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Config.cpp
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/*
* Copyright (c) 2013-2022, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
* See full license text in LICENSE file at top of project tree
*/
#include <cstdlib>
#include <iostream>
#include <fstream>
#include <map>
#include <string>
#include <boost/program_options/cmdline.hpp>
#include <boost/program_options/options_description.hpp>
#include <boost/program_options/parsers.hpp>
#include <boost/program_options/variables_map.hpp>
#include "Identity.h"
#include "Config.h"
#include "version.h"
#include "Log.h"
using namespace boost::program_options;
namespace i2p {
namespace config {
options_description m_OptionsDesc;
variables_map m_Options;
void Init()
{
options_description general("General options");
general.add_options()
("help", "Show this message")
("version", "Show i2pd version")
("conf", value<std::string>()->default_value(""), "Path to main i2pd config file (default: try ~/.i2pd/i2pd.conf or /var/lib/i2pd/i2pd.conf)")
("tunconf", value<std::string>()->default_value(""), "Path to config with tunnels list and options (default: try ~/.i2pd/tunnels.conf or /var/lib/i2pd/tunnels.conf)")
("tunnelsdir", value<std::string>()->default_value(""), "Path to extra tunnels' configs folder (default: ~/.i2pd/tunnels.d or /var/lib/i2pd/tunnels.d")
("certsdir", value<std::string>()->default_value(""), "Path to certificates used for verifying .su3, families (default: ~/.i2pd/certificates or /var/lib/i2pd/certificates")
("pidfile", value<std::string>()->default_value(""), "Path to pidfile (default: ~/i2pd/i2pd.pid or /var/lib/i2pd/i2pd.pid)")
("log", value<std::string>()->default_value(""), "Logs destination: stdout, file, syslog (stdout if not set)")
("logfile", value<std::string>()->default_value(""), "Path to logfile (stdout if not set, autodetect if daemon)")
("loglevel", value<std::string>()->default_value("warn"), "Set the minimal level of log messages (debug, info, warn, error, none)")
("logclftime", bool_switch()->default_value(false), "Write full CLF-formatted date and time to log (default: disabled, write only time)")
("family", value<std::string>()->default_value(""), "Specify a family, router belongs to")
("datadir", value<std::string>()->default_value(""), "Path to storage of i2pd data (RI, keys, peer profiles, ...)")
("host", value<std::string>()->default_value("0.0.0.0"), "External IP")
("ifname", value<std::string>()->default_value(""), "Network interface to bind to")
("ifname4", value<std::string>()->default_value(""), "Network interface to bind to for ipv4")
("ifname6", value<std::string>()->default_value(""), "Network interface to bind to for ipv6")
("nat", bool_switch()->default_value(true), "Should we assume we are behind NAT? (default: enabled)")
("port", value<uint16_t>()->default_value(0), "Port to listen for incoming connections (default: auto)")
("ipv4", bool_switch()->default_value(true), "Enable communication through ipv4 (default: enabled)")
("address4", value<std::string>()->default_value(""), "Local address to bind ipv4 transport sockets to")
("ipv6", bool_switch()->default_value(false), "Enable communication through ipv6 (default: disabled)")
("address6", value<std::string>()->default_value(""), "Local address to bind ipv6 transport sockets to")
("reservedrange", bool_switch()->default_value(true), "Check remote RI for being in blacklist of reserved IP ranges (default: enabled)")
("netid", value<int>()->default_value(I2PD_NET_ID), "Specify NetID. Main I2P is 2")
("daemon", bool_switch()->default_value(false), "Router will go to background after start (default: disabled)")
("service", bool_switch()->default_value(false), "Router will use system folders like '/var/lib/i2pd' (default: disabled)")
("notransit", bool_switch()->default_value(false), "Router will not accept transit tunnels at startup (default: disabled)")
("floodfill", bool_switch()->default_value(false), "Router will be floodfill (default: disabled)")
("bandwidth", value<std::string>()->default_value(""), "Transit traffic bandwidth limit: integer in KBps or letters: L (32), O (256), P (2048), X (>9000)")
("share", value<int>()->default_value(100), "Limit of transit traffic from max bandwidth in percents. (default: 100)")
("ntcp", bool_switch()->default_value(false), "Ignored. Always false")
("ssu", bool_switch()->default_value(true), "Enable SSU transport (default: enabled)")
("ntcpproxy", value<std::string>()->default_value(""), "Ignored")
#ifdef _WIN32
("svcctl", value<std::string>()->default_value(""), "Ignored")
("insomnia", bool_switch()->default_value(false), "Prevent system from sleeping (default: disabled)")
("close", value<std::string>()->default_value("ask"), "Action on close: minimize, exit, ask")
#endif
;
options_description limits("Limits options");
limits.add_options()
("limits.coresize", value<uint32_t>()->default_value(0), "Maximum size of corefile in Kb (0 - use system limit)")
("limits.openfiles", value<uint16_t>()->default_value(0), "Maximum number of open files (0 - use system default)")
("limits.transittunnels", value<uint16_t>()->default_value(2500), "Maximum active transit sessions (default:2500)")
("limits.ntcpsoft", value<uint16_t>()->default_value(0), "Threshold to start probabilistic backoff with ntcp sessions (default: use system limit)")
("limits.ntcphard", value<uint16_t>()->default_value(0), "Maximum number of ntcp sessions (default: use system limit)")
("limits.ntcpthreads", value<uint16_t>()->default_value(1), "Maximum number of threads used by NTCP DH worker (default: 1)")
;
options_description httpserver("HTTP Server options");
httpserver.add_options()
("http.enabled", value<bool>()->default_value(true), "Enable or disable webconsole")
("http.address", value<std::string>()->default_value("127.0.0.1"), "Webconsole listen address")
("http.port", value<uint16_t>()->default_value(7070), "Webconsole listen port")
("http.auth", value<bool>()->default_value(false), "Enable Basic HTTP auth for webconsole")
("http.user", value<std::string>()->default_value("i2pd"), "Username for basic auth")
("http.pass", value<std::string>()->default_value(""), "Password for basic auth (default: random, see logs)")
("http.strictheaders", value<bool>()->default_value(true), "Enable strict host checking on WebUI")
("http.hostname", value<std::string>()->default_value("localhost"), "Expected hostname for WebUI")
("http.webroot", value<std::string>()->default_value("/"), "WebUI root path (default: / )")
("http.lang", value<std::string>()->default_value("english"), "WebUI language (default: english )")
;
options_description httpproxy("HTTP Proxy options");
httpproxy.add_options()
("httpproxy.enabled", value<bool>()->default_value(true), "Enable or disable HTTP Proxy")
("httpproxy.address", value<std::string>()->default_value("127.0.0.1"), "HTTP Proxy listen address")
("httpproxy.port", value<uint16_t>()->default_value(4444), "HTTP Proxy listen port")
("httpproxy.keys", value<std::string>()->default_value("transient-proxy"), "File to persist HTTP Proxy keys. Transient by default")
("httpproxy.signaturetype", value<i2p::data::SigningKeyType>()->
default_value(i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519), "Signature type for new keys. 7 (EdDSA) by default")
("httpproxy.inbound.length", value<std::string>()->default_value("3"), "HTTP proxy inbound tunnel length")
("httpproxy.outbound.length", value<std::string>()->default_value("3"), "HTTP proxy outbound tunnel length")
("httpproxy.inbound.quantity", value<std::string>()->default_value("5"), "HTTP proxy inbound tunnels quantity")
("httpproxy.outbound.quantity", value<std::string>()->default_value("5"), "HTTP proxy outbound tunnels quantity")
("httpproxy.inbound.lengthVariance", value<std::string>()->default_value("0"), "HTTP proxy inbound tunnels length variance")
("httpproxy.outbound.lengthVariance", value<std::string>()->default_value("0"), "HTTP proxy outbound tunnels length variance")
("httpproxy.latency.min", value<std::string>()->default_value("0"), "HTTP proxy min latency for tunnels")
("httpproxy.latency.max", value<std::string>()->default_value("0"), "HTTP proxy max latency for tunnels")
("httpproxy.outproxy", value<std::string>()->default_value(""), "HTTP proxy upstream out proxy url")
("httpproxy.addresshelper", value<bool>()->default_value(true), "Enable or disable addresshelper")
("httpproxy.i2cp.leaseSetType", value<std::string>()->default_value("3"), "Local destination's LeaseSet type")
("httpproxy.i2cp.leaseSetEncType", value<std::string>()->default_value("0,4"), "Local destination's LeaseSet encryption type")
("httpproxy.i2cp.leaseSetPrivKey", value<std::string>()->default_value(""), "LeaseSet private key")
;
options_description socksproxy("SOCKS Proxy options");
socksproxy.add_options()
("socksproxy.enabled", value<bool>()->default_value(true), "Enable or disable SOCKS Proxy")
("socksproxy.address", value<std::string>()->default_value("127.0.0.1"), "SOCKS Proxy listen address")
("socksproxy.port", value<uint16_t>()->default_value(4447), "SOCKS Proxy listen port")
("socksproxy.keys", value<std::string>()->default_value("transient-proxy"), "File to persist SOCKS Proxy keys. Transient by default")
("socksproxy.signaturetype", value<i2p::data::SigningKeyType>()->
default_value(i2p::data::SIGNING_KEY_TYPE_EDDSA_SHA512_ED25519), "Signature type for new keys. 7 (EdDSA) by default")
("socksproxy.inbound.length", value<std::string>()->default_value("3"), "SOCKS proxy inbound tunnel length")
("socksproxy.outbound.length", value<std::string>()->default_value("3"), "SOCKS proxy outbound tunnel length")
("socksproxy.inbound.quantity", value<std::string>()->default_value("5"), "SOCKS proxy inbound tunnels quantity")
("socksproxy.outbound.quantity", value<std::string>()->default_value("5"), "SOCKS proxy outbound tunnels quantity")
("socksproxy.inbound.lengthVariance", value<std::string>()->default_value("0"), "SOCKS proxy inbound tunnels length variance")
("socksproxy.outbound.lengthVariance", value<std::string>()->default_value("0"), "SOCKS proxy outbound tunnels length variance")
("socksproxy.latency.min", value<std::string>()->default_value("0"), "SOCKS proxy min latency for tunnels")
("socksproxy.latency.max", value<std::string>()->default_value("0"), "SOCKS proxy max latency for tunnels")
("socksproxy.outproxy.enabled", value<bool>()->default_value(false), "Enable or disable SOCKS outproxy")
("socksproxy.outproxy", value<std::string>()->default_value("127.0.0.1"), "Upstream outproxy address for SOCKS Proxy")
("socksproxy.outproxyport", value<uint16_t>()->default_value(9050), "Upstream outproxy port for SOCKS Proxy")
("socksproxy.i2cp.leaseSetType", value<std::string>()->default_value("3"), "Local destination's LeaseSet type")
("socksproxy.i2cp.leaseSetEncType", value<std::string>()->default_value("0,4"), "Local destination's LeaseSet encryption type")
("socksproxy.i2cp.leaseSetPrivKey", value<std::string>()->default_value(""), "LeaseSet private key")
;
options_description sam("SAM bridge options");
sam.add_options()
("sam.enabled", value<bool>()->default_value(true), "Enable or disable SAM Application bridge")
("sam.address", value<std::string>()->default_value("127.0.0.1"), "SAM listen address")
("sam.port", value<uint16_t>()->default_value(7656), "SAM listen port")
("sam.singlethread", value<bool>()->default_value(true), "Sessions run in the SAM bridge's thread")
;
options_description bob("BOB options");
bob.add_options()
("bob.enabled", value<bool>()->default_value(false), "Enable or disable BOB command channel")
("bob.address", value<std::string>()->default_value("127.0.0.1"), "BOB listen address")
("bob.port", value<uint16_t>()->default_value(2827), "BOB listen port")
;
options_description i2cp("I2CP options");
i2cp.add_options()
("i2cp.enabled", value<bool>()->default_value(false), "Enable or disable I2CP")
("i2cp.address", value<std::string>()->default_value("127.0.0.1"), "I2CP listen address")
("i2cp.port", value<uint16_t>()->default_value(7654), "I2CP listen port")
("i2cp.singlethread", value<bool>()->default_value(true), "Destinations run in the I2CP server's thread")
;
options_description i2pcontrol("I2PControl options");
i2pcontrol.add_options()
("i2pcontrol.enabled", value<bool>()->default_value(false), "Enable or disable I2P Control Protocol")
("i2pcontrol.address", value<std::string>()->default_value("127.0.0.1"), "I2PCP listen address")
("i2pcontrol.port", value<uint16_t>()->default_value(7650), "I2PCP listen port")
("i2pcontrol.password", value<std::string>()->default_value("itoopie"), "I2PCP access password")
("i2pcontrol.cert", value<std::string>()->default_value("i2pcontrol.crt.pem"), "I2PCP connection certificate")
("i2pcontrol.key", value<std::string>()->default_value("i2pcontrol.key.pem"), "I2PCP connection certificate key")
;
bool upnp_default = false;
#if (defined(USE_UPNP) && (defined(WIN32_APP) || defined(ANDROID)))
upnp_default = true; // enable UPNP for windows GUI and android by default
#endif
options_description upnp("UPnP options");
upnp.add_options()
("upnp.enabled", value<bool>()->default_value(upnp_default), "Enable or disable UPnP: automatic port forwarding")
("upnp.name", value<std::string>()->default_value("I2Pd"), "Name i2pd appears in UPnP forwarding list")
;
options_description precomputation("Precomputation options");
precomputation.add_options()
("precomputation.elgamal",
#if defined(__x86_64__)
value<bool>()->default_value(false),
#else
value<bool>()->default_value(true),
#endif
"Enable or disable elgamal precomputation table")
;
options_description reseed("Reseed options");
reseed.add_options()
("reseed.verify", value<bool>()->default_value(false), "Verify .su3 signature")
("reseed.threshold", value<uint16_t>()->default_value(25), "Minimum number of known routers before requesting reseed")
("reseed.floodfill", value<std::string>()->default_value(""), "Path to router info of floodfill to reseed from")
("reseed.file", value<std::string>()->default_value(""), "Path to local .su3 file or HTTPS URL to reseed from")
("reseed.zipfile", value<std::string>()->default_value(""), "Path to local .zip file to reseed from")
("reseed.proxy", value<std::string>()->default_value(""), "url for reseed proxy, supports http/socks")
("reseed.urls", value<std::string>()->default_value(
"https://reseed2.i2p.net/,"
"https://reseed.diva.exchange/,"
"https://reseed-fr.i2pd.xyz/,"
"https://reseed.memcpy.io/,"
"https://reseed.onion.im/,"
"https://i2pseed.creativecowpat.net:8443/,"
"https://reseed.i2pgit.org/,"
"https://i2p.novg.net/,"
"https://banana.incognet.io/,"
"https://reseed-pl.i2pd.xyz/"
), "Reseed URLs, separated by comma")
("reseed.yggurls", value<std::string>()->default_value(
"http://[324:71e:281a:9ed3::ace]:7070/,"
"http://[301:65b9:c7cd:9a36::1]:18801/,"
"http://[320:8936:ec1a:31f1::216]/,"
"http://[306:3834:97b9:a00a::1]/,"
"http://[316:f9e0:f22e:a74f::216]/"
), "Reseed URLs through the Yggdrasil, separated by comma")
;
options_description addressbook("AddressBook options");
addressbook.add_options()
("addressbook.defaulturl", value<std::string>()->default_value(
"http://shx5vqsw7usdaunyzr2qmes2fq37oumybpudrd4jjj4e4vk4uusa.b32.i2p/hosts.txt"
), "AddressBook subscription URL for initial setup")
("addressbook.subscriptions", value<std::string>()->default_value(
"http://reg.i2p/hosts.txt"
), "AddressBook subscriptions URLs, separated by comma")
("addressbook.hostsfile", value<std::string>()->default_value(""), "File to dump addresses in hosts.txt format");
options_description trust("Trust options");
trust.add_options()
("trust.enabled", value<bool>()->default_value(false), "Enable explicit trust options")
("trust.family", value<std::string>()->default_value(""), "Router Family to trust for first hops")
("trust.routers", value<std::string>()->default_value(""), "Only Connect to these routers")
("trust.hidden", value<bool>()->default_value(false), "Should we hide our router from other routers?")
;
// Save deprecated websocket options for compatibility
options_description websocket("Websocket Options");
websocket.add_options()
("websockets.enabled", value<bool>()->default_value(false), "Deprecated option")
("websockets.address", value<std::string>()->default_value(""), "Deprecated option")
("websockets.port", value<uint16_t>()->default_value(0), "Deprecated option")
;
options_description exploratory("Exploratory Options");
exploratory.add_options()
("exploratory.inbound.length", value<int>()->default_value(2), "Exploratory inbound tunnel length")
("exploratory.outbound.length", value<int>()->default_value(2), "Exploratory outbound tunnel length")
("exploratory.inbound.quantity", value<int>()->default_value(3), "Exploratory inbound tunnels quantity")
("exploratory.outbound.quantity", value<int>()->default_value(3), "Exploratory outbound tunnels quantity")
;
options_description ntcp2("NTCP2 Options");
ntcp2.add_options()
("ntcp2.enabled", value<bool>()->default_value(true), "Enable NTCP2 (default: enabled)")
("ntcp2.published", value<bool>()->default_value(true), "Publish NTCP2 (default: enabled)")
("ntcp2.port", value<uint16_t>()->default_value(0), "Port to listen for incoming NTCP2 connections (default: auto)")
("ntcp2.addressv6", value<std::string>()->default_value("::"), "Address to publish NTCP2 with")
("ntcp2.proxy", value<std::string>()->default_value(""), "Proxy URL for NTCP2 transport")
;
options_description ssu2("SSU2 Options");
ntcp2.add_options()
("ssu2.enabled", value<bool>()->default_value(false), "Enable SSU2 (default: disabled)")
("ssu2.port", value<uint16_t>()->default_value(0), "Port to listen for incoming SSU2 packets (default: auto)")
;
options_description nettime("Time sync options");
nettime.add_options()
("nettime.enabled", value<bool>()->default_value(false), "Disable time sync (default: disabled)")
("nettime.ntpservers", value<std::string>()->default_value(
"0.pool.ntp.org,"
"1.pool.ntp.org,"
"2.pool.ntp.org,"
"3.pool.ntp.org"
), "Comma separated list of NTP servers")
("nettime.ntpsyncinterval", value<int>()->default_value(72), "NTP sync interval in hours (default: 72)")
("nettime.frompeers", value<bool>()->default_value(true), "Sync clock from transport peers (default: enabled)")
;
options_description persist("Network information persisting options");
persist.add_options()
("persist.profiles", value<bool>()->default_value(true), "Persist peer profiles (default: true)")
("persist.addressbook", value<bool>()->default_value(true), "Persist full addresses (default: true)")
;
options_description cpuext("CPU encryption extensions options");
cpuext.add_options()
("cpuext.aesni", bool_switch()->default_value(true), "Use auto detection for AESNI CPU extensions. If false, AESNI will be not used")
("cpuext.avx", bool_switch()->default_value(true), "Use auto detection for AVX CPU extensions. If false, AVX will be not used")
("cpuext.force", bool_switch()->default_value(false), "Force usage of CPU extensions. Useful when cpuinfo is not available on virtual machines")
;
options_description meshnets("Meshnet transports options");
meshnets.add_options()
("meshnets.yggdrasil", bool_switch()->default_value(false), "Support transports through the Yggdrasil (default: false)")
("meshnets.yggaddress", value<std::string>()->default_value(""), "Yggdrasil address to publish")
;
m_OptionsDesc
.add(general)
.add(limits)
.add(httpserver)
.add(httpproxy)
.add(socksproxy)
.add(sam)
.add(bob)
.add(i2cp)
.add(i2pcontrol)
.add(upnp)
.add(precomputation)
.add(reseed)
.add(addressbook)
.add(trust)
.add(websocket) // deprecated
.add(exploratory)
.add(ntcp2)
.add(ssu2)
.add(nettime)
.add(persist)
.add(cpuext)
.add(meshnets)
;
}
void ParseCmdline(int argc, char* argv[], bool ignoreUnknown)
{
try
{
auto style = boost::program_options::command_line_style::unix_style
| boost::program_options::command_line_style::allow_long_disguise;
style &= ~ boost::program_options::command_line_style::allow_guessing;
if (ignoreUnknown)
store(command_line_parser(argc, argv).options(m_OptionsDesc).style (style).allow_unregistered().run(), m_Options);
else
store(parse_command_line(argc, argv, m_OptionsDesc, style), m_Options);
}
catch (boost::program_options::error& e)
{
ThrowFatal ("Error while parsing arguments: ", e.what());
std::cerr << "args: " << e.what() << std::endl;
exit(EXIT_FAILURE);
}
if (!ignoreUnknown && (m_Options.count("help") || m_Options.count("h")))
{
std::cout << "i2pd version " << I2PD_VERSION << " (" << I2P_VERSION << ")" << std::endl;
std::cout << m_OptionsDesc;
exit(EXIT_SUCCESS);
}
else if (m_Options.count("version"))
{
std::cout << "i2pd version " << I2PD_VERSION << " (" << I2P_VERSION << ")" << std::endl;
std::cout << "Boost version "
<< BOOST_VERSION / 100000 << "." // maj. version
<< BOOST_VERSION / 100 % 1000 << "." // min. version
<< BOOST_VERSION % 100 // patch version
<< std::endl;
#if defined(OPENSSL_VERSION_TEXT)
std::cout << OPENSSL_VERSION_TEXT << std::endl;
#endif
#if defined(LIBRESSL_VERSION_TEXT)
std::cout << LIBRESSL_VERSION_TEXT << std::endl;
#endif
exit(EXIT_SUCCESS);
}
}
void ParseConfig(const std::string& path)
{
if (path == "") return;
std::ifstream config(path, std::ios::in);
if (!config.is_open())
{
ThrowFatal ("Missing or unreadable config file: ", path);
std::cerr << "missing/unreadable config file: " << path << std::endl;
exit(EXIT_FAILURE);
}
try
{
store(boost::program_options::parse_config_file(config, m_OptionsDesc), m_Options);
}
catch (boost::program_options::error& e)
{
ThrowFatal ("Error while parsing config file: ", e.what());
std::cerr << e.what() << std::endl;
exit(EXIT_FAILURE);
};
}
void Finalize()
{
notify(m_Options);
}
bool IsDefault(const char *name)
{
if (!m_Options.count(name))
throw "try to check non-existent option";
if (m_Options[name].defaulted())
return true;
return false;
}
bool GetOptionAsAny(const char *name, boost::any& value)
{
if (!m_Options.count(name))
return false;
value = m_Options[name];
return true;
}
bool GetOptionAsAny(const std::string& name, boost::any& value)
{
return GetOptionAsAny (name.c_str (), value);
}
} // namespace config
} // namespace i2p