[python-win32] windows firewall woes?

[Mark Hammond]

As a couple of guesses, I'd ensure you do this from an elevated process 
(ie, "run as administrator") and also be sure to use fully-qualified paths.

(The error code shown appears to be ERROR_INVALID_POINTER, but that 
might be a red herring)

Mark

On 9/03/2012 11:16 AM, Andrew Hammond wrote:
> With the following code,
>
> def add_firewall_exception():
>          app =
> win32com.client.gencache.EnsureDispatch('HNetCfg.FwAuthorizedApplication',
> 0)
> app.ProcessImageFileName = r'\Python26\python.exe'
> app.Scope = NET_FW_SCOPE_ALL
> app.IpVersion = NET_FW_IP_VERSION_ANY
> app.Enabled = True
>
>          firewall_manager =
> win32com.client.gencache.EnsureDispatch('HNetCfg.FwMgr',0)
> profile = firewall_manager.LocalPolicy.CurrentProfile
> profile.AuthorizedApplications.Add(app)
>
> I get the following error message:
>
> E:\Documents and Settings\stubby\Desktop>python -OO -i firewall.py
>  >>> add_firewall_exception()
> Traceback (most recent call last):
>    File "<stdin>", line 1, in <module>
>    File "firewall.py", line 41, in add_firewall_exception
>      profile.AuthorizedApplications.Add(app)
>    File
> "E:\python26\lib\site-packages\win32com\gen_py\58FBCF7C-E7A9-467C-80B3-FC65E8FCCA08x0x1x0.py",
> line 75, in Add
>      return self._oleobj_.InvokeTypes(2, LCID, 1, (24, 0), ((9, 1),),app
> pywintypes.com_error: (-2147352567, 'Exception occurred.', (0, None,
> None, None, 0, -2147467261), None)
>  >>> ^Z
>
> I'm not at all versed in win32com programming... any help please?
>
> On Tue, Mar 6, 2012 at 8:05 AM, Bill Tutt <bill at tutts.org
> <mailto:bill at tutts.org>> wrote:
>
>     This sounds more like a problem with your approach to servicing your
>     product, and not necessarily a python windows specific problem.
>
>     I can point you in the direction to create the firewall exception,
>     but you would still need to figure out how to arrange to have the
>     code actually execute.
>
>     Windows Firewall rule exceptions don't appear that hard to define.
>
>     Windows Firewall COM interfaces docs:
>     http://msdn.microsoft.com/en-us/library/windows/desktop/aa366449(v=vs.85).aspx
>
>     Some simplistic VBScript examples of using those interfaces:
>     http://msdn.microsoft.com/en-us/library/windows/desktop/aa366421(v=vs.85).aspx
>
>     I'd use the VBScript examples as a base and determine what kind of
>     exception is best for your needs. (i.e. as little of an exception as
>     possible)
>
>     Bill
>
>     On Mon, Mar 5, 2012 at 9:05 PM, Andrew Hammond
>     <andrew.george.hammond at gmail.com
>     <mailto:andrew.george.hammond at gmail.com>> wrote:
>
>         We have python running on a number of devices in the field and
>         have experienced problems where it appears that a windows update
>         has removed a windows firewall exception, blocking our python
>         service from operating.
>
>         Has anyone else experienced something like this? Is there a way
>         to fix it without human intervention?
>
>         Andrew
>
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>
>
>
>
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