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diff --git a/attic/OSXEthernetTapFactory.hpp b/attic/OSXEthernetTapFactory.hpp
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+++ b/attic/OSXEthernetTapFactory.hpp
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+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2015  ZeroTier, Inc.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ * --
+ *
+ * ZeroTier may be used and distributed under the terms of the GPLv3, which
+ * are available at: http://www.gnu.org/licenses/gpl-3.0.html
+ *
+ * If you would like to embed ZeroTier into a commercial application or
+ * redistribute it in a modified binary form, please contact ZeroTier Networks
+ * LLC. Start here: http://www.zerotier.com/
+ */
+
+#ifndef ZT_OSXETHERNETTAPFACTORY_HPP
+#define ZT_OSXETHERNETTAPFACTORY_HPP
+
+#include <vector>
+#include <string>
+
+#include "../node/EthernetTapFactory.hpp"
+#include "../node/Mutex.hpp"
+
+namespace ZeroTier {
+
+class OSXEthernetTapFactory : public EthernetTapFactory
+{
+public:
+	/**
+	 * Create OSX ethernet tap factory
+	 *
+	 * If kext paths are specified, an attempt will be made to load the kext
+	 * on launch if not present and unload it on shutdown.
+	 *
+	 * @param pathToTapKext Full path to the location of the tap kext
+	 * @param tapKextName Name of tap kext as found within tap kext path (usually "tap.kext")
+	 * @throws std::runtime_error Tap not available and unable to load kext
+	 */
+	OSXEthernetTapFactory(const char *pathToTapKext,const char *tapKextName);
+
+	virtual ~OSXEthernetTapFactory();
+
+	virtual EthernetTap *open(
+		const MAC &mac,
+		unsigned int mtu,
+		unsigned int metric,
+		uint64_t nwid,
+		const char *desiredDevice,
+		const char *friendlyName,
+		void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
+		void *arg);
+	virtual void close(EthernetTap *tap,bool destroyPersistentDevices);
+
+private:
+	std::vector<EthernetTap *> _devices;
+	Mutex _devices_m;
+	std::string _pathToTapKext;
+	std::string _tapKextName;
+};
+
+} // namespace ZeroTier
+
+#endif