--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/3rdparty/vmime/src/vmime/net/tls/openssl/TLSSocket_OpenSSL.hpp	Tue Aug 17 11:19:54 2021 +0200
@@ -0,0 +1,138 @@
+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002-2013 Vincent Richard <vincent@vmime.org>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 3 of
+// the License, or (at your option) any later version.
+//
+// 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.
+//
+// Linking this library statically or dynamically with other modules is making
+// a combined work based on this library.  Thus, the terms and conditions of
+// the GNU General Public License cover the whole combination.
+//
+
+#ifndef VMIME_NET_TLS_TLSSOCKET_OPENSSL_HPP_INCLUDED
+#define VMIME_NET_TLS_TLSSOCKET_OPENSSL_HPP_INCLUDED
+
+
+#ifndef VMIME_BUILDING_DOC
+
+
+#include "vmime/config.hpp"
+
+
+#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_TLS_SUPPORT && VMIME_TLS_SUPPORT_LIB_IS_OPENSSL
+
+
+#include "vmime/net/tls/TLSSocket.hpp"
+
+#include <memory>
+
+#include <openssl/ssl.h>
+
+
+namespace vmime {
+namespace net {
+namespace tls {
+
+
+class TLSSession;
+class TLSSession_OpenSSL;
+
+
+class TLSSocket_OpenSSL : public TLSSocket
+{
+public:
+
+	TLSSocket_OpenSSL(shared_ptr <TLSSession_OpenSSL> session, shared_ptr <socket> sok);
+	~TLSSocket_OpenSSL();
+
+
+	void handshake();
+
+	shared_ptr <security::cert::certificateChain> getPeerCertificates();
+
+	// Implementation of 'socket'
+	void connect(const string& address, const port_t port);
+	void disconnect();
+	bool isConnected() const;
+
+	bool waitForRead(const int msecs = 30000);
+	bool waitForWrite(const int msecs = 30000);
+
+	void receive(string& buffer);
+	size_t receiveRaw(byte_t* buffer, const size_t count);
+
+	void send(const string& buffer);
+	void send(const char* str);
+	void sendRaw(const byte_t* buffer, const size_t count);
+	size_t sendRawNonBlocking(const byte_t* buffer, const size_t count);
+
+	size_t getBlockSize() const;
+
+	unsigned int getStatus() const;
+
+	const string getPeerName() const;
+	const string getPeerAddress() const;
+
+	shared_ptr <timeoutHandler> getTimeoutHandler();
+
+	void setTracer(shared_ptr <net::tracer> tracer);
+	shared_ptr <net::tracer> getTracer();
+
+private:
+
+	static BIO_METHOD sm_customBIOMethod;
+
+	static int bio_write(BIO* bio, const char* buf, int len);
+	static int bio_read(BIO* bio, char* buf, int len);
+	static int bio_puts(BIO* bio, const char* str);
+	static int bio_gets(BIO* bio, char* buf, int len);
+	static long bio_ctrl(BIO* bio, int cmd, long num, void* ptr);
+	static int bio_create(BIO* bio);
+	static int bio_destroy(BIO* bio);
+
+	void createSSLHandle();
+
+	void internalThrow();
+	void handleError(int rc);
+
+
+	shared_ptr <TLSSession_OpenSSL> m_session;
+
+	shared_ptr <socket> m_wrapped;
+
+	bool m_connected;
+
+	byte_t m_buffer[65536];
+
+	SSL* m_ssl;
+
+	unsigned long m_status;
+
+	// Last exception thrown from C BIO functions
+	std::auto_ptr <exception> m_ex;
+};
+
+
+} // tls
+} // net
+} // vmime
+
+
+#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_TLS_SUPPORT && VMIME_TLS_SUPPORT_LIB_IS_OPENSSL
+
+#endif // VMIME_BUILDING_DOC
+
+#endif // VMIME_NET_TLS_TLSSOCKET_OPENSSL_HPP_INCLUDED
+