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/**
* Copyright (C) 2019-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.
*/
#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kCommand
#include "mongo/platform/basic.h"
#include "mongo/db/operation_killer.h"
#include "mongo/db/audit.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/client.h"
#include "mongo/db/operation_key_manager.h"
#include "mongo/util/assert_util.h"
#include "mongo/util/log.h"
namespace mongo {
OperationKiller::OperationKiller(Client* myClient) : _myClient(myClient) {
invariant(_myClient);
}
bool OperationKiller::isGenerallyAuthorizedToKill() const {
AuthorizationSession* authzSession = AuthorizationSession::get(_myClient);
if (authzSession->isAuthorizedForActionsOnResource(ResourcePattern::forClusterResource(),
ActionType::killop)) {
return true;
}
return false;
}
bool OperationKiller::isAuthorizedToKill(const LockedClient& target) const {
AuthorizationSession* authzSession = AuthorizationSession::get(_myClient);
if (target && authzSession->isCoauthorizedWithClient(target.client(), target)) {
return true;
}
return false;
}
void OperationKiller::killOperation(OperationId opId) {
auto serviceContext = _myClient->getServiceContext();
auto target = serviceContext->getLockedClient(opId);
if (!target) {
// There is no operation for opId
return;
}
if (!isGenerallyAuthorizedToKill() && !isAuthorizedToKill(target)) {
// The client is not authotized to kill this operation
return;
}
serviceContext->killOperation(target, target->getOperationContext());
log() << "Killed operation: " << opId;
}
void OperationKiller::killOperation(const OperationKey& opKey) {
auto opId = OperationKeyManager::get(_myClient).at(opKey);
if (!opId) {
// There is no operation for opKey
return;
}
killOperation(*opId);
}
} // namespace mongo
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