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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.
*/
#pragma once
#include <memory>
#include "mongo/db/client.h"
#include "mongo/transport/session.h"
#include "mongo/util/net/sockaddr.h"
namespace mongo {
// A RestrictionEnvironment stores all information about an incoming client which could be used to
// verify whether it should be able to authenticate as a user, or be granted a role.
// It must be constructed and attached to a Client object while a server is accepting a connection.
// Clients created by internal server operations may not have a RestrictionEnvironment. Clients
// which attempt to perform authentication or authorization must have a RestrictionEnvironment.
class RestrictionEnvironment {
public:
RestrictionEnvironment(SockAddr clientSource, SockAddr serverAddress)
: clientSource(std::move(clientSource)), serverAddress(std::move(serverAddress)) {}
// Retrieve a RestrictionEnvironment from a Client.
static const RestrictionEnvironment& get(const Client& client);
static void get(Client&&) = delete;
// Set a RestrictionEnvironment on a transport Session
static void set(const transport::SessionHandle& session,
std::unique_ptr<RestrictionEnvironment> environment);
// Returns the source address of the client.
// This value is useful for filering clients by their address, or network block. Note that
// clients on some networks can spoof this address.
const SockAddr& getClientSource() const& {
return clientSource;
}
void getClientSource() && = delete;
// Returns the listening address which the server accepted a client on.
// A server may be bound to multiple network interfaces, each with their own IP address.
const SockAddr& getServerAddress() const& {
return serverAddress;
}
void getServerAddress() && = delete;
private:
SockAddr clientSource;
SockAddr serverAddress;
};
} // namespace mongo
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