Adding upstream version 1.8.3.upstream/1.8.3

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/dnsdist-proxy-protocol.hh b/dnsdist-proxy-protocol.hh
new file mode 100644
index 0000000..de7674a
--- /dev/null
+++ b/dnsdist-proxy-protocol.hh
@@ -0,0 +1,38 @@
+/*
+ * 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);