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UPnP using COM objects

4 posts in this topic

Posted

Hello !

I found some VBS scripts to forward my ports on my UPnP router.

Here is the working VBS script named test.vbs : (from http://www.knoxscape.com/Upnp/NAT.htm)

'This program enables an IRC file transfer port
'And then puts up a prompt waiting for the user
'to be finished transferring files

Set theNatter = CreateObject( "HNetCfg.NATUPnP")
Dim mappingPorts
Set mappingPorts = theNatter.StaticPortMappingCollection

'We add a new port saying that externally accept from port 1024
'route to internal port 1024 on computer with IP 192.168.1.101
'Enabling the forward, and giving a name of the forward to be IRC

mappingPorts.Add 1024, "TCP", 1024, "192.168.1.101", TRUE, "VBS Test"

Here is the not working AutoIt script :

$oRouter = ObjCreate("HNetCfg.NATUPnP")
$oPortList = $oRouter.StaticPortMappingCollection
$oPortList.Add(9123, "TCP", 9123, "192.168.1.101", TRUE, "AutoItCOM")

It stops with this error :

>Running:(3.2.12.0):C:\Program Files\AutoIt3\autoit3.exe "D:\Development\NWGLauncher - AU3\COMUPnP2.au3"    
D:\Development\NWGLauncher - AU3\COMUPnP2.au3 (5) : ==> The requested action with this object has failed.:
$oPortList.Add(9123, "TCP", 9123, "192.168.1.101", TRUE, "AutoItCOM")
$oPortList.Add(9123, "TCP", 9123, "192.168.1.101", TRUE, "AutoItCOM")^ ERROR
->15:28:21 AutoIT3.exe ended.rc:1
>Exit code: 1   Time: 1.565

Am I right in my way to create the object, then with the methods ? "HNetCfg.NATUPnP" is a COM object isn't it ?

Thanks in advance for your help.

Regards,

Olish.

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Posted (edited)

First of all sorry for me English,

Second I am very new to AutoIt Script .

I try to mange your way to open port on Pfsense 2.0.1 and 1.2.3 version with no luck at all. Router is discoverable via UpnP.UPnPDeviceFinder and torrent programs and skype open successfully ports .

Than I try at home on cheep Chinese router and it work :) . Pfsense and some other router distribution use MiniUPnP Project link to site → http://miniupnp.free.fr/ for more information.

There is other way to open port on such routers , you can download and use standalone upnpc-shared.exe and upnpc-static.exe . Those executable work on Chinese router too :) .

Part of code below I use as “proof of concept” about simple updater based on aria2c and to control it via XML-RPC , I am very new to AutoIt Script . I modify I little bit this code to try first with COM and if fails than with MiniUPnP Project executable. May be opposite is more good way but any way see my code :) hope it will help you .

#include <Constants.au3>
Global $g_eventerror = 0 ; to be checked to know if com error occurs. Must be reset after handling.
$oMyError = ObjEvent("AutoIt.Error","MyErrFunc") ; Install a custom error handler

Global $debuglog = "debug.log"
; for windows you can use bare tail -> http://www.baremetalsoft.com/baretail/ to see output
; i preffer this way
Global $debug =1 ; 1 = Log , 0 = no log
; port 6800 is default port for aria2c here is the site link: http://aria2.sourceforge.net/
; i need NAT UPnP/NAT-PMP to open port wich is part of "proof of concept" -> to provide a simple updater for our software
; based on aria2c and control it via XML-RPC requests
$int_port = "6800" ; aria2c default port
$ext_port = "6800" ; aria2c default port
$aria2c_protol = "UDP" ; default protocol
$Description = "Aria2C p2p"

DebugMsg("-------------------Script Start-----------------")
DebugMsg("------------------------------------------------")
DebugMsg("------------------------------------------------")
DebugMsg("OSType:"&@OSType&" OSVersion:"&@OSVersion&" OSServicePack:"&@OSServicePack&" OSBuild:"&@OSBuild&" OSArch:"&@OSArch&" OSLang:"&@OSLang&" Number of Params:"&@NumParams&" ScriptFullPath:"&@ScriptFullPath&" Start Time:"&@YEAR&"-"&@MON&"-"&@MDAY&" "&@HOUR&":"&@MIN&":"&@SEC&":"&@MSEC)


if FindDevice() Then ; if we find IGD Upnp device
; at this point we know that we have IGD device and will try to open our port
; comunication between HNetCfg.NATUPnP and root device MiniUPnP is not OK
; i tested on Pfsense v2.0.1 and v1.2.3 without any luck , but works perfect ot chinies
; 20$ routers :) so will try 2-nd way firs HNetCfg.NATUPnP if fail than upnpc-static.exe or upnpc-shared.exe
;MiniUPnP Project link to site http://miniupnp.free.fr/
If UpnpPortMap(@IPAddress1,$int_port,$ext_port,$aria2c_protol,$Description) Then
DebugMsg("ok port is open on router")
; we are ok port is open on router
Else
DebugMsg("fail to open on router")
; fail :)
Endif

Endif
Func UpnpPortMap($InternalIP,$InternalPort,$ExternalPort,$Protocol,$Description )

Local $theNatter = ObjCreate( "HNetCfg.NATUPnP")
If IsObj($theNatter) Then
DebugMsg ("HNetCfg.NATUPnP.StaticPortMappingCollection now")
Local $mappingPorts = $theNatter.StaticPortMappingCollection
DebugMsg ("HNetCfg.NATUPnP.StaticPortMappingCollection.Add now")
$mappingPorts.Add($InternalPort,$Protocol,$ExternalPort,@IPAddress1,1,$Description)
; at this point we know that we have IGD divece and we was unable to open port via HNetCfg.NATUPnP StaticPortMappingCollection.Add
; so lets try with MiniUPnP Project link to site http://miniupnp.free.fr/
; many distribution use this project
If $g_eventerror = 1 Then
if miniupnpcaddstatic($InternalIP,$InternalPort,$ExternalPort,$Protocol) Then Return 1
EndIf
Return 1
Endif
Return 0
EndFunc



; this is taken from forum :)
Func FindDevice()
Dim $deviceFinder
Dim $DeviceType
Dim $Devices
Dim $Device
Dim $strDescDocURL

$deviceFinder = ObjCreate("UPnP.UPnPDeviceFinder")
$DeviceServices = ObjCreate("UPnP.UPnPServices")
$DeviceService = ObjCreate("UPnP.UPnPService")
$Device = ObjCreate("UPnP.UPnPDevice")

; we need any version of IGD device curently there only 1 and 2 :)
$DeviceType = "urn:schemas-upnp-org:device:InternetGatewayDevice:*"
$Devices = $deviceFinder.FindByType ($DeviceType, 0)


DebugMsg($strDescDocURL )
DebugMsg("Found # :" & $Devices.Count & " Devices")

If $Devices.Count = 0 Then
DebugMsg("Unable to find Device.")

EndIf

For $DeviceObj In $Devices
$deiceDescription = "Children " & $DeviceObj.Children & @CRLF & "Description " & $DeviceObj.Description & @CRLF & "FriendlyName " & $DeviceObj.FriendlyName & @CRLF & "HasChildren " & $DeviceObj.HasChildren & @CRLF & "IsRootDevice " & $DeviceObj.IsRootDevice & @CRLF & "ManufacturerName " & $DeviceObj.ManufacturerName & @CRLF & "ManufacturerURL " & $DeviceObj.ManufacturerURL & @CRLF & "ModelName " & $DeviceObj.ModelName & @CRLF & "ModelNumber " & $DeviceObj.ModelNumber & @CRLF & "ModelURL " & $DeviceObj.ModelURL & @CRLF & "ParentDevice " & $DeviceObj.ParentDevice & @CRLF & "PresentationURL " & $DeviceObj.PresentationURL & @CRLF & "RootDevice " & $DeviceObj.RootDevice & @CRLF & "SerialNumber " & $DeviceObj.SerialNumber & @CRLF & "Services " & $DeviceObj.Services & @CRLF & "Device URN Type " & $DeviceObj.Type & @CRLF & "UniqueDeviceName " & $DeviceObj.UniqueDeviceName & @CRLF & "Product Code - UPC " & $DeviceObj.UPC & @CRLF
DebugMsg("Found The Following Device(s)" & @CRLF & $deiceDescription )
Next

If $Devices.Count > 0 Then Return 1
Return 0
EndFunc

Func miniupnpcaddstatic($InternalIP,$InternalPort,$ExternalPort,$Protocol)

Local $ResultMiniUpnp = Run (@ComSpec & " /c " & ' upnpc-static.exe -a '&$InternalIP&" "&$InternalPort&" "&$ExternalPort&" "&$Protocol , @ScriptDir, @SW_HIDE, $STDERR_CHILD + $STDOUT_CHILD)
Local $upnpc_static_output
While 1
; read output from cmd command
$upnpc_static_output = StdoutRead($ResultMiniUpnp)
;exit on error
If @error Then ExitLoop

; send output to window
If $upnpc_static_output Then DebugMsg($upnpc_static_output )
Wend
EndFunc

; This is my custom error handler
; we don't want script to fail if HNetCfg.NATUPnP fails
Func MyErrFunc()
$HexNumber=hex($oMyError.number,8)
If @error Then Return
Local $msg = "COM Error with HNetCfg.NATUPnP!" & @CRLF & @CRLF & _
"err.description is: " & @TAB & $oMyError.description & @CRLF & _
"err.windescription:" & @TAB & $oMyError.windescription & @CRLF & _
"err.number is: " & @TAB & $HexNumber & @CRLF & _
"err.lastdllerror is: " & @TAB & $oMyError.lastdllerror & @CRLF & _
"err.scriptline is: " & @TAB & $oMyError.scriptline & @CRLF & _
"err.source is: " & @TAB & $oMyError.source & @CRLF & _
"err.helpfile is: " & @TAB & $oMyError.helpfile & @CRLF & _
"err.helpcontext is: " & @TAB & $oMyError.helpcontext
DebugMsg ($msg)
$g_eventerror = 1 ; something to check for when this function returns
Return
Endfunc

Func DebugMsg ($debugtext)
If $debug Then
Local $file = FileOpen(@ScriptDir&"\"&$debuglog, 1)
If $file = -1 Then
MsgBox(0, "Error", "Unable to open file."&$debuglog)
Return 0
EndIf
FileWriteLine($file, @HOUR&":"&@MIN&":"&@SEC&":"&@MSEC&"->"&$debugtext)
FileClose($file)
EndIf
Return 1
EndFunc

upnp.au3

Edited by IvanGalabov

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Posted

Yes, but you're using a third party program. Please see:

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Posted

Yes, but you're using a third party program. Please see:

Guess you are a little late as the Last poster hasn't been online since Nov 2012.

Jos

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