strcmpdlg.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 :		StrCmpDlg.cpp	

	Created:	2003/11/03

	Author:		yihai
	
	Purpose:	?

	Revision:	?

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


#include "stdafx.h"
#include "StrCmp.h"
#include "StrCmpDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CStrCmpDlg dialog

CStrCmpDlg::CStrCmpDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CStrCmpDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CStrCmpDlg)
	m_str1 = _T("");
	m_str2 = _T("");
	m_str3 = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CStrCmpDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CStrCmpDlg)
	DDX_Text(pDX, IDC_EDIT1, m_str1);
	DDV_MaxChars(pDX, m_str1, 4);
	DDX_Text(pDX, IDC_EDIT2, m_str2);
	DDV_MaxChars(pDX, m_str2, 2);
	DDX_Text(pDX, IDC_EDIT3, m_str3);
	DDV_MaxChars(pDX, m_str3, 2);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CStrCmpDlg, CDialog)
	//{{AFX_MSG_MAP(CStrCmpDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_COMP, OnComp)
	ON_BN_CLICKED(IDC_COMP_CSTRING, OnCompCstring)
	ON_BN_CLICKED(IDC_COMP_PROC, OnCompProc)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CStrCmpDlg message handlers

BOOL CStrCmpDlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CStrCmpDlg::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 CStrCmpDlg::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 CStrCmpDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CStrCmpDlg::OnComp() 
{
	char  strSN[256];
	char  strInputSN[256];
	SYSTEMTIME st;
	
	UpdateData();
	
	GetLocalTime(&st);	
	wsprintf(strSN,"%04d-%02d-%02d",st.wYear,st.wMonth,st.wDay);

	wsprintf(strInputSN,"%s-%s-%s",m_str1,m_str2,m_str3);

	if(strcmp(strInputSN,strSN)!=0 )
	{
		AfxMessageBox("Invalid Serial Number!");
		ExitProcess(0);
	}
	else
	{
		AfxMessageBox("ok!");
	}
}

void CStrCmpDlg::OnCompCstring() 
{
	CString strSN;
	CString strInputSN;
	SYSTEMTIME st;
	
	UpdateData();
	
	GetLocalTime(&st);	
	strSN.Format("%04d-%02d-%02d",st.wYear,st.wMonth,st.wDay);
	
	strInputSN.Format("%s-%s-%s",m_str1,m_str2,m_str3);
	
	if(strInputSN != strSN)
	{
		AfxMessageBox("Invalid Serial Number!");
		ExitProcess(0);
	}
	else
	{
		AfxMessageBox("ok!");
	}
}

bool CStrCmpDlg::VerifySN()
{
	SYSTEMTIME st;
	char  strInputSN[256];
	char  strSN[256];
	
	UpdateData();
	
	GetLocalTime(&st);	
	wsprintf(strSN,"%04d-%02d-%02d",st.wYear,st.wMonth,st.wDay);
	
	wsprintf(strInputSN,"%s-%s-%s",m_str1,m_str2,m_str3);
	
	if(strcmp(strInputSN,strSN)!=0 )
	{
		return false;		
	}
	else
	{
		return true;		
	}	
}

void CStrCmpDlg::OnCompProc() 
{
	if(VerifySN())
	{
		::MessageBox(this->GetSafeHwnd(),"ok!","Error",MB_OK);
	}
	else
	{
		::MessageBox(this->GetSafeHwnd(),"Invalid Serial Number!","Error",MB_OK);
		ExitProcess(0);
	}	
}