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83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
/*****************************************************************************
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* Author: Valient Gough <vgough@pobox.com>
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*
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*****************************************************************************
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* Copyright (c) 2004, Valient Gough
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
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* for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "NullNameIO.h"
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#include <cstring>
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#include <memory>
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#include "CipherKey.h"
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#include "Error.h"
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#include "NameIO.h"
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namespace encfs {
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class Cipher;
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static std::shared_ptr<NameIO> NewNNIO(const Interface &,
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const std::shared_ptr<Cipher> &,
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const CipherKey &) {
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return std::shared_ptr<NameIO>(new NullNameIO());
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}
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static Interface NNIOIface("nameio/null", 1, 0, 0);
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static bool NullNameIO_registered =
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NameIO::Register("Null", "No encryption of filenames", NNIOIface, NewNNIO);
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NullNameIO::NullNameIO() = default;
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NullNameIO::~NullNameIO() = default;
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Interface NullNameIO::interface() const { return NNIOIface; }
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Interface NullNameIO::CurrentInterface() { return NNIOIface; }
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int NullNameIO::maxEncodedNameLen(int plaintextNameLen) const {
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return plaintextNameLen;
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}
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int NullNameIO::maxDecodedNameLen(int encodedNameLen) const {
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return encodedNameLen;
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}
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int NullNameIO::encodeName(const char *plaintextName, int length, uint64_t *iv,
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char *encodedName, int bufferLength) const {
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(void)iv;
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rAssert(length <= bufferLength);
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memcpy(encodedName, plaintextName, length);
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return length;
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}
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int NullNameIO::decodeName(const char *encodedName, int length, uint64_t *iv,
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char *plaintextName, int bufferLength) const {
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(void)iv;
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rAssert(length <= bufferLength);
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memcpy(plaintextName, encodedName, length);
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return length;
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}
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bool NullNameIO::Enabled() { return true; }
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} // namespace encfs
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