From bc63892291ecf245dd210e236ab14f12e31baef8 Mon Sep 17 00:00:00 2001
From: Vincent Richard <vincent@vincent-richard.net>
Date: Sat, 3 Nov 2012 09:27:12 +0100
Subject: OpenSSL support (thanks to Mehmet Bozkurt).

---
 src/net/tls/openssl/TLSSession_OpenSSL.cpp | 138 +++++++++++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100755 src/net/tls/openssl/TLSSession_OpenSSL.cpp

(limited to 'src/net/tls/openssl/TLSSession_OpenSSL.cpp')

diff --git a/src/net/tls/openssl/TLSSession_OpenSSL.cpp b/src/net/tls/openssl/TLSSession_OpenSSL.cpp
new file mode 100755
index 00000000..e03c90f6
--- /dev/null
+++ b/src/net/tls/openssl/TLSSession_OpenSSL.cpp
@@ -0,0 +1,138 @@
+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002-2009 Vincent Richard <vincent@vincent-richard.net>
+//
+// 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.
+//
+
+#include "vmime/config.hpp"
+
+
+#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_TLS_SUPPORT && VMIME_TLS_SUPPORT_LIB_IS_OPENSSL
+
+
+#if VMIME_HAVE_PTHREAD
+#	include <pthread.h>
+#	include <gcrypt.h>
+#	include <errno.h>
+#endif // VMIME_HAVE_PTHREAD
+
+#include "vmime/net/tls/openssl/TLSSession_OpenSSL.hpp"
+#include "vmime/net/tls/openssl/OpenSSLInitializer.hpp"
+
+#include "vmime/exception.hpp"
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+
+
+namespace vmime {
+namespace net {
+namespace tls {
+
+
+// Thread-safe OpenSSL initialization
+static OpenSSLInitializer g_openSSLGlobal;
+
+
+// static
+ref <TLSSession> TLSSession::create(ref <security::cert::certificateVerifier> cv)
+{
+	return vmime::create <TLSSession_OpenSSL>(cv);
+}
+
+
+TLSSession_OpenSSL::TLSSession_OpenSSL(ref <vmime::security::cert::certificateVerifier> cv)
+	: m_sslctx(0), m_certVerifier(cv)
+{
+	m_sslctx = SSL_CTX_new(SSLv23_client_method());
+	SSL_CTX_set_options(m_sslctx, SSL_OP_ALL | SSL_OP_NO_SSLv2);
+}
+
+
+TLSSession_OpenSSL::TLSSession_OpenSSL(const TLSSession_OpenSSL&)
+	: TLSSession()
+{
+	// Not used
+}
+
+
+TLSSession_OpenSSL::~TLSSession_OpenSSL()
+{
+	SSL_CTX_free(m_sslctx);
+}
+
+
+ref <TLSSocket> TLSSession_OpenSSL::getSocket(ref <socket> sok)
+{
+	return TLSSocket::wrap(thisRef().dynamicCast <TLSSession>(), sok);
+}
+
+
+ref <security::cert::certificateVerifier> TLSSession_OpenSSL::getCertificateVerifier()
+{
+	return m_certVerifier;
+}
+
+
+void TLSSession_OpenSSL::usePrivateKeyFile(const vmime::string& keyfile)
+{
+	if (SSL_CTX_use_PrivateKey_file(m_sslctx, keyfile.c_str(), SSL_FILETYPE_PEM) != 1)
+	{
+		unsigned long errCode = ERR_get_error();
+		char buffer[256];
+		ERR_error_string_n(errCode, buffer, sizeof(buffer));
+		vmime::string sslErr(buffer);
+		std::ostringstream oss;
+		oss << "Error loading private key from file " << keyfile;
+		oss << " - msg: " << sslErr;
+		throw exceptions::certificate_exception(oss.str());
+	}
+}
+
+
+void TLSSession_OpenSSL::useCertificateChainFile(const vmime::string& chainFile)
+{
+	if (SSL_CTX_use_certificate_chain_file(m_sslctx, chainFile.c_str()) != 1)
+	{
+		unsigned long errCode = ERR_get_error();
+		char buffer[256];
+		ERR_error_string_n(errCode, buffer, sizeof(buffer));
+		vmime::string sslErr(buffer);
+		std::ostringstream oss;
+		oss << "Error loading certificate from file " << chainFile;
+		oss << " - msg: " << sslErr;
+		throw exceptions::certificate_exception(oss.str());
+	}
+}
+
+
+SSL_CTX* TLSSession_OpenSSL::getContext() const
+{
+	return m_sslctx;
+}
+
+
+} // tls
+} // net
+} // vmime
+
+
+#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_TLS_SUPPORT && VMIME_TLS_SUPPORT_LIB_IS_OPENSSL
+
-- 
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