RegistryExplorer.cpp

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/*
 * regexpl - Console Registry Explorer
 *
 * Copyright (C) 2000-2005 Nedko Arnaudov <nedko@users.sourceforge.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

// RegistryExplorer.cpp : Defines the entry point for the Regiistry Explorer.
//

#include "ph.h"
#include "RegistryExplorer.h"
#include "Console.h"
#include "RegistryKey.h"
#include "RegistryTree.h"
#include "SecurityDescriptor.h"
#include "ArgumentParser.h"
#include "ShellCommandsLinkedList.h"
#include "ShellCommandExit.h"
#include "ShellCommandVersion.h"
#include "ShellCommandHelp.h"
#include "ShellCommandDir.h"
#include "ShellCommandChangeKey.h"
#include "ShellCommandValue.h"
#include "ShellCommandOwner.h"
#include "ShellCommandDACL.h"
#include "ShellCommandSACL.h"
//#include "ShellCommandDOKA.h"
#include "ShellCommandConnect.h"
#include "ShellCommandNewKey.h"
#include "ShellCommandDeleteKey.h"
#include "ShellCommandSetValue.h"
#include "ShellCommandDeleteValue.h"
#include "Prompt.h"
#include "Settings.h"

TCHAR pchCurrentKey[PROMPT_BUFFER_SIZE];

CRegistryTree Tree;
CConsole Console;

BOOL blnCommandExecutionInProgress = FALSE;

BOOL WINAPI HandlerRoutine(DWORD dwCtrlType)
{
    switch(dwCtrlType)
    {
    case CTRL_C_EVENT:
    case CTRL_BREAK_EVENT:
        if (blnCommandExecutionInProgress)
        {
/*          Beep(1000,100);
            Beep(2000,100);
            Beep(3000,100);
            Beep(4000,100);
            Beep(5000,100);
            Beep(4000,100);
            Beep(3000,100);
            Beep(2000,100);
            Beep(1000,100);*/
            Console.Write(_T("\n"));
            Console.DisableWrite();
        }
        return TRUE;
    default:
        return FALSE;
    }
}

//int _tmain(/*int argc, TCHAR* argv[], TCHAR* envp[]*/)
int main ()
{
  int nRetCode = 0;

  HRESULT hr;

  CSettings *pSettings = NULL;
  CPrompt *pPrompt = NULL;

  CShellCommandsLinkedList CommandsList(Console);

  CShellCommandExit ExitCommand;
  CommandsList.AddCommand(&ExitCommand);

  CShellCommandVersion VersionCommand;
  CommandsList.AddCommand(&VersionCommand);

  CShellCommandHelp HelpCommand(CommandsList);
  CommandsList.AddCommand(&HelpCommand);

  CShellCommandDir DirCommand(Tree);
  CommandsList.AddCommand(&DirCommand);

  CShellCommandChangeKey ChangeKeyCommand(Tree);
  CommandsList.AddCommand(&ChangeKeyCommand);

  CShellCommandValue ValueCommand(Tree);
  CommandsList.AddCommand(&ValueCommand);

  CShellCommandOwner OwnerCommand(Tree);
  CommandsList.AddCommand(&OwnerCommand);

  CShellCommandDACL DACLCommand(Tree);
  CommandsList.AddCommand(&DACLCommand);

  CShellCommandSACL SACLCommand(Tree);
  CommandsList.AddCommand(&SACLCommand);

  CShellCommandConnect ConnectCommand(Tree);
  CommandsList.AddCommand(&ConnectCommand);

  CShellCommandNewKey NewKeyCommand(Tree);
  CommandsList.AddCommand(&NewKeyCommand);

  CShellCommandDeleteKey DeleteKeyCommand(Tree);
  CommandsList.AddCommand(&DeleteKeyCommand);

  CShellCommandSetValue SetValueCommand(Tree);
  CommandsList.AddCommand(&SetValueCommand);

  CShellCommandDeleteValue DeleteValueCommand(Tree);
  CommandsList.AddCommand(&DeleteValueCommand);

  CArgumentParser Parser;

  pSettings = new (std::nothrow) CSettings();
  if (!pSettings)
    {
        _ftprintf(stderr,_T("Cannot initialize settings. Out of memory.\n"));
        goto Abort;
    }

  hr = pSettings->Load(SETTINGS_REGISTRY_KEY);
  if (FAILED(hr))
    {
        _ftprintf(stderr,_T("Cannot load settings. Error is 0x%X.\n"),(unsigned int)hr);
        goto Abort;
    }

  pPrompt = new (std::nothrow) CPrompt(Tree,hr);
  if (!pPrompt)
    {
        _ftprintf(stderr,_T("Cannot initialize prompt. Out of memory.\n"));
        goto Abort;
    }

  if (FAILED(hr))
    {
        _ftprintf(stderr,_T("Cannot initialize prompt. Error is 0x%X.\n"),(unsigned int)hr);
        goto Abort;
    }

// input buffer size in chars
#define INPUT_BUFFER_SIZE   1024
//#define INPUT_BUFFER_SIZE 128
//#define INPUT_BUFFER_SIZE 10

    TCHAR *pchCommand;

  pchCommand = Console.Init(INPUT_BUFFER_SIZE,10);
  if (pchCommand == NULL)
  {
    _ftprintf(stderr,_T("Cannot initialize console.\n"));
    nRetCode = 1;
    goto Exit;
  }

    Console.SetReplaceCompletionCallback(CompletionCallback);

    WORD wOldConsoleAttribute;
    if (!Console.GetTextAttribute(wOldConsoleAttribute)) goto Abort;

    Console.SetTitle(_T("Registry Explorer"));
    Console.SetTextAttribute(pSettings->GetNormalTextAttributes());

    VERIFY(SetConsoleCtrlHandler((PHANDLER_ROUTINE)HandlerRoutine,TRUE));

    if (!Console.Write(HELLO_MSG
    //(_L(__TIMESTAMP__))
    )) goto Abort;

  //Tree.SetDesiredOpenKeyAccess(KEY_READ);

  hr = pPrompt->SetPrompt(pSettings->GetPrompt());
  if (FAILED(hr))
  {
    _ftprintf(stderr,_T("Cannot initialize prompt. Error is 0x%X.\n"),(unsigned int)hr);
    goto Abort;
  }

GetCommand:
    // prompt
    // TODO: make prompt user-customizable
    Console.EnableWrite();
    pPrompt->ShowPrompt(Console);
    Console.FlushInputBuffer();

    blnCommandExecutionInProgress = FALSE;

    // Set command line color
  Console.SetTextAttribute(pSettings->GetCommandTextAttributes());
    if (!Console.ReadLine())
    goto Abort;

    // Set normal color
    Console.SetTextAttribute(pSettings->GetNormalTextAttributes());

    Console.BeginScrollingOperation();
    blnCommandExecutionInProgress = TRUE;

    // Parse command line (1st step - convert to multi sz)
    Parser.SetArgumentList(pchCommand);

    int nCommandReturnValue;
    switch(CommandsList.Execute(Parser,nCommandReturnValue))
    {
    case -1:    // not recognized command
        {
            Parser.ResetArgumentIteration();
            TCHAR *pchCommandItself = Parser.GetNextArgument();
            size_t cmdlen = _tcslen(pchCommandItself);
            if ((!cmdlen)||
                (pchCommandItself[cmdlen-1] != _T('\\'))||
                (Parser.GetNextArgument())||
                (!Tree.ChangeCurrentKey(pchCommandItself)))
            {
                Console.Write(_T("Unknown command \""));
                Console.Write(pchCommandItself);
                Console.Write(_T("\"\n"));
            }
        }
    case -2:    // empty line
        goto GetCommand;
    case 0: // exit command
        nRetCode = 0;
        Console.SetTextAttribute(wOldConsoleAttribute);
        goto Exit;
    default:
        Console.Write(_T("\n"));
        goto GetCommand;
    }

Abort:
    _ftprintf(stderr,_T("Abnormal program termination.\nPlease report bugs to ") EMAIL _T("\n"));
    nRetCode = 1;

Exit:

  if (pSettings)
    delete pSettings;

  if (pPrompt)
    delete pPrompt;

    return nRetCode;
}