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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.
*/
#include "mongo/bson/timestamp.h"
#include "mongo/db/auth/authorization_manager_impl.h"
#include "mongo/db/auth/authorization_session_for_test.h"
#include "mongo/db/auth/authz_manager_external_state_local.h"
#include "mongo/db/auth/authz_manager_external_state_mock.h"
#include "mongo/db/client.h"
#include "mongo/db/logical_clock.h"
#include "mongo/db/logical_time.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/repl/repl_client_info.h"
#include "mongo/db/repl/replication_coordinator_mock.h"
#include "mongo/db/service_context.h"
#include "mongo/db/service_entry_point_common.h"
#include "mongo/db/service_entry_point_mongod.h"
#include "mongo/platform/basic.h"
#include "mongo/transport/service_entry_point_impl.h"
#include "mongo/transport/session.h"
#include "mongo/transport/transport_layer_mock.h"
#include "mongo/unittest/unittest.h"
extern "C" int LLVMFuzzerTestOneInput(const char* Data, size_t Size) {
static mongo::ServiceContext* serviceContext;
static mongo::ServiceContext::UniqueClient client;
static mongo::transport::TransportLayerMock transportLayer;
static mongo::transport::SessionHandle session;
static std::unique_ptr<mongo::AuthzManagerExternalStateMock> localExternalState;
static mongo::AuthzManagerExternalStateMock* externalState;
static std::unique_ptr<mongo::AuthorizationManagerImpl> localAuthzManager;
static mongo::AuthorizationManagerImpl* authzManager;
static std::unique_ptr<mongo::repl::ReplicationCoordinatorMock> replCoord;
static const mongo::LogicalTime kInMemoryLogicalTime =
mongo::LogicalTime(mongo::Timestamp(3, 1));
static const auto ret = [&]() {
auto ret = mongo::runGlobalInitializers(0, nullptr, nullptr);
invariant(ret.isOK());
setGlobalServiceContext(mongo::ServiceContext::make());
session = transportLayer.createSession();
serviceContext = mongo::getGlobalServiceContext();
serviceContext->setServiceEntryPoint(
std::make_unique<mongo::ServiceEntryPointMongod>(serviceContext));
client = serviceContext->makeClient("test", session);
// opCtx = serviceContext->makeOperationContext(client.get());
localExternalState = std::make_unique<mongo::AuthzManagerExternalStateMock>();
externalState = localExternalState.get();
localAuthzManager = std::make_unique<mongo::AuthorizationManagerImpl>(
std::move(localExternalState),
mongo::AuthorizationManagerImpl::InstallMockForTestingOrAuthImpl{});
authzManager = localAuthzManager.get();
externalState->setAuthorizationManager(authzManager);
authzManager->setAuthEnabled(true);
mongo::AuthorizationManager::set(serviceContext, std::move(localAuthzManager));
replCoord = std::make_unique<mongo::repl::ReplicationCoordinatorMock>(serviceContext);
ASSERT_OK(replCoord->setFollowerMode(mongo::repl::MemberState::RS_PRIMARY));
mongo::repl::ReplicationCoordinator::set(mongo::getGlobalServiceContext(),
std::move(replCoord));
return ret;
}();
if (Size < sizeof(mongo::MSGHEADER::Value)) {
return 0;
}
mongo::ServiceContext::UniqueOperationContext opCtx =
serviceContext->makeOperationContext(client.get());
auto logicalClock = std::make_unique<mongo::LogicalClock>(serviceContext);
logicalClock->setClusterTimeFromTrustedSource(kInMemoryLogicalTime);
mongo::LogicalClock::set(serviceContext, std::move(logicalClock));
int new_size = Size + sizeof(int);
auto sb = mongo::SharedBuffer::allocate(new_size);
memcpy(sb.get(), &new_size, sizeof(int));
memcpy(sb.get() + sizeof(int), Data, Size);
mongo::Message msg(std::move(sb));
try {
serviceContext->getServiceEntryPoint()->handleRequest(opCtx.get(), msg);
} catch (const mongo::AssertionException&) {
// We need to catch exceptions caused by invalid inputs
}
return 0;
}
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