/*
* Copyright (c) 2013-2016, 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 "Config.h"
#include "version.h"
using namespace boost::program_options;
namespace i2p {
namespace config {
options_description m_OptionsDesc;
variables_map m_Options;
/* list of renamed options */
std::map<std::string, std::string> remapped_options = {
{ "tunnelscfg", "tunconf" },
{ "v6", "ipv6" },
{ "httpaddress", "http.address" },
{ "httpport", "http.port" },
{ "httpproxyaddress", "httpproxy.address" },
{ "httpproxyport", "httpproxy.port" },
{ "socksproxyaddress", "socksproxy.address" },
{ "socksproxyport", "socksproxy.port" },
{ "samaddress", "sam.address" },
{ "samport", "sam.port" },
{ "bobaddress", "bob.address" },
{ "bobport", "bob.port" },
{ "i2pcontroladdress", "i2pcontrol.address" },
{ "i2pcontroladdress", "i2pcontrol.port" },
{ "proxykeys", "httpproxy.keys" },
};
/* list of options, that loose their argument and become simple switch */
std::set<std::string> boolean_options = {
"daemon", "floodfill", "notransit", "service", "ipv6"
};
/* this function is a solid piece of shit, remove it after 2.6.0 */
std::pair<std::string, std::string> old_syntax_parser(const std::string& s) {
std::string name = "";
std::string value = "";
std::size_t pos = 0;
/* shortcuts -- -h */
if (s.length() == 2 && s.at(0) == '-' && s.at(1) != '-')
return make_pair(s.substr(1), "");
/* old-style -- -log, /log, etc */
if (s.at(0) == '/' || (s.at(0) == '-' && s.at(1) != '-')) {
if ((pos = s.find_first_of("= ")) != std::string::npos) {
name = s.substr(1, pos - 1);
value = s.substr(pos + 1);
} else {
name = s.substr(1, pos);
value = "";
}
if (boolean_options.count(name) > 0 && value != "")
std::cerr << "args: don't give an argument to switch option: " << s << std::endl;
if (m_OptionsDesc.find_nothrow(name, false)) {
std::cerr << "args: option " << s << " style is DEPRECATED, use --" << name << " instead" << std::endl;
return std::make_pair(name, value);
}
if (remapped_options.count(name) > 0) {
name = remapped_options[name];
std::cerr << "args: option " << s << " is DEPRECATED, use --" << name << " instead" << std::endl;
return std::make_pair(name, value);
} /* else */
}
/* long options -- --help */
if (s.substr(0, 2) == "--") {
if ((pos = s.find_first_of("= ")) != std::string::npos) {
name = s.substr(2, pos - 2);
value = s.substr(pos + 1);
} else {
name = s.substr(2, pos);
value = "";
}
if (boolean_options.count(name) > 0 && value != "") {
std::cerr << "args: don't give an argument to switch option: " << s << std::endl;
value = "";
}
if (m_OptionsDesc.find_nothrow(name, false))
return std::make_pair(name, value);
if (remapped_options.count(name) > 0) {
name = remapped_options[name];
std::cerr << "args: option " << s << " is DEPRECATED, use --" << name << " instead" << std::endl;
return std::make_pair(name, value);
} /* else */
}
std::cerr << "args: unknown option -- " << s << std::endl;
return std::make_pair("", "");
}
void Init() {
options_description general("General options");
general.add_options()
("help", "Show this message")
("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)")
("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("info"), "Set the minimal level of log messages (debug, info, warn, error)")
("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")
("port", value<uint16_t>()->default_value(0), "Port to listen for incoming connections (default: auto)")
("ipv4", value<bool>()->zero_tokens()->default_value(true), "Enable communication through ipv4")
("ipv6", value<bool>()->zero_tokens()->default_value(false), "Enable communication through ipv6")
("daemon", value<bool>()->zero_tokens()->default_value(false), "Router will go to background after start")
("service", value<bool>()->zero_tokens()->default_value(false), "Router will use system folders like '/var/lib/i2pd'")
("notransit", value<bool>()->zero_tokens()->default_value(false), "Router will not accept transit tunnels at startup")
("floodfill", value<bool>()->zero_tokens()->default_value(false), "Router will be floodfill")
("bandwidth", value<std::string>()->default_value(""), "Bandwidth limit: integer in kbps or letters: L (32), O (256), P (2048), X (>9000)")
#ifdef _WIN32
("svcctl", value<std::string>()->default_value(""), "Windows service management ('install' or 'remove')")
("insomnia", value<bool>()->zero_tokens()->default_value(false), "Prevent system from sleeping")
("close", value<std::string>()->default_value("ask"), "Action on close: minimize, exit, ask") // TODO: add custom validator or something
#endif
;
options_description limits("Limits options");
limits.add_options()
("limits.transittunnels", value<uint16_t>()->default_value(2500), "Maximum active transit sessions (default:2500)")
;
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)")
;
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(""), "File to persist HTTP Proxy keys")
;
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(""), "File to persist SOCKS Proxy keys")
("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")
;
options_description sam("SAM bridge options");
sam.add_options()
("sam.enabled", value<bool>()->default_value(false), "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")
;
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 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 cerificate")
("i2pcontrol.key", value<std::string>()->default_value("i2pcontrol.key.pem"), "I2PCP connection cerificate key")
;
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")
;
m_OptionsDesc
.add(general)
.add(limits)
.add(httpserver)
.add(httpproxy)
.add(socksproxy)
.add(sam)
.add(bob)
.add(i2pcontrol)
.add(precomputation)
;
}
void ParseCmdline(int argc, char* argv[]) {
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;
store(parse_command_line(argc, argv, m_OptionsDesc, style, old_syntax_parser), m_Options);
} catch (boost::program_options::error& e) {
std::cerr << "args: " << e.what() << std::endl;
exit(EXIT_FAILURE);
}
if (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);
}
}
void ParseConfig(const std::string& path) {
if (path == "") return;
std::ifstream config(path, std::ios::in);
if (!config.is_open())
{
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)
{
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;
}
} // namespace config
} // namespace i2p