1 files changed, 144 insertions, 0 deletions
diff --git a/Sockets/SSLInitializer.cpp b/Sockets/SSLInitializer.cpp
new file mode 100644
index 0000000..65218b1
--- /dev/null
+++ b/Sockets/SSLInitializer.cpp
@@ -0,0 +1,144 @@
+/**
+ **	\file SSLInitializer.cpp
+ **	\date  2007-04-30
+ **	\author grymse@alhem.net
+**/
+/*
+Copyright (C) 2007  Anders Hedstrom
+
+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 2
+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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+#ifdef _WIN32
+#ifdef _MSC_VER
+#pragma warning(disable:4786)
+#endif
+#include <io.h>
+#endif
+#include "SSLInitializer.h"
+#ifdef HAVE_OPENSSL
+#include <map>
+#include "Utility.h"
+#include <openssl/rand.h>
+#include "Mutex.h"
+
+#ifdef _DEBUG
+#define DEB(x) x
+#else
+#define DEB(x)
+#endif
+
+
+#ifdef SOCKETS_NAMESPACE
+namespace SOCKETS_NAMESPACE {
+#endif
+
+
+
+SSLInitializer::SSLInitializer()
+{
+DEB(	fprintf(stderr, "SSLInitializer()\n");)
+
+	bio_err = NULL;
+	m_rand_size = 1024;
+
+	/* An error write context */
+	bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
+
+	/* Global system initialization*/
+	SSL_library_init();
+	SSL_load_error_strings();
+	OpenSSL_add_all_algorithms();
+	CRYPTO_set_locking_callback( SSL_locking_function );
+	CRYPTO_set_id_callback( SSL_id_function );
+
+	char *randfile = getenv("RANDFILE");
+	char *home = getenv("HOME");
+	if (!randfile && !home)
+	{
+		char *homepath = getenv("HOMEPATH");
+		if (homepath)
+		{
+			Utility::SetEnv("HOME", homepath);
+		}
+	}
+	char path[512];
+	*path = 0;
+	RAND_file_name(path, 512);
+	if (*path)
+	{
+		m_rand_file = path;
+		m_rand_size = 1024;
+		RAND_write_file(path);
+	}
+	else
+	{
+DEB(		fprintf(stderr, "SSLInitializer: no random file generated\n");)
+	}
+
+	/* Load randomness */
+	if (!m_rand_file.size() || !RAND_load_file(m_rand_file.c_str(), m_rand_size))
+	{
+DEB(		fprintf(stderr, "SSLInitializer: PRNG not initialized\n");)
+	}
+
+}
+
+
+SSLInitializer::~SSLInitializer()
+{
+DEB(	fprintf(stderr, "~SSLInitializer()\n");)
+	DeleteRandFile();
+	// %! delete mutexes
+}
+
+
+void SSLInitializer::DeleteRandFile()
+{
+	if (m_rand_file.size())
+	{
+		unlink(m_rand_file.c_str());
+	}
+}
+
+
+void SSLInitializer::SSL_locking_function(int mode, int n, const char *file, int line)
+{
+static	std::map<int, Mutex *> mmap;
+	if (mmap.find(n) == mmap.end())
+	{
+		mmap[n] = new Mutex;
+	}
+	if (mode & CRYPTO_LOCK)
+	{
+		mmap[n] -> Lock();
+	}
+	else
+	{
+		mmap[n] -> Unlock();
+	}
+}
+
+
+unsigned long SSLInitializer::SSL_id_function()
+{
+	return Utility::ThreadID();
+}
+
+
+#ifdef SOCKETS_NAMESPACE
+} // namespace SOCKETS_NAMESPACE {
+#endif
+#endif // HAVE_OPENSSL
+