From 0915b3ef56dfac3113cce55a59a5765dc94976be Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 14:34:54 +0200
Subject: Adding upstream version 2.13.6.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 lib/base/tlsstream.hpp | 129 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 lib/base/tlsstream.hpp

(limited to 'lib/base/tlsstream.hpp')

diff --git a/lib/base/tlsstream.hpp b/lib/base/tlsstream.hpp
new file mode 100644
index 0000000..f6e5209
--- /dev/null
+++ b/lib/base/tlsstream.hpp
@@ -0,0 +1,129 @@
+/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
+
+#ifndef TLSSTREAM_H
+#define TLSSTREAM_H
+
+#include "base/i2-base.hpp"
+#include "base/shared.hpp"
+#include "base/socket.hpp"
+#include "base/stream.hpp"
+#include "base/tlsutility.hpp"
+#include "base/fifo.hpp"
+#include "base/utility.hpp"
+#include <atomic>
+#include <memory>
+#include <utility>
+#include <boost/asio/buffered_stream.hpp>
+#include <boost/asio/io_context.hpp>
+#include <boost/asio/ip/tcp.hpp>
+#include <boost/asio/spawn.hpp>
+#include <boost/asio/ssl/context.hpp>
+#include <boost/asio/ssl/stream.hpp>
+
+namespace icinga
+{
+
+template<class ARS>
+class SeenStream : public ARS
+{
+public:
+	template<class... Args>
+	SeenStream(Args&&... args) : ARS(std::forward<Args>(args)...)
+	{
+		m_Seen.store(nullptr);
+	}
+
+	template<class... Args>
+	auto async_read_some(Args&&... args) -> decltype(((ARS*)nullptr)->async_read_some(std::forward<Args>(args)...))
+	{
+		{
+			auto seen (m_Seen.load());
+
+			if (seen) {
+				*seen = Utility::GetTime();
+			}
+		}
+
+		return ((ARS*)this)->async_read_some(std::forward<Args>(args)...);
+	}
+
+	inline void SetSeen(double* seen)
+	{
+		m_Seen.store(seen);
+	}
+
+private:
+	std::atomic<double*> m_Seen;
+};
+
+struct UnbufferedAsioTlsStreamParams
+{
+	boost::asio::io_context& IoContext;
+	boost::asio::ssl::context& SslContext;
+	const String& Hostname;
+};
+
+typedef SeenStream<boost::asio::ssl::stream<boost::asio::ip::tcp::socket>> AsioTcpTlsStream;
+
+class UnbufferedAsioTlsStream : public AsioTcpTlsStream
+{
+public:
+	inline
+	UnbufferedAsioTlsStream(UnbufferedAsioTlsStreamParams& init)
+		: AsioTcpTlsStream(init.IoContext, init.SslContext), m_VerifyOK(true), m_Hostname(init.Hostname)
+	{
+	}
+
+	bool IsVerifyOK() const;
+	String GetVerifyError() const;
+	std::shared_ptr<X509> GetPeerCertificate();
+
+	template<class... Args>
+	inline
+	auto async_handshake(handshake_type type, Args&&... args) -> decltype(((AsioTcpTlsStream*)nullptr)->async_handshake(type, std::forward<Args>(args)...))
+	{
+		BeforeHandshake(type);
+
+		return AsioTcpTlsStream::async_handshake(type, std::forward<Args>(args)...);
+	}
+
+	template<class... Args>
+	inline
+	auto handshake(handshake_type type, Args&&... args) -> decltype(((AsioTcpTlsStream*)nullptr)->handshake(type, std::forward<Args>(args)...))
+	{
+		BeforeHandshake(type);
+
+		return AsioTcpTlsStream::handshake(type, std::forward<Args>(args)...);
+	}
+
+private:
+	bool m_VerifyOK;
+	String m_VerifyError;
+	String m_Hostname;
+
+	void BeforeHandshake(handshake_type type);
+};
+
+class AsioTlsStream : public boost::asio::buffered_stream<UnbufferedAsioTlsStream>
+{
+public:
+	inline
+	AsioTlsStream(boost::asio::io_context& ioContext, boost::asio::ssl::context& sslContext, const String& hostname = String())
+		: AsioTlsStream(UnbufferedAsioTlsStreamParams{ioContext, sslContext, hostname})
+	{
+	}
+
+private:
+	inline
+	AsioTlsStream(UnbufferedAsioTlsStreamParams init)
+		: buffered_stream(init)
+	{
+	}
+};
+
+typedef boost::asio::buffered_stream<boost::asio::ip::tcp::socket> AsioTcpStream;
+typedef std::pair<Shared<AsioTlsStream>::Ptr, Shared<AsioTcpStream>::Ptr> OptionalTlsStream;
+
+}
+
+#endif /* TLSSTREAM_H */
-- 
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