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I2P: End-to-End encrypted and anonymous Internet
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352 lines
12 KiB
352 lines
12 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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// TODO: handle this somewhere, but definitely not here |
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#include "I2PControl.h" |
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#include "util/Log.h" |
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#include <iomanip> |
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#include <sstream> |
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#include "util/Timestamp.h" |
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#include <boost/property_tree/json_parser.hpp> |
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#include "transport/Transports.h" |
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#include "tunnel/Tunnel.h" |
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#include "NetDb.h" |
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#include "version.h" |
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#include "Daemon.h" |
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namespace i2p { |
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namespace client { |
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I2PControlSession::Response::Response(const std::string& version) |
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: id(), version(version), error(ErrorCode::None), parameters() |
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{ |
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} |
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std::string I2PControlSession::Response::toJsonString() const |
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{ |
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std::ostringstream oss; |
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oss << "{\"id\":" << id << ",\"result\":{"; |
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for(auto it = parameters.begin(); it != parameters.end(); ++it) { |
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if(it != parameters.begin()) |
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oss << ','; |
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oss << '"' << it->first << "\":" << it->second; |
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} |
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oss << "},\"jsonrpc\":\"" << version << '"'; |
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if(error != ErrorCode::None) |
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oss << ",\"error\":{\"code\":" << static_cast<int>(error) |
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<< ",\"message\":\"" << getErrorMsg() << "\"" << "}"; |
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oss << "}"; |
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return oss.str(); |
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} |
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std::string I2PControlSession::Response::getErrorMsg() const |
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{ |
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switch(error) { |
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case ErrorCode::MethodNotFound: |
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return "Method not found."; |
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case ErrorCode::InvalidParameters: |
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return "Invalid parameters."; |
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case ErrorCode::InvalidRequest: |
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return "Invalid request."; |
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case ErrorCode::ParseError: |
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return "Json parse error."; |
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case ErrorCode::InvalidPassword: |
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return "Invalid password."; |
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case ErrorCode::NoToken: |
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return "No authentication token given."; |
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case ErrorCode::NonexistantToken: |
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return "Nonexistant authentication token given."; |
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case ErrorCode::ExpiredToken: |
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return "Exipred authentication token given."; |
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case ErrorCode::UnspecifiedVersion: |
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return "Version not specified."; |
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case ErrorCode::UnsupportedVersion: |
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return "Version not supported."; |
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default: |
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return ""; |
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}; |
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} |
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void I2PControlSession::Response::setParam(const std::string& param, const std::string& value) |
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{ |
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parameters[param] = value.empty() ? "null" : "\"" + value + "\""; |
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} |
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void I2PControlSession::Response::setParam(const std::string& param, int value) |
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{ |
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parameters[param] = std::to_string(value); |
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} |
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void I2PControlSession::Response::setParam(const std::string& param, double value) |
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{ |
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std::ostringstream oss; |
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oss << std::fixed << std::setprecision(2) << value; |
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parameters[param] = oss.str(); |
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} |
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void I2PControlSession::Response::setError(ErrorCode code) |
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{ |
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error = code; |
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} |
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void I2PControlSession::Response::setId(const std::string& identifier) |
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{ |
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id = identifier; |
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} |
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I2PControlSession::I2PControlSession(boost::asio::io_service& ios) |
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: password(I2P_CONTROL_DEFAULT_PASSWORD), tokens(), service(ios), shutdownTimer(ios) |
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{ |
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// Method handlers |
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methodHandlers[I2P_CONTROL_METHOD_AUTHENTICATE] = &I2PControlSession::handleAuthenticate; |
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methodHandlers[I2P_CONTROL_METHOD_ECHO] = &I2PControlSession::handleEcho; |
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methodHandlers[I2P_CONTROL_METHOD_I2PCONTROL] = &I2PControlSession::handleI2PControl; |
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methodHandlers[I2P_CONTROL_METHOD_ROUTER_INFO] = &I2PControlSession::handleRouterInfo; |
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methodHandlers[I2P_CONTROL_METHOD_ROUTER_MANAGER] = &I2PControlSession::handleRouterManager; |
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methodHandlers[I2P_CONTROL_METHOD_NETWORK_SETTING] = &I2PControlSession::handleNetworkSetting; |
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// RouterInfo handlers |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_UPTIME] = &I2PControlSession::handleUptime; |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_VERSION] = &I2PControlSession::handleVersion; |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_STATUS] = &I2PControlSession::handleStatus; |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS]= &I2PControlSession::handleNetDbKnownPeers; |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS] = &I2PControlSession::handleNetDbActivePeers; |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_NET_STATUS] = &I2PControlSession::handleNetStatus; |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING] = &I2PControlSession::handleTunnelsParticipating; |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_BW_IB_1S] = &I2PControlSession::handleInBandwidth1S; |
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routerInfoHandlers[I2P_CONTROL_ROUTER_INFO_BW_OB_1S] = &I2PControlSession::handleOutBandwidth1S; |
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// RouterManager handlers |
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routerManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN] = &I2PControlSession::handleShutdown; |
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routerManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL] = &I2PControlSession::handleShutdownGraceful; |
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routerManagerHandlers[I2P_CONTROL_ROUTER_MANAGER_RESEED] = &I2PControlSession::handleReseed; |
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} |
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I2PControlSession::~I2PControlSession() |
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{ |
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stop(); |
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} |
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void I2PControlSession::stop() |
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{ |
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boost::system::error_code e; // Make sure this doesn't throw |
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shutdownTimer.cancel(e); |
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} |
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I2PControlSession::Response I2PControlSession::handleRequest(std::stringstream& request) |
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{ |
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boost::property_tree::ptree pt; |
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boost::property_tree::read_json(request, pt); |
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Response response; |
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try { |
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response.setId(pt.get<std::string>(I2P_CONTROL_PROPERTY_ID)); |
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std::string method = pt.get<std::string>(I2P_CONTROL_PROPERTY_METHOD); |
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auto it = methodHandlers.find(method); |
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if(it == methodHandlers.end()) { // Not found |
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LogPrint(eLogWarning, "Unknown I2PControl method ", method); |
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response.setError(ErrorCode::MethodNotFound); |
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return response; |
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} |
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PropertyTree params = pt.get_child(I2P_CONTROL_PROPERTY_PARAMS); |
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if(method != I2P_CONTROL_METHOD_AUTHENTICATE && !authenticate(params, response)) { |
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LogPrint(eLogWarning, "I2PControl invalid token presented"); |
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return response; |
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} |
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// Call the appropriate handler |
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(this->*(it->second))(params, response); |
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} catch(const boost::property_tree::ptree_error& error) { |
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response.setError(ErrorCode::ParseError); |
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} catch(...) { |
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response.setError(ErrorCode::InternalError); |
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} |
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return response; |
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} |
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bool I2PControlSession::authenticate(const PropertyTree& pt, Response& response) |
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{ |
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try { |
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std::string token = pt.get<std::string>(I2P_CONTROL_PARAM_TOKEN); |
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if(tokens.find(token) == tokens.end()) { |
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response.setError(ErrorCode::NonexistantToken); |
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return false; |
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} |
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} catch(const boost::property_tree::ptree_error& error) { |
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response.setError(ErrorCode::NoToken); |
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return false; |
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} |
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return true; |
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} |
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void I2PControlSession::handleAuthenticate(const PropertyTree& pt, Response& response) |
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{ |
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const int api = pt.get<int>(I2P_CONTROL_PARAM_API); |
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const std::string given_pass = pt.get<std::string>(I2P_CONTROL_PARAM_PASSWORD); |
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LogPrint(eLogDebug, "I2PControl Authenticate API = ", api, " Password = ", password); |
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if(given_pass != password) { |
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LogPrint( |
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eLogError, "I2PControl Authenticate Invalid password ", password, |
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" expected ", password |
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); |
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response.setError(ErrorCode::InvalidPassword); |
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return; |
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} |
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// TODO: generate a secure token |
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const std::string token = std::to_string(i2p::util::GetSecondsSinceEpoch()); |
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response.setParam(I2P_CONTROL_PARAM_API, api); |
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response.setParam(I2P_CONTROL_PARAM_TOKEN, token); |
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tokens.insert(token); |
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} |
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void I2PControlSession::handleEcho(const PropertyTree& pt, Response& response) |
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{ |
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const std::string echo = pt.get<std::string>(I2P_CONTROL_PARAM_ECHO); |
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LogPrint(eLogDebug, "I2PControl Echo Echo = ", echo); |
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response.setParam(I2P_CONTROL_PARAM_RESULT, echo); |
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} |
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void I2PControlSession::handleI2PControl(const PropertyTree& pt, Response& response) |
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{ |
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LogPrint(eLogDebug, "I2PControl I2PControl"); |
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// TODO: implement |
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} |
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void I2PControlSession::handleRouterInfo(const PropertyTree& pt, Response& response) |
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{ |
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LogPrint(eLogDebug, "I2PControl RouterInfo"); |
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for(const auto& pair : pt) { |
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if(pair.first == I2P_CONTROL_PARAM_TOKEN) |
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continue; |
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LogPrint(eLogDebug, pair.first); |
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auto it = routerInfoHandlers.find(pair.first); |
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if(it != routerInfoHandlers.end()) { |
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(this->*(it->second))(response); |
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} else { |
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LogPrint(eLogError, "I2PControl RouterInfo unknown request ", pair.first); |
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response.setError(ErrorCode::InvalidRequest); |
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} |
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} |
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} |
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void I2PControlSession::handleRouterManager(const PropertyTree& pt, Response& response) |
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{ |
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LogPrint(eLogDebug, "I2PControl RouterManager"); |
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for(const auto& pair : pt) { |
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if(pair.first == I2P_CONTROL_PARAM_TOKEN) |
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continue; |
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LogPrint(eLogDebug, pair.first); |
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auto it = routerManagerHandlers.find(pair.first); |
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if(it != routerManagerHandlers.end()) { |
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(this->*(it->second))(response); |
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} else { |
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LogPrint(eLogError, "I2PControl RouterManager unknown request ", pair.first); |
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response.setError(ErrorCode::InvalidRequest); |
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} |
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} |
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} |
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void I2PControlSession::handleNetworkSetting(const PropertyTree& pt, Response& response) |
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{ |
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} |
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void I2PControlSession::handleUptime(Response& response) |
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{ |
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response.setParam(I2P_CONTROL_ROUTER_INFO_UPTIME, (int)i2p::context.GetUptime()*1000); |
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} |
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void I2PControlSession::handleVersion(Response& response) |
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{ |
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response.setParam(I2P_CONTROL_ROUTER_INFO_VERSION, VERSION); |
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} |
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void I2PControlSession::handleStatus(Response& response) |
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{ |
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response.setParam(I2P_CONTROL_ROUTER_INFO_STATUS, "???"); // TODO: |
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} |
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void I2PControlSession::handleNetDbKnownPeers(Response& response) |
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{ |
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response.setParam( |
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I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS, i2p::data::netdb.GetNumRouters() |
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); |
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} |
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void I2PControlSession::handleNetDbActivePeers(Response& response) |
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{ |
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response.setParam( |
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I2P_CONTROL_ROUTER_INFO_NETDB_KNOWNPEERS, |
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i2p::data::netdb.GetNumRouters() |
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); |
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} |
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void I2PControlSession::handleNetStatus(Response& response) |
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{ |
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response.setParam( |
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I2P_CONTROL_ROUTER_INFO_NETDB_ACTIVEPEERS, |
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(int)i2p::transport::transports.GetPeers().size() |
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); |
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} |
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void I2PControlSession::handleTunnelsParticipating(Response& response) |
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{ |
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response.setParam( |
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I2P_CONTROL_ROUTER_INFO_TUNNELS_PARTICIPATING, |
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(int)i2p::tunnel::tunnels.GetTransitTunnels().size() |
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); |
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} |
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void I2PControlSession::handleInBandwidth1S(Response& response) |
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{ |
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response.setParam( |
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I2P_CONTROL_ROUTER_INFO_BW_IB_1S, |
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(double)i2p::transport::transports.GetInBandwidth() |
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); |
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} |
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void I2PControlSession::handleOutBandwidth1S(Response& response) |
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{ |
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response.setParam( |
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I2P_CONTROL_ROUTER_INFO_BW_OB_1S, |
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(double)i2p::transport::transports.GetOutBandwidth() |
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); |
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} |
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void I2PControlSession::handleShutdown(Response& response) |
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{ |
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LogPrint(eLogInfo, "Shutdown requested"); |
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response.setParam(I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN, ""); |
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// 1 second to make sure response has been sent |
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shutdownTimer.expires_from_now(boost::posix_time::seconds(1)); |
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shutdownTimer.async_wait([](const boost::system::error_code& ecode) { |
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Daemon.running = 0; |
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}); |
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} |
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void I2PControlSession::handleShutdownGraceful(Response& response) |
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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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response.setParam(I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN_GRACEFUL, ""); |
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shutdownTimer.expires_from_now(boost::posix_time::seconds(timeout + 1)); |
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shutdownTimer.async_wait([](const boost::system::error_code& ecode) { |
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Daemon.running = 0; |
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}); |
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} |
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void I2PControlSession::handleReseed(Response& response) |
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{ |
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LogPrint(eLogInfo, "Reseed requested"); |
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response.setParam(I2P_CONTROL_ROUTER_MANAGER_SHUTDOWN, ""); |
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i2p::data::netdb.Reseed(); |
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} |
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} |
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}
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