SCARDWRP.H

/*++ 
 
Copyright (c) 1997  Microsoft Corporation 
 
Module Name: 
 
scardwrp     
 
Abstract: 
 
This file contains a simple class implementation for "wrapping"some 
of the Vendor COM Wrapper API functionality. 
 
Author: 
 
Environment: 
 
    Win32, C++ w/Exceptions, ATL, COM/OLE 
 
Revision History: 
 
--*/ 
 
#ifndef __SCARDWRP_H__ 
#define __SCARDWRP_H__ 
 
// These are required and taken from SCARDCOM.H 
#ifndef _SCARD_STATES_DEFINED 
#define _SCARD_STATES_DEFINED 
typedef /* [version][v1_enum][helpstring] */  
enum tagSCARD_STATES 
    {ABSENT= 1, 
PRESENT= 2, 
SWALLOWED= 3, 
POWERED= 4, 
NEGOTIABLEMODE= 5, 
SPECIFICMODE= 6 
    }SCARD_STATES; 
 
#endif // !_SCARD_STATES_DEFINED 
#ifndef _SCARD_PROTOCOLS_DEFINED 
#define _SCARD_PROTOCOLS_DEFINED 
typedef /* [version][v1_enum][helpstring] */  
enum tagSCARD_PROTOCOLS 
    {T0= 0x1, 
T1= 0x2, 
RAW= 0xff 
    }SCARD_PROTOCOLS; 
 
#endif // !_SCARD_PROTOCOLS_DEFINED 
 
#define BYTE_BUFFER_HEAD(0) 
 
///////////////////////////////////////////////////////////////////////////// 
// 
// Includes 
// 
 
// Include Vendor COM object  
#include "scardcom.h" 
 
///////////////////////////////////////////////////////////////////////////// 
// CSCardWrapper class 
 
class CSCardWrapper 
{ 
// Member Variables 
private: 
// Bit struct used to sequence events, etc. 
typedef struct _SEQUENCE { 
unsignedCOMLoad:1; 
unsignedAttach:1; 
unsignedOther:6; 
} SEQUENCE; 
 
SEQUENCEm_sequence; 
 
// COM interface pointers 
LPSCARDMANAGEm_pISCardManage; 
LPSCARDVERIFYm_pISCardVerify; 
LPSCARDAUTHm_pISCardAuth; 
LPSCARDFILEACCESSm_pISCardFileAccess; 
 
public: 
// Construction/Destruction 
CSCardWrapper() {m_pISCardManage = NULL; 
m_pISCardVerify = NULL; 
m_pISCardAuth = NULL; 
m_pISCardFileAccess = NULL; 
 
m_sequence.COMLoad = 0; 
m_sequence.Attach = 0; 
m_sequence.Other = 0;} 
 
~CSCardWrapper() {} 
 
private: 
HRESULT CreateByteBuffer(DWORDdwSize, 
LPBYTEBUFFER* ppBuffer); 
 
public: 
// Implementation 
HRESULT AttachToReaderByName( WCHAR *wszReaderName ); 
 
HRESULT ChangeDirectory( WCHAR *wszDirectory ); 
 
HRESULT Detach(); 
 
HRESULT GetChallenge( LPBYTE lpbyChallenge, LONG* lpLengthOfChal ); 
 
HRESULT LoadCOM(); 
 
HRESULT Open( WCHAR *wszFilename, HSCARD_FILE *phFile ); 
 
HRESULT Status( SCARD_STATES *State, SCARD_PROTOCOLS *Protocol ); 
 
void UnloadCOM(); 
 
HRESULT VerifyPIN( WCHAR *wszPIN ); 
 
HRESULT Write ( HSCARD_FILE hFile, BYTE byRecordID, 
LONG cbBytes, LPBYTE pbyData); 
}; 
 
///////////////////////////////////////////////////////////////////////////// 
 
#endif //__SCARDWRP_H__