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/* Copyright 2013 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* 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 GNU Affero General 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/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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