From 3cd01b932e1c85394272ae64fae67ebeda92fb00 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 23:11:59 +0200 Subject: Adding upstream version 1.8.3. Signed-off-by: Daniel Baumann --- proxy-protocol.hh | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 proxy-protocol.hh (limited to 'proxy-protocol.hh') diff --git a/proxy-protocol.hh b/proxy-protocol.hh new file mode 100644 index 0000000..373a750 --- /dev/null +++ b/proxy-protocol.hh @@ -0,0 +1,51 @@ +/* + * 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 "iputils.hh" + +struct ProxyProtocolValue +{ + std::string content; + uint8_t type; + + bool operator==(const ProxyProtocolValue& rhs) const + { + return type == rhs.type && content == rhs.content; + } +}; + +static const size_t s_proxyProtocolMinimumHeaderSize = 16; + +std::string makeLocalProxyHeader(); +std::string makeProxyHeader(bool tcp, const ComboAddress& source, const ComboAddress& destination, const std::vector& values); + +/* returns: number of bytes consumed (positive) after successful parse + or number of bytes missing (negative) + or unfixable parse error (0)*/ +template ssize_t isProxyHeaderComplete(const Container& header, bool* proxy=nullptr, bool* tcp=nullptr, size_t* addrSizeOut=nullptr, uint8_t* protocolOut=nullptr); + +/* returns: number of bytes consumed (positive) after successful parse + or number of bytes missing (negative) + or unfixable parse error (0)*/ +template ssize_t parseProxyHeader(const Container& header, bool& proxy, ComboAddress& source, ComboAddress& destination, bool& tcp, std::vector& values); -- cgit v1.2.3