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/* Copyright 2013 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mongo/client/auth_helpers.h"
#include "mongo/db/auth/authorization_manager.h"
namespace mongo {
namespace auth {
const std::string schemaVersionServerParameter = "authSchemaVersion";
Status getRemoteStoredAuthorizationVersion(DBClientBase* conn, int* outVersion) {
try {
BSONObj cmdResult;
conn->runCommand(
"admin",
BSON("getParameter" << 1 << schemaVersionServerParameter << 1),
cmdResult);
if (!cmdResult["ok"].trueValue()) {
std::string errmsg = cmdResult["errmsg"].str();
if (errmsg == "no option found to get" ||
StringData(errmsg).startsWith("no such cmd")) {
*outVersion = 1;
return Status::OK();
}
int code = cmdResult["code"].numberInt();
if (code == 0) {
code = ErrorCodes::UnknownError;
}
return Status(ErrorCodes::Error(code), errmsg);
}
BSONElement versionElement = cmdResult[schemaVersionServerParameter];
if (versionElement.eoo())
return Status(ErrorCodes::UnknownError, "getParameter misbehaved.");
*outVersion = versionElement.numberInt();
return Status::OK();
} catch (const DBException& e) {
return e.toStatus();
}
}
} // namespace auth
} // namespace mongo
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