• Home
 · 
• Windows System Services
 · 
• The code Works under NT/XP to shutdown the system

The code Works under NT/XP to shutdown the system

The code Works under NT/XP to shutdown the system

Rate The code Works under NT/XP to shutdown the system

• 1
• 2
• 3
• 4
• 5

(1(1 Vote))

         UsedPart As Long
         IgnoredForNowHigh32BitPart As Long
      End Type

      Private Type TOKEN_PRIVILEGES
        PrivilegeCount As Long
        TheLuid As LUID
        Attributes As Long
      End Type

      Private Const EWX_SHUTDOWN As Long = 1
      Private Const EWX_FORCE As Long = 4
      Private Const EWX_REBOOT = 2

      Private Declare Function ExitWindowsEx Lib "user32" (ByVal _
           dwOptions As Long, ByVal dwReserved As Long) As Long

      Private Declare Function GetCurrentProcess Lib "kernel32" () As Long
      Private Declare Function OpenProcessToken Lib "advapi32" (ByVal _
         ProcessHandle As Long, _
         ByVal DesiredAccess As Long, TokenHandle As Long) As Long
      Private Declare Function LookupPrivilegeValue Lib "advapi32" _
         Alias "LookupPrivilegeValueA" _
         (ByVal lpSystemName As String, ByVal lpName As String, lpLuid _
         As LUID) As Long
      Private Declare Function AdjustTokenPrivileges Lib "advapi32" _
         (ByVal TokenHandle As Long, _
         ByVal DisableAllPrivileges As Long, NewState As TOKEN_PRIVILEGES _
         , ByVal BufferLength As Long, _
      PreviousState As TOKEN_PRIVILEGES, ReturnLength As Long) As Long

Private Sub AdjustToken()
         Const TOKEN_ADJUST_PRIVILEGES = &H20
         Const TOKEN_QUERY = &H8
         Const SE_PRIVILEGE_ENABLED = &H2
         Dim hdlProcessHandle As Long
         Dim hdlTokenHandle As Long
         Dim tmpLuid As LUID
         Dim tkp As TOKEN_PRIVILEGES
         Dim tkpNewButIgnored As TOKEN_PRIVILEGES
         Dim lBufferNeeded As Long

         hdlProcessHandle = GetCurrentProcess()
         OpenProcessToken hdlProcessHandle, (TOKEN_ADJUST_PRIVILEGES Or _
            TOKEN_QUERY), hdlTokenHandle

      ' Get the LUID for shutdown privilege.
         LookupPrivilegeValue "", "SeShutdownPrivilege", tmpLuid

         tkp.PrivilegeCount = 1    ' One privilege to set
         tkp.TheLuid = tmpLuid
         tkp.Attributes = SE_PRIVILEGE_ENABLED

     ' Enable the shutdown privilege in the access token of this process.
         AdjustTokenPrivileges hdlTokenHandle, False, _
         tkp, Len(tkpNewButIgnored), tkpNewButIgnored, lBufferNeeded

     End Sub


Private Sub Command1_Click()
         AdjustToken
         ExitWindowsEx (EWX_SHUTDOWN Or EWX_FORCE Or EWX_REBOOT), &HFFFF
      End Sub