windows-server-2003/admin/wmi/wbem/providers/win32provider/common/mprapi.cpp

//=================================================================

//

// MprAPI.cpp

//

// Copyright (c) 1999-2001 Microsoft Corporation, All Rights Reserved
//
//=================================================================

#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <ntobapi.h>

#define _WINNT_	// have what is needed from above

#include "precomp.h"
#include <cominit.h>

#include <lmuse.h>
#include "DllWrapperBase.h"
#include "MprApi.h"
#include "DllWrapperCreatorReg.h"

// {EA6034F1-0FAD-11d3-910C-00105AA630BE}
static const GUID g_guidMprApi =
{ 0xea6034f1, 0xfad, 0x11d3, { 0x91, 0xc, 0x0, 0x10, 0x5a, 0xa6, 0x30, 0xbe } };

static const TCHAR g_tstrMpr [] = _T("Mpr.Dll");

/******************************************************************************
 * Register this class with the CResourceManager.
 *****************************************************************************/
CDllApiWraprCreatrReg<CMprApi, &g_guidMprApi, g_tstrMpr> MyRegisteredMprWrapper;

/******************************************************************************
 * Constructor
 *****************************************************************************/
CMprApi::CMprApi(LPCTSTR a_tstrWrappedDllName)
 : CDllWrapperBase(a_tstrWrappedDllName),
	m_pfnWNetEnumResource (NULL),
	m_pfnWNetOpenEnum(NULL),
	m_pfnWNetCloseEnum(NULL),
	m_pfnWNetGetUser(NULL),
	m_pfnWNetGetConnection(NULL)
{
}

/******************************************************************************
 * Destructor
 *****************************************************************************/
CMprApi::~CMprApi()
{
}

/******************************************************************************
 * Initialization function to check that we obtained function addresses.
 ******************************************************************************/
bool CMprApi::Init()
{
    bool fRet = LoadLibrary();
    if(fRet)
    {
#ifdef UNICODE
		m_pfnWNetGetUser = ( PFN_Mpr_WNetGetUser ) GetProcAddress ( "WNetGetUserW" ) ;
		m_pfnWNetEnumResource = ( PFN_Mpr_WNetEnumResource ) GetProcAddress ( "WNetEnumResourceW" ) ;
		m_pfnWNetOpenEnum = ( PFN_Mpr_WNetOpenEnum ) GetProcAddress ( "WNetOpenEnumW" ) ;
		m_pfnWNetGetConnection = ( PFN_Mpr_WNetGetConnection ) GetProcAddress ( "WNetGetConnectionW" ) ;
#else
		m_pfnWNetGetUser = ( PFN_Mpr_WNetGetUser ) GetProcAddress ( "WNetGetUserA" ) ;
		m_pfnWNetEnumResource = ( PFN_Mpr_WNetEnumResource ) GetProcAddress ( "WNetEnumResourceA" ) ;
		m_pfnWNetOpenEnum = ( PFN_Mpr_WNetOpenEnum ) GetProcAddress ( "WNetOpenEnumA" ) ;
		m_pfnWNetGetConnection = ( PFN_Mpr_WNetGetConnection ) GetProcAddress ( "WNetGetConnectionA" ) ;
#endif
		m_pfnWNetCloseEnum = ( PFN_Mpr_WNetCloseEnum ) GetProcAddress ( "WNetCloseEnum" ) ;
    }

    // We require these function for all versions of this dll.

	if ( m_pfnWNetEnumResource == NULL ||
		 m_pfnWNetOpenEnum == NULL ||
		 m_pfnWNetCloseEnum == NULL ||
		 m_pfnWNetGetUser == NULL )
	{
        fRet = false;
        LogErrorMessage(L"Failed find entrypoint in MPRAPI");
	}

    return fRet;
}

/******************************************************************************
 * Member functions wrapping Tapi api functions. Add new functions here
 * as required.
 *****************************************************************************/

#ifdef UNICODE
DWORD CMprApi :: WNetEnumResource (

     IN HANDLE  hEnum,
     IN OUT LPDWORD lpcCount,
     OUT LPVOID  lpBuffer,
     IN OUT LPDWORD lpBufferSize
)
#else
DWORD CMprApi :: WNetEnumResource (

     IN HANDLE  hEnum,
     IN OUT LPDWORD lpcCount,
     OUT LPVOID  lpBuffer,
     IN OUT LPDWORD lpBufferSize
)
#endif
{
	return m_pfnWNetEnumResource (

		hEnum,
		lpcCount,
		lpBuffer,
		lpBufferSize
	) ;
}

#ifdef UNICODE
DWORD CMprApi :: WNetOpenEnum (

     IN DWORD          dwScope,
     IN DWORD          dwType,
     IN DWORD          dwUsage,
     IN LPNETRESOURCEW lpNetResource,
     OUT LPHANDLE       lphEnum
)
#else
DWORD CMprApi :: WNetOpenEnum (

     IN DWORD          dwScope,
     IN DWORD          dwType,
     IN DWORD          dwUsage,
     IN LPNETRESOURCEA lpNetResource,
     OUT LPHANDLE       lphEnum
)
#endif
{
	return m_pfnWNetOpenEnum (

		dwScope,
		dwType,
		dwUsage,
		lpNetResource,
		lphEnum
	) ;
}

#ifdef UNICODE
DWORD CMprApi :: WNetGetUser (

     IN LPCWSTR  lpName,
     OUT LPWSTR   lpUserName,
     IN OUT LPDWORD   lpnLength
)
#else
DWORD CMprApi :: WNetGetUser (

     IN LPCSTR  lpName,
     OUT LPSTR   lpUserName,
     IN OUT LPDWORD   lpnLength
)
#endif
{
	return m_pfnWNetGetUser (

		lpName,
		lpUserName,
		lpnLength
	) ;
}

DWORD CMprApi :: WNetCloseEnum (

	IN HANDLE   hEnum
)
{
	return m_pfnWNetCloseEnum (

		hEnum
	) ;
}

#ifdef UNICODE
DWORD CMprApi :: WNetGetConnection (

	 IN LPCWSTR lpLocalName,
	 OUT LPWSTR  lpRemoteName,
	 IN OUT LPDWORD  lpnLength
)
#else
DWORD CMprApi :: WNetGetConnection (

	 IN LPCSTR lpLocalName,
	 OUT LPSTR  lpRemoteName,
	 IN OUT LPDWORD  lpnLength
)
#endif
{
	return m_pfnWNetGetConnection (

		lpLocalName,
		lpRemoteName,
		lpnLength
	) ;
}