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/**
* Copyright (C) 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/db/commands/copydb.h"
#include <string>
#include <vector>
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/catalog/document_validation.h"
#include "mongo/db/client_basic.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/namespace_string.h"
namespace mongo {
namespace copydb {
Status checkAuthForCopydbCommand(ClientBasic* client,
const std::string& dbname,
const BSONObj& cmdObj) {
bool fromSelf = StringData(cmdObj.getStringField("fromhost")).empty();
StringData fromdb = cmdObj.getStringField("fromdb");
StringData todb = cmdObj.getStringField("todb");
// get system collections
std::vector<std::string> legalClientSystemCollections;
legalClientSystemCollections.push_back("system.js");
if (fromdb == "admin") {
legalClientSystemCollections.push_back("system.users");
legalClientSystemCollections.push_back("system.roles");
legalClientSystemCollections.push_back("system.version");
} else if (fromdb == "local") { // TODO(spencer): shouldn't be possible. See SERVER-11383
legalClientSystemCollections.push_back("system.replset");
}
// Check authorization on destination db
ActionSet actions;
actions.addAction(ActionType::insert);
actions.addAction(ActionType::createIndex);
if (shouldBypassDocumentValidationForCommand(cmdObj)) {
actions.addAction(ActionType::bypassDocumentValidation);
}
if (!AuthorizationSession::get(client)->isAuthorizedForActionsOnResource(
ResourcePattern::forDatabaseName(todb), actions)) {
return Status(ErrorCodes::Unauthorized, "Unauthorized");
}
actions.removeAllActions();
actions.addAction(ActionType::insert);
for (size_t i = 0; i < legalClientSystemCollections.size(); ++i) {
if (!AuthorizationSession::get(client)->isAuthorizedForActionsOnNamespace(
NamespaceString(todb, legalClientSystemCollections[i]), actions)) {
return Status(ErrorCodes::Unauthorized, "Unauthorized");
}
}
if (fromSelf) {
// If copying from self, also require privileges on source db
actions.removeAllActions();
actions.addAction(ActionType::find);
if (!AuthorizationSession::get(client)->isAuthorizedForActionsOnResource(
ResourcePattern::forDatabaseName(fromdb), actions)) {
return Status(ErrorCodes::Unauthorized, "Unauthorized");
}
for (size_t i = 0; i < legalClientSystemCollections.size(); ++i) {
if (!AuthorizationSession::get(client)->isAuthorizedForActionsOnNamespace(
NamespaceString(fromdb, legalClientSystemCollections[i]), actions)) {
return Status(ErrorCodes::Unauthorized, "Unauthorized");
}
}
}
return Status::OK();
}
} // namespace copydb
} // namespace mongo
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