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/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/client/sasl_client_session.h"
#include "mongo/base/init.h"
#include "mongo/util/allocator.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/concurrency/mutex.h"
#include "mongo/util/mongoutils/str.h"
#include "mongo/util/signal_handlers_synchronous.h"
namespace mongo {
SaslClientSession::SaslClientSessionFactoryFn SaslClientSession::create;
SaslClientSession::SaslClientSession() {}
SaslClientSession::~SaslClientSession() {}
void SaslClientSession::setParameter(Parameter id, StringData value) {
fassert(16807, id >= 0 && id < numParameters);
fassert(28583, value.size() < std::numeric_limits<std::size_t>::max());
DataBuffer& buffer = _parameters[id];
buffer.size = value.size();
buffer.data.reset(new char[buffer.size + 1]);
// Note that we append a terminal NUL to buffer.data, so it may be treated as a C-style
// string. This is required for parameterServiceName, parameterServiceHostname,
// parameterMechanism and parameterUser.
value.copyTo(buffer.data.get(), true);
}
bool SaslClientSession::hasParameter(Parameter id) {
// The Parameter enum may be unsigned depending on compiler,
// force it into a signed value for the purpose of bounds checking.
const auto sid = static_cast<std::make_signed<Parameter>::type>(id);
if (sid < 0 || id >= numParameters)
return false;
return static_cast<bool>(_parameters[id].data);
}
StringData SaslClientSession::getParameter(Parameter id) {
if (!hasParameter(id))
return StringData();
DataBuffer& buffer = _parameters[id];
return StringData(buffer.data.get(), buffer.size);
}
} // namespace mongo
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