Win Xp firewall detection

Hi there, I am trying to retrieve the current state of the Windows XP firewall in my program. I can do it fine for the local firewall settings, however I don't know how to retrieve it when the PC is in a domain with a GPO setting for it.

Here is a snippet of my code: I can determine when the firewall profile is of type NET_FW_PROFILE_DOMAIN, but how do I retrieve it? in MSDN I can only see a method to retrieve the local one.

Code:

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HRESULT CFirewall::WindowsFirewallInitialize(OUT INetFwProfile **fwProfile)
 *fwProfile = NULL;
  NET_FW_PROFILE_TYPE fwPType;

  // Create an instance of the firewall settings manager.
  hr = CoCreateInstance(__uuidof(NetFwMgr), NULL, CLSCTX_INPROC_SERVER, __uuidof(INetFwMgr), (void **)&fwMgr);
  if(FAILED(hr))
    ShowError("CoCreate Instance failed.", hr);

  hr = fwMgr->get_CurrentProfileType(&fwPType);
  //if(fwPType == NET_FW_PROFILE_DOMAIN) //domain type get its settings

  // Retrieve the current firewall policy.  Local or Domain
  hr = fwMgr->get_LocalPolicy(&fwPolicy);  //this will retrieve the local policy only, how do I get the Domain based profile instead?
  if(FAILED(hr))
    ShowError("Get local policy failed.", hr);

  // Retrieve the firewall profile currently in effect.
  hr = fwPolicy->GetProfileByType(fwPType, fwProfile);
  if(FAILED(hr))
    ShowError("Get current profile failed.", hr);

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>> //this will retrieve the local policy only, how do I get the Domain based profile instead?
The INetFwProfile instance returned by fwPolicy->GetProfileByType() - isn't its Type property also NET_FW_PROFILE_DOMAIN? If so, then you've got your domain-profile-type instance.

Quote:

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Originally Posted by MSDN

Instances of [INetFwPolicy] are retrieved through the LocalPolicy property of the INetFwMgr interface.

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That looks like the only place you can get a INetFwPolicy instance. It doesn't look like INetFwPolicy needs to have multiple instances, since a single instance can get you any profile type.

What is intersting however, is that there's a documented NET_FW_POLICY_TYPE enum but there's no method or property tha uses that type....

gg