143 lines
2.7 KiB
C++
143 lines
2.7 KiB
C++
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/*++
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Copyright (c) 1997-1999 Microsoft Corporation
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Module Name:
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Connect.cpp
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Abstract:
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Handles all outgoing interfaces
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Author:
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mquinton - 5/7/97
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Notes:
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optional-notes
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Revision History:
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--*/
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#include "stdafx.h"
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#include "windows.h"
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#include "wownt32.h"
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#include "stdarg.h"
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#include "stdio.h"
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#include "shellapi.h"
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STDMETHODIMP
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CDispatchMapper::QueryDispatchInterface(
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BSTR pIID,
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IDispatch * pDispIn,
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IDispatch ** ppDispOut
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)
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{
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IID iid;
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HRESULT hr;
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void * pVoid;
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if ( IsBadReadPtr( pDispIn, sizeof( IDispatch ) ) )
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{
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LOG((TL_ERROR, "QDI bad pDispIn"));
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return E_INVALIDARG;
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}
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if ( TAPIIsBadWritePtr( ppDispOut, sizeof( IDispatch * ) ) )
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{
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LOG((TL_ERROR, "QDI bad ppDispOut"));
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return E_POINTER;
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}
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*ppDispOut = NULL;
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hr = IIDFromString(
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pIID,
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&iid
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);
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if ( !SUCCEEDED(hr) )
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{
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LOG((TL_ERROR, "QDI bad bstr"));
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return E_INVALIDARG;
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}
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hr = pDispIn->QueryInterface(
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iid,
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&pVoid
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);
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if ( !SUCCEEDED(hr) )
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{
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LOG((TL_ERROR, "QDI invalid IID"));
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return E_INVALIDARG;
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}
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//
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// see if the object we are going to QI is safe for scripting
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//
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CComPtr<IObjectSafety> pObjectSafety;
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hr = pDispIn->QueryInterface(IID_IObjectSafety, (void**)&pObjectSafety);
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//
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// the object _must_ support IObjectSafety interface.
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//
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// Note: if this requirement is too strict and we need to remove it in the future,
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// we need to pass in class id for the object, and query ie category manager if
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// the object is marked safe for scripting in the registry
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//
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if ( FAILED(hr) )
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{
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((IUnknown*)pVoid)->Release();
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return hr;
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}
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//
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// do what ie does -- call setinterfacesafetyoptions with safe for
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// scripting options
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//
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DWORD dwXSetMask = INTERFACESAFE_FOR_UNTRUSTED_CALLER;
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DWORD dwXOptions = INTERFACESAFE_FOR_UNTRUSTED_CALLER;
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hr = pObjectSafety->SetInterfaceSafetyOptions(iid,
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dwXSetMask,
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dwXOptions);
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if (FAILED(hr))
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{
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((IUnknown*)pVoid)->Release();
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return hr;
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}
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//
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// If we got here, the object is safe for scripting. Proceeed.
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//
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*ppDispOut = (IDispatch *) pVoid;
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return S_OK;
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}
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