FeatureDemo.cpp

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//
//    (C) Copyright 2011 EaseFilter Technologies Inc.
//    All Rights Reserved
//
//    This software is part of a licensed software product and may
//    only be used or copied in accordance with the terms of that license.
//

#include "stdafx.h"
#include "Tools.h"
#include "UnitTest.h"

#define MAX_ERROR_MESSAGE_SIZE  1024

static WCHAR* testFolder = L"c:\\filterTest";
static WCHAR* filterMask = L"c:\\filterTest\\*";
static WCHAR* testFile = L"c:\\filterTest\\myTestFile.txt";
static WCHAR* reparseFolder = L"c:\\reparse";
static WCHAR* reparseMask = L"c:\\reparse\\*";
static WCHAR* reparseFile = L"c:\\reparse\\myTestFile.txt";
static CHAR* testData = "EaseFilter Test Data for read/write,This is the original data when we setup a new test file.\n For callback filter read/write test,It will modify this data";
static CHAR* replaceData = "This replace data test,it is not in the file.It will replace/merge  the original data";
static CHAR* reparseData = "EaseFilter Test Data for reparse open,this is the data from reparse file open.";
static LONGLONG testFileSize = 2147483648; //2 GB;


BOOL
IsTestFile(WCHAR* fileName,ULONG fileNameLength )
{
    if( _wcsnicmp(testFile,fileName,wcslen(testFile)) == 0)
    {
        return TRUE;
    }
    else
    {
        return FALSE;
    }
}

BOOL
IsTestFolder(WCHAR* fileName )
{
    if( _wcsnicmp(testFolder,fileName,wcslen(testFolder)) == 0)
    {
        return TRUE;
    }
    else
    {
        return FALSE;
    }
}

WCHAR*
GetFilterMask()
{
    return filterMask;
}

WCHAR*
GetTestReparseFileName()
{
    return reparseFile;
}

CHAR*
GetReplaceData()
{
    return replaceData;
}

LONGLONG
GetTestFileSize()
{
    return testFileSize;
}

LARGE_INTEGER
GetTestFileTime()
{
    SYSTEMTIME st;
    FILETIME fileTime;
    GetSystemTime(&st);

    /*printf("Current SystemTime: Year:%d Month:%d Day:%d Hour:%d Min:%d Second:% d\n" 
        ,st.wYear,st.wMonth,st.wDay,st.wHour,st.wMinute,st.wSecond);*/

    //set the test file time to 2011/11/11
    st.wYear = 2011;
    st.wMonth = 11;
    st.wDay = 11;
    st.wHour = 11;
    st.wMinute = 11;
    st.wSecond = 11;
    st.wMilliseconds = 11;

    SystemTimeToFileTime(&st,&fileTime);

    LARGE_INTEGER large;
    large.LowPart=fileTime.dwLowDateTime;
    large.HighPart=fileTime.dwHighDateTime;

    return large;
}

BOOL
CreateTestFile(WCHAR* folder,WCHAR* fileName,CHAR* data)
{
    LARGE_INTEGER ByteOffset = {0};
    OVERLAPPED Overlapped = {0};
    DWORD dwTransferred = 0;
    DWORD Length = 0;
    int nError = ERROR_SUCCESS;
    BOOL ret = FALSE;

    //Create the test folder.
    ret = CreateDirectory(folder,NULL);

    if( ret == 0 )
    {
        nError = GetLastError();
        if( nError != ERROR_ALREADY_EXISTS )
        {
            PrintErrorMessage(L"Create test folder failed.", nError);
            return FALSE;
        }
    }

    //Remove readOnly attribue if it exist.
    SetFileAttributes(fileName,FILE_ATTRIBUTE_NORMAL);

    //Create the test file,if it exist, overwrite it.
    HANDLE pFile = CreateFile(fileName,GENERIC_WRITE,NULL,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);

    if( pFile == INVALID_HANDLE_VALUE )
    {
        PrintErrorMessage(L"Create test file failed.", GetLastError());
        return FALSE;
    }

    Length = (DWORD)strlen(data);

    // Write test data to the test file.
    if(!WriteFile(pFile, data, Length, &dwTransferred, NULL))
    {
        nError = GetLastError();
        PrintErrorMessage(L"WriteFile failed.", nError);
        ret = FALSE;
        goto EXIT;
    }

    ret = TRUE;

EXIT:

    CloseHandle(pFile);

    return ret;

}

BOOL
SetupTestEnvironment()
{
    BOOL ret = CreateTestFile(testFolder,testFile,testData);

    if(!ret)
    {
        return ret;
    }

    ret = CreateTestFile(reparseFolder,reparseFile,reparseData);

    return ret;
}

BOOL
AccessFlagControlDemo()
{
    BOOL ret = FALSE;
    CHAR buffer[4096];
    ULONG bufferLength = sizeof(buffer);
    HANDLE pFile = INVALID_HANDLE_VALUE;
    ULONG accessFlag = 0;
    DWORD   dwError = 0;

    //Test Remove ALLOW_OPEN_WTIH_ACCESS_SYSTEM_SECURITY
    accessFlag = (~ALLOW_OPEN_WTIH_ACCESS_SYSTEM_SECURITY)&ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");

     pFile = CreateFile(testFile,ACCESS_SYSTEM_SECURITY,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE != pFile )
    {
      PrintErrorMessage(L"ALLOW_OPEN_WTIH_ACCESS_SYSTEM_SECURITY test failed.",0);
      ret = FALSE;
      goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_OPEN_WTIH_ACCESS_SYSTEM_SECURITY test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_OPEN_WTIH_ACCESS_SYSTEM_SECURITY test passed.\n");
    }

    
    //Test Remove ALLOW_OPEN_WITH_READ_ACCESS
    accessFlag = (~ALLOW_OPEN_WITH_READ_ACCESS)&ALLOW_MAX_RIGHT_ACCESS;
    //It will overwrite the previous filter rule, since the filterMask is the same, accessFalg is different.
    AddFilterRule(accessFlag,filterMask,L"");

    pFile = CreateFile(testFile,GENERIC_READ,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE != pFile )
    {
      PrintErrorMessage(L"ALLOW_OPEN_WITH_READ_ACCESS test failed.",0);
      ret = FALSE;
      goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_OPEN_WITH_READ_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }
        PrintPassedMessage(L"ALLOW_OPEN_WITH_READ_ACCESS test passed.\n");
    }
    

    //Test Remove ALLOW_OPEN_WITH_WRITE_ACCESS
    accessFlag = (~ALLOW_OPEN_WITH_WRITE_ACCESS)&ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");

    pFile = CreateFile(testFile,GENERIC_WRITE,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE != pFile )
    {
      PrintErrorMessage(L"ALLOW_OPEN_WITH_WRITE_ACCESS test failed.",0);
      ret = FALSE;
      goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_OPEN_WITH_WRITE_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_OPEN_WITH_WRITE_ACCESS test passed.\n");
    }
    
    //Not allow open file with create or overwrite option.
    accessFlag = (~ALLOW_OPEN_WITH_CREATE_OR_OVERWRITE_ACCESS) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");

    pFile = CreateFile(testFile,GENERIC_WRITE,NULL,NULL,CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE != pFile )
    {
      PrintErrorMessage(L"ALLOW_OPEN_WITH_CREATE_OR_OVERWRITE_EXIST_FILE test failed.",0);
      ret = FALSE;
      goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_OPEN_WITH_CREATE_OR_OVERWRITE_EXIST_FILE test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_OPEN_WITH_CREATE_OR_OVERWRITE_EXIST_FILE test passed.\n");
    }
    


    //Test Remove ALLOW_OPEN_WITH_DELETE_ACCESS.
    accessFlag = (~ALLOW_OPEN_WITH_DELETE_ACCESS) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");

    pFile = CreateFile(testFile,DELETE,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE != pFile )
    {
      PrintErrorMessage(L"ALLOW_OPEN_WITH_DELETE_ACCESS test failed.",0);
      ret = FALSE;
      goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_OPEN_WITH_DELETE_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_OPEN_WITH_DELETE_ACCESS test passed.\n");
    }
    
    
    //Test Remove ALLOW_READ_ACCESS.
    accessFlag = (~ALLOW_READ_ACCESS) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    pFile = CreateFile(testFile,GENERIC_READ,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
      PrintErrorMessage(L"Open test file for read access failed.",GetLastError());
      ret = FALSE;
      goto EXIT;
    }

    ret = ReadFile(pFile,buffer,bufferLength,&bufferLength,NULL);
    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_READ_ACCESS test failed.",0);
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_READ_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_READ_ACCESS test passed.\n");
        CloseHandle(pFile);
    }

    //Test Remove ALLOW_WRITE_ACCESS.
    accessFlag = (~ALLOW_WRITE_ACCESS) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    pFile = CreateFile(testFile,GENERIC_WRITE,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
      PrintErrorMessage(L"Open test file for write access failed.",GetLastError());
      ret = FALSE;
      goto EXIT;
    }


    ret = WriteFile(pFile,buffer,bufferLength,&bufferLength,NULL);
    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_WRITE_ACCESS test failed.",0);
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_WRITE_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }
        PrintPassedMessage(L"ALLOW_WRITE_ACCESS test passed.\n");
        CloseHandle(pFile);
    }


    //Test Remove ALLOW_QUERY_INFORMATION_ACCESS.
    accessFlag = (~ALLOW_QUERY_INFORMATION_ACCESS) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    pFile = CreateFile(testFile,GENERIC_READ,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
      PrintErrorMessage(L"Open test file for query information failed.",GetLastError());
      ret = FALSE;
      goto EXIT;
    }

    BY_HANDLE_FILE_INFORMATION fileInfo;
    ret = GetFileInformationByHandle(pFile,&fileInfo);
    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_QUERY_INFORMATION_ACCESS test failed.",0);
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_QUERY_INFORMATION_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_QUERY_INFORMATION_ACCESS test passed.\n");
        CloseHandle(pFile);
    }


        
    //Test Remove ALLOW_SET_INFORMATION.
    accessFlag = (~ALLOW_SET_INFORMATION) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    pFile = CreateFile(testFile,GENERIC_ALL,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
      PrintErrorMessage(L"Open test file for set information failed.",GetLastError());
      ret = FALSE;
      goto EXIT;
    }

    //this API only support in windows vista or later version.  
    //ret = SetFileInformationByHandle(pFile,FileBasicInfo,&fileInfo,sizeof(BY_HANDLE_FILE_INFORMATION));

    //we will test with this API 
    ret = SetFileAttributes(testFile,FILE_ATTRIBUTE_READONLY);
    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_SET_INFORMATION test failed.",0);
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_SET_INFORMATION test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_SET_INFORMATION test passed.\n");
        CloseHandle(pFile);
    }

    //Test Remove ALLOW_FILE_RENAME.
    accessFlag = (~ALLOW_FILE_RENAME) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    ret = MoveFile (testFile,L"c:\\TestMoveFileNameFile.txt");
    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_FILE_RENAME test failed.",0);
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_FILE_RENAME test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_FILE_RENAME test passed.\n");
    }

    //Test Remove ALLOW_FILE_DELETE.
    accessFlag = (~ALLOW_FILE_DELETE) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    ret = DeleteFile(testFile);
    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_FILE_DELETE test failed.",0);
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_FILE_DELETE test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_FILE_DELETE test passed.\n");
    }

    //Test Remove ALLOW_FILE_SIZE_CHANGE.
    accessFlag = (~ALLOW_FILE_SIZE_CHANGE) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    pFile = CreateFile(testFile,GENERIC_ALL,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
      PrintErrorMessage(L"Open test file for file size change failed.",GetLastError());
      ret = FALSE;
      goto EXIT;
    }

    DWORD newPointer = SetFilePointer(pFile,65536,NULL,FILE_BEGIN);//set file pointer to 65536 from the beginning.

    if( INVALID_SET_FILE_POINTER == newPointer)
    {
        PrintErrorMessage(L"SetFilePointer failed.",GetLastError());
        goto EXIT;
    }

    ret = SetEndOfFile(pFile);
    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_FILE_SIZE_CHANGE test failed.",0);
        ret = FALSE;
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_FILE_SIZE_CHANGE test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_FILE_SIZE_CHANGE test passed.\n");
        CloseHandle(pFile);
    }



    //Test Remove ALLOW_QUERY_SECURITY_ACCESS.
    accessFlag = (~ALLOW_QUERY_SECURITY_ACCESS) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    BYTE SecDescBuff[0x4000];
    DWORD cbSD =  sizeof(SecDescBuff);

    ret = GetFileSecurity(testFile, DACL_SECURITY_INFORMATION, SecDescBuff, cbSD, &cbSD);
    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_QUERY_SECURITY_ACCESS test failed.",0);
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_QUERY_SECURITY_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }


        PrintPassedMessage(L"ALLOW_QUERY_SECURITY_ACCESS test passed.\n");
    }


    //Test Remove ALLOW_SET_SECURITY_ACCESS.
    accessFlag = (~ALLOW_SET_SECURITY_ACCESS) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");

    cbSD =  sizeof(SecDescBuff);

    ret = GetFileSecurity(testFile, GROUP_SECURITY_INFORMATION, SecDescBuff, cbSD, &cbSD);
    if(0 == ret)
    {
        PrintErrorMessage(L"ALLOW_SET_SECURITY_ACCESS GetFileSecurity failed.",GetLastError());
        goto EXIT;
    }
    
     ret = SetFileSecurity(testFile, GROUP_SECURITY_INFORMATION, SecDescBuff);

    if(0 != ret)
    {
        PrintErrorMessage(L"ALLOW_SET_SECURITY_ACCESS test failed.",0);
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_SET_SECURITY_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }


        PrintPassedMessage(L"ALLOW_SET_SECURITY_ACCESS test passed.\n");
    }

    
    //Test Remove ALLOW_DIRECTORY_LIST_ACCESS.
    accessFlag = (~ALLOW_DIRECTORY_LIST_ACCESS) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
     WIN32_FIND_DATA findFileData;
     pFile = FindFirstFile(filterMask, &findFileData);

    if(INVALID_HANDLE_VALUE != pFile)
    {
        PrintErrorMessage(L"ALLOW_DIRECTORY_LIST_ACCESS test failed.",0);

        printf("handle:%p  file:%d  ",pFile,findFileData.dwFileAttributes);
        FindClose(pFile);
        pFile = INVALID_HANDLE_VALUE;
        goto EXIT;
    }
    else
    {
        dwError = GetLastError();   

        if( ERROR_ACCESS_DENIED != dwError )
        {
          PrintErrorMessage(L"ALLOW_DIRECTORY_LIST_ACCESS test failed.",dwError);
          ret = FALSE;
          goto EXIT;
        }

        PrintPassedMessage(L"ALLOW_DIRECTORY_LIST_ACCESS test passed.\n");
    }

    //
    //add exclude filter mask test
    //you can add multiply exclude filter masks with the same accessFlag and same filter mask.
    //
    //Here we do the same test as above test, but we add the exclude filter mask,
    //the above test, it can't open the file with security access, now we add the exclude to our test file,
    //now we should be fine to open the file.
    //
    //
    accessFlag = (~ALLOW_SET_INFORMATION) & ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"*mytestFile.txt");
    
    pFile = CreateFile(testFile,GENERIC_ALL,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
      PrintErrorMessage(L"Open test file for set information failed.",GetLastError());
      ret = FALSE;
      goto EXIT;
    }

    //we will test with this API 
    ret = SetFileAttributes(testFile,FILE_ATTRIBUTE_READONLY);
    if(0 == ret)
    {
      PrintErrorMessage(L"exclude filter mask test failed.",0);
      ret = FALSE;
      goto EXIT;
    }
    else
    {
        PrintPassedMessage(L"exclude filter mask test passed.\n");
        CloseHandle(pFile);
        pFile = INVALID_HANDLE_VALUE;
    }



    ret = TRUE;

EXIT:

    if(!ret )
    {
       PrintFailedMessage(L"\nAccess Flag Test failed.\n\n");      
    }
    else
    {
       PrintPassedMessage(L"\nAccess Flag Test Passed.\n\n");
    }

    if( INVALID_HANDLE_VALUE != pFile )
    {
       CloseHandle(pFile);
    }

    return ret;
}

BOOL
ReparseFilterRuleDemo()
{
    
    //Test reparse open
    ULONG accessFlag = REPARSE_FILE_OPEN;   
    AddFilterRule(accessFlag,filterMask,reparseMask);

    BOOL ret = FALSE;
    HANDLE pFile = CreateFile(testFile,GENERIC_READ,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( NULL == pFile )
    {
        PrintErrorMessage(L"Open test file failed.",GetLastError());
        goto EXIT;
    }
    else
    {
        ULONG bufferLength =(ULONG)strlen(reparseData);
        CHAR* buffer = (CHAR*)malloc( bufferLength );

        if(NULL == buffer)
        {
            PrintErrorMessage(L"Reparse filter rule test failed.Can't allocate memory for test.",0);
            goto EXIT;
        }

        ret = ReadFile(pFile,buffer,bufferLength,&bufferLength,NULL);

        if(0 == ret)
        {
            PrintErrorMessage(L"Read test file failed.",GetLastError());
            goto EXIT;
        }

        if( memcmp(buffer,reparseData,bufferLength) == 0)
        {
            ret = TRUE;
        }
        else
        {
            PrintErrorMessage(L"The file open didnt reparse to the new file.",GetLastError());
            printf("ReparseData:%s\n\n",reparseData);
            printf("DataReturn:%s\n\n",buffer);
            ret = FALSE;
        }
      
    }

EXIT:

    if( ret )
    {
        PrintPassedMessage(L"\nReparse filter rule test passed.\n\n");
    }
    else
    {
        PrintFailedMessage(L"\nReparse filter rule test failed.\n\n");
    }

    if(pFile)
    {
        CloseHandle(pFile);
    }

    return ret;

}

BOOL
ReadControlFilterDemo()
{
    BOOL ret = FALSE;   

    ULONG accessFlag = ALLOW_OPEN_WITH_READ_ACCESS |ALLOW_READ_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");

    ULONG requestRegistration = PRE_FASTIO_READ|PRE_CACHE_READ|PRE_NOCACHE_READ|PRE_PAGING_IO_READ;
    RegisterIoRequest(requestRegistration);

    HANDLE pFile = CreateFile(testFile,GENERIC_READ,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
        PrintErrorMessage(L"Open file for read test failed.",GetLastError());
        goto EXIT;
    }
    else
    {
        ULONG bufferLength = (ULONG)strlen(replaceData);
        CHAR* buffer = (CHAR*)malloc( bufferLength );

        if(NULL == buffer)
        {
            PrintErrorMessage(L"Can't allocate memory for test.",0);
            goto EXIT;
        }

        ret = ReadFile(pFile,buffer,bufferLength,&bufferLength,NULL);

        if(0 == ret)
        {
            PrintErrorMessage(L"Read test file failed.",GetLastError());
            goto EXIT;
        }

        if( memcmp(buffer,replaceData,bufferLength) == 0)
        {

            //
            //in pre-read call back fucntion test, it will return replace data instead of the test data.
            //              
            ret = TRUE;
        }       
        else
        {
            PrintErrorMessage(L"Rad data wasn't replaced by replace data.",0);

            printf("Read return data:\r\n%s\r\n\r\n",buffer);
            printf("Replace data:\r\n%s\r\n\r\n",replaceData);


            ret = FALSE;
        }
      
    }

EXIT:

    if( ret )
    {
        PrintPassedMessage(L"\nRead Control Filter Test Passed.\n\n");
    }
    else
    {
        PrintFailedMessage(L"\nRead Control Filter Test Failed.\n\n");
    }

    if(pFile)
    {
        CloseHandle(pFile);
    }

    return ret;

}

BOOL
WriteControlFilterDemo()
{
    BOOL ret = FALSE;

    ULONG accessFlag = ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");

    ULONG requestRegistration = PRE_FASTIO_WRITE|PRE_CACHE_WRITE|PRE_NOCACHE_WRITE|PRE_PAGING_IO_WRITE;
    RegisterIoRequest(requestRegistration);

    HANDLE pFile = CreateFile(testFile,GENERIC_ALL,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
        PrintErrorMessage(L"Open file for write test failed.",GetLastError());
        goto EXIT;
    }
    else
    {
        CHAR* buffer ="Test write data to my file,it will replace the test data in pre-write call back test function.";
        ULONG bufferLength = (ULONG)strlen(buffer);

        ret = WriteFile(pFile,buffer,bufferLength,&bufferLength,NULL);

        if(0 == ret)
        {
            PrintErrorMessage(L"WriteFile failed.",GetLastError());
            goto EXIT;
        }

        ULONG replaceDataLength = (ULONG)strlen(replaceData);
        CHAR* replaceDataBuffer = (CHAR*)malloc( replaceDataLength );

        if(NULL == replaceDataBuffer)
        {
            ret = FALSE;
            PrintErrorMessage(L"Can't allocate memory for test.",0);
            goto EXIT;
        }

        //set file pointer the begining.
        SetFilePointer(pFile,0,NULL,FILE_BEGIN);
        ret = ReadFile(pFile,replaceDataBuffer,replaceDataLength,&replaceDataLength,NULL);

        if(0 == ret)
        {
            PrintErrorMessage(L"WriteControlFilterDemo ReadFile failed.",GetLastError());
            goto EXIT;
        }

        if( memcmp(replaceDataBuffer,replaceData,replaceDataLength) == 0)
        {

            //
            //in pre-write call back fucntion test, it will return replace data instead of the test data.
            //

            ret = TRUE;
        }       
        else
        {
            printf("Write Test Failed.\nDataFromFile:%s \n CorrectData:%s\n",replaceDataBuffer,replaceData);
            ret = FALSE;
        }
      
    }

EXIT:

    if( ret )
    {
        PrintPassedMessage(L"\nWrite Control Filter Test Passed.\n\n");
    }
    else
    {
        PrintFailedMessage(L"\nWrite Control Filter Test Failed.\n\n");
    }

    if(pFile)
    {
        CloseHandle(pFile);
    }

    return ret;

}

BOOL 
QueryInformationControlDemo()
{
    BOOL ret = FALSE;

    ULONG accessFlag = ALLOW_OPEN_WITH_READ_ACCESS|ALLOW_QUERY_INFORMATION_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    ULONG requestRegistration = PRE_QUERY_INFORMATION;
    RegisterIoRequest(requestRegistration);

    HANDLE pFile = CreateFile(testFile,GENERIC_READ,NULL,NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL);
    if( INVALID_HANDLE_VALUE == pFile )
    {
        PrintErrorMessage(L"Open test file failed.",GetLastError());
        goto EXIT;
    }
    else
    {
          FILETIME creationTime;
          FILETIME lastAccessTime;
          FILETIME lastWriteTime;
        
          ret = GetFileTime(pFile,&creationTime,&lastAccessTime,&lastWriteTime );

        if(0 == ret)
        {
            PrintErrorMessage(L"QueryInformationControlDemo GetFileInformationByHandle failed.",GetLastError());
            goto EXIT;
        }
        else 
        {
            LARGE_INTEGER writeTime = GetTestFileTime();

            if( writeTime.HighPart != lastWriteTime.dwHighDateTime || writeTime.LowPart != lastWriteTime.dwLowDateTime )
            {
                ret = FALSE;
                PrintErrorMessage(L"QueryInformationControlDemo failed. Return last write time is not correct", 0 );
            }

        }

      
    }

EXIT:

    if( ret )
    {
        PrintPassedMessage(L"\nQueryInformationControlDemo passed.\n\n");
    }
    else
    {
        PrintFailedMessage(L"\nQueryInformationControlDemo failed.\n\n");
    }

    if(pFile)
    {
        CloseHandle(pFile);
    }

    return ret;
}

BOOL
SetInformationControlDemo()
{
    BOOL ret = FALSE;

    ULONG accessFlag = ALLOW_MAX_RIGHT_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");

    ULONG requestRegistration = PRE_SET_INFORMATION;
    RegisterIoRequest(requestRegistration);

    //
    //In PRE_SET_INFORMATION call back test function,we add the readonly attribute to the file.
    //

    ret = SetFileAttributes(testFile,FILE_ATTRIBUTE_NORMAL);

    if( 0 == ret)
    {
        PrintErrorMessage(L"SetInformationControlDemo SetFileAttributes failed.",GetLastError());
        return FALSE;
    }

    ULONG attributes = GetFileAttributes(testFile);

    if( INVALID_FILE_ATTRIBUTES == attributes )
    {
        PrintErrorMessage(L"SetInformationControlDemo GetFileAttributes failed.",GetLastError());
        return FALSE;
    }

    if( attributes & FILE_ATTRIBUTE_READONLY )
    {
        ret = TRUE;
        PrintPassedMessage(L"\nSetInformationControlDemo passed.\n\n");
    }
    else
    {
        PrintFailedMessage(L"\nSetInformationControlDemo failed.\n\n");
    }


    return ret;
}

BOOL
BrowseDirectoryControlDemo()
{
    BOOL ret = FALSE;

    ULONG accessFlag = ALLOW_OPEN_WITH_READ_ACCESS|ALLOW_DIRECTORY_LIST_ACCESS;
    AddFilterRule(accessFlag,filterMask,L"");
    
    ULONG requestRegistration = POST_DIRECTORY;
    RegisterIoRequest(requestRegistration);

    WIN32_FIND_DATA ffd;
    HANDLE pFile = FindFirstFile(filterMask, &ffd);

    do
    {
      if (ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
      {
         printf("  %ws   <DIR>\n", ffd.cFileName);
      }
      else
      {
         LARGE_INTEGER filesize;
         filesize.LowPart = ffd.nFileSizeLow;
         filesize.HighPart = ffd.nFileSizeHigh;
         printf("  %ws   %I64d bytes\n", ffd.cFileName, filesize.QuadPart);

         if( filesize.QuadPart != GetTestFileSize())
         {
             PrintErrorMessage(L"Browse directory failed.Return file size is not the same as test file size.",0);
             ret = FALSE;
             break;
         }
      }
   }
   while (FindNextFile(pFile, &ffd) != 0);

   if( INVALID_HANDLE_VALUE != pFile )
    {
        FindClose(pFile);
    }
 
   DWORD dwError = GetLastError();
   if (dwError != ERROR_NO_MORE_FILES) 
   {
       PrintErrorMessage(L"Browse directory test failed. Return error:",dwError);
       ret = FALSE;
   }
   else
   {
        PrintPassedMessage(L"\nBrowseDirectoryControlDemo passed.\n\n");
        ret = TRUE;
    }
    
    return ret;
}
     
void 
SDKDemo()
{
   
    if( !SetupTestEnvironment())
    {
        PrintErrorMessage(L"Failed to setup test environment.",0);
        return;
    }

    //Reset the filter config setting.
    ResetConfigData();

    //Set filter maiximum wait for user mode response time out.
    SetConnectionTimeout(30);             

    //Set filter to file system call back type.
    if(!SetFilterType(FILE_SYSTEM_CONTROL))
    {
        PrintLastErrorMessage(L"Set filter type failed.");
        return;
    }
    
    ReparseFilterRuleDemo();

    WriteControlFilterDemo();

    AccessFlagControlDemo();//test excluded filter rule.

    ReadControlFilterDemo();

    QueryInformationControlDemo();

    SetInformationControlDemo();

    /*QuerySecurityDemo();

    SetSecurityDemo();*/

    BrowseDirectoryControlDemo();
}