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/*
* This file is part of PowerDNS or dnsdist.
* Copyright -- PowerDNS.COM B.V. and its contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* In addition, for the avoidance of any doubt, permission is granted to
* link this program with OpenSSL and to (re)distribute the binaries
* produced as the result of such linking.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "dnsdist.hh"
extern NetmaskGroup g_proxyProtocolACL;
extern size_t g_proxyProtocolMaximumSize;
extern bool g_applyACLToProxiedClients;
std::string getProxyProtocolPayload(const DNSQuestion& dq);
bool addProxyProtocol(DNSQuestion& dq, size_t* proxyProtocolPayloadSize = nullptr);
bool addProxyProtocol(DNSQuestion& dq, const std::string& payload);
bool addProxyProtocol(PacketBuffer& buffer, const std::string& payload);
bool addProxyProtocol(PacketBuffer& buffer, bool tcp, const ComboAddress& source, const ComboAddress& destination, const std::vector<ProxyProtocolValue>& values);
bool expectProxyProtocolFrom(const ComboAddress& remote);
bool handleProxyProtocol(const ComboAddress& remote, bool isTCP, const NetmaskGroup& acl, PacketBuffer& query, ComboAddress& realRemote, ComboAddress& realDestination, std::vector<ProxyProtocolValue>& values);
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