怎样让文件不被移动，删除，复制

01#include<windows.h>

02#include<stdio.h>

03BOOL OccupyFile( LPCTSTR lpFileName );//锁定文件

04BOOL ReleaseFile(LPCTSTR lpFileName);//释放文件

05HANDLE hTargetHandle;

06int main()

07{

08OccupyFile("c:\\111.txt");

09printf("此时文件不能被删除、移动、重命名等\n");

10system("pause");

11ReleaseFile("c:\\111.txt");

12printf("此时文件可以被删除、移动、重命名等\n");

13return 0;

14}

15void RaiseToDebugP()

16{

17HANDLE hToken;

18HANDLE hProcess = GetCurrentProcess();

19if ( OpenProcessToken(hProcess, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken) )

20{

21TOKEN_PRIVILEGES tkp;

22if ( LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &tkp.Privileges[0].Luid) )

23{

24tkp.PrivilegeCount = 1;

25tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;

26BOOL bREt = AdjustTokenPrivileges(hToken, FALSE, &tkp, 0, NULL, 0) ;

27}

28CloseHandle(hToken);

29}

30}

31BOOL OccupyFile( LPCTSTR lpFileName )

32{

33BOOL     bRet;

34RaiseToDebugP();

35HANDLE hProcess = OpenProcess( PROCESS_DUP_HANDLE, FALSE, 4);    // 4为system进程号

36if ( hProcess == NULL )

37{

38hProcess = OpenProcess( PROCESS_DUP_HANDLE, FALSE, 8);         // 2K下是 8??

39if ( hProcess == NULL )

40return FALSE;

41}

42HANDLE hFile;

43hFile = CreateFile( lpFileName, GENERIC_READ, 0, NULL, CREATE_ALWAYS,FILE_ATTRIBUTE_NORMAL, NULL);

44if ( hFile == INVALID_HANDLE_VALUE )

45{

46CloseHandle( hProcess );

47return FALSE;

48}

49bRet = DuplicateHandle( GetCurrentProcess(), hFile, hProcess, &hTargetHandle,

500, FALSE, DUPLICATE_SAME_ACCESS|DUPLICATE_CLOSE_SOURCE);

51CloseHandle( hProcess );

52return bRet;

53}

54BOOL ReleaseFile(LPCTSTR lpFileName)

55{

56BOOL     bRet;

57RaiseToDebugP();

58HANDLE hProcess = OpenProcess( PROCESS_DUP_HANDLE, FALSE, 4);

59if ( hProcess == NULL )

60{

61hProcess = OpenProcess( PROCESS_DUP_HANDLE, FALSE, 8);

62if ( hProcess == NULL )

63return FALSE;

64}

65bRet=DuplicateHandle(hProcess,hTargetHandle,GetCurrentProcess(),NULL,0
,FALSE,DUPLICATE_CLOSE_SOURCE);

66CloseHandle(hProcess);

67return bRet;

68}