using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Security.AccessControl;
using System.Security.Principal;
using Microsoft.Win32;
using Microsoft.Win32.Security;

namespace install_wim_tweak
{
    class Program
    {
        const string HIVE_MOUNT_DIR = "windows6_x_software";
        static string _pkgDirectory = HIVE_MOUNT_DIR + "\\Microsoft\\Windows\\CurrentVersion\\Component Based Servicing\\";
        const string HIVE_MOUNT_POINT = "HKLM\\" + HIVE_MOUNT_DIR;
        const string REGISTRY_PATH = "Windows\\system32\\config\\SOFTWARE";

        static readonly string ProgramHeader =
        "-------------------------------------------\n" +
        "--------Registry Tweak Tool v" + System.Reflection.Assembly.GetExecutingAssembly().GetName().Version + "-------\n" +
        "---------------for Windows 6.x-------------\n" +
        "---------Created by Michał Wnuowski--------\n" +
        "-----Concept by Aviv00@msfn / lite8@MDL----\n" +
        "-----------Modified by Legolash2o----------\n" +
        "-------------------------------------------\n\n";

        const String PROGRAM_HELP_INFO =
        "USAGE : \n" +
        "   install_wim_tweak [/p <Path>] [/c <PackageName> (optional)] [/?]\n\n" +
        "REMARKS : \n" +
        "   /p<Path>     Use '/p' switch to provide path to mounted install.wim\n" +
        "   /o           Use '/o' to run on current Windows\n" +
        "   /c <ComponentName>  Use '/c' to show a specific package\n" +
        "   /?           Use '/?' switch to display this info\n" +
        "   /l           Outputs all packages to \"Packages.txt\"\n" +
        "EXAMPLE : \n" +
        "    install_wim_tweak /p C:\\temp files\\mount\n" +
        "    install_wim_tweak /c Microsoft-Hyper-V-Common-Drivers-Package";


        static bool _failed;
        static string _bkpFile;
        static string _hiveFileInfo;
        static string _comp = "";
        static Dictionary<char, string> _cmdLineArgs;
        static bool _online;
        static readonly string PackLog = Environment.CurrentDirectory + "\\Packages.txt";
        static string _cr = "";
        static bool _vis;

        //static Sid SysUser = new Sid();

        static void Main(string[] args)
        {
            Console.ForegroundColor = ConsoleColor.White;
            Console.Write(ProgramHeader);
            Console.ResetColor();

            try
            {
                _cmdLineArgs = ProcessCmdArgs(args, new char[] { 'p', '?', 'c', 'o', 'l', 'r', 'n', 'h', 'd' });


                if (_cmdLineArgs.ContainsKey('?'))
                {

                    Console.Write(PROGRAM_HELP_INFO);
                    Console.ForegroundColor = ConsoleColor.Cyan;
                    Console.Write("\nPlease make sure you use lowercase for the /p, /c, /o and /l");
                    Console.ResetColor();
                    Environment.Exit(1);
                }


                if (_cmdLineArgs.ContainsKey('c'))
                {
                    if (!string.IsNullOrEmpty(_cmdLineArgs['c']))
                    {
                        _comp = Path.Combine(_cmdLineArgs['c'], "");
                    }
                    else
                    {
                        Console.ForegroundColor = ConsoleColor.White;
                        Console.WriteLine("Type the name of the package, if nothing is entered all packages will be made visible :");
                        Console.ForegroundColor = ConsoleColor.Cyan;
                        _comp = Path.Combine(Console.ReadLine(), "");
                    }
                    Console.ResetColor();
                }

                if (_cmdLineArgs.ContainsKey('o'))
                {
                    _hiveFileInfo = Path.Combine(System.IO.Path.GetPathRoot(Environment.SystemDirectory), REGISTRY_PATH);
                    Console.ForegroundColor = ConsoleColor.Cyan;
                    Console.WriteLine("MountPath : Online");
                    Console.ResetColor();
                    _pkgDirectory = _pkgDirectory.Replace("windows6_x_software", "Software");
                    _online = true;
                }

                if (_cmdLineArgs.ContainsKey('h'))
                {
                    _vis = true;
                }

                if (!_cmdLineArgs.ContainsKey('o'))
                {
                    if (!_cmdLineArgs.ContainsKey('p'))
                    {
                        Console.ForegroundColor = ConsoleColor.White;
                        Console.WriteLine("Type path to mounted install.wim :");
                        Console.ForegroundColor = ConsoleColor.Cyan;
                        _hiveFileInfo = Path.Combine(Console.ReadLine(), REGISTRY_PATH);

                        if (_hiveFileInfo.Substring(0, _hiveFileInfo.Length - REGISTRY_PATH.Length).Length == 3)
                        {
                            Console.WriteLine("MountPath : Online");
                            _pkgDirectory = _pkgDirectory.Replace("windows6_x_software", "Software");
                            _online = true;
                        }
                        else
                        {
                            Console.WriteLine("MountPath : {0}", "\"" + _hiveFileInfo.Substring(0, _hiveFileInfo.Length - REGISTRY_PATH.Length) + "\"");
                            _online = false;
                        }
                        Console.ResetColor();
                    }
                    else
                    {
                        _hiveFileInfo = Path.Combine(_cmdLineArgs['p'], REGISTRY_PATH);
                        Console.ForegroundColor = ConsoleColor.Cyan;
                        if (_cmdLineArgs['p'].Length == 3)
                        {
                            Console.WriteLine("MountPath : Online");
                            _pkgDirectory = _pkgDirectory.Replace("windows6_x_software", "Software");
                            _online = true;
                        }
                        else
                        {
                            Console.WriteLine("MountPath : {0}", "\"" + _cmdLineArgs['p'] + "\"");
                            _online = false;
                        }

                        Console.ResetColor();
                    }
                }

                if (string.IsNullOrEmpty(_hiveFileInfo))
                    Environment.Exit(-2);

                if (!File.Exists(_hiveFileInfo))
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("Registry file not found, please make sure your mount path is correct!");
                    Console.ResetColor();
                    _failed = true;
                    Environment.Exit(-532459699);
                }

                if (!string.IsNullOrEmpty(_comp))
                {
                    string T = _comp;
                    while (T.Contains("~"))
                    {
                        T = T.Substring(0, T.Length - 1);
                    }
                    Console.ForegroundColor = ConsoleColor.Cyan;
                    Console.WriteLine("Component : " + "\"" + T + "\"");
                    Console.ResetColor();
                }

                Console.ForegroundColor = ConsoleColor.White;
                Console.WriteLine("\n------------------Starting-----------------");
                Console.ResetColor();
                if (_online == false)
                {
                    if (!_cmdLineArgs.ContainsKey('l') && !_cmdLineArgs.ContainsKey('n'))
                    {
                        Console.Write("Creating BKP of registry file...         ");
                        _bkpFile = Path.Combine(Environment.CurrentDirectory, "SOFTWAREBKP");
                        if (!File.Exists(_bkpFile))
                        {
                            File.Copy(_hiveFileInfo, _bkpFile, true);
                        }
                        Console.ForegroundColor = ConsoleColor.Green;
                        Console.WriteLine("OK");
                        Console.ResetColor();
                    }

                    Console.Write("Mounting registry file...                ");
                    if (!Contains<string[], string>(Registry.LocalMachine.GetSubKeyNames(), HIVE_MOUNT_DIR))
                    {
                        if (!LoadHive(_hiveFileInfo, HIVE_MOUNT_POINT))
                        {
                            Console.ForegroundColor = ConsoleColor.Red;
                            Console.WriteLine("FAIL");
                            Console.ResetColor();
                            _failed = true;
                            Ending();
                        }
                    }

                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.WriteLine("OK");
                    Console.ResetColor();
                }

                if (_cmdLineArgs.ContainsKey('l'))
                {
                    Console.Write("Writing to Log (Packages.txt)         ");
                    if (File.Exists(PackLog)) { File.Delete(PackLog); }
                    ListComponentSubkeys(_pkgDirectory + "Packages\\");
                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.Write("OK");
                    Console.ResetColor();
                    Ending();
                }

                Console.Write("Taking Ownership...                      ");

                var myProcToken = new AccessTokenProcess(Process.GetCurrentProcess().Id, TokenAccessType.TOKEN_ALL_ACCESS | TokenAccessType.TOKEN_ADJUST_PRIVILEGES);
                myProcToken.EnablePrivilege(new TokenPrivilege(TokenPrivilege.SE_TAKE_OWNERSHIP_NAME, true));


                if (Win32.GetLastError() != 0)
                {
                    Console.ForegroundColor = ConsoleColor.Red;
                    Console.WriteLine("FAIL");
                    Console.WriteLine("You must be logged as Administrator.");
                    Console.ResetColor();
                    _failed = true;
                    Ending();
                }

                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("OK");
                Console.ResetColor();


                Console.Write("Editing \'Packages\' subkeys            ");
                try
                {
                    if (CleanComponentSubkeys(_pkgDirectory + "Packages\\", _comp))
                    {
                        Console.ForegroundColor = ConsoleColor.Green;
                        Console.WriteLine("OK");
                        Console.ResetColor();
                    }
                }
                catch { }
                if (_online == false)
                {
                    Console.Write("Editing \'PackagesPending\' subkeys     ");
                    try
                    {
                        if (CleanComponentSubkeys(_pkgDirectory + "PackagesPending\\", _comp))
                        {
                            Console.ForegroundColor = ConsoleColor.Green;
                            Console.WriteLine("OK");
                            Console.ResetColor();
                        }
                    }
                    catch { }
                }



                Console.ForegroundColor = ConsoleColor.Green;
                Console.WriteLine("Modifying registry completed sucessfully.");
                Console.ResetColor();

                if (_cmdLineArgs.ContainsKey('r'))
                {

                    if (Contains<string[], string>(Microsoft.Win32.Registry.LocalMachine.GetSubKeyNames(), HIVE_MOUNT_DIR))
                    {
                        Console.Write("Unmounting key...                        ");
                        if (!UnloadHive(HIVE_MOUNT_POINT))
                        {
                            Console.ForegroundColor = ConsoleColor.Red;
                            Console.WriteLine("FAIL");
                            Console.WriteLine("You must unmount registry hive manually.");
                            Console.WriteLine("Hit any key to close.");
                            Console.ResetColor();
                            Console.ReadKey();
                            Environment.Exit(-3);
                        }
                        Console.ForegroundColor = ConsoleColor.Green;
                        Console.WriteLine("OK");
                        Console.ResetColor();

                    }

                    Console.Write("Removing \'Packages\'...                ");
                    if (RemoveComponentSubkeys(_pkgDirectory + "Packages\\", _comp))
                    {
                        Console.ForegroundColor = ConsoleColor.Green;
                        Console.WriteLine("OK");
                        Console.WriteLine("Removed packages successfully.");
                        Console.ResetColor();
                    }

                    Console.Write("Removing \'PackagesPending\'...         ");
                    if (RemoveComponentSubkeys(_pkgDirectory + "Packages\\", _comp))
                    {
                        Console.ForegroundColor = ConsoleColor.Green;
                        Console.WriteLine("OK");
                        Console.WriteLine("Removed packages successfully.");
                        Console.ResetColor();
                    }

                }

                Ending();

            }
            catch (Exception ex)
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("FAIL");
                Console.WriteLine("Unhandled error occured.");
                Console.ResetColor();
                Console.WriteLine(ex.Message);
                _failed = true;
                Ending();
            }

        }

        static bool RemoveComponentSubkeys(string registryPath, string Comp)
        {
            int consoleX = 0; int consoleY = 0;
            try
            {
                consoleX = Console.CursorLeft; consoleY = Console.CursorTop;
            }
            catch { }


            int count = 1;
            int tot = 0;
            string PackL = _hiveFileInfo;
            while (!PackL.EndsWith("\\Windows\\"))
            {
                PackL = PackL.Substring(0, PackL.Length - 1);
            }
            PackL = PackL.Replace("Windows\\", "");

            foreach (string subkeyname in _cr.Split(Environment.NewLine.ToCharArray()))
            {
                if (Comp != null && (subkeyname.StartsWith(Comp) && !string.IsNullOrEmpty(Comp)))
                {
                    tot += 1;
                }
            }
            foreach (string subkeyname in _cr.Split(Environment.NewLine.ToCharArray()))
            {
                if (subkeyname.StartsWith(Comp) && !string.IsNullOrEmpty(Comp))
                {
                    CorrectConsolePostion(tot, consoleY, consoleX);


                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.Write("{0}/{1}", count, tot);
                    Console.ResetColor();
                    try
                    {
                        Process RC = new Process();
                        RC.StartInfo.FileName = "pkgmgr.exe";
                        if (_online == false)
                        {
                            RC.StartInfo.Arguments = "/o:" + "\"" + PackL + ";" + PackL + "Windows" + "\"" + " /up:" + subkeyname + " /norestart /quiet";
                        }
                        else
                        {
                            RC.StartInfo.Arguments = "/up:" + subkeyname + " /norestart /quiet";
                        }
                        RC.StartInfo.WindowStyle = ProcessWindowStyle.Normal;
                        RC.Start();
                        RC.WaitForExit();
                    }
                    catch (Exception Ex) { Console.WriteLine(Ex.Message); }
                    count++;
                }
            }

            return true;
        }

        static bool ListComponentSubkeys(string registryPath)
        {
            int consoleX = 0; int consoleY = 0;
            try
            {
                consoleX = Console.CursorLeft; consoleY = Console.CursorTop;
            }
            catch { }

            RegistryKey MyKey = Registry.LocalMachine.OpenSubKey(registryPath);
            int count = 1;
            int tot = 0;
            string PackL = "";

            foreach (string subkeyname in MyKey.GetSubKeyNames())
            {
                if (!subkeyname.StartsWith("Package"))
                {
                    tot += 1;
                }
            }
            foreach (string subkeyname in MyKey.GetSubKeyNames())
            {
                if (!subkeyname.StartsWith("Package"))
                {
                    CorrectConsolePostion(tot, consoleY, consoleX);


                    Console.ForegroundColor = ConsoleColor.Yellow;
                    Console.Write("{0}/{1}", count, tot);
                    Console.ResetColor();
                    PackL += subkeyname + Environment.NewLine;
                    count++;
                }
            }


            MyKey.Close();
            try
            {
                StreamWriter SW = new StreamWriter(PackLog, true);
                SW.WriteLine(PackL);
                SW.Close();
            }
            catch
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.Write("FAIL");
                Console.ResetColor();
            }
            return true;
        }

        static bool CleanComponentSubkeys(string registryPath, string CN)
        {
            int consoleX = 0; int consoleY = 0;
            try
            {
                consoleX = Console.CursorLeft; consoleY = Console.CursorTop;
            }
            catch { }
            try
            {
                RegistryKey MyKey = Registry.LocalMachine.OpenSubKey(registryPath);
                IdentityReference CurUser = System.Security.Principal.WindowsIdentity.GetCurrent().User;
                int count = 1;
                int tot = 0;

                foreach (string subkeyname in MyKey.GetSubKeyNames())
                {
                    if (subkeyname.Contains(CN)) { tot += 1; }
                }
                Debug.Assert(MyKey != null, "myKey != null");

                foreach (string subkeyname in MyKey.GetSubKeyNames())
                {

                    if (subkeyname.Contains(CN))
                    {
                        try
                        {
                            if (!_cr.Contains(subkeyname)) { _cr += subkeyname + Environment.NewLine; }
                            CorrectConsolePostion(tot, consoleY, consoleX);


                            Console.ForegroundColor = ConsoleColor.Yellow;
                            Console.Write("{0}/{1}", count, tot);
                            Console.ResetColor();

                            if (!RegSetOwneship(MyKey, subkeyname, CurUser))
                            {
                                MyKey.Close();
                                Console.ForegroundColor = ConsoleColor.Red;
                                Console.WriteLine("FAIL");
                                Console.WriteLine("Error at setting key privileges.");
                                Console.ResetColor();
                                _failed = true;
                                Ending();
                            }
                            RegistryAccessRule ntmp = RegSetFullAccess(MyKey, subkeyname, CurUser);



                            RegistryKey nSubKey = MyKey.OpenSubKey(subkeyname, RegistryKeyPermissionCheck.ReadWriteSubTree, RegistryRights.FullControl);
                            try
                            {
                                if (Contains<string[], string>(nSubKey.GetValueNames(), "Visibility"))
                                {
                                    if (_vis == false)
                                    {
                                        if (!Contains<string[], string>(nSubKey.GetValueNames(), "DefVis")) { nSubKey.SetValue("DefVis", nSubKey.GetValue("Visibility"), RegistryValueKind.DWord); }
                                        nSubKey.SetValue("Visibility", 0x00000001, RegistryValueKind.DWord);
                                    }
                                    else
                                    {
                                        if (Contains<string[], string>(nSubKey.GetValueNames(), "DefVis")) { nSubKey.SetValue("Visibility", nSubKey.GetValue("DefVis"), RegistryValueKind.DWord); }
                                    }
                                }

                                if (!_cmdLineArgs.ContainsKey('d'))
                                {
                                    if (Contains<string[], string>(nSubKey.GetSubKeyNames(), "Owners"))
                                    {
                                        RegSetOwneship(MyKey, subkeyname + "\\Owners", CurUser);
                                        RegSetFullAccess(MyKey, subkeyname + "\\Owners", CurUser);
                                        nSubKey.DeleteSubKey("Owners");
                                    }
                                }
                            }
                            catch (Exception Ex) { Console.WriteLine(Ex.Message); }
                            nSubKey.Close();

                            RegRemoveAccess(MyKey, subkeyname, CurUser, ntmp);

                        }
                        catch { }
                        count++;
                    }
                }
                MyKey.Close();
            }
            catch
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine("   FAIL - Key not exist");
                Console.ResetColor();
                return false;
            }
            return true;
        }



        static void Ending()
        {
            Console.ForegroundColor = ConsoleColor.White;
            Console.WriteLine("\n-------------------Ending------------------");
            Console.ResetColor();
            if (_online == false)
            {
                if (Contains<string[], string>(Microsoft.Win32.Registry.LocalMachine.GetSubKeyNames(), HIVE_MOUNT_DIR))
                {
                    Console.Write("Unmounting key...                        ");
                    if (!UnloadHive(HIVE_MOUNT_POINT))
                    {
                        Console.ForegroundColor = ConsoleColor.Red;
                        Console.WriteLine("FAIL");
                        Console.WriteLine("You must unmount registry hive manually.");
                        Console.WriteLine("Hit any key to close.");
                        Console.ResetColor();
                        Console.ReadKey();
                        Environment.Exit(-1);
                    }
                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.WriteLine("OK");
                    Console.ResetColor();

                }

                if (File.Exists(_bkpFile) && _failed && !_cmdLineArgs.ContainsKey('n'))
                {
                    Console.Write("Restoring Backup...                      ");
                    File.Copy(_bkpFile, _hiveFileInfo, true);
                    Console.ForegroundColor = ConsoleColor.Green;
                    Console.WriteLine("OK");
                    Console.ResetColor();


                    try
                    {
                        Console.Write("Removing Backup file...                  ");
                        File.Delete(_bkpFile);
                        Console.ForegroundColor = ConsoleColor.Green;
                        Console.WriteLine("OK");
                        Console.ResetColor();
                        if (_cmdLineArgs.Count == 0)
                        {
                            Console.WriteLine("Hit any key to close.");
                            Console.ReadKey();
                        }
                    }
                    catch
                    { }
                }
            }
            Environment.Exit(0);

        }
        

        static void RegRemoveAccess(RegistryKey nParentKey, string nkey, IdentityReference nuser, RegistryAccessRule nacc)
        {
            RegistryKey nSubKey = nParentKey.OpenSubKey(nkey, RegistryKeyPermissionCheck.ReadWriteSubTree,
                RegistryRights.ChangePermissions | RegistryRights.ReadKey);
            RegistrySecurity nSubKeySec = nSubKey.GetAccessControl(AccessControlSections.Access);
            nSubKeySec.RemoveAccessRule(nacc);
            nSubKey.SetAccessControl(nSubKeySec);
            nSubKey.Close();
        }

        static RegistryAccessRule RegSetFullAccess(RegistryKey nParentKey, string nkey, IdentityReference nuser)
        {
            RegistryKey nSubKey = null;
            try
            {

                nSubKey = nParentKey.OpenSubKey(nkey, RegistryKeyPermissionCheck.ReadWriteSubTree,
                RegistryRights.ReadKey | RegistryRights.ChangePermissions | RegistryRights.ReadPermissions);
                RegistrySecurity nSubKeySec = nSubKey.GetAccessControl(AccessControlSections.Access);
                RegistryAccessRule nAccRule = new RegistryAccessRule(nuser, RegistryRights.FullControl, AccessControlType.Allow);
                nSubKeySec.AddAccessRule(nAccRule);
                //nSubKeySec.RemoveAccessRul
                nSubKey.SetAccessControl(nSubKeySec);
                nSubKey.Close();
                return nAccRule;
            }
            catch
            {
                nSubKey?.Close();
                return null;
            }
        }



        static bool RegSetOwneship(RegistryKey nParentKey, string nkey, IdentityReference nuser)
        {
            RegistryKey nSubKey = null;
            try
            {
                nSubKey = nParentKey.OpenSubKey(nkey, RegistryKeyPermissionCheck.ReadWriteSubTree,
                RegistryRights.TakeOwnership | RegistryRights.ReadKey | RegistryRights.ReadPermissions);
                RegistrySecurity nSubKeySec = nSubKey.GetAccessControl(AccessControlSections.Owner);
                nSubKeySec.SetOwner(nuser);
                nSubKey.SetAccessControl(nSubKeySec);
                nSubKey.Close();
                return true;
            }
            catch
            {
                if (nSubKey != null)
                    nSubKey.Close();
                return false;
            }
        }


        static bool Contains<typeColl, typeKey>(typeColl collection, typeKey val)
            where typeColl : IEnumerable<typeKey>
            where typeKey : IComparable
        {
            foreach (typeKey subelement in collection)
            {
                if (subelement.CompareTo(val) == 0)
                    return true;
            }
            return false;
        }

        static void InitProcess(Process nproc)
        {
            nproc.StartInfo.UseShellExecute = false;
            nproc.StartInfo.RedirectStandardError = true;
            nproc.StartInfo.RedirectStandardOutput = true;
            nproc.StartInfo.RedirectStandardInput = true;
            nproc.StartInfo.CreateNoWindow = true;
        }

        static bool LoadHive(string nfile, string nkeyname)
        {
            return RunReg(string.Format("LOAD {0} {1}", nkeyname, "\"" + nfile + "\""));
        }
        static bool UnloadHive(string nkeyname)
        {
            return RunReg(string.Format("UNLOAD {0}", nkeyname));
        }
        static bool RunReg(string nArguments)
        {
            Process reg = new Process();
            InitProcess(reg);
            reg.StartInfo.FileName = "reg.exe";
            reg.StartInfo.Arguments = nArguments;
            reg.Start();
            reg.WaitForExit();
            string RegOutput = reg.StandardOutput.ReadToEnd();
            string RegError = reg.StandardError.ReadToEnd();
            if ((RegOutput.Length < 1) || (RegError.Length > 1))
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        private static void CorrectConsolePostion(int tot, int consoleY, int consoleX)
        {
            try
            {
                Console.CursorLeft = consoleX;
                Console.CursorTop = consoleY;

                if (tot < 10)
                {
                    Console.CursorLeft = consoleX;
                    Console.CursorTop = consoleY;
                }
                if (tot > 9 && tot < 100)
                {
                    Console.CursorLeft = consoleX - 2;
                    Console.CursorTop = consoleY;
                }
                if (tot > 99 && tot < 1000)
                {
                    Console.CursorLeft = consoleX - 4;
                    Console.CursorTop = consoleY;
                }
                if (tot > 999 && tot < 10000)
                {
                    Console.CursorLeft = consoleX - 6;
                    Console.CursorTop = consoleY;
                }
            }
            catch
            {
            }
        }


        static Dictionary<char, string> ProcessCmdArgs(string[] args, char[] allowedArgs)
        {
            Dictionary<char, string> tmp = new Dictionary<char, string>();
            string curV = "";
            string argtmp;
            char curK = ' ';
            foreach (string arg in args)
            {
                argtmp = arg.Trim();
                if (argtmp[0] == '/')
                {
                    if (Contains<char[], char>(allowedArgs, argtmp[1]))
                    {
                        if (curK != ' ')
                            tmp.Add(curK, curV.Trim());
                        curK = arg[1];
                        curV = "";
                    }
                    else
                    {
                        tmp.Clear();
                        tmp.Add('?', "");
                        return tmp;
                    }
                }
                else
                {
                    if (curK == ' ')
                    {
                        tmp.Clear();
                        tmp.Add('?', "");
                        return tmp;
                    }
                    curV += " " + argtmp;
                }
            }
            tmp.Add(curK, curV.Trim());
            return tmp;
        }
    }



}
#region License

/* Copyright (c) 2008 Michał Wnuowski
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy 
 * of this software and associated documentation files (the "Software"), to 
 * deal in the Software without restriction, including without limitation the 
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
 * sell copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software. 
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
 * THE SOFTWARE.
 */

#endregion

#region Contact

/*
 * Michał Wnuowski
 * Email: wnuku1@hotmail.com
 */

#endregion