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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/platform/basic.h"
#include <iterator>
#include "mongo/base/data_range_cursor.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/server_options.h"
#include "mongo/rpc/object_check.h"
#include "mongo/unittest/death_test.h"
#include "mongo/unittest/unittest.h"
#include "mongo/util/scopeguard.h"
namespace {
using namespace mongo;
using std::begin;
using std::end;
using std::swap;
TEST(DataTypeValidated, BSONValidationEnabled) {
bool wasEnabled = serverGlobalParams.objcheck;
const auto setValidation = [&](bool enabled) {
serverGlobalParams.objcheck = enabled;
};
ON_BLOCK_EXIT([=] { setValidation(wasEnabled); });
BSONObj valid = BSON("baz"
<< "bar"
<< "garply"
<< BSON("foo"
<< "bar"));
char buf[1024] = {0};
std::copy(valid.objdata(), valid.objdata() + valid.objsize(), begin(buf));
{
Validated<BSONObj> v;
ConstDataRangeCursor cdrc(begin(buf), end(buf));
ASSERT_OK(cdrc.readAndAdvanceNoThrow(&v));
}
{
// mess up the data
DataRangeCursor drc(begin(buf), end(buf));
// skip past size so we don't trip any sanity checks.
drc.advanceNoThrow(4).transitional_ignore(); // skip size
while (drc.writeAndAdvanceNoThrow(0xFF).isOK())
;
}
{
Validated<BSONObj> v;
ConstDataRangeCursor cdrc(begin(buf), end(buf));
ASSERT_NOT_OK(cdrc.readAndAdvanceNoThrow(&v));
}
{
// disable validation
setValidation(false);
Validated<BSONObj> v;
ConstDataRangeCursor cdrc(begin(buf), end(buf));
ASSERT_OK(cdrc.readAndAdvanceNoThrow(&v));
}
}
DEATH_TEST(ObjectCheck, BSONValidationEnabledWithCrashOnError, "50761") {
bool objcheckValue = serverGlobalParams.objcheck;
serverGlobalParams.objcheck = true;
ON_BLOCK_EXIT([=] { serverGlobalParams.objcheck = objcheckValue; });
bool crashOnErrorValue = serverGlobalParams.crashOnInvalidBSONError;
serverGlobalParams.crashOnInvalidBSONError = true;
ON_BLOCK_EXIT([&] { serverGlobalParams.crashOnInvalidBSONError = crashOnErrorValue; });
BSONObj valid = BSON("baz"
<< "bar"
<< "garply"
<< BSON("foo"
<< "bar"));
char buf[1024] = {0};
std::copy(valid.objdata(), valid.objdata() + valid.objsize(), begin(buf));
{
// mess up the data
DataRangeCursor drc(begin(buf), end(buf));
// skip past size so we don't trip any sanity checks.
drc.advanceNoThrow(4).transitional_ignore(); // skip size
while (drc.writeAndAdvanceNoThrow(0xFF).isOK())
;
}
{
Validated<BSONObj> v;
ConstDataRangeCursor cdrc(begin(buf), end(buf));
// Crashes because of invalid BSON
cdrc.readAndAdvanceNoThrow(&v).ignore();
}
}
} // namespace
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