dcrubro/columnlynx
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Removed verification by CA for now, moved to whitelisted_keys (should be simpler). TODO: Move to smart ptrs

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This commit is contained in:
DcruBro
2025-11-28 18:59:55 +01:00
parent e54cce9497
commit dedcc364fb
5 changed files with 50 additions and 142 deletions
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34
src/server/main.cpp
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@@ -10,6 +10,7 @@
#include <columnlynx/server/net/udp/udp_server.hpp>
#include <columnlynx/common/libsodium_wrapper.hpp>
#include <unordered_set>
#include <unordered_map>
#include <cxxopts.hpp>
#include <columnlynx/common/net/virtual_interface.hpp>
@@ -43,16 +44,17 @@ int main(int argc, char** argv) {
("h,help", "Print help")
("4,ipv4-only", "Force IPv4 only operation", cxxopts::value<bool>()->default_value("false"))
#if defined(__APPLE__)
("i,interface", "Override used interface", cxxopts::value<std::string>()->default_value("utun0"));
("i,interface", "Override used interface", cxxopts::value<std::string>()->default_value("utun0"))
#else
("i,interface", "Override used interface", cxxopts::value<std::string>()->default_value("lynx0"));
("i,interface", "Override used interface", cxxopts::value<std::string>()->default_value("lynx0"))
#endif
("config", "Override config file path", cxxopts::value<std::string>()->default_value("./server_config"));
PanicHandler::init();
try {
auto result = options.parse(argc, argv);
if (result.count("help")) {
auto optionsObj = options.parse(argc, argv);
if (optionsObj.count("help")) {
std::cout << options.help() << std::endl;
std::cout << "This software is licensed under the GPLv2-only license OR the GPLv3 license.\n";
std::cout << "Copyright (C) 2025, The ColumnLynx Contributors.\n";
@@ -60,7 +62,7 @@ int main(int argc, char** argv) {
return 0;
}
bool ipv4Only = result["ipv4-only"].as<bool>();
bool ipv4Only = optionsObj["ipv4-only"].as<bool>();
log("ColumnLynx Server, Version " + getVersion());
log("This software is licensed under the GPLv2 only OR the GPLv3. See LICENSES/ for details.");
@@ -69,11 +71,31 @@ int main(int argc, char** argv) {
WintunInitialize();
#endif
std::shared_ptr<VirtualInterface> tun = std::make_shared<VirtualInterface>(result["interface"].as<std::string>());
std::unordered_map<std::string, std::string> config = Utils::getConfigMap(optionsObj["config"].as<std::string>());
std::shared_ptr<VirtualInterface> tun = std::make_shared<VirtualInterface>(optionsObj["interface"].as<std::string>());
log("Using virtual interface: " + tun->getName());
// Generate a temporary keypair, replace with actual CA signed keys later (Note, these are stored in memory)
LibSodiumWrapper sodiumWrapper = LibSodiumWrapper();
auto itPubkey = config.find("SERVER_PUBLIC_KEY");
auto itPrivkey = config.find("SERVER_PRIVATE_KEY");
if (itPubkey != config.end() && itPrivkey != config.end()) {
log("Loading keypair from config file.");
PublicKey pk;
PrivateKey sk;
std::copy_n(Utils::hexStringToBytes(itPrivkey->second).begin(), sk.size(), sk.begin());
std::copy_n(Utils::hexStringToBytes(itPubkey->second).begin(), pk.size(), pk.begin());
sodiumWrapper.setKeys(pk, sk);
} else {
warn("No keypair found in config file! Using random key.");
}
log("Server public key: " + bytesToHexString(sodiumWrapper.getPublicKey(), crypto_sign_PUBLICKEYBYTES));
//log("Server private key: " + bytesToHexString(sodiumWrapper.getPrivateKey(), crypto_sign_SECRETKEYBYTES)); // TEMP, remove later