/*++

   Copyright (c) 2000 Microsoft Corporation.  All rights reserved.

--*/

// socksfltr.cpp : Implementation of DLL Exports.


// Note: Proxy/Stub Information
//      To build a separate proxy/stub DLL,
//      run nmake -f socksfltrps.mk in the project directory.

#include "stdafx.h"
#include "resource.h"
#include <initguid.h>
#include "socksfltr.h"
#include "socksfilter.h"
#include "socksfltr_i.c"
#include "wspfwext_i.c"
#include "socksfilter.h"


CComModule _Module;

BEGIN_OBJECT_MAP(ObjectMap)
OBJECT_ENTRY(CLSID_socksfilter, Csocksfilter)
END_OBJECT_MAP()

/////////////////////////////////////////////////////////////////////////////
// DLL Entry Point

extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID /*lpReserved*/)
{
    if (dwReason == DLL_PROCESS_ATTACH)
    {
        _Module.Init(ObjectMap, hInstance, &LIBID_SOCKSFLTRLib);
        DisableThreadLibraryCalls(hInstance);
    }
    else if (dwReason == DLL_PROCESS_DETACH)
        _Module.Term();
    return TRUE;    // ok
}

/////////////////////////////////////////////////////////////////////////////
// Used to determine whether the DLL can be unloaded by OLE

STDAPI DllCanUnloadNow(void)
{
    return (_Module.GetLockCount()==0) ? S_OK : S_FALSE;
}

/////////////////////////////////////////////////////////////////////////////
// Returns a class factory to create an object of the requested type

STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
    return _Module.GetClassObject(rclsid, riid, ppv);
}


//Prototype
HRESULT RegisterApplicationFilter(BOOL fRegister);

/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registry

STDAPI DllRegisterServer(void)
{
    HRESULT hr;
    // registers object, typelib and all interfaces in typelib
    hr = _Module.RegisterServer(TRUE);
    return hr;
}

/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registry

STDAPI DllUnregisterServer(void)
{
    return _Module.UnregisterServer(TRUE);
}


/////////////////////////////////////////////////////////////////////////////
// DllInstall - Application filter installation
STDAPI
DllInstall(
    BOOL bInstall,
    LPCWSTR 
)
{
    return RegisterApplicationFilter(bInstall);
}

HRESULT RegisterApplicationFilter(BOOL fRegister)
{
    HRESULT hr;
    IFWXFilterAdmin *ifa = NULL;

    // Get instance of filter admin object.
    hr = CoCreateInstance(
        CLSID_FWXFilterAdmin,
        NULL,
        CLSCTX_INPROC_SERVER,
        IID_IFWXFilterAdmin,
        (void**)&ifa);
    if (FAILED(hr)) {
        return hr;
    }

    // Register / unregister
    if (fRegister) {
        hr = ifa->InstallFilter(
            CLSID_socksfilter, // GUID
            L"SOCKS V5 Sample Filter", //name
            L"This filter simulate the socks 5 protocol. ", // Description
            L"Microsoft", //vendor
            L"4.0",// Version
            NULL,
            NULL,
            0
            );
        // It is OK if already installed.
        if (hr == HRESULT_FROM_WIN32(ERROR_ALREADY_EXISTS)) {
            hr = S_OK;
        }


    } else {
        hr = ifa->UninstallFilter(CLSID_socksfilter);
    }




    ifa->Release();

    return hr;
}


#include "SocksConnection.h"