static string GetClientConfig(KeyData clientKey, string serverKey, string serverIp, string serverPort, string subnet, int ip)
{
var sb = new StringBuilder();
sb.AppendLine("[Interface]");
sb.AppendLine($"PrivateKey = {clientKey.PrivateKey}");
sb.AppendLine($"Address = {GetSubnetIp(subnet, ip++)}/24");
sb.AppendLine("DNS = 94.140.14.14,94.140.15.15");
sb.AppendLine(string.Empty);
sb.AppendLine("[Peer]");
sb.AppendLine($"PublicKey = {serverKey}");
sb.AppendLine($"PresharedKey = {clientKey.PresharedKey}");
sb.AppendLine($"Endpoint = {serverIp}:{serverPort}");
sb.AppendLine("PersistentKeepalive = 25");
sb.AppendLine($"AllowedIPs = {subnet}/24");
return(sb.ToString());
}
static void Main(string[] args)
{
bool needQrCode = false;
try
{
var utf8 = new UTF8Encoding(false);
var configFolder = Path.Combine(Directory.GetCurrentDirectory(), "config");
Console.WriteLine("Config folder: " + configFolder);
if (args.Length == 0)
{
Console.WriteLine("Usage:");
Console.WriteLine("--config <server_ip> <server_port> <subnet> <clients_count>: generate wg config");
Console.WriteLine("--folder <config folder override>");
return;
}
for (int i = 0; i < args.Length; i++)
{
var arg = args[i];
switch (arg)
{
case "--folder":
{
configFolder = args[++i];
Console.WriteLine("configFolder folder override: " + configFolder);
break;
}
case "--routes":
{
Directory.CreateDirectory(configFolder);
var fileName = args[++i];
Console.WriteLine("Resolving dns...");
var hosts = Utils.ReadConsoleLines(true);
ResolveDns(hosts, out string ips_cidr, out string ips_mask);
Console.WriteLine("Saving resolved to files...");
File.WriteAllText(Path.Combine(configFolder, $"cidr_{fileName}.txt"), ips_cidr);
File.WriteAllText(Path.Combine(configFolder, $"mask_{fileName}.txt"), ips_mask);
Console.WriteLine("Done");
break;
}
case "--cidr-convert":
{
Directory.CreateDirectory(configFolder);
var fileName = args[++i];
Console.WriteLine("Converting cidr subnets...");
var cidrSubnets = Utils.ReadConsoleLines(true);
var converted = ConvertCIDR(cidrSubnets);
Console.WriteLine("Saving converted to file...");
File.WriteAllLines(Path.Combine(configFolder, $"{fileName}.txt"), converted);
Console.WriteLine("Done");
break;
}
case "--qrcode":
{
needQrCode = true;
Console.WriteLine("Generating QR codes enabled");
break;
}
case "--config":
{
Directory.CreateDirectory(configFolder);
var serverIp = args[++i];
var serverPort = args[++i];
var subnet = args[++i];
int clients = int.Parse(args[++i]);
if (clients > 254)
{
throw new Exception("No more than 254 clients");
}
Console.WriteLine("Generating configs...");
var serverKeys = KeyData.Generate();
var clientKeys = KeyData.Generate(clients);
for (int j = 0; j < clientKeys.Length; j++)
{
var configName = $"client{j + 1:D3}";
var configData = GetClientConfig(clientKeys[j], serverKeys.PublicKey, serverIp, serverPort, subnet, j + 2);
var configPath = Path.Combine(configFolder, $"{configName}.conf");
File.WriteAllText(configPath, configData, utf8);
if (needQrCode)
{
var configQRPath = Path.Combine(configFolder, $"{configName}.png");
Utils.GenerateQrCode(configData, configQRPath);
}
}
var serverConfigPath = Path.Combine(configFolder, "server.conf");
var serverConfigData = GetServerConfig(serverKeys.PrivateKey, clientKeys, subnet, serverPort);
File.WriteAllText(serverConfigPath, serverConfigData, utf8);
Console.WriteLine("Done");
break;
}
default: throw new Exception("Unknown argument: " + arg);
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
