windows-xp/Source/XPSP1/NT/net/ias/providers/nap/dll/iasnap.cpp

///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1998, Microsoft Corp. All rights reserved.
//
// FILE
//
//    iasnap.cpp
//
// SYNOPSIS
//
//    Implementation of DLL exports for an ATL in proc server.
//
// MODIFICATION HISTORY
//
//    02/05/1998    Original version.
//    02/03/2000    Added ProxyPolicyEnforcer & UserRestrictions.
//
///////////////////////////////////////////////////////////////////////////////

#include <ias.h>
#include <iasutil.h>
#include <newop.cpp>

#include <enforcer.h>
#include <match.h>
#include <ntgroups.h>
#include <timeofday.h>
#include <userr.h>

CComModule _Module;
#include <atlimpl.cpp>

BEGIN_OBJECT_MAP(ObjectMap)
   OBJECT_ENTRY(__uuidof(AttributeMatch), AttributeMatch)
   OBJECT_ENTRY(__uuidof(NTGroups), NTGroups)
   OBJECT_ENTRY(__uuidof(TimeOfDay), TimeOfDay)
   OBJECT_ENTRY(__uuidof(PolicyEnforcer),
                IASTL::IASRequestHandlerObject<PolicyEnforcer> )
   OBJECT_ENTRY(__uuidof(ProxyPolicyEnforcer),
                IASTL::IASRequestHandlerObject<ProxyPolicyEnforcer> )
   OBJECT_ENTRY(__uuidof(URHandler),
                IASTL::IASRequestHandlerObject<UserRestrictions> )
END_OBJECT_MAP()


//////////
// DLL Entry Point
//////////
BOOL
WINAPI
DllMain(
    HINSTANCE hInstance,
    DWORD dwReason,
    LPVOID /*lpReserved*/
    )
{
   if (dwReason == DLL_PROCESS_ATTACH)
   {
     _Module.Init(ObjectMap, hInstance);

     DisableThreadLibraryCalls(hInstance);
   }
   else if (dwReason == DLL_PROCESS_DETACH)
   {
     _Module.Term();
   }

   return TRUE;
}


//////////
// 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);
}


//////////
// DllRegisterServer - Adds entries to the system registry
//////////
STDAPI DllRegisterServer(void)
{
   return  _Module.RegisterServer(TRUE);
}


//////////
// DllUnregisterServer - Removes entries from the system registry
//////////
STDAPI DllUnregisterServer(void)
{
   HRESULT hr = _Module.UnregisterServer();

   if (FAILED(hr)) return hr;

   hr = UnRegisterTypeLib(__uuidof(NetworkPolicy),
                          1,
                          0,
                          MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL),
                          SYS_WIN32);

   return hr;
}

#include <BuildTree.h>

#define IASNAPAPI
#include <xprparse.h>

//////////
// Apply an expression to a request.
//////////
HRESULT
WINAPI
IASEvaluateExpression(
    IRequest* pRequest,
    PCWSTR szExpression,
    VARIANT_BOOL *pVal
    )
{
   if (pRequest == NULL || pVal == NULL) { return E_INVALIDARG; }

   // Parse the expression into an array of tokens.
   _variant_t v;
   RETURN_ERROR(IASParseExpression(szExpression, &v));

   // Build a logic tree from the tokens.
   CComPtr<ICondition> condition;
   RETURN_ERROR(IASBuildExpression(&v, &condition));

   // Evaluate the expression.
   return condition->IsTrue(pRequest, pVal);
}

//////////
// Evaluate a one-shot time of day constraint.
//////////
HRESULT
WINAPI
IASEvaluateTimeOfDay(
    PCWSTR szTimeOfDay,
    VARIANT_BOOL *pVal
    )
{
   if (pVal == NULL) { return E_INVALIDARG; }

   // Convert the text to an hour map.
   BYTE hourMap[IAS_HOUR_MAP_LENGTH];
   DWORD dw = IASHourMapFromText(szTimeOfDay, hourMap);
   if (dw != NO_ERROR) { return HRESULT_FROM_WIN32(dw); }

   // Test the current hour.
   *pVal = theTimeOfDayEvaluator.isCurrentHourSet(hourMap) ? VARIANT_TRUE
                                                           : VARIANT_FALSE;

   return S_OK;
}

#include <xprparse.cpp>