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![Huw Davies](/assets/img/avatar_default.png)
This lets dllhost quit early if the factory cannot be loaded. Signed-off-by: Huw Davies <huw@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
365 lines
9.5 KiB
C
365 lines
9.5 KiB
C
/*
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* Copyright 2022 Dmitry Timoshkov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#define COBJMACROS
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#include <windef.h>
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#include <winbase.h>
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#include <objbase.h>
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dllhost);
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struct factory
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{
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IClassFactory IClassFactory_iface;
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IMarshal IMarshal_iface;
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CLSID clsid;
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LONG ref;
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IClassFactory *dll_factory;
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};
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static inline struct factory *impl_from_IClassFactory(IClassFactory *iface)
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{
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return CONTAINING_RECORD(iface, struct factory, IClassFactory_iface);
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}
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static inline struct factory *impl_from_IMarshal(IMarshal *iface)
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{
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return CONTAINING_RECORD(iface, struct factory, IMarshal_iface);
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}
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static HRESULT WINAPI factory_QueryInterface(IClassFactory *iface,
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REFIID iid, void **ppv)
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{
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struct factory *factory = impl_from_IClassFactory(iface);
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TRACE("(%p,%s,%p)\n", iface, wine_dbgstr_guid(iid), ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(iid, &IID_IUnknown) ||
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IsEqualIID(iid, &IID_IClassFactory))
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{
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IClassFactory_AddRef(&factory->IClassFactory_iface);
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*ppv = &factory->IClassFactory_iface;
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return S_OK;
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}
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else if (IsEqualIID(iid, &IID_IMarshal))
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{
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IClassFactory_AddRef(&factory->IClassFactory_iface);
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*ppv = &factory->IMarshal_iface;
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return S_OK;
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}
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI factory_AddRef(IClassFactory *iface)
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{
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struct factory *factory = impl_from_IClassFactory(iface);
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ULONG ref = InterlockedIncrement(&factory->ref);
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TRACE("(%p)->%lu\n", iface, ref);
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return ref;
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}
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static ULONG WINAPI factory_Release(IClassFactory *iface)
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{
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struct factory *factory = impl_from_IClassFactory(iface);
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ULONG ref = InterlockedDecrement(&factory->ref);
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TRACE("(%p)->%lu\n", iface, ref);
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if (!ref)
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{
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if (factory->dll_factory) IClassFactory_Release(factory->dll_factory);
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HeapFree(GetProcessHeap(), 0, factory);
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}
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return ref;
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}
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static HRESULT WINAPI factory_CreateInstance(IClassFactory *iface,
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IUnknown *punkouter, REFIID iid, void **ppv)
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{
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FIXME("(%p,%p,%s,%p): stub\n", iface, punkouter, wine_dbgstr_guid(iid), ppv);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI factory_LockServer(IClassFactory *iface, BOOL lock)
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{
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TRACE("(%p,%d)\n", iface, lock);
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return S_OK;
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}
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static const IClassFactoryVtbl ClassFactory_Vtbl =
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{
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factory_QueryInterface,
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factory_AddRef,
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factory_Release,
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factory_CreateInstance,
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factory_LockServer
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};
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static HRESULT WINAPI marshal_QueryInterface(IMarshal *iface, REFIID iid, LPVOID *ppv)
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{
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struct factory *factory = impl_from_IMarshal(iface);
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TRACE("(%p,%s,%p)\n", iface, wine_dbgstr_guid(iid), ppv);
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return IClassFactory_QueryInterface(&factory->IClassFactory_iface, iid, ppv);
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}
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static ULONG WINAPI marshal_AddRef(IMarshal *iface)
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{
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struct factory *factory = impl_from_IMarshal(iface);
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TRACE("(%p)\n", iface);
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return IClassFactory_AddRef(&factory->IClassFactory_iface);
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}
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static ULONG WINAPI marshal_Release(IMarshal *iface)
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{
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struct factory *factory = impl_from_IMarshal(iface);
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TRACE("(%p)\n", iface);
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return IClassFactory_Release(&factory->IClassFactory_iface);
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}
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static HRESULT WINAPI marshal_GetUnmarshalClass(IMarshal *iface, REFIID iid, void *pv,
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DWORD dwDestContext, void *pvDestContext, DWORD mshlflags, CLSID *clsid)
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{
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TRACE("(%p,%s,%p,%08lx,%p,%08lx,%p)\n", iface, wine_dbgstr_guid(iid), pv,
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dwDestContext, pvDestContext, mshlflags, clsid);
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*clsid = CLSID_StdMarshal;
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return S_OK;
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}
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static HRESULT WINAPI marshal_GetMarshalSizeMax(IMarshal *iface, REFIID iid, void *pv,
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DWORD dwDestContext, void *pvDestContext, DWORD mshlflags, DWORD *size)
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{
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FIXME("(%p,%s,%p,%08lx,%p,%08lx,%p): stub\n", iface, wine_dbgstr_guid(iid), pv,
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dwDestContext, pvDestContext, mshlflags, size);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI marshal_MarshalInterface(IMarshal *iface, IStream *stream, REFIID iid,
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void *pv, DWORD dwDestContext, void *pvDestContext, DWORD mshlflags)
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{
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struct factory *factory = impl_from_IMarshal(iface);
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TRACE("(%p,%s,%p,%08lx,%p,%08lx)\n", stream, wine_dbgstr_guid(iid), pv, dwDestContext, pvDestContext, mshlflags);
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return CoMarshalInterface(stream, iid, (IUnknown *)factory->dll_factory, dwDestContext, pvDestContext, mshlflags);
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}
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static HRESULT WINAPI marshal_UnmarshalInterface(IMarshal *iface, IStream *stream,
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REFIID iid, void **ppv)
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{
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FIXME("(%p,%p,%s,%p): stub\n", iface, stream, wine_dbgstr_guid(iid), ppv);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI marshal_ReleaseMarshalData(IMarshal *iface, IStream *stream)
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{
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TRACE("(%p,%p)\n", iface, stream);
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return S_OK;
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}
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static HRESULT WINAPI marshal_DisconnectObject(IMarshal *iface, DWORD reserved)
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{
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TRACE("(%p, %08lx)\n", iface, reserved);
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return S_OK;
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}
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static const IMarshalVtbl Marshal_Vtbl =
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{
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marshal_QueryInterface,
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marshal_AddRef,
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marshal_Release,
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marshal_GetUnmarshalClass,
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marshal_GetMarshalSizeMax,
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marshal_MarshalInterface,
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marshal_UnmarshalInterface,
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marshal_ReleaseMarshalData,
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marshal_DisconnectObject
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};
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struct surrogate
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{
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ISurrogate ISurrogate_iface;
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IClassFactory *factory;
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DWORD cookie;
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HANDLE event;
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LONG ref;
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};
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static inline struct surrogate *impl_from_ISurrogate(ISurrogate *iface)
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{
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return CONTAINING_RECORD(iface, struct surrogate, ISurrogate_iface);
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}
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static HRESULT WINAPI surrogate_QueryInterface(ISurrogate *iface,
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REFIID iid, void **ppv)
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{
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struct surrogate *surrogate = impl_from_ISurrogate(iface);
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TRACE("(%p,%s,%p)\n", iface, wine_dbgstr_guid(iid), ppv);
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if (!ppv) return E_INVALIDARG;
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if (IsEqualIID(iid, &IID_IUnknown) ||
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IsEqualIID(iid, &IID_ISurrogate))
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{
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ISurrogate_AddRef(&surrogate->ISurrogate_iface);
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*ppv = &surrogate->ISurrogate_iface;
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return S_OK;
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}
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*ppv = NULL;
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return E_NOINTERFACE;
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}
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static ULONG WINAPI surrogate_AddRef(ISurrogate *iface)
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{
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TRACE("(%p)\n", iface);
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return 2;
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}
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static ULONG WINAPI surrogate_Release(ISurrogate *iface)
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{
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TRACE("(%p)\n", iface);
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return 1;
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}
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static HRESULT WINAPI surrogate_LoadDllServer(ISurrogate *iface, const CLSID *clsid)
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{
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struct surrogate *surrogate = impl_from_ISurrogate(iface);
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struct factory *factory;
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HRESULT hr;
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TRACE("(%p,%s)\n", iface, wine_dbgstr_guid(clsid));
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factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
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if (!factory)
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return E_OUTOFMEMORY;
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factory->IClassFactory_iface.lpVtbl = &ClassFactory_Vtbl;
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factory->IMarshal_iface.lpVtbl = &Marshal_Vtbl;
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factory->clsid = *clsid;
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factory->ref = 1;
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factory->dll_factory = NULL;
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hr = CoGetClassObject(clsid, CLSCTX_INPROC_SERVER, NULL, &IID_IClassFactory, (void **)&factory->dll_factory);
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if (SUCCEEDED(hr))
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hr = CoRegisterClassObject(clsid, (IUnknown *)&factory->IClassFactory_iface,
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CLSCTX_LOCAL_SERVER, REGCLS_SURROGATE, &surrogate->cookie);
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if (FAILED(hr))
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IClassFactory_Release(&factory->IClassFactory_iface);
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else
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{
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surrogate->factory = &factory->IClassFactory_iface;
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surrogate->event = CreateEventW(NULL, FALSE, FALSE, NULL);
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}
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return hr;
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}
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static HRESULT WINAPI surrogate_FreeSurrogate(ISurrogate *iface)
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{
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struct surrogate *surrogate = impl_from_ISurrogate(iface);
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TRACE("(%p)\n", iface);
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if (surrogate->cookie)
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{
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CoRevokeClassObject(surrogate->cookie);
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surrogate->cookie = 0;
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}
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if (surrogate->factory)
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{
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IClassFactory_Release(surrogate->factory);
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surrogate->factory = NULL;
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}
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SetEvent(surrogate->event);
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return S_OK;
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}
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static const ISurrogateVtbl Surrogate_Vtbl =
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{
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surrogate_QueryInterface,
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surrogate_AddRef,
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surrogate_Release,
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surrogate_LoadDllServer,
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surrogate_FreeSurrogate
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};
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int WINAPI wWinMain(HINSTANCE hinst, HINSTANCE previnst, LPWSTR cmdline, int showcmd)
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{
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HRESULT hr;
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CLSID clsid;
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struct surrogate surrogate;
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TRACE("Running as %u-bit\n", (int)sizeof(void *) * 8);
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if (wcsnicmp(cmdline, L"/PROCESSID:", 11))
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return 0;
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cmdline += 11;
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surrogate.ISurrogate_iface.lpVtbl = &Surrogate_Vtbl;
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surrogate.factory = NULL;
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surrogate.cookie = 0;
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surrogate.event = NULL;
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surrogate.ref = 1;
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CoInitializeEx(NULL, COINIT_MULTITHREADED);
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hr = CLSIDFromString(cmdline, &clsid);
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if (hr == S_OK)
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{
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CoRegisterSurrogate(&surrogate.ISurrogate_iface);
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hr = ISurrogate_LoadDllServer(&surrogate.ISurrogate_iface, &clsid);
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if (hr != S_OK)
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{
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ERR("Can't create instance of %s\n", wine_dbgstr_guid(&clsid));
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goto cleanup;
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}
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while (WaitForSingleObject(surrogate.event, 30000) != WAIT_OBJECT_0)
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CoFreeUnusedLibraries();
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}
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cleanup:
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CoUninitialize();
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return 0;
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}
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