/* * 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 . * * -- * * 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_WINDOWSETHERNETTAP_HPP #define ZT_WINDOWSETHERNETTAP_HPP #include #include #include #include #include #include #include "../node/Constants.hpp" #include "../node/Mutex.hpp" #include "../node/Array.hpp" #include "../node/MulticastGroup.hpp" #include "../osdep/Thread.hpp" namespace ZeroTier { class WindowsEthernetTap { public: WindowsEthernetTap( const char *hp, const MAC &mac, unsigned int mtu, unsigned int metric, uint64_t nwid, const char *friendlyName, void (*handler)(void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int), void *arg); ~WindowsEthernetTap(); void setEnabled(bool en); bool enabled() const; bool addIp(const InetAddress &ip); bool removeIp(const InetAddress &ip); std::vector ips() const; void put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len); std::string deviceName() const; void setFriendlyName(const char *friendlyName); void scanMulticastGroups(std::vector &added,std::vector &removed); inline const NET_LUID &luid() const { return _deviceLuid; } inline const GUID &guid() const { return _deviceGuid; } inline const std::string &instanceId() const { return _deviceInstanceId; } void threadMain() throw(); static void destroyAllPersistentTapDevices(const char *pathToHelpers); static void deletePersistentTapDevice(const char *pathToHelpers,const char *instanceId); private: bool _disableTapDevice(); bool _enableTapDevice(); NET_IFINDEX _getDeviceIndex(); // throws on failure std::vector _getRegistryIPv4Value(const char *regKey); void _setRegistryIPv4Value(const char *regKey,const std::vector &value); void (*_handler)(void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int); void *_arg; MAC _mac; uint64_t _nwid; Thread _thread; volatile HANDLE _tap; HANDLE _injectSemaphore; GUID _deviceGuid; NET_LUID _deviceLuid; std::string _netCfgInstanceId; // NetCfgInstanceId, a GUID std::string _deviceInstanceId; // DeviceInstanceID, another kind of "instance ID" std::vector _multicastGroups; std::queue< std::pair< Array,unsigned int > > _injectPending; Mutex _injectPending_m; std::string _pathToHelpers; volatile bool _run; volatile bool _initialized; volatile bool _enabled; }; } // namespace ZeroTier #endif