mServicesControl.bas

'UNKNOWN
'**************************************
' Name: NT Service Module (Run EXE as Se
' rvice)
' Descrīption:Use this modified code fro
' m the MSDN CDs to add your executable to
' the NT service list to be loaded without
' logging in! Make your EXE run in the bac
' kground and keep running even if the use
' r logs off.
' By: Paul Mather
'**************************************

Option Explicit

' Put this Code in a Standard Module
' This code was taken from the MSDN CDs
' and modified
' to allow for easier use.
' MSDN Topic: INFO: Running Visual Basic
' Applications as Windows NT Services
Private Const SERVICE_WIN32_OWN_PROCESS = &H10&

Private Const SERVICE_WIN32_SHARE_PROCESS = &H20&

Private Const SERVICE_WIN32 = SERVICE_WIN32_OWN_PROCESS + SERVICE_WIN32_SHARE_PROCESS

Private Const SERVICE_ACCEPT_STOP = &H1

Private Const SERVICE_ACCEPT_PAUSE_CONTINUE = &H2

Private Const SERVICE_ACCEPT_SHUTDOWN = &H4

Private Const SC_MANAGER_CONNECT = &H1

Private Const SC_MANAGER_Create_SERVICE = &H2

Private Const SC_MANAGER_ENUMERATE_SERVICE = &H4

Private Const SC_MANAGER_LOCK = &H8

Private Const SC_MANAGER_QUERY_LOCK_STATUS = &H10

Private Const SC_MANAGER_MODIFY_BOOT_CONFIG = &H20

Private Const STANDARD_RIGHTS_REQUIRED = &HF0000

Private Const SERVICE_QUERY_CONFIG = &H1

Private Const SERVICE_CHANGE_CONFIG = &H2

Private Const SERVICE_QUERY_STATUS = &H4

Private Const SERVICE_ENUMERATE_DEPENDENTS = &H8

Private Const SERVICE_START = &H10

Private Const SERVICE_STOP = &H20

Private Const SERVICE_PAUSE_CONTINUE = &H40

Private Const SERVICE_INTERROGATE = &H80

Private Const SERVICE_USER_DEFINED_CONTROL = &H100

Private Const SERVICE_ALL_ACCESS = (STANDARD_RIGHTS_REQUIRED Or SERVICE_QUERY_CONFIG Or SERVICE_CHANGE_CONFIG Or SERVICE_QUERY_STATUS Or SERVICE_ENUMERATE_DEPENDENTS Or SERVICE_START Or SERVICE_STOP Or SERVICE_PAUSE_CONTINUE Or SERVICE_INTERROGATE Or SERVICE_USER_DEFINED_CONTROL)

Private Const SERVICE_DISABLED As Long = &H4

Private Const SERVICE_DEMAND_START As Long = &H3

Private Const SERVICE_AUTO_START As Long = &H2

Private Const SERVICE_SYSTEM_START As Long = &H1

Private Const SERVICE_BOOT_START As Long = &H0

Public Enum e_ServiceType
e_ServiceType_Disabled = 4
e_ServiceType_Manual = 3
e_ServiceType_Automatic = 2
e_ServiceType_SystemStart = 1
e_ServiceType_BootTime = 0
End Enum

Private Const SERVICE_ERROR_NORMAL As Long = &H1

Private Enum SERVICE_CONTROL
SERVICE_CONTROL_STOP = &H1
SERVICE_CONTROL_PAUSE = &H2
SERVICE_CONTROL_CONTINUE = &H3
SERVICE_CONTROL_INTERROGATE = &H4
SERVICE_CONTROL_SHUTDOWN = &H5
End Enum

Private Enum SERVICE_STATE
SERVICE_STOPPED = &H1
SERVICE_START_PENDING = &H2
SERVICE_STOP_PENDING = &H3
SERVICE_RUNNING = &H4
SERVICE_CONTINUE_PENDING = &H5
SERVICE_PAUSE_PENDING = &H6
SERVICE_PAUSED = &H7
End Enum

Private Type SERVICE_TABLE_ENTRY
lpServiceName As String

lpServiceProc As Long
lpServiceNameNull As Long
lpServiceProcNull As Long
End Type

Private Type SERVICE_STATUS
dwServiceType As Long
dwCurrentState As Long
dwControlsAccepted As Long
dwWin32ExitCode As Long
dwServiceSpecificExitCode As Long
dwCheckPoint As Long
dwWaitHint As Long
End Type

Private Declare Function StartServiceCtrlDispatcher _
Lib "advapi32.dll" _
Alias "StartServiceCtrlDispatcherA" (lpServiceStartTable As SERVICE_TABLE_ENTRY) As Long

Private Declare Function RegisterServiceCtrlHandler _
Lib "advapi32.dll" _
Alias "RegisterServiceCtrlHandlerA" (ByVal lpServiceName As String, _
ByVal lpHandlerProc As Long) As Long

Private Declare Function SetServiceStatus _
Lib "advapi32.dll" (ByVal hServiceStatus As Long, _
lpServiceStatus As SERVICE_STATUS) As Long

Private Declare Function OpenSCManager _
Lib "advapi32.dll" _
Alias "OpenSCManagerA" (ByVal lpMachineName As String, _
ByVal lpDatabaseName As String, _
ByVal dwDesiredAccess As Long) As Long

Private Declare Function CreateService _
Lib "advapi32.dll" _
Alias "CreateServiceA" (ByVal hSCManager As Long, _
ByVal lpServiceName As String, _
ByVal lpDisplayName As String, _
ByVal dwDesiredAccess As Long, _
ByVal dwServiceType As Long, _
ByVal dwStartType As Long, _
ByVal dwErrorControl As Long, _
ByVal lpBinaryPathName As String, _
ByVal lpLoadOrderGroup As String, ByVal lpdwTagId As String, ByVal lpDependencies As String, ByVal lp As String, ByVal lpPassword As String) As Long

Private Declare Function DeleteService _
Lib "advapi32.dll" (ByVal hService As Long) As Long
Declare Function CloseServiceHandle _
Lib "advapi32.dll" (ByVal hSCObject As Long) As Long
Declare Function OpenService _
Lib "advapi32.dll" _
Alias "OpenServiceA" (ByVal hSCManager As Long, _
ByVal lpServiceName As String, _
ByVal dwDesiredAccess As Long) As Long

Private hServiceStatus As Long

Private ServiceStatus
As SERVICE_STATUS
Dim SERVICE_NAME As String

Public Sub InstallService(ServiceName As String, _
ServiceFilePath, _
serviceType As e_ServiceType)
Dim hSCManager As Long
Dim hService As Long
Dim cmd As String
Dim lServiceType As Long
Dim iph As Long

Select Case serviceType

Case e_ServiceType_Automatic
lServiceType = SERVICE_AUTO_START

Case e_ServiceType_BootTime
lServiceType = SERVICE_BOOT_START

Case e_ServiceType_Disabled
lServiceType = SERVICE_DISABLED

Case e_ServiceType_Manual
lServiceType = SERVICE_DEMAND_START

Case e_ServiceType_SystemStart
lServiceType = SERVICE_SYSTEM_START
End Select

hSCManager = OpenSCManager(vbNullString, vbNullString, SC_MANAGER_Create_SERVICE)
' CreateService (ByVal hSCManager As Long, ByVal lpServiceName As String, ByVal lpDisplayName As String, ByVal dwDesiredAccess As Long, ByVal dwServiceType As Long, ByVal dwStartType As Long, ByVal dwErrorControl As Long, ByVal lpBinaryPathName As String, ByVal lpLoadOrderGroup As String, ByVal lpdwTagId As String, ByVal lpDependencies As String, ByVal lp As String, ByVal lpPassword As String) As Long
hService = CreateService(hSCManager, ServiceName, ServiceName, SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS, lServiceType, SERVICE_ERROR_NORMAL, ServiceFilePath, vbNullString, vbNullString, vbNullString, vbNullString, vbNullString)
'iph = RegisterServiceCtrlHandler(serviceName, hService)
CloseServiceHandle hService
CloseServiceHandle hSCManager
End Sub

Public Sub RemoveService(ServiceName As String)
Dim hSCManager As Long
Dim hService As Long
Dim cmd As String
hSCManager = OpenSCManager(vbNullString, vbNullString, SC_MANAGER_Create_SERVICE)
hService = OpenService(hSCManager, ServiceName, SERVICE_ALL_ACCESS)
DeleteService hService
CloseServiceHandle hService
CloseServiceHandle hSCManager
End Sub

Public Function RunService(ServiceName As String) As Boolean
Dim ServiceTableEntry As SERVICE_TABLE_ENTRY
Dim b As Boolean
ServiceTableEntry.lpServiceName = ServiceName
SERVICE_NAME = ServiceName
ServiceTableEntry.lpServiceProc = FncPtr(AddressOf ServiceMain)
b = StartServiceCtrlDispatcher(ServiceTableEntry)
RunService = b
Debug.Print b
End Function

Private Sub Handler(ByVal fdwControl As Long)
Dim b As Boolean

Select Case fdwControl

Case SERVICE_CONTROL_PAUSE
ServiceStatus.dwCurrentState = SERVICE_PAUSED

Case SERVICE_CONTROL_CONTINUE
ServiceStatus.dwCurrentState = SERVICE_RUNNING

Case SERVICE_CONTROL_STOP
ServiceStatus.dwWin32ExitCode = 0
ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING
ServiceStatus.dwCheckPoint = 0
ServiceStatus.dwWaitHint = 0
b = SetServiceStatus(hServiceStatus, ServiceStatus)
ServiceStatus.dwCurrentState = SERVICE_STOPPED

Case SERVICE_CONTROL_INTERROGATE

Case Else
End Select

b = SetServiceStatus(hServiceStatus, ServiceStatus)
End Sub

Private Function FncPtr(ByVal fnp As Long) As Long
FncPtr = fnp
End Function

Private Sub ServiceMain(ByVal dwArgc As Long, _
ByVal lpszArgv As Long)
Dim b As Boolean
'Set initial state
ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS
ServiceStatus.dwCurrentState = SERVICE_START_PENDING
ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP Or SERVICE_ACCEPT_PAUSE_CONTINUE Or SERVICE_ACCEPT_SHUTDOWN
ServiceStatus.dwWin32ExitCode = 0
ServiceStatus.dwServiceSpecificExitCode = 0
ServiceStatus.dwCheckPoint = 0
ServiceStatus.dwWaitHi
nt = 0
hServiceStatus = RegisterServiceCtrlHandler(SERVICE_NAME, AddressOf Handler)
ServiceStatus.dwCurrentState = SERVICE_START_PENDING
b = SetServiceStatus(hServiceStatus, ServiceStatus)
ServiceStatus.dwCurrentState = SERVICE_RUNNING
b = SetServiceStatus(hServiceStatus, ServiceStatus)
End Sub