ftemiterdlg.cpp

此为本书的配套光盘.本书不但由浅入深地讲解了软件保护技术

/********************************************************************

	Copyright (c) Beijing Feitian Technologies
	http://www.FTSafe.com

	File :		FTEmiterDlg.cpp	

	Created:	2003/11/04

	Author:		yihai
	
	Purpose:	?

	Revision:	?

*********************************************************************/

// FTEmiterDlg.cpp : implementation file
//

#include "stdafx.h"
#include "FTEmiter.h"
#include "FTEmiterDlg.h"
#include <io.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

#define		DEFAULT_SIZE_ITEM		6
#define		INI_FILENAME			"FTTempl.ini"

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFTEmiterDlg dialog

CFTEmiterDlg::CFTEmiterDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CFTEmiterDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CFTEmiterDlg)
	m_strInput = _T("");
	m_strItemSize = _T("1024");
	m_bFromFile = FALSE;
	m_strFillWith = _T("");
	m_nItemPerLine = 0;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_strTmplOpCode = "db";
	m_strTmplPreFixChar = "$";
	m_strTmplAsmBegin = "asm";
	m_strTmplAsmEnd = "end;";
	m_bFromFile = false;
	m_strTmplArrayName = "xxxData";
	m_strTmplArrayHeaderFmt = "%s:array[1..%d] of BYTE = (";
	m_strTmplArrayTail = ");";
	m_strTmplArraySep = ",";
	m_strFillWith = "0";
	m_bDataDump = 0;
}

void CFTEmiterDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CFTEmiterDlg)
	DDX_Control(pDX, IDC_EDT_MSG, m_ctlMsg);
	DDX_Control(pDX, IDC_EDT_INPUT, m_ctlInput);
	DDX_Control(pDX, IDC_CBO_LANGUAGE, m_ctlLang);
	DDX_Control(pDX, IDC_CBO_SIZE, m_ctlItemSize);
	DDX_Text(pDX, IDC_EDT_INPUT, m_strInput);
	DDX_CBString(pDX, IDC_CBO_SIZE, m_strItemSize);
	DDX_Check(pDX, IDC_CHK_FROMFILE, m_bFromFile);
	DDX_Text(pDX, IDC_EDT_FILLWITH, m_strFillWith);
	DDV_MaxChars(pDX, m_strFillWith, 2);
	DDX_Text(pDX, IDC_EDT_ITEMPERLINE, m_nItemPerLine);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CFTEmiterDlg, CDialog)
	//{{AFX_MSG_MAP(CFTEmiterDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BTN_MAKE, OnBtnMake)
	ON_WM_CLOSE()
	ON_BN_CLICKED(IDC_CHK_FROMFILE, OnChkFromfile)
	ON_BN_CLICKED(IDC_BTN_COPY, OnBtnCopy)
	ON_CBN_SELCHANGE(IDC_CBO_LANGUAGE, OnSelchangeCboLanguage)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CFTEmiterDlg message handlers

BOOL CFTEmiterDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	RefillItemSize();

	char szFileName[2048];
	GetModuleFileName(NULL,szFileName,2048);
	char* p = strrchr(szFileName,'\\');
	*(p+1) = 0;
	m_strIniFileName = szFileName;
	m_strIniFileName += INI_FILENAME;

	EnumSections();
	UpdateData(FALSE);
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CFTEmiterDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CFTEmiterDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CFTEmiterDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CFTEmiterDlg::AppendStr(LPCTSTR lpText)
{
	CString str(lpText);
	
	CRichEditCtrl& edit = m_ctlMsg;
	str.Replace("\n","\r\n");
	int len = edit.GetWindowTextLength();
	edit.SetSel(len,len);
	edit.ReplaceSel(str);
}

void CFTEmiterDlg::PrintStr(LPCTSTR lpszFormat, ...)
{
	ASSERT(AfxIsValidString(lpszFormat));
	CString str;
	va_list argList;
	va_start(argList, lpszFormat);
	str.FormatV(lpszFormat, argList);
	va_end(argList);
	
	static TCHAR szBuffer[512];
	lstrcpyn(szBuffer,str,512);
	AppendStr(szBuffer);
}

void CFTEmiterDlg::OnOK() 
{
	// TODO: Add extra validation here
	
	//CDialog::OnOK();
}

void CFTEmiterDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	//CDialog::OnCancel();
}

void CFTEmiterDlg::OnBtnMake() 
{
	CWaitCursor wait;
	m_ctlMsg.SetSel(0,-1);
	m_ctlMsg.Clear();
	UpdateData();
	char* pStop;
	int nFillValue = strtoul(m_strFillWith,&pStop,16);
	int nItemCount = atoi(m_strItemSize);
	int iDataLen = m_strInput.GetLength();	
	PBYTE pData = new BYTE[nItemCount];
	if(pData==NULL)
	{
		AfxMessageBox("Out of memory!");
		return ;
	}
	memset(pData,nFillValue,nItemCount);
	if(m_bFromFile)
	{
		try
		{
			CFile file(m_strInput,CFile::modeRead|CFile::typeBinary);
			if(file.Read(pData,nItemCount)!=(UINT)nItemCount)
			{
				AfxMessageBox("Please reopen file.");
				return ;
			}
		}
		catch(CFileException* pe)
		{
			pe->ReportError();
		}		
	}
	else
		strncpy((char*)pData,m_strInput,min(nItemCount,iDataLen));
	if(m_bDataDump)
		DumpDataArray(pData,nItemCount);
	else
		DumpDataAsm(pData,nItemCount);
}

void CFTEmiterDlg::OnClose() 
{		
	CDialog::OnOK();
}

void CFTEmiterDlg::DumpDataAsm(PBYTE pData,int iDataLen)
{
	CString strFormat;
	strFormat.Format("        %s %s",m_strTmplOpCode,m_strTmplPreFixChar);
	strFormat += "%02X\n";
	
	PrintStr("    %s\n",m_strTmplAsmBegin);

	for(int i=0;i<iDataLen;i++)
	{		
		PrintStr(strFormat,pData[i]);
	}	
	
	PrintStr("    %s\n",m_strTmplAsmEnd);
}

void CFTEmiterDlg::DumpDataArray(PBYTE pData, int iDataLen)
{	
	int nItemCount = atoi(m_strItemSize);
	CString strHeader;
	strHeader.Format(m_strTmplArrayHeaderFmt,m_strTmplArrayName,nItemCount);	
	PrintStr("    %s\n",strHeader);

	CString strFormat;
	strFormat.Format("%s%s",m_strTmplPreFixChar,"%02X");

	for(int i=0;i<iDataLen;i++)
	{		
		if( i!=0 && (i%m_nItemPerLine==0))
		{
			PrintStr("\n");
		}
		PrintStr(strFormat,pData[i]);
		if(i!=iDataLen-1)
			PrintStr(" %s",m_strTmplArraySep);
	}
	
	PrintStr("    %s\n",m_strTmplArrayTail);	
}

void CFTEmiterDlg::OnChkFromfile() 
{
	UpdateData();
	if(m_bFromFile)	
	{
		CFileDialog  fileDlg(TRUE);
		if(fileDlg.DoModal()==IDOK)
		{
			m_strInput = fileDlg.GetPathName();
			try
			{
				CFile	file(m_strInput,CFile::modeRead|CFile::typeBinary);
				CFileStatus	fsSta;
				file.GetStatus(fsSta);
				CString strSize;
				strSize.Format("%d",fsSta.m_size);
				if(m_ctlItemSize.GetCount()>DEFAULT_SIZE_ITEM)
					m_ctlItemSize.DeleteString(DEFAULT_SIZE_ITEM);
				m_ctlItemSize.AddString(strSize);				
				int iIndex = m_ctlItemSize.GetCount()-1;				
				m_ctlItemSize.PostMessage(CB_SETCURSEL,(WPARAM)iIndex);
				//m_bLoaded = true;
				m_ctlInput.SetReadOnly();
			}
			catch (CFileException* pe)
			{
				pe->ReportError();
				m_bFromFile = FALSE;
			}
		}
		else
		{
			m_bFromFile = FALSE;
			m_ctlInput.SetReadOnly(FALSE);
		}
	}
	else
	{
		if(m_ctlItemSize.GetCount()>DEFAULT_SIZE_ITEM)
		{
			m_ctlItemSize.DeleteString(DEFAULT_SIZE_ITEM);			
			m_ctlItemSize.PostMessage(CB_SETCURSEL,(WPARAM)3);
			m_strInput.Empty();
		}				
		m_ctlInput.SetReadOnly(FALSE);
	}
	UpdateData(FALSE);
}

void CFTEmiterDlg::RefillItemSize()
{
	m_ctlItemSize.ResetContent();
	m_ctlItemSize.AddString("128");
	m_ctlItemSize.AddString("256");
	m_ctlItemSize.AddString("512");
	m_ctlItemSize.AddString("1024");
	m_ctlItemSize.AddString("2048");
	m_ctlItemSize.AddString("4096");
	m_ctlItemSize.SelectString(0,"1024");
}

void CFTEmiterDlg::OnBtnCopy() 
{
	m_ctlMsg.SetSel(0,-1);
	m_ctlMsg.Copy();
}

void CFTEmiterDlg::EnumSections()
{
	if(access(m_strIniFileName,0)==-1)
	{
		AfxMessageBox("Can't open the template file!");
		return ;
	}
	char pNameBuf[4096];
	DWORD dwDataLen = GetPrivateProfileSectionNames(pNameBuf,4096,m_strIniFileName);
	if(dwDataLen!=0)
	{	
		m_ctlLang.AddString(pNameBuf);
		for(DWORD i=0;i<dwDataLen;i++)
		{			
			if(pNameBuf[i]==0)
			{
				char * p = pNameBuf+i+1;
				if(*p)
					m_ctlLang.AddString(p);
			}				
		}
		m_ctlLang.SetCurSel(0);
		LoadSection(CString(pNameBuf));
	}
	else
	{
		AfxMessageBox("The template file is empty!");
		return ;
	}
}

void CFTEmiterDlg::OnSelchangeCboLanguage() 
{
	int iSel = m_ctlLang.GetCurSel();	
	if(iSel == LB_ERR)
		return ;
	CString strSection;
	m_ctlLang.GetLBText(iSel,strSection);
	LoadSection(strSection);	
	UpdateData(FALSE);
}

bool CFTEmiterDlg::LoadSection(CString &strSection)
{	
	m_bDataDump = GetPrivateProfileInt(strSection,"DataDump",0,m_strIniFileName);	
	if(m_bDataDump)
	{
		GetPrivateProfileString(strSection,"ArrayName",NULL,m_strTmplArrayName.GetBuffer(512),512,m_strIniFileName);
		m_strTmplArrayName.ReleaseBuffer();
		
		GetPrivateProfileString(strSection,"HeaderFormat",NULL,m_strTmplArrayHeaderFmt.GetBuffer(512),512,m_strIniFileName);
		m_strTmplArrayHeaderFmt.ReleaseBuffer();
		
		GetPrivateProfileString(strSection,"ArraySep",",",m_strTmplArraySep.GetBuffer(512),512,m_strIniFileName);
		m_strTmplArraySep.ReleaseBuffer();
		
		GetPrivateProfileString(strSection,"ArrayName",NULL,m_strTmplArrayName.GetBuffer(512),512,m_strIniFileName);
		m_strTmplArrayName.ReleaseBuffer();

		GetPrivateProfileString(strSection,"PreFixChar",NULL,m_strTmplPreFixChar.GetBuffer(512),512,m_strIniFileName);
		m_strTmplPreFixChar.ReleaseBuffer();
		
		m_nItemPerLine = GetPrivateProfileInt(strSection,"ItemPerLine",5,m_strIniFileName);			
	}
	else
	{
		GetPrivateProfileString(strSection,"OpCode",NULL,m_strTmplOpCode.GetBuffer(512),512,m_strIniFileName);
		m_strTmplOpCode.ReleaseBuffer();
		
		GetPrivateProfileString(strSection,"PreFixChar",NULL,m_strTmplPreFixChar.GetBuffer(512),512,m_strIniFileName);
		m_strTmplPreFixChar.ReleaseBuffer();
		
		GetPrivateProfileString(strSection,"OpCode",NULL,m_strTmplOpCode.GetBuffer(512),512,m_strIniFileName);
		m_strTmplOpCode.ReleaseBuffer();
		
		GetPrivateProfileString(strSection,"AsmBegin",NULL,m_strTmplAsmBegin.GetBuffer(512),512,m_strIniFileName);
		m_strTmplAsmBegin .ReleaseBuffer();
		
		GetPrivateProfileString(strSection,"AsmEnd",NULL,m_strTmplAsmEnd.GetBuffer(512),512,m_strIniFileName);
		m_strTmplAsmEnd .ReleaseBuffer();		
	}	
	return true;
}