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180 lines
4.6 KiB
180 lines
4.6 KiB
/* |
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* ZeroTier One - Network Virtualization Everywhere |
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* Copyright (C) 2011-2015 ZeroTier, Inc. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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* -- |
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* |
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* ZeroTier may be used and distributed under the terms of the GPLv3, which |
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* are available at: http://www.gnu.org/licenses/gpl-3.0.html |
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* |
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* If you would like to embed ZeroTier into a commercial application or |
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* redistribute it in a modified binary form, please contact ZeroTier Networks |
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* LLC. Start here: http://www.zerotier.com/ |
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*/ |
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#ifdef ZT_ENABLE_NETCON |
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#include <algorithm> |
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#include <utility> |
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#include "NetconEthernetTap.hpp" |
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#include "../node/Utils.hpp" |
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#include "../osdep/OSUtils.hpp" |
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#include "../osdep/Phy.hpp" |
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namespace ZeroTier { |
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NetconEthernetTap::NetconEthernetTap( |
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const char *homePath, |
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const MAC &mac, |
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unsigned int mtu, |
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unsigned int metric, |
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uint64_t nwid, |
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const char *friendlyName, |
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void (*handler)(void *,uint64_t,const MAC &,const MAC &,unsigned int,unsigned int,const void *,unsigned int), |
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void *arg) : |
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_phy(this,false,true), |
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_unixListenSocket((PhySocket *)0), |
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_handler(handler), |
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_arg(arg), |
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_nwid(nwid), |
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_homePath(homePath), |
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_mtu(mtu), |
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_enabled(true), |
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_run(true) |
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{ |
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char sockPath[4096]; |
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Utils::snprintf(sockPath,sizeof(sockPath),"/tmp/.ztnc_%.16llx",(unsigned long long)nwid); |
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_dev = sockPath; |
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_unixListenSocket = _phy.unixListen(sockPath,(void *)this); |
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if (!_unixListenSocket) |
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throw std::runtime_error(std::string("unable to bind to ")+sockPath); |
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_thread = Thread::start(this); |
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} |
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NetconEthernetTap::~NetconEthernetTap() |
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{ |
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_run = false; |
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_phy.whack(); |
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_phy.whack(); |
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Thread::join(_thread); |
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_phy.close(_unixListenSocket,false); |
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} |
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void NetconEthernetTap::setEnabled(bool en) |
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{ |
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_enabled = en; |
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} |
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bool NetconEthernetTap::enabled() const |
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{ |
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return _enabled; |
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} |
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bool NetconEthernetTap::addIp(const InetAddress &ip) |
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{ |
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Mutex::Lock _l(_ips_m); |
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if (std::find(_ips.begin(),_ips.end(),ip) == _ips.end()) { |
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_ips.push_back(ip); |
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std::sort(_ips.begin(),_ips.end()); |
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// TODO: alloc IP in LWIP |
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} |
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} |
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bool NetconEthernetTap::removeIp(const InetAddress &ip) |
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{ |
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Mutex::Lock _l(_ips_m); |
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std::vector<InetAddress>::iterator i(std::find(_ips.begin(),_ips.end(),ip)); |
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if (i == _ips.end()) |
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return false; |
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_ips.erase(i); |
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// TODO: dealloc IP from LWIP |
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return true; |
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} |
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std::vector<InetAddress> NetconEthernetTap::ips() const |
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{ |
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Mutex::Lock _l(_ips_m); |
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return _ips; |
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} |
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void NetconEthernetTap::put(const MAC &from,const MAC &to,unsigned int etherType,const void *data,unsigned int len) |
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{ |
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if (!_enabled) |
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return; |
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} |
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std::string NetconEthernetTap::deviceName() const |
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{ |
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return _dev; |
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} |
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void NetconEthernetTap::setFriendlyName(const char *friendlyName) |
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{ |
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} |
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void NetconEthernetTap::scanMulticastGroups(std::vector<MulticastGroup> &added,std::vector<MulticastGroup> &removed) |
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{ |
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// TODO: get multicast subscriptions from LWIP |
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} |
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void NetconEthernetTap::threadMain() |
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throw() |
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{ |
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while (_run) { |
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unsigned long pollTimeout = 500; |
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// TODO: compute timeout from LWIP stuff |
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_phy.poll(pollTimeout); |
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} |
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// TODO: cleanup -- destroy LWIP state, kill any clients, unload .so, etc. |
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} |
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// Unused -- no UDP or TCP from this thread/Phy<> |
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void NetconEthernetTap::phyOnDatagram(PhySocket *sock,void **uptr,const struct sockaddr *from,void *data,unsigned long len) {} |
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void NetconEthernetTap::phyOnTcpConnect(PhySocket *sock,void **uptr,bool success) {} |
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void NetconEthernetTap::phyOnTcpAccept(PhySocket *sockL,PhySocket *sockN,void **uptrL,void **uptrN,const struct sockaddr *from) {} |
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void NetconEthernetTap::phyOnTcpClose(PhySocket *sock,void **uptr) {} |
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void NetconEthernetTap::phyOnTcpData(PhySocket *sock,void **uptr,void *data,unsigned long len) {} |
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void NetconEthernetTap::phyOnTcpWritable(PhySocket *sock,void **uptr) {} |
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void NetconEthernetTap::phyOnUnixAccept(PhySocket *sockL,PhySocket *sockN,void **uptrL,void **uptrN) |
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{ |
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} |
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void NetconEthernetTap::phyOnUnixClose(PhySocket *sock,void **uptr) |
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{ |
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} |
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void NetconEthernetTap::phyOnUnixData(PhySocket *sock,void **uptr,void *data,unsigned long len) |
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{ |
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} |
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void NetconEthernetTap::phyOnUnixWritable(PhySocket *sock,void **uptr) |
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{ |
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} |
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} // namespace ZeroTier |
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#endif // ZT_ENABLE_NETCON
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