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409 lines
13 KiB
C++
409 lines
13 KiB
C++
/*
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* Copyright (c) 2013-2020, The PurpleI2P Project
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*
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* This file is part of Purple i2pd project and licensed under BSD3
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*
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* See full license text in LICENSE file at top of project tree
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*/
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#include <thread>
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#include <memory>
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#include "Daemon.h"
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#include "Config.h"
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#include "Log.h"
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#include "FS.h"
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#include "Base.h"
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#include "version.h"
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#include "Transports.h"
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#include "RouterInfo.h"
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#include "RouterContext.h"
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#include "Tunnel.h"
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#include "HTTP.h"
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#include "NetDb.hpp"
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#include "Garlic.h"
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#include "Streaming.h"
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#include "Destination.h"
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#include "HTTPServer.h"
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#include "I2PControl.h"
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#include "ClientContext.h"
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#include "Crypto.h"
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#include "UPnP.h"
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#include "Timestamp.h"
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#include "util.h"
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namespace i2p
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{
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namespace util
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{
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class Daemon_Singleton::Daemon_Singleton_Private
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{
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public:
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Daemon_Singleton_Private() {};
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~Daemon_Singleton_Private() {};
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std::unique_ptr<i2p::http::HTTPServer> httpServer;
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std::unique_ptr<i2p::client::I2PControlService> m_I2PControlService;
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std::unique_ptr<i2p::transport::UPnP> UPnP;
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std::unique_ptr<i2p::util::NTPTimeSync> m_NTPSync;
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};
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Daemon_Singleton::Daemon_Singleton() : isDaemon(false), running(true), d(*new Daemon_Singleton_Private()) {}
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Daemon_Singleton::~Daemon_Singleton() {
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delete &d;
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}
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bool Daemon_Singleton::IsService () const
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{
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bool service = false;
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#ifndef _WIN32
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i2p::config::GetOption("service", service);
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#endif
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return service;
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}
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bool Daemon_Singleton::init(int argc, char* argv[]) {
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return init(argc, argv, nullptr);
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}
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bool Daemon_Singleton::init(int argc, char* argv[], std::shared_ptr<std::ostream> logstream)
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{
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i2p::config::Init();
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i2p::config::ParseCmdline(argc, argv);
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std::string config; i2p::config::GetOption("conf", config);
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std::string datadir; i2p::config::GetOption("datadir", datadir);
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i2p::fs::DetectDataDir(datadir, IsService());
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i2p::fs::Init();
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datadir = i2p::fs::GetDataDir();
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if (config == "")
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{
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config = i2p::fs::DataDirPath("i2pd.conf");
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if (!i2p::fs::Exists (config)) {
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// use i2pd.conf only if exists
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config = ""; /* reset */
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}
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}
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i2p::config::ParseConfig(config);
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i2p::config::Finalize();
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i2p::config::GetOption("daemon", isDaemon);
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std::string logs = ""; i2p::config::GetOption("log", logs);
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std::string logfile = ""; i2p::config::GetOption("logfile", logfile);
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std::string loglevel = ""; i2p::config::GetOption("loglevel", loglevel);
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bool logclftime; i2p::config::GetOption("logclftime", logclftime);
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/* setup logging */
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if (logclftime)
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i2p::log::Logger().SetTimeFormat ("[%d/%b/%Y:%H:%M:%S %z]");
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if (isDaemon && (logs == "" || logs == "stdout"))
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logs = "file";
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i2p::log::Logger().SetLogLevel(loglevel);
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if (logstream) {
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LogPrint(eLogInfo, "Log: will send messages to std::ostream");
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i2p::log::Logger().SendTo (logstream);
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} else if (logs == "file") {
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if (logfile == "")
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logfile = i2p::fs::DataDirPath("i2pd.log");
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LogPrint(eLogInfo, "Log: will send messages to ", logfile);
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i2p::log::Logger().SendTo (logfile);
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#ifndef _WIN32
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} else if (logs == "syslog") {
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LogPrint(eLogInfo, "Log: will send messages to syslog");
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i2p::log::Logger().SendTo("i2pd", LOG_DAEMON);
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#endif
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} else {
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// use stdout -- default
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}
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LogPrint(eLogInfo, "i2pd v", VERSION, " starting");
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LogPrint(eLogDebug, "FS: main config file: ", config);
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LogPrint(eLogDebug, "FS: data directory: ", datadir);
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bool precomputation; i2p::config::GetOption("precomputation.elgamal", precomputation);
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bool aesni; i2p::config::GetOption("cpuext.aesni", aesni);
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bool avx; i2p::config::GetOption("cpuext.avx", avx);
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bool forceCpuExt; i2p::config::GetOption("cpuext.force", forceCpuExt);
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i2p::crypto::InitCrypto (precomputation, aesni, avx, forceCpuExt);
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int netID; i2p::config::GetOption("netid", netID);
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i2p::context.SetNetID (netID);
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i2p::context.Init ();
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bool ipv6; i2p::config::GetOption("ipv6", ipv6);
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bool ipv4; i2p::config::GetOption("ipv4", ipv4);
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#ifdef MESHNET
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// manual override for meshnet
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ipv4 = false;
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ipv6 = true;
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#endif
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uint16_t port; i2p::config::GetOption("port", port);
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if (!i2p::config::IsDefault("port"))
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{
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LogPrint(eLogInfo, "Daemon: accepting incoming connections at port ", port);
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i2p::context.UpdatePort (port);
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}
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i2p::context.SetSupportsV6 (ipv6);
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i2p::context.SetSupportsV4 (ipv4);
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i2p::context.RemoveNTCPAddress (!ipv6); // TODO: remove later
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bool ntcp2; i2p::config::GetOption("ntcp2.enabled", ntcp2);
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if (ntcp2)
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{
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bool published; i2p::config::GetOption("ntcp2.published", published);
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if (published)
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{
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uint16_t ntcp2port; i2p::config::GetOption("ntcp2.port", ntcp2port);
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if (!ntcp2port) ntcp2port = port; // use standard port
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i2p::context.PublishNTCP2Address (ntcp2port, true); // publish
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if (ipv6)
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{
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std::string ipv6Addr; i2p::config::GetOption("ntcp2.addressv6", ipv6Addr);
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auto addr = boost::asio::ip::address_v6::from_string (ipv6Addr);
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if (!addr.is_unspecified () && addr != boost::asio::ip::address_v6::any ())
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i2p::context.UpdateNTCP2V6Address (addr); // set ipv6 address if configured
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}
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}
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else
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i2p::context.PublishNTCP2Address (port, false); // unpublish
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}
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bool transit; i2p::config::GetOption("notransit", transit);
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i2p::context.SetAcceptsTunnels (!transit);
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uint16_t transitTunnels; i2p::config::GetOption("limits.transittunnels", transitTunnels);
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SetMaxNumTransitTunnels (transitTunnels);
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bool isFloodfill; i2p::config::GetOption("floodfill", isFloodfill);
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if (isFloodfill) {
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LogPrint(eLogInfo, "Daemon: router will be floodfill");
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i2p::context.SetFloodfill (true);
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} else {
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i2p::context.SetFloodfill (false);
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}
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/* this section also honors 'floodfill' flag, if set above */
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std::string bandwidth; i2p::config::GetOption("bandwidth", bandwidth);
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if (bandwidth.length () > 0)
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{
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if (bandwidth[0] >= 'K' && bandwidth[0] <= 'X')
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{
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i2p::context.SetBandwidth (bandwidth[0]);
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LogPrint(eLogInfo, "Daemon: bandwidth set to ", i2p::context.GetBandwidthLimit (), "KBps");
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}
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else
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{
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auto value = std::atoi(bandwidth.c_str());
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if (value > 0)
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{
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i2p::context.SetBandwidth (value);
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LogPrint(eLogInfo, "Daemon: bandwidth set to ", i2p::context.GetBandwidthLimit (), " KBps");
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}
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else
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{
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LogPrint(eLogInfo, "Daemon: unexpected bandwidth ", bandwidth, ". Set to 'low'");
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i2p::context.SetBandwidth (i2p::data::CAPS_FLAG_LOW_BANDWIDTH2);
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}
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}
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}
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else if (isFloodfill)
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{
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LogPrint(eLogInfo, "Daemon: floodfill bandwidth set to 'extra'");
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i2p::context.SetBandwidth (i2p::data::CAPS_FLAG_EXTRA_BANDWIDTH1);
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}
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else
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{
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LogPrint(eLogInfo, "Daemon: bandwidth set to 'low'");
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i2p::context.SetBandwidth (i2p::data::CAPS_FLAG_LOW_BANDWIDTH2);
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}
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int shareRatio; i2p::config::GetOption("share", shareRatio);
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i2p::context.SetShareRatio (shareRatio);
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std::string family; i2p::config::GetOption("family", family);
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i2p::context.SetFamily (family);
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if (family.length () > 0)
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LogPrint(eLogInfo, "Daemon: family set to ", family);
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bool trust; i2p::config::GetOption("trust.enabled", trust);
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if (trust)
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{
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LogPrint(eLogInfo, "Daemon: explicit trust enabled");
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std::string fam; i2p::config::GetOption("trust.family", fam);
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std::string routers; i2p::config::GetOption("trust.routers", routers);
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bool restricted = false;
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if (fam.length() > 0)
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{
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std::set<std::string> fams;
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size_t pos = 0, comma;
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do
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{
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comma = fam.find (',', pos);
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fams.insert (fam.substr (pos, comma != std::string::npos ? comma - pos : std::string::npos));
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pos = comma + 1;
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}
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while (comma != std::string::npos);
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i2p::transport::transports.RestrictRoutesToFamilies(fams);
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restricted = fams.size() > 0;
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}
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if (routers.length() > 0) {
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std::set<i2p::data::IdentHash> idents;
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size_t pos = 0, comma;
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do
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{
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comma = routers.find (',', pos);
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i2p::data::IdentHash ident;
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ident.FromBase64 (routers.substr (pos, comma != std::string::npos ? comma - pos : std::string::npos));
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idents.insert (ident);
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pos = comma + 1;
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}
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while (comma != std::string::npos);
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LogPrint(eLogInfo, "Daemon: setting restricted routes to use ", idents.size(), " trusted routers");
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i2p::transport::transports.RestrictRoutesToRouters(idents);
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restricted = idents.size() > 0;
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}
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if(!restricted)
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LogPrint(eLogError, "Daemon: no trusted routers of families specified");
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}
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bool hidden; i2p::config::GetOption("trust.hidden", hidden);
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if (hidden)
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{
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LogPrint(eLogInfo, "Daemon: using hidden mode");
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i2p::data::netdb.SetHidden(true);
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}
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return true;
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}
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bool Daemon_Singleton::start()
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{
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i2p::log::Logger().Start();
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LogPrint(eLogInfo, "Daemon: starting NetDB");
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i2p::data::netdb.Start();
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bool upnp; i2p::config::GetOption("upnp.enabled", upnp);
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if (upnp) {
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d.UPnP = std::unique_ptr<i2p::transport::UPnP>(new i2p::transport::UPnP);
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d.UPnP->Start ();
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}
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bool nettime; i2p::config::GetOption("nettime.enabled", nettime);
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if (nettime)
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{
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d.m_NTPSync = std::unique_ptr<i2p::util::NTPTimeSync>(new i2p::util::NTPTimeSync);
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d.m_NTPSync->Start ();
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}
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bool ntcp2; i2p::config::GetOption("ntcp2.enabled", ntcp2);
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bool ssu; i2p::config::GetOption("ssu", ssu);
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bool checkInReserved; i2p::config::GetOption("reservedrange", checkInReserved);
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LogPrint(eLogInfo, "Daemon: starting Transports");
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if(!ssu) LogPrint(eLogInfo, "Daemon: ssu disabled");
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if(!ntcp2) LogPrint(eLogInfo, "Daemon: ntcp2 disabled");
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i2p::transport::transports.SetCheckReserved(checkInReserved);
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i2p::transport::transports.Start(ntcp2, ssu);
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if (i2p::transport::transports.IsBoundSSU() || i2p::transport::transports.IsBoundNTCP2())
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LogPrint(eLogInfo, "Daemon: Transports started");
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else
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{
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LogPrint(eLogError, "Daemon: failed to start Transports");
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/** shut down netdb right away */
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i2p::transport::transports.Stop();
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i2p::data::netdb.Stop();
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return false;
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}
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bool http; i2p::config::GetOption("http.enabled", http);
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if (http) {
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std::string httpAddr; i2p::config::GetOption("http.address", httpAddr);
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uint16_t httpPort; i2p::config::GetOption("http.port", httpPort);
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LogPrint(eLogInfo, "Daemon: starting webconsole at ", httpAddr, ":", httpPort);
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try
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{
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d.httpServer = std::unique_ptr<i2p::http::HTTPServer>(new i2p::http::HTTPServer(httpAddr, httpPort));
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d.httpServer->Start();
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}
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catch (std::exception& ex)
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{
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LogPrint (eLogError, "Daemon: failed to start webconsole: ", ex.what ());
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ThrowFatal ("Unable to start webconsole at ", httpAddr, ":", httpPort, ": ", ex.what ());
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}
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}
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LogPrint(eLogInfo, "Daemon: starting Tunnels");
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i2p::tunnel::tunnels.Start();
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LogPrint(eLogInfo, "Daemon: starting Client");
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i2p::client::context.Start ();
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// I2P Control Protocol
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bool i2pcontrol; i2p::config::GetOption("i2pcontrol.enabled", i2pcontrol);
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if (i2pcontrol) {
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std::string i2pcpAddr; i2p::config::GetOption("i2pcontrol.address", i2pcpAddr);
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uint16_t i2pcpPort; i2p::config::GetOption("i2pcontrol.port", i2pcpPort);
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LogPrint(eLogInfo, "Daemon: starting I2PControl at ", i2pcpAddr, ":", i2pcpPort);
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try
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{
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d.m_I2PControlService = std::unique_ptr<i2p::client::I2PControlService>(new i2p::client::I2PControlService (i2pcpAddr, i2pcpPort));
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d.m_I2PControlService->Start ();
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}
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catch (std::exception& ex)
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{
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LogPrint (eLogError, "Daemon: failed to start I2PControl: ", ex.what ());
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ThrowFatal ("Unable to start I2PControl service at ", i2pcpAddr, ":", i2pcpPort, ": ", ex.what ());
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}
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}
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return true;
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}
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bool Daemon_Singleton::stop()
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{
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LogPrint(eLogInfo, "Daemon: shutting down");
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LogPrint(eLogInfo, "Daemon: stopping Client");
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i2p::client::context.Stop();
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LogPrint(eLogInfo, "Daemon: stopping Tunnels");
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i2p::tunnel::tunnels.Stop();
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if (d.UPnP)
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{
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d.UPnP->Stop ();
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d.UPnP = nullptr;
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}
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if (d.m_NTPSync)
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{
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d.m_NTPSync->Stop ();
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d.m_NTPSync = nullptr;
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}
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LogPrint(eLogInfo, "Daemon: stopping Transports");
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i2p::transport::transports.Stop();
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LogPrint(eLogInfo, "Daemon: stopping NetDB");
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i2p::data::netdb.Stop();
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if (d.httpServer) {
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LogPrint(eLogInfo, "Daemon: stopping HTTP Server");
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d.httpServer->Stop();
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d.httpServer = nullptr;
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}
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if (d.m_I2PControlService)
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{
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LogPrint(eLogInfo, "Daemon: stopping I2PControl");
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d.m_I2PControlService->Stop ();
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d.m_I2PControlService = nullptr;
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}
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i2p::crypto::TerminateCrypto ();
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i2p::log::Logger().Stop();
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return true;
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}
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}
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}
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