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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 "mongo/base/init.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/client.h"
#include "mongo/db/commands.h"
#include "mongo/db/jsobj.h"
#include "mongo/db/kill_sessions.h"
#include "mongo/db/kill_sessions_common.h"
#include "mongo/db/kill_sessions_local.h"
#include "mongo/db/logical_session_cache.h"
#include "mongo/db/logical_session_id.h"
#include "mongo/db/logical_session_id_helpers.h"
#include "mongo/db/operation_context.h"
#include "mongo/db/stats/top.h"
namespace mongo {
class KillAllSessionsByPatternCommand final : public BasicCommand {
KillAllSessionsByPatternCommand(const KillAllSessionsByPatternCommand&) = delete;
KillAllSessionsByPatternCommand& operator=(const KillAllSessionsByPatternCommand&) = delete;
public:
KillAllSessionsByPatternCommand() : BasicCommand("killAllSessionsByPattern") {}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const override {
return AllowedOnSecondary::kAlways;
}
bool adminOnly() const override {
return false;
}
bool supportsWriteConcern(const BSONObj& cmd) const override {
return false;
}
std::string help() const override {
return "kill logical sessions by pattern";
}
Status checkAuthForOperation(OperationContext* opCtx,
const std::string& dbname,
const BSONObj& cmdObj) const override {
AuthorizationSession* authSession = AuthorizationSession::get(opCtx->getClient());
if (!authSession->isAuthorizedForPrivilege(
Privilege{ResourcePattern::forClusterResource(), ActionType::killAnySession})) {
return Status(ErrorCodes::Unauthorized, "Unauthorized");
}
return Status::OK();
}
/**
* Should ignore the lsid attached to this command in order to prevent it from killing itself.
*/
bool attachLogicalSessionsToOpCtx() const override {
return false;
}
virtual bool run(OperationContext* opCtx,
const std::string& db,
const BSONObj& cmdObj,
BSONObjBuilder& result) override {
IDLParserErrorContext ctx("KillAllSessionsByPatternCmd");
auto ksc = KillAllSessionsByPatternCmd::parse(ctx, cmdObj);
// The empty command kills all
if (ksc.getKillAllSessionsByPattern().empty()) {
ksc.setKillAllSessionsByPattern({makeKillAllSessionsByPattern(opCtx)});
} else {
// If a pattern is passed, you may only pass impersonate data if you have the
// impersonate privilege.
auto authSession = AuthorizationSession::get(opCtx->getClient());
if (!authSession->isAuthorizedForPrivilege(
Privilege(ResourcePattern::forClusterResource(), ActionType::impersonate))) {
for (const auto& pattern : ksc.getKillAllSessionsByPattern()) {
if (pattern.getUsers() || pattern.getRoles()) {
uasserted(ErrorCodes::Unauthorized,
"Not authorized to impersonate in killAllSessionsByPattern");
}
}
}
}
KillAllSessionsByPatternSet patterns{ksc.getKillAllSessionsByPattern().begin(),
ksc.getKillAllSessionsByPattern().end()};
uassertStatusOK(killSessionsCmdHelper(opCtx, result, patterns));
return true;
}
} killAllSessionsByPatternCommand;
} // namespace mongo
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