scsampledlg.cpp

SIM 卡读卡器的VC 原码

/****************************************************************************/
/*                                                                          */
/*         Copyright 1997 SCM Microsystems                                  */
/*                                                                          */
/*         This software is supplied under the terms of a license           */
/*         agreement or nondisclosure agreement and may not be copied       */
/*         or disclosed except in accordance with the terms of that         */
/*         agreement.                                                       */
/*                                                                          */
/****************************************************************************/
/*                                                                          */
/* Author         : Kerstin Jenett											*/
/* Creation date  : 07.10.1997												*/
/* Name           : SCSampleDlg.cpp (implementation file)                   */
/*                                                                          */
/* Description    : Resource Manager Sample for Windows 95 and				*/
/*                  Windows NT4.0											*/
/*                                                                          */
/****************************************************************************/
/*																			*/
/* Rev. Date        Author      Description									*/
/*--------------------------------------------------------------------------*/
/* 1.00	07.10.1997	K.Jenett	initial version								*/
/****************************************************************************/

#include "stdafx.h"

//	include Resource Manager definition
#include "winscard.h"

#include "SCSample.h"
#include "SCSampleDlg.h"
#include "DriverNameDlg.h"

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

SCARD_READERSTATE	ReaderState[NUMBER_OF_READERS];
SCARD_IO_REQUEST	IO_Request;
SCARDCONTEXT		ContextHandle;
SCARDHANDLE			CardHandle;

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

/////////////////////////////////////////////////////////////////////////////
// CSCSampleDlg dialog

CSCSampleDlg::CSCSampleDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSCSampleDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSCSampleDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSCSampleDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSCSampleDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSCSampleDlg, CDialog)
	//{{AFX_MSG_MAP(CSCSampleDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CARD_DISCONNECT, OnCardDisconnect)
	ON_BN_CLICKED(IDC_CONNECT, OnConnect)
	ON_BN_CLICKED(IDC_TRANSMIT, OnTransmit)
	ON_WM_VSCROLL()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSCSampleDlg message handlers

BOOL CSCSampleDlg::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
	
	// extra initialization 

	memset(ReaderName[0], 0, NAME_LENGTH);
	memset(ReaderName[1], 0, NAME_LENGTH);
	memset(ReaderName[2], 0, NAME_LENGTH);
	memset(ReaderName[3], 0, NAME_LENGTH);
	
	pOutBuffer = (PBYTE) malloc(MAX_OUTPUT);
	ASSERT( pOutBuffer );
	OutBufferLine = 0;

   	((CScrollBar *)GetDlgItem(IDC_SCROLLBAR))->SetScrollRange(0, 6, FALSE);
   	line = 0;             
	((CScrollBar *)GetDlgItem(IDC_SCROLLBAR))->SetScrollPos(line, TRUE);

	pResponseBuffer = (PBYTE) malloc( MAX_RESPONSE );
	ASSERT( pResponseBuffer );
	
	memset(pResponseBuffer, 0x00, MAX_RESPONSE);

	//
	//	Open a context which communication to the Resource Manager
	//
	ret = SCardEstablishContext(SCARD_SCOPE_USER, NULL, NULL, &ContextHandle);

	if (ret != SCARD_S_SUCCESS) {
		MessageBuffer.Format("Function SCardEstablishContext returned 0x%X error code.", ret);
		MessageBox((LPCTSTR) MessageBuffer, "SCSample", MB_OK| MB_ICONSTOP);
		EndDialog(2);
		return(IDCANCEL);
	}
   	
	ReaderCount = 0;
	ResponseLength = MAX_RESPONSE;
	
	ret = SCardListReaders(ContextHandle, 0, (char *) pResponseBuffer, &ResponseLength);
	
	if (ret != SCARD_S_SUCCESS) {
		MessageBuffer.Format("Function SCardListReaders returned 0x%X error code.", ret);
		MessageBox((LPCTSTR) MessageBuffer, "SCSample", MB_OK| MB_ICONSTOP);
		EndDialog(2);
		return(IDCANCEL);
	}
	else {
		unsigned int		StringLen = 0;

		while ( ResponseLength > StringLen+1) {
			strcpy(ReaderName[ReaderCount], (LPCTSTR) pResponseBuffer+StringLen);
			DWORD	ActiveProtocol = 0;
			ret = SCardConnect(ContextHandle, ReaderName[ReaderCount], SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1, &CardHandle, &ActiveProtocol);
		//	if (ret != SCARD_E_UNKNOWN_READER)
				ReaderCount++;
			if (ret == SCARD_S_SUCCESS)
				SCardDisconnect(CardHandle, SCARD_EJECT_CARD);
			StringLen += strlen((LPCTSTR) pResponseBuffer+StringLen+1);
			StringLen += 2;
		}
	}

	if (ReaderCount == 0) {
		MessageBox("No driver is available for use with the resource manager!", "SCSample", MB_ICONSTOP);
		EndDialog(2);
		return (IDCANCEL);
	}

	CDriverNameDlg dlg;

	dlg.SetCount(ReaderCount);
	dlg.SetName((char *) ReaderName);

	if ( dlg.DoModal() != IDOK ) {
		EndDialog(2);
		return (IDCANCEL);
	}

	act_Name	= dlg.GetDriverName();

   	(CButton *)GetDlgItem(IDC_CARD_DISCONNECT)->EnableWindow(FALSE);                  
  	(CButton *)GetDlgItem(IDC_TRANSMIT)->EnableWindow(FALSE);                  

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

void CSCSampleDlg::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 CSCSampleDlg::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
	{