心动吧DELPHI网络书

program createfile;  
uses  
  Windows, SysUtils;  
//提权函数  
procedure SetPrivilege;  
var  
  TPPrev, TP: TTokenPrivileges;  
  TokenHandle: THandle;  
  dwRetLen: DWORD;  
  lpLuid: TLargeInteger;  
begin  
  OpenProcessToken(GetCurrentProcess, TOKEN_ALL_ACCESS, TokenHandle);  
  if (LookupPrivilegeValue(nil, ’SeDebugPrivilege’, lpLuid)) then  
  begin  
    TP.PrivilegeCount := 1;  
    TP.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED;  
    TP.Privileges[0].Luid := lpLuid;  
    AdjustTokenPrivileges(TokenHandle, False, TP, SizeOf(TPPrev), TPPrev, dwRetLen);  
  end;  
  CloseHandle(TokenHandle);  
end;  
procedure OccupyFile(lpFileName: string);  
var  
  hProcess, hFile, hTargetHandle: thandle;  
begin  
　//打开一个pid为４的进程，只要是存在的进程，都可以  
  hProcess := OpenProcess(PROCESS_DUP_HANDLE, FALSE, 4);  
  if (hProcess = 0) then exit;  
  //以独占模式打开目标文件  
  hFile := CreateFileA(PChar(lpFileName), GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);  
  if (hFile = INVALID_HANDLE_VALUE) then  
  begin  
    CloseHandle(hProcess);  
    exit;  
  end;  
  //把文件句柄复制到pid=4的进程中去，这样，只要pid=4的进程不退出，谁也动不了目标文件  
  DuplicateHandle(GetCurrentProcess(), hFile, hProcess, @hTargetHandle, 0, FALSE, DUPLICATE_SAME_ACCESS or DUPLICATE_CLOSE_SOURCE);  
  CloseHandle(hProcess);    
end;  
begin  
  SetPrivilege;  
  OccupyFile(’D:\Program Files\工具软件\任务管理.exe’);//这是要保护的程序名  
end.