#include "config.hpp" #include #include #include #include "fs.hpp" #include "ini.hpp" #include "logger.hpp" #include "mem.hpp" namespace llarp { template < typename Config, typename Section > static const Section & find_section(Config &c, const std::string &name, const Section &fallback) { if(c.sections.find(name) == c.sections.end()) return fallback; return c.sections[name].values; } bool Config::Load(const char *fname) { std::ifstream f; f.open(fname); if(f.is_open()) { ini::Parser parser(f); auto &top = parser.top(); router = find_section(top, "router", section_t{}); network = find_section(top, "network", section_t{}); connect = find_section(top, "connect", section_t{}); netdb = find_section(top, "netdb", section_t{}); dns = find_section(top, "dns", section_t{}); iwp_links = find_section(top, "bind", section_t{}); services = find_section(top, "services", section_t{}); dns = find_section(top, "dns", section_t{}); system = find_section(top, "system", section_t{}); return true; } return false; }; } // namespace llarp extern "C" { void llarp_new_config(struct llarp_config **conf) { llarp_config *c = new llarp_config(); *conf = c; } void llarp_free_config(struct llarp_config **conf) { if(*conf) delete *conf; *conf = nullptr; } int llarp_load_config(struct llarp_config *conf, const char *fname) { if(!conf->impl.Load(fname)) return -1; return 0; } void llarp_config_iter(struct llarp_config *conf, struct llarp_config_iterator *iter) { iter->conf = conf; std::map< std::string, llarp::Config::section_t & > sections = { {"network", conf->impl.network}, {"connect", conf->impl.connect}, {"system", conf->impl.system}, {"bind", conf->impl.iwp_links}, {"netdb", conf->impl.netdb}, {"dns", conf->impl.dns}, {"services", conf->impl.services}}; for(const auto item : conf->impl.router) iter->visit(iter, "router", item.first.c_str(), item.second.c_str()); for(const auto section : sections) for(const auto item : section.second) iter->visit(iter, section.first.c_str(), item.first.c_str(), item.second.c_str()); } bool llarp_ensure_config(const char *fname) { std::error_code ec; if(fs::exists(fname, ec)) return true; if(ec) { llarp::LogError(ec); return false; } std::ofstream f(fname); if(!f.is_open()) { llarp::LogError("failed to open ", fname, " for writing"); return false; } f << "# this configuration was auto generated with 'sane' defaults" << std::endl; f << "# change these values as desired" << std::endl; f << std::endl << std::endl; f << "# router settings block" << std::endl; f << "[router]" << std::endl; f << "# uncomment these to manually set public address and port" << std::endl; f << "# this is required on providers like AWS because of their firewall " "rules" << std::endl; f << "# public-address=your.ip.goes.here" << std::endl; f << "# public-port=1090" << std::endl; f << std::endl; f << "# number of crypto worker threads " << std::endl; f << "threads=4" << std::endl; f << "# path to store signed RC" << std::endl; f << "contact-file=self.signed" << std::endl; f << "# path to store transport private key" << std::endl; f << "transport-privkey=transport.private" << std::endl; f << "# path to store identity signing key" << std::endl; f << "identity-privkey=identity.private" << std::endl; f << "# path to store signed RC" << std::endl; f << "contact-file=self.signed" << std::endl; f << std::endl; f << "# uncomment following line to set router nickname to 'lokinet'" << std::endl; f << "# nickname=lokinet" << std::endl; f << std::endl << std::endl; f << "# system settings for priviledges and such" << std::endl; f << "[system]" << std::endl; #ifdef _WIN32 f << "# "; #endif f << "user=" << DEFAULT_LOKINET_USER << std::endl; #ifdef _WIN32 f << "# "; #endif f << "group=" << DEFAULT_LOKINET_GROUP << std::endl; f << std::endl << std::endl; f << "# dns provider configuration section" << std::endl; f << "[dns]" << std::endl; f << "# opennic us resolver" << std::endl; f << "upstream=" << DEFAULT_RESOLVER_US << std::endl; f << "# opennic eu resolver" << std::endl; f << "upstream=" << DEFAULT_RESOLVER_EU << std::endl; f << "# opennic au resolver" << std::endl; f << "upstream=" << DEFAULT_RESOLVER_AU << std::endl; f << "bind=127.3.2.1:53" << std::endl; f << std::endl << std::endl; f << "# network database settings block " << std::endl; f << "[netdb]" << std::endl; f << "# directory for network database skiplist storage" << std::endl; f << "dir=netdb" << std::endl; f << std::endl << std::endl; f << "# publish network interfaces for handling inbound traffic" << std::endl; f << "[bind]" << std::endl; std::string ifname; if(llarp::GetBestNetIF(ifname, AF_INET)) f << ifname << "=1090" << std::endl; else f << "# could not autodetect network interface" << std::endl << "# eth0=1090" << std::endl; f << std::endl; llarp::LogInfo("Generated new config ", fname); return true; } }