Windows-7：在隐藏时禁用 inte.net 连接共享 on.network 适配器 state？

Question

I'm trying to share inte.net over a.network adapter on windows-7 using NetConLib.dll .

In order to do this, inte.net sharing should be disabled on all other.network adapters.

In normal cases. I can iterate all the installed.network adapters and disable sharing on them. However , sometimes when the.network device is unplugged , the adapter is hidden in windows. But it's properties is still present inside windows registry.

I can't even find the adapter in Control Panel. And off course, can't iterate it using the NetConlib library.

Possible scenarios.

• The easiest way, would be using a windows command to disable inte.net sharing on all the adapters. Regardless of their visibility.

  Is that possible in anyway?

• The second solution is to recover the.network adapter from hidden state, so that NetConlib could iterate through it and disable it.

  I tried to find the adapter's properties in windows registry and unhide it, But couldn't find anything .

Any solution?

---

@erm3nda.

Thank you for the informative answer. Although it didn't fix the problem I'm facing with NetConlib .

SC config correctly shuts down ICS service. But the shared.network adapter continues on being flagged as Shared ¹ . So ICS service being turned off doesn't seem to affect the adapters' settings.

Quite interestingly; when you try to share another adapter using windows GUI ( Right click on adapter -> Properties -> Share ), a message is prompted telling you

"there is another adapter being shared currently, your new adapter will be shared instead". You click ok and it's done.

I've been digging the entire inte.net the whole afternoon to see if there are other solutions using CMD commands.

Maybe there could be a away to share an adapter with a command. This way windows would handle disabling other adapters. In a similar way as when the GUI is used.

---

^{1: Windows tells you which adapter is currently being shared in Control Panel\Network and Inte.net\Network Connections ).}

Answer 1

Possible solution 1: Disable ICS at all. You can stop ICS service, so none of the connections will be at sharing status and will not conflict with NetConLib.dll . (Not sure about the hidden ones, you must try).

You can manage it from command line using: net start SharedAccess or net stop SharedAccess

Also, if you need to disable it from reboot to, must disable service using: sc config SharedAccess start= disabled

Notes and references:

• Executing sc config will display "start= OPTIONS" and some other. The space below = and option is mandatory. You can check result running services.msc from Run or cmd.
• Exec net to display OPTIONS. The name of service is on the services.msc list under "Name of the service" label from ICS service.
• netsh routing is not on Win7 anymore, so you only can start/stop/enable/disable but not enable for a particular Interface. You must set by handMouse... This not work under Win7 ICS into XP system
• Sc Config command was from this cool documentation i found today .

Possible solution 2: Remove ghost interfaces? I try also around Adapters and interfaces into registry and do not see anything about show/hid/ghost/enabled or similar. I also search here kb 314053 for registry conf.

I can suggeest try Possible solution 1 :) or directly delete hidden/ghost adapters. You can do it by two ways. Devcon remove option will delete also drivers.

• Device manager: Run set devmgr_show_nonpresent_devices=1 and run devmgmt.msc . You must see over "See" a "Show hidden" option. The show_nonpresent must reveal also hidden devices, not only inactive. kb 269155 - You must click over #link named "Let me fix it myself"
• With devcon.exe utility: This is a device manager tool from Windows with power moves. You will find a very big and helpfull guide here .

Basic usage for find netcards devcon findall =net , also you can devcon findall =net *ndis* to list all ndis cards. Basic usage for remove will be devcon remove =net *ndis* to remove all ndis card type.

I try also enable/disable commands but nothing has change into my network interfaces list. I removed my own wifi card to test it :) Anyway, i didn't notice any option about "Unhide" feature for such devices from conections panel.

NEW EDIT (Too much verbose, right?)

I found a tool called ics-manager from this superuser post. - read answer #3 You can download directly from utapyngo's Git project page .

It's based on .Net Framework 4. Yo must download and run the build.bat to compile both exe's (You got also the C# source). The solution is to get only the compiled IcsManager.exe (command line version) with the only needed library IcsManagerLibrary.dll.

This app is using also NETCONLib.dll , so you can use it, or read the source to see wich is the correct function you need to do it and implement on your development.

If you got problems with the Ip range "192.168.137.1", you can set from Registry permanently, or run netsh interface ipv4 set address name="YOUR-INTERFACE" source=static addr=192.168.2.1 mask=255.255.255.0 . You will got ugly errors from launch the netsh interface using tilde or accutes into interfaces name (Spanish default ethernet name is "Conexión de áreal local"... a joke).

Note: You can pack all at once, using first a Bat to call the IcsManager.exe' with the arguments needed, then launch the netsh configure command later from same batch to full configure.

Comment: About the prompt when try to overwrite an shared connection, it's surely because only one could be shared. I also see, they are configured as Public and Home to set the pair, but i can't find where's the registry key...Also make some exports from reg and using Diffs, no lucky. I got stuck at diffs and start to search "ICS C++ and C#" on Google, then found it.

Extra: I got the netsh it into a bat, and it's launched for Windows Task when a Ethernet cable is plugged (Here is the howto) in order to use with Android Reverse Tethering. As you can see, im too interesting into your question because it makes me research better and also learned a lot.

Sorry about my bad English. Im not. Regards.

Answer 2

I found that by going into Device Manager, you can show the Hidden Devices and try to disable the internet sharing on the adapters.

Hopefully this is near what you are asking. Good luck!

Atm

Source: http://msdn.microsoft.com/en-us/library/windows/hardware/ff553955%28v=vs.85%29.aspx

Answer 3

I'm about 10 years late to the party, but the complete solution to this problem is nowhere else on the inte.net. In order to disable inte.net connection sharing for a device that is unplugged or uninstalled you will need to:

• Clear the shared access registry
• Clear the WMI sharing entry for the device
• Disable sharing through the.netcon library

Clearing the registry:

You need to set two registry keys to 0xFFFFFFFF :

• HKLM:\Software\Microsoft\Windows\CurrentVersion\SharedAccess\PrivateIndex and
• HKLM:\Software\Microsoft\Windows\CurrentVersion\SharedAccess\PublicIndex

For example in powershell:

Set-ItemProperty -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\SharedAccess" -Name "PrivateIndex" -Value 0xFFFFFFFF
Set-ItemProperty -Path "HKLM:\Software\Microsoft\Windows\CurrentVersion\SharedAccess" -Name "PublicIndex" -Value 0xFFFFFFFF

Clear the WMI sharing entry for the device:

For every HNet_ConnectionProperties you must ensure IsIcsPublic and IsIcsPrivate is set to false . You can view which interface has IsIcsPublic or IsIcsPrivate set in powershell:

Get-CimInstance -ClassName 'HNet_ConnectionProperties' -Namespace 'root\Microsoft\HomeNet' | Format-Table

Unfortunately, the Set-CimInstance cmdlet does not appear to work in this scenario, so we have to choose another language. Fortunately, code to set these values to false can be found online. For example, here is some C# that performs this task (attibuted to utapyngo )

    public static void CleanupWMISharingEntries()
    {
        var scope = new ManagementScope("root\\Microsoft\\HomeNet");
        scope.Connect();

        var options = new PutOptions();
        options.Type = PutType.UpdateOnly;

        var query = new ObjectQuery("SELECT * FROM HNet_ConnectionProperties");
        var srchr = new ManagementObjectSearcher(scope, query);
        foreach (ManagementObject entry in srchr.Get())
        {
            if ((bool)entry["IsIcsPrivate"])
                entry["IsIcsPrivate"] = false;
            if ((bool)entry["IsIcsPublic"])
                entry["IsIcsPublic"] = false;
            entry.Put(options);
        }
    }

... and some vbscript (attributed to billchaison ):

set WMI = GetObject("WinMgmts:\root\Microsoft\HomeNet")
set objs1 = WMI.ExecQuery("SELECT * FROM HNet_ConnectionProperties WHERE IsIcsPrivate = TRUE")
for each obj in objs1
    obj.IsIcsPrivate = FALSE
    obj.Put_
next
set objs2 = WMI.ExecQuery("SELECT * FROM HNet_ConnectionProperties WHERE IsIcsPublic = TRUE")
for each obj in objs2
    obj.IsIcsPublic = FALSE
    obj.Put_
next

Disable sharing through the.netcon library:

This part you probably already know, but for completeness, here is some powershell that does it:

regsvr32.exe /s hnetcfg.dll
$NetShare = New-Object -ComObject HNetCfg.HNetShare

foreach ($RawConnection in $NetShare.EnumEveryConnection) {
    $Sharing = $NetShare.INetSharingConfigurationForINetConnection.Invoke($RawConnection)
    $Sharing.DisableSharing()
}

The documentation for the relevant COM APIs for.netcon can be found on MSDN