2013-07-04 20:56:19 +00:00
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/*
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* ZeroTier One - Global Peer to Peer Ethernet
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2014-02-16 20:40:22 +00:00
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* Copyright (C) 2011-2014 ZeroTier Networks LLC
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2013-07-04 20:56:19 +00:00
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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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#include <stdio.h>
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#include <string.h>
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2013-07-17 18:10:44 +00:00
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#include <stdlib.h>
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#include <stdint.h>
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2013-07-04 20:56:19 +00:00
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#include <memory>
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#include <string>
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2013-08-06 05:28:56 +00:00
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#include <map>
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#include <set>
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2013-07-04 20:56:19 +00:00
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2013-08-13 01:25:36 +00:00
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#include "Constants.hpp"
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2013-07-04 20:56:19 +00:00
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#include "NodeConfig.hpp"
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#include "RuntimeEnvironment.hpp"
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#include "Defaults.hpp"
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#include "Utils.hpp"
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#include "Logger.hpp"
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2013-07-17 18:10:44 +00:00
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#include "Topology.hpp"
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2013-10-18 21:39:48 +00:00
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#include "Packet.hpp"
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2013-07-17 18:10:44 +00:00
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#include "InetAddress.hpp"
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#include "Peer.hpp"
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2013-08-30 19:02:12 +00:00
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#include "Node.hpp"
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2013-12-11 21:00:18 +00:00
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#include "SoftwareUpdater.hpp"
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2013-07-04 20:56:19 +00:00
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namespace ZeroTier {
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2014-03-19 15:20:09 +00:00
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NodeConfig::NodeConfig(const RuntimeEnvironment *renv,const char *authToken) :
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2014-09-12 23:57:37 +00:00
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_r(renv)
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// _ipcListener((std::string(ZT_IPC_ENDPOINT_BASE) + renv->identity.address().toString()).c_str(),&_CBcommandHandler,this),
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// _authToken(authToken)
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2013-07-04 20:56:19 +00:00
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{
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2013-09-16 17:02:10 +00:00
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{
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2014-03-19 15:20:09 +00:00
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Mutex::Lock _l(_localConfig_m);
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2014-02-11 21:20:51 +00:00
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_readLocalConfig();
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}
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2013-09-19 18:40:46 +00:00
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std::string networksFolder(_r->homePath + ZT_PATH_SEPARATOR_S + "networks.d");
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std::map<std::string,bool> networksDotD(Utils::listDirectory(networksFolder.c_str()));
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2014-02-11 21:20:51 +00:00
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std::vector<uint64_t> configuredNets;
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2013-08-06 05:28:56 +00:00
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for(std::map<std::string,bool>::iterator d(networksDotD.begin());d!=networksDotD.end();++d) {
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if (!d->second) {
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std::string::size_type dot = d->first.rfind(".conf");
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if (dot != std::string::npos) {
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2014-01-18 01:09:59 +00:00
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uint64_t nwid = Utils::hexStrToU64(d->first.substr(0,dot).c_str());
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2014-02-11 21:20:51 +00:00
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if ((nwid > 0)&&(std::find(configuredNets.begin(),configuredNets.end(),nwid) == configuredNets.end()))
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configuredNets.push_back(nwid);
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2013-08-06 05:28:56 +00:00
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}
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}
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}
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2014-02-11 21:20:51 +00:00
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for(std::vector<uint64_t>::iterator n(configuredNets.begin());n!=configuredNets.end();++n) {
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2013-08-06 05:28:56 +00:00
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try {
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2014-02-11 22:21:59 +00:00
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_networks[*n] = Network::newInstance(_r,this,*n);
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2013-08-06 05:28:56 +00:00
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} catch (std::exception &exc) {
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2014-02-11 21:20:51 +00:00
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LOG("unable to create network %.16llx: %s",(unsigned long long)*n,exc.what());
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2013-08-06 05:28:56 +00:00
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} catch ( ... ) {
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2014-02-11 21:20:51 +00:00
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LOG("unable to create network %.16llx: (unknown exception)",(unsigned long long)*n);
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2013-08-06 05:28:56 +00:00
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}
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}
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2013-07-04 20:56:19 +00:00
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}
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NodeConfig::~NodeConfig()
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{
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2014-02-10 22:22:57 +00:00
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_writeLocalConfig();
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2014-03-19 15:20:09 +00:00
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// Close any open IPC connections
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2014-09-12 23:57:37 +00:00
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/*
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2014-03-19 15:20:09 +00:00
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Mutex::Lock _l(_connections_m);
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for(std::map< IpcConnection *,bool >::iterator c(_connections.begin());c!=_connections.end();++c)
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delete c->first;
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_connections.clear();
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2014-09-12 23:57:37 +00:00
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*/
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2013-07-04 20:56:19 +00:00
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}
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2014-02-11 00:46:53 +00:00
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void NodeConfig::putLocalConfig(const std::string &key,const char *value)
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{
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Mutex::Lock _l(_localConfig_m);
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_localConfig[key] = value;
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_writeLocalConfig();
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}
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void NodeConfig::putLocalConfig(const std::string &key,const std::string &value)
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{
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Mutex::Lock _l(_localConfig_m);
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_localConfig[key] = value;
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_writeLocalConfig();
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}
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std::string NodeConfig::getLocalConfig(const std::string &key) const
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{
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Mutex::Lock _l(_localConfig_m);
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Dictionary::const_iterator i(_localConfig.find(key));
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if (i == _localConfig.end())
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return std::string();
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return i->second;
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}
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2013-08-06 04:05:39 +00:00
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void NodeConfig::clean()
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2013-07-30 15:14:53 +00:00
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{
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Mutex::Lock _l(_networks_m);
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for(std::map< uint64_t,SharedPtr<Network> >::const_iterator n(_networks.begin());n!=_networks.end();++n)
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n->second->clean();
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}
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2014-09-12 23:57:37 +00:00
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/*
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2014-03-19 15:20:09 +00:00
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void NodeConfig::_CBcommandHandler(void *arg,IpcConnection *ipcc,IpcConnection::EventType event,const char *commandLine)
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{
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switch(event) {
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case IpcConnection::IPC_EVENT_COMMAND:
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((NodeConfig *)arg)->_doCommand(ipcc,commandLine);
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break;
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case IpcConnection::IPC_EVENT_NEW_CONNECTION: {
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Mutex::Lock _l(((NodeConfig *)arg)->_connections_m);
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((NodeConfig *)arg)->_connections[ipcc] = false; // not yet authenticated
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} break;
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case IpcConnection::IPC_EVENT_CONNECTION_CLOSED: {
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Mutex::Lock _l(((NodeConfig *)arg)->_connections_m);
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((NodeConfig *)arg)->_connections.erase(ipcc);
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delete ipcc;
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} break;
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}
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}
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2013-07-17 18:10:44 +00:00
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// Used with Topology::eachPeer to dump peer stats
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class _DumpPeerStatistics
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2013-07-04 20:56:19 +00:00
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{
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2013-07-17 18:10:44 +00:00
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public:
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2014-03-19 15:20:09 +00:00
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_DumpPeerStatistics(IpcConnection *i) :
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ipcc(i),
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now(Utils::now())
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2013-07-17 18:10:44 +00:00
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{
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}
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inline void operator()(Topology &t,const SharedPtr<Peer> &p)
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{
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2014-03-21 20:46:55 +00:00
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std::vector<Path> pp(p->paths());
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std::string pathsStr;
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for(std::vector<Path>::const_iterator ppp(pp.begin());ppp!=pp.end();++ppp) {
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if (pathsStr.length())
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pathsStr.push_back(',');
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pathsStr.append(ppp->toString());
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2013-10-18 17:20:34 +00:00
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}
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2014-03-21 20:46:55 +00:00
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ipcc->printf("200 listpeers %s %s %u %s"ZT_EOL_S,
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p->address().toString().c_str(),
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((pathsStr.length() > 0) ? pathsStr.c_str() : "-"),
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p->latency(),
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p->remoteVersion().c_str());
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2013-07-17 18:10:44 +00:00
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}
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2014-03-19 15:20:09 +00:00
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IpcConnection *ipcc;
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uint64_t now;
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2013-07-17 18:10:44 +00:00
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};
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2013-07-04 20:56:19 +00:00
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2014-03-19 15:20:09 +00:00
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void NodeConfig::_doCommand(IpcConnection *ipcc,const char *commandLine)
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2013-07-17 18:10:44 +00:00
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{
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2014-03-19 20:56:48 +00:00
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if ((!commandLine)||(!commandLine[0]))
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return;
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2013-07-17 18:10:44 +00:00
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std::vector<std::string> r;
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2014-03-19 15:20:09 +00:00
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std::vector<std::string> cmd(Utils::split(commandLine,"\r\n \t","\\","'"));
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2013-07-17 18:10:44 +00:00
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if ((cmd.empty())||(cmd[0] == "help")) {
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2014-03-19 15:20:09 +00:00
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ipcc->printf("200 help help"ZT_EOL_S);
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2014-03-19 23:59:23 +00:00
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ipcc->printf("200 help auth <token>"ZT_EOL_S);
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2014-03-19 15:20:09 +00:00
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ipcc->printf("200 help info"ZT_EOL_S);
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ipcc->printf("200 help listpeers"ZT_EOL_S);
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ipcc->printf("200 help listnetworks"ZT_EOL_S);
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ipcc->printf("200 help join <network ID>"ZT_EOL_S);
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ipcc->printf("200 help leave <network ID>"ZT_EOL_S);
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ipcc->printf("200 help terminate [<reason>]"ZT_EOL_S);
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ipcc->printf("200 help updatecheck"ZT_EOL_S);
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} else if (cmd[0] == "auth") {
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if ((cmd.size() > 1)&&(_authToken == cmd[1])) {
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Mutex::Lock _l(_connections_m);
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_connections[ipcc] = true;
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2014-03-19 23:59:23 +00:00
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ipcc->printf("200 auth OK"ZT_EOL_S);
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2014-03-21 21:58:35 +00:00
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} else ipcc->printf("403 auth failed"ZT_EOL_S);
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2014-03-19 15:20:09 +00:00
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} else {
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{
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Mutex::Lock _l(_connections_m);
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if (!_connections[ipcc]) {
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2014-03-21 21:58:35 +00:00
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ipcc->printf("403 %s unauthorized"ZT_EOL_S"."ZT_EOL_S,cmd[0].c_str());
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2014-03-19 15:20:09 +00:00
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return;
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2013-10-16 21:47:26 +00:00
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}
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}
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2014-02-15 00:23:03 +00:00
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2014-03-19 15:20:09 +00:00
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if (cmd[0] == "info") {
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// We are online if at least one supernode has spoken to us since the last time our
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// network environment changed and also less than ZT_PEER_LINK_ACTIVITY_TIMEOUT ago.
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bool isOnline = false;
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uint64_t now = Utils::now();
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2014-03-28 00:02:52 +00:00
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uint64_t since = _r->timeOfLastResynchronize;
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2014-03-19 15:20:09 +00:00
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std::vector< SharedPtr<Peer> > snp(_r->topology->supernodePeers());
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for(std::vector< SharedPtr<Peer> >::const_iterator sn(snp.begin());sn!=snp.end();++sn) {
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uint64_t lastRec = (*sn)->lastDirectReceive();
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2014-03-21 20:46:55 +00:00
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if ((lastRec)&&(lastRec > since)&&((now - lastRec) < ZT_PEER_PATH_ACTIVITY_TIMEOUT)) {
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2014-03-19 15:20:09 +00:00
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isOnline = true;
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break;
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}
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2013-08-05 21:44:39 +00:00
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}
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2013-10-16 21:47:26 +00:00
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2014-03-19 15:20:09 +00:00
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ipcc->printf("200 info %s %s %s"ZT_EOL_S,_r->identity.address().toString().c_str(),(isOnline ? "ONLINE" : "OFFLINE"),Node::versionString());
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} else if (cmd[0] == "listpeers") {
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2014-03-21 20:46:55 +00:00
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ipcc->printf("200 listpeers <ztaddr> <paths> <latency> <version>"ZT_EOL_S);
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2014-03-19 15:20:09 +00:00
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_r->topology->eachPeer(_DumpPeerStatistics(ipcc));
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} else if (cmd[0] == "listnetworks") {
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Mutex::Lock _l(_networks_m);
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2014-08-19 21:11:02 +00:00
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ipcc->printf("200 listnetworks <nwid> <name> <mac> <status> <config age> <type> <dev> <ips>"ZT_EOL_S);
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2014-03-19 15:20:09 +00:00
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for(std::map< uint64_t,SharedPtr<Network> >::const_iterator nw(_networks.begin());nw!=_networks.end();++nw) {
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std::string tmp;
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std::set<InetAddress> ips(nw->second->ips());
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for(std::set<InetAddress>::iterator i(ips.begin());i!=ips.end();++i) {
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if (tmp.length())
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tmp.push_back(',');
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tmp.append(i->toString());
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}
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2013-11-21 20:11:22 +00:00
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2014-03-19 15:20:09 +00:00
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SharedPtr<NetworkConfig> nconf(nw->second->config2());
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long long age = (nconf) ? ((long long)Utils::now() - (long long)nconf->timestamp()) : (long long)0;
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if (age < 0)
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age = 0;
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age /= 1000;
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std::string dn(nw->second->tapDeviceName());
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2014-08-19 21:11:02 +00:00
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ipcc->printf("200 listnetworks %.16llx %s %s %s %lld %s %s %s"ZT_EOL_S,
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2014-03-19 15:20:09 +00:00
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(unsigned long long)nw->first,
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((nconf) ? nconf->name().c_str() : "?"),
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2014-08-19 21:11:02 +00:00
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nw->second->mac().toString().c_str(),
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2014-03-19 15:20:09 +00:00
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Network::statusString(nw->second->status()),
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age,
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2014-06-14 20:24:19 +00:00
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((nconf) ? (nconf->isPublic() ? "public" : "private") : "?"),
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2014-03-19 15:20:09 +00:00
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(dn.length() > 0) ? dn.c_str() : "?",
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((tmp.length() > 0) ? tmp.c_str() : "-"));
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}
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} else if (cmd[0] == "join") {
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if (cmd.size() > 1) {
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uint64_t nwid = Utils::hexStrToU64(cmd[1].c_str());
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if (nwid > 0) {
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Mutex::Lock _l(_networks_m);
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if (_networks.count(nwid)) {
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ipcc->printf("409 already a member of %.16llx"ZT_EOL_S,(unsigned long long)nwid);
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} else {
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try {
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SharedPtr<Network> nw(Network::newInstance(_r,this,nwid));
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_networks[nwid] = nw;
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ipcc->printf("200 join %.16llx OK"ZT_EOL_S,(unsigned long long)nwid);
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} catch (std::exception &exc) {
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|
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ipcc->printf("500 join %.16llx ERROR: %s"ZT_EOL_S,(unsigned long long)nwid,exc.what());
|
|
|
|
} catch ( ... ) {
|
|
|
|
ipcc->printf("500 join %.16llx ERROR: (unknown exception)"ZT_EOL_S,(unsigned long long)nwid);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
ipcc->printf("400 join requires a network ID (>0) in hexadecimal format"ZT_EOL_S);
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
ipcc->printf("400 join requires a network ID (>0) in hexadecimal format"ZT_EOL_S);
|
|
|
|
}
|
|
|
|
} else if (cmd[0] == "leave") {
|
|
|
|
if (cmd.size() > 1) {
|
2013-08-06 04:05:39 +00:00
|
|
|
Mutex::Lock _l(_networks_m);
|
2014-03-19 15:20:09 +00:00
|
|
|
uint64_t nwid = Utils::hexStrToU64(cmd[1].c_str());
|
|
|
|
std::map< uint64_t,SharedPtr<Network> >::iterator nw(_networks.find(nwid));
|
|
|
|
if (nw == _networks.end()) {
|
|
|
|
ipcc->printf("404 leave %.16llx ERROR: not a member of that network"ZT_EOL_S,(unsigned long long)nwid);
|
2013-08-06 05:28:56 +00:00
|
|
|
} else {
|
2014-08-22 00:49:05 +00:00
|
|
|
nw->second->destroy();
|
2014-03-19 15:20:09 +00:00
|
|
|
_networks.erase(nw);
|
2013-08-06 04:05:39 +00:00
|
|
|
}
|
|
|
|
} else {
|
2014-03-19 15:20:09 +00:00
|
|
|
ipcc->printf("400 leave requires a network ID (>0) in hexadecimal format"ZT_EOL_S);
|
2013-08-06 04:05:39 +00:00
|
|
|
}
|
2014-03-19 15:20:09 +00:00
|
|
|
} else if (cmd[0] == "terminate") {
|
|
|
|
if (cmd.size() > 1)
|
|
|
|
_r->node->terminate(Node::NODE_NORMAL_TERMINATION,cmd[1].c_str());
|
|
|
|
else _r->node->terminate(Node::NODE_NORMAL_TERMINATION,"terminate via IPC command");
|
|
|
|
} else if (cmd[0] == "updatecheck") {
|
|
|
|
if (_r->updater) {
|
|
|
|
ipcc->printf("200 checking for software updates now at: %s"ZT_EOL_S,ZT_DEFAULTS.updateLatestNfoURL.c_str());
|
|
|
|
_r->updater->checkNow();
|
2013-08-06 04:05:39 +00:00
|
|
|
} else {
|
2014-03-19 15:20:09 +00:00
|
|
|
ipcc->printf("500 software updates are not enabled"ZT_EOL_S);
|
2013-08-06 04:05:39 +00:00
|
|
|
}
|
|
|
|
} else {
|
2014-03-19 15:20:09 +00:00
|
|
|
ipcc->printf("404 %s No such command. Use 'help' for help."ZT_EOL_S,cmd[0].c_str());
|
2013-12-11 21:00:18 +00:00
|
|
|
}
|
2013-07-17 18:10:44 +00:00
|
|
|
}
|
2013-07-04 20:56:19 +00:00
|
|
|
|
2014-03-21 21:58:35 +00:00
|
|
|
ipcc->printf("."ZT_EOL_S); // blank line ends response
|
2013-07-04 20:56:19 +00:00
|
|
|
}
|
2014-09-12 23:57:37 +00:00
|
|
|
*/
|
2013-07-04 20:56:19 +00:00
|
|
|
|
2014-02-10 22:22:57 +00:00
|
|
|
void NodeConfig::_readLocalConfig()
|
|
|
|
{
|
2014-02-11 21:20:51 +00:00
|
|
|
// assumes _localConfig_m is locked
|
2014-02-10 22:22:57 +00:00
|
|
|
std::string localDotConf(_r->homePath + ZT_PATH_SEPARATOR_S + "local.conf");
|
|
|
|
std::string buf;
|
2014-02-11 21:20:51 +00:00
|
|
|
if (Utils::readFile(localDotConf.c_str(),buf))
|
2014-02-10 22:22:57 +00:00
|
|
|
_localConfig.fromString(buf.c_str());
|
|
|
|
}
|
|
|
|
|
|
|
|
void NodeConfig::_writeLocalConfig()
|
|
|
|
{
|
2014-02-11 21:20:51 +00:00
|
|
|
// assumes _localConfig_m is locked
|
2014-02-10 22:22:57 +00:00
|
|
|
Utils::writeFile(((_r->homePath + ZT_PATH_SEPARATOR_S + "local.conf")).c_str(),_localConfig.toString());
|
|
|
|
}
|
|
|
|
|
2013-07-04 20:56:19 +00:00
|
|
|
} // namespace ZeroTier
|