
return plaintextNameLen;
}
int NullNameIO::maxDecodedNameLen( int encodedNameLen ) const
{
return encodedNameLen;
}
int NullNameIO::encodeName( const char *plaintextName, int length,
uint64_t *iv, char *encodedName ) const
{
memcpy( encodedName, plaintextName, length );
return length;
}
int NullNameIO::decodeName( const char *encodedName, int length,
uint64_t *iv, char *plaintextName ) const
{
memcpy( plaintextName, encodedName, length );
return length;
}
bool NullNameIO::Enabled()
{
return true;
}
} // namespace encfs