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I2P: End-to-End encrypted and anonymous Internet
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413 lines
14 KiB
413 lines
14 KiB
// There is bug in boost 1.49 with gcc 4.7 coming with Debian Wheezy |
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#define GCC47_BOOST149 ((BOOST_VERSION == 104900) && (__GNUC__ == 4) && (__GNUC_MINOR__ == 7)) |
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#include "I2PControl.h" |
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#include <sstream> |
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#include <boost/lexical_cast.hpp> |
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#include <boost/date_time/local_time/local_time.hpp> |
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#include <boost/date_time/posix_time/posix_time.hpp> |
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#include <boost/property_tree/ptree.hpp> |
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#if !GCC47_BOOST149 |
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#include <boost/property_tree/json_parser.hpp> |
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#endif |
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#include "Log.h" |
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#include "NetDb.h" |
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#include "RouterContext.h" |
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#include "Daemon.h" |
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#include "Tunnel.h" |
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#include "Timestamp.h" |
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#include "Transports.h" |
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namespace i2p |
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{ |
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namespace client |
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{ |
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I2PControlService::I2PControlService (int port): |
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m_Password (I2P_CONTROL_DEFAULT_PASSWORD), m_IsRunning (false), m_Thread (nullptr), |
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m_Acceptor (m_Service, boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port)), |
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m_ShutdownTimer (m_Service) |
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{ |
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m_MethodHandlers[I2P_CONTROL_METHOD_AUTHENTICATE] = &I2PControlService::AuthenticateHandler; |
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m_MethodHandlers[I2P_CONTROL_METHOD_ECHO] = &I2PControlService::EchoHandler; |
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m_MethodHandlers[I2P_CONTROL_METHOD_I2PCONTROL] = &I2PControlService::I2PControlHandler; |
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m_MethodHandlers[I2P_CONTROL_METHOD_ROUTER_INFO] = &I2PControlService::RouterInfoHandler; |
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m_MethodHandlers[I2P_CONTROL_METHOD_ROUTER_MANAGER] = &I2PControlService::RouterManagerHandler; |
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m_MethodHandlers[I2P_CONTROL_METHOD_NETWORK_SETTING] = &I2PControlService::NetworkSettingHandler; |
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// RouterInfo |
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m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_UPTIME] = &I2PControlService::UptimeHandler; |
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m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS] = &I2PControlService::NetDbKnownPeersHandler; |
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m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS] = &I2PControlService::NetDbActivePeersHandler; |
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m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_STATUS] = &I2PControlService::StatusHandler; |
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m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING] = &I2PControlService::TunnelsParticipatingHandler; |
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m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_BW_IB_1S] = &I2PControlService::InboundBandwidth1S ; |
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m_RouterInfoHandlers[I2P_CONTROL_ROUTER_INFO_BW_OB_1S] = &I2PControlService::OutboundBandwidth1S ; |
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// RouterManager |
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m_RouterManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN] = &I2PControlService::ShutdownHandler; |
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m_RouterManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL] = &I2PControlService::ShutdownGracefulHandler; |
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m_RouterManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_RESEED] = &I2PControlService::ReseedHandler; |
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} |
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I2PControlService::~I2PControlService () |
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{ |
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Stop (); |
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} |
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void I2PControlService::Start () |
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{ |
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if (!m_IsRunning) |
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{ |
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Accept (); |
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m_IsRunning = true; |
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m_Thread = new std::thread (std::bind (&I2PControlService::Run, this)); |
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} |
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} |
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void I2PControlService::Stop () |
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{ |
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if (m_IsRunning) |
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{ |
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m_IsRunning = false; |
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m_Acceptor.cancel (); |
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m_Service.stop (); |
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if (m_Thread) |
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{ |
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m_Thread->join (); |
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delete m_Thread; |
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m_Thread = nullptr; |
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} |
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} |
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} |
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void I2PControlService::Run () |
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{ |
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while (m_IsRunning) |
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{ |
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try |
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{ |
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m_Service.run (); |
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} |
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catch (std::exception& ex) |
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{ |
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LogPrint (eLogError, "I2PControl: ", ex.what ()); |
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} |
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} |
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} |
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void I2PControlService::Accept () |
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{ |
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auto newSocket = std::make_shared<boost::asio::ip::tcp::socket> (m_Service); |
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m_Acceptor.async_accept (*newSocket, std::bind (&I2PControlService::HandleAccept, this, |
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std::placeholders::_1, newSocket)); |
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} |
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void I2PControlService::HandleAccept(const boost::system::error_code& ecode, std::shared_ptr<boost::asio::ip::tcp::socket> socket) |
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{ |
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if (ecode != boost::asio::error::operation_aborted) |
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Accept (); |
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if (!ecode) |
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{ |
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LogPrint (eLogInfo, "New I2PControl request from ", socket->remote_endpoint ()); |
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ReadRequest (socket); |
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} |
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else |
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LogPrint (eLogError, "I2PControl accept error: ", ecode.message ()); |
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} |
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void I2PControlService::ReadRequest (std::shared_ptr<boost::asio::ip::tcp::socket> socket) |
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{ |
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auto request = std::make_shared<I2PControlBuffer>(); |
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socket->async_read_some ( |
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#if BOOST_VERSION >= 104900 |
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boost::asio::buffer (*request), |
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#else |
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boost::asio::buffer (request->data (), request->size ()), |
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#endif |
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std::bind(&I2PControlService::HandleRequestReceived, this, |
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std::placeholders::_1, std::placeholders::_2, socket, request)); |
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} |
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void I2PControlService::HandleRequestReceived (const boost::system::error_code& ecode, |
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size_t bytes_transferred, std::shared_ptr<boost::asio::ip::tcp::socket> socket, |
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std::shared_ptr<I2PControlBuffer> buf) |
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{ |
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if (ecode) |
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{ |
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LogPrint (eLogError, "I2PControl read error: ", ecode.message ()); |
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} |
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else |
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{ |
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try |
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{ |
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bool isHtml = !memcmp (buf->data (), "POST", 4); |
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std::stringstream ss; |
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ss.write (buf->data (), bytes_transferred); |
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if (isHtml) |
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{ |
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std::string header; |
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while (!ss.eof () && header != "\r") |
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std::getline(ss, header); |
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if (ss.eof ()) |
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{ |
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LogPrint (eLogError, "Malformed I2PControl request. HTTP header expected"); |
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return; // TODO: |
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} |
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} |
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#if GCC47_BOOST149 |
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LogPrint (eLogError, "json_read is not supported due bug in boost 1.49 with gcc 4.7"); |
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#else |
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boost::property_tree::ptree pt; |
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boost::property_tree::read_json (ss, pt); |
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std::string method = pt.get<std::string>(I2P_CONTROL_PROPERTY_METHOD); |
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auto it = m_MethodHandlers.find (method); |
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if (it != m_MethodHandlers.end ()) |
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{ |
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std::map<std::string, std::string> params; |
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for (auto& v: pt.get_child (I2P_CONTROL_PROPERTY_PARAMS)) |
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{ |
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LogPrint (eLogInfo, v.first); |
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if (!v.first.empty()) |
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{ |
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if (v.first == I2P_CONTROL_PARAM_TOKEN) |
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{ |
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if (!m_Tokens.count (v.second.data ())) |
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{ |
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LogPrint (eLogWarning, "Unknown token ", v.second.data ()); |
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return; |
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} |
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} |
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else |
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params[v.first] = v.second.data (); |
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} |
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} |
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std::map<std::string, std::string> results; |
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(this->*(it->second))(params, results); |
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SendResponse (socket, buf, pt.get<std::string>(I2P_CONTROL_PROPERTY_ID), results, isHtml); |
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} |
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else |
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LogPrint (eLogWarning, "Unknown I2PControl method ", method); |
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#endif |
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} |
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catch (std::exception& ex) |
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{ |
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LogPrint (eLogError, "I2PControl handle request: ", ex.what ()); |
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} |
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catch (...) |
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{ |
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LogPrint (eLogError, "I2PControl handle request unknown exception"); |
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} |
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} |
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} |
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void I2PControlService::SendResponse (std::shared_ptr<boost::asio::ip::tcp::socket> socket, |
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std::shared_ptr<I2PControlBuffer> buf, const std::string& id, |
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const std::map<std::string, std::string>& results, bool isHtml) |
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{ |
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boost::property_tree::ptree ptr; |
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for (auto& result: results) |
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ptr.put (boost::property_tree::ptree::path_type (result.first, '/'), result.second); |
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boost::property_tree::ptree pt; |
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pt.put (I2P_CONTROL_PROPERTY_ID, id); |
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pt.put_child (I2P_CONTROL_PROPERTY_RESULT, ptr); |
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pt.put ("jsonrpc", "2.0"); |
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std::ostringstream ss; |
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#if GCC47_BOOST149 |
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LogPrint (eLogError, "json_write is not supported due bug in boost 1.49 with gcc 4.7"); |
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#else |
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boost::property_tree::write_json (ss, pt, false); |
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#endif |
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size_t len = ss.str ().length (), offset = 0; |
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if (isHtml) |
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{ |
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std::ostringstream header; |
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header << "HTTP/1.1 200 OK\r\n"; |
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header << "Connection: close\r\n"; |
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header << "Content-Length: " << boost::lexical_cast<std::string>(len) << "\r\n"; |
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header << "Content-Type: application/json\r\n"; |
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header << "Date: "; |
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auto facet = new boost::local_time::local_time_facet ("%a, %d %b %Y %H:%M:%S GMT"); |
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header.imbue(std::locale (header.getloc(), facet)); |
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header << boost::posix_time::second_clock::local_time() << "\r\n"; |
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header << "\r\n"; |
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offset = header.str ().size (); |
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memcpy (buf->data (), header.str ().c_str (), offset); |
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} |
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memcpy (buf->data () + offset, ss.str ().c_str (), len); |
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boost::asio::async_write (*socket, boost::asio::buffer (buf->data (), len), |
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boost::asio::transfer_all (), |
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std::bind(&I2PControlService::HandleResponseSent, this, |
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std::placeholders::_1, std::placeholders::_2, socket, buf)); |
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} |
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void I2PControlService::HandleResponseSent (const boost::system::error_code& ecode, std::size_t bytes_transferred, |
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std::shared_ptr<boost::asio::ip::tcp::socket> socket, std::shared_ptr<I2PControlBuffer> buf) |
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{ |
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if (ecode) |
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LogPrint (eLogError, "I2PControl write error: ", ecode.message ()); |
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socket->close (); |
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} |
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// handlers |
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void I2PControlService::AuthenticateHandler (const std::map<std::string, std::string>& params, std::map<std::string, std::string>& results) |
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{ |
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const std::string& api = params.at (I2P_CONTROL_PARAM_API); |
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const std::string& password = params.at (I2P_CONTROL_PARAM_PASSWORD); |
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LogPrint (eLogDebug, "I2PControl Authenticate API=", api, " Password=", password); |
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if (password != m_Password) |
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LogPrint (eLogError, "I2PControl Authenticate Invalid password ", password, " expected ", m_Password); |
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results[I2P_CONTROL_PARAM_API] = api; |
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std::string token = boost::lexical_cast<std::string>(i2p::util::GetSecondsSinceEpoch ()); |
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m_Tokens.insert (token); |
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results[I2P_CONTROL_PARAM_TOKEN] = token; |
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} |
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void I2PControlService::EchoHandler (const std::map<std::string, std::string>& params, std::map<std::string, std::string>& results) |
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{ |
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const std::string& echo = params.at (I2P_CONTROL_PARAM_ECHO); |
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LogPrint (eLogDebug, "I2PControl Echo Echo=", echo); |
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results[I2P_CONTROL_PARAM_RESULT] = echo; |
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} |
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// I2PControl |
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void I2PControlService::I2PControlHandler (const std::map<std::string, std::string>& params, std::map<std::string, std::string>& results) |
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{ |
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LogPrint (eLogDebug, "I2PControl I2PControl"); |
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for (auto& it: params) |
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{ |
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LogPrint (eLogDebug, it.first); |
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auto it1 = m_I2PControlHandlers.find (it.first); |
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if (it1 != m_I2PControlHandlers.end ()) |
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(this->*(it1->second))(it.second); |
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else |
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LogPrint (eLogError, "I2PControl NetworkSetting unknown request ", it.first); |
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} |
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} |
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// RouterInfo |
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void I2PControlService::RouterInfoHandler (const std::map<std::string, std::string>& params, std::map<std::string, std::string>& results) |
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{ |
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LogPrint (eLogDebug, "I2PControl RouterInfo"); |
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for (auto& it: params) |
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{ |
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LogPrint (eLogDebug, it.first); |
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auto it1 = m_RouterInfoHandlers.find (it.first); |
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if (it1 != m_RouterInfoHandlers.end ()) |
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(this->*(it1->second))(results); |
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else |
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LogPrint (eLogError, "I2PControl RouterInfo unknown request ", it.first); |
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} |
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} |
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void I2PControlService::UptimeHandler (std::map<std::string, std::string>& results) |
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{ |
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results[I2P_CONTROL_ROUTER_INFO_UPTIME] = boost::lexical_cast<std::string>(i2p::context.GetUptime ()*1000); |
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} |
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void I2PControlService::NetDbKnownPeersHandler (std::map<std::string, std::string>& results) |
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{ |
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results[I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS] = boost::lexical_cast<std::string>(i2p::data::netdb.GetNumRouters ()); |
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} |
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void I2PControlService::NetDbActivePeersHandler (std::map<std::string, std::string>& results) |
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{ |
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results[I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS] = boost::lexical_cast<std::string>(i2p::transport::transports.GetPeers ().size ()); |
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} |
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void I2PControlService::StatusHandler (std::map<std::string, std::string>& results) |
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{ |
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results[I2P_CONTROL_ROUTER_INFO_STATUS] = boost::lexical_cast<std::string>((int)i2p::context.GetStatus ()); |
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} |
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void I2PControlService::TunnelsParticipatingHandler (std::map<std::string, std::string>& results) |
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{ |
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results[I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING] = boost::lexical_cast<std::string>(i2p::tunnel::tunnels.GetTransitTunnels ().size ()); |
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} |
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void I2PControlService::InboundBandwidth1S (std::map<std::string, std::string>& results) |
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{ |
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results[I2P_CONTROL_ROUTER_INFO_BW_IB_1S] = boost::lexical_cast<std::string>(i2p::transport::transports.GetInBandwidth ()); |
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} |
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void I2PControlService::OutboundBandwidth1S (std::map<std::string, std::string>& results) |
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{ |
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results[I2P_CONTROL_ROUTER_INFO_BW_OB_1S] = boost::lexical_cast<std::string>(i2p::transport::transports.GetOutBandwidth ()); |
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} |
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// RouterManager |
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void I2PControlService::RouterManagerHandler (const std::map<std::string, std::string>& params, std::map<std::string, std::string>& results) |
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{ |
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LogPrint (eLogDebug, "I2PControl RouterManager"); |
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for (auto& it: params) |
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{ |
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LogPrint (eLogDebug, it.first); |
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auto it1 = m_RouterManagerHandlers.find (it.first); |
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if (it1 != m_RouterManagerHandlers.end ()) |
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(this->*(it1->second))(results); |
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else |
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LogPrint (eLogError, "I2PControl RouterManager unknown request ", it.first); |
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} |
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} |
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void I2PControlService::ShutdownHandler (std::map<std::string, std::string>& results) |
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{ |
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LogPrint (eLogInfo, "Shutdown requested"); |
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results[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN] = ""; |
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m_ShutdownTimer.expires_from_now (boost::posix_time::seconds(1)); // 1 second to make sure response has been sent |
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m_ShutdownTimer.async_wait ( |
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[](const boost::system::error_code& ecode) |
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{ |
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Daemon.running = 0; |
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}); |
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} |
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void I2PControlService::ShutdownGracefulHandler (std::map<std::string, std::string>& results) |
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{ |
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i2p::context.SetAcceptsTunnels (false); |
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int timeout = i2p::tunnel::tunnels.GetTransitTunnelsExpirationTimeout (); |
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LogPrint (eLogInfo, "Graceful shutdown requested. Will shutdown after ", timeout, " seconds"); |
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results[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL] = ""; |
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m_ShutdownTimer.expires_from_now (boost::posix_time::seconds(timeout + 1)); // + 1 second |
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m_ShutdownTimer.async_wait ( |
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[](const boost::system::error_code& ecode) |
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{ |
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Daemon.running = 0; |
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}); |
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} |
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void I2PControlService::ReseedHandler (std::map<std::string, std::string>& results) |
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{ |
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LogPrint (eLogInfo, "Reseed requested"); |
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results[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN] = ""; |
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i2p::data::netdb.Reseed (); |
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} |
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// network setting |
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void I2PControlService::NetworkSettingHandler (const std::map<std::string, std::string>& params, std::map<std::string, std::string>& results) |
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{ |
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LogPrint (eLogDebug, "I2PControl NetworkSetting"); |
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for (auto& it: params) |
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{ |
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LogPrint (eLogDebug, it.first); |
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auto it1 = m_NetworkSettingHandlers.find (it.first); |
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if (it1 != m_NetworkSettingHandlers.end ()) |
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(this->*(it1->second))(it.second, results); |
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else |
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LogPrint (eLogError, "I2PControl NetworkSetting unknown request ", it.first); |
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} |
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} |
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} |
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}
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