|  | /* | 
|  | * Copyright 2007 Jacek Caban for CodeWeavers | 
|  | * | 
|  | * This library is free software; you can redistribute it and/or | 
|  | * modify it under the terms of the GNU Lesser General Public | 
|  | * License as published by the Free Software Foundation; either | 
|  | * version 2.1 of the License, or (at your option) any later version. | 
|  | * | 
|  | * This library is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU | 
|  | * Lesser General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU Lesser General Public | 
|  | * License along with this library; if not, write to the Free Software | 
|  | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA | 
|  | */ | 
|  |  | 
|  | #include <stdarg.h> | 
|  |  | 
|  | #define COBJMACROS | 
|  |  | 
|  | #include "windef.h" | 
|  | #include "winbase.h" | 
|  | #include "winuser.h" | 
|  | #include "ole2.h" | 
|  | #include "urlmon.h" | 
|  | #include "urlmon_main.h" | 
|  |  | 
|  | #include "wine/debug.h" | 
|  |  | 
|  | WINE_DEFAULT_DEBUG_CHANNEL(urlmon); | 
|  |  | 
|  | typedef struct { | 
|  | const IInternetProtocolVtbl *lpInternetProtocolVtbl; | 
|  | const IInternetBindInfoVtbl *lpInternetBindInfoVtbl; | 
|  | const IInternetPriorityVtbl *lpInternetPriorityVtbl; | 
|  | const IInternetProtocolSinkVtbl *lpInternetProtocolSinkVtbl; | 
|  |  | 
|  | LONG ref; | 
|  |  | 
|  | IInternetProtocol *protocol; | 
|  | IInternetBindInfo *bind_info; | 
|  | IInternetProtocolSink *protocol_sink; | 
|  |  | 
|  | LONG priority; | 
|  | } BindProtocol; | 
|  |  | 
|  | #define PROTOCOL(x)  ((IInternetProtocol*) &(x)->lpInternetProtocolVtbl) | 
|  | #define BINDINFO(x)  ((IInternetBindInfo*) &(x)->lpInternetBindInfoVtbl) | 
|  | #define PRIORITY(x)  ((IInternetPriority*) &(x)->lpInternetPriorityVtbl) | 
|  | #define PROTSINK(x)  ((IInternetProtocolSink*) &(x)->lpInternetProtocolSinkVtbl) | 
|  |  | 
|  | #define PROTOCOL_THIS(iface) DEFINE_THIS(BindProtocol, InternetProtocol, iface) | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_QueryInterface(IInternetProtocol *iface, REFIID riid, void **ppv) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  |  | 
|  | *ppv = NULL; | 
|  | if(IsEqualGUID(&IID_IUnknown, riid)) { | 
|  | TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv); | 
|  | *ppv = PROTOCOL(This); | 
|  | }else if(IsEqualGUID(&IID_IInternetProtocolRoot, riid)) { | 
|  | TRACE("(%p)->(IID_IInternetProtocolRoot %p)\n", This, ppv); | 
|  | *ppv = PROTOCOL(This); | 
|  | }else if(IsEqualGUID(&IID_IInternetProtocol, riid)) { | 
|  | TRACE("(%p)->(IID_IInternetProtocol %p)\n", This, ppv); | 
|  | *ppv = PROTOCOL(This); | 
|  | }else if(IsEqualGUID(&IID_IInternetBindInfo, riid)) { | 
|  | TRACE("(%p)->(IID_IInternetBindInfo %p)\n", This, ppv); | 
|  | *ppv = BINDINFO(This); | 
|  | }else if(IsEqualGUID(&IID_IInternetPriority, riid)) { | 
|  | TRACE("(%p)->(IID_IInternetPriority %p)\n", This, ppv); | 
|  | *ppv = PRIORITY(This); | 
|  | }else if(IsEqualGUID(&IID_IAuthenticate, riid)) { | 
|  | FIXME("(%p)->(IID_IAuthenticate %p)\n", This, ppv); | 
|  | }else if(IsEqualGUID(&IID_IServiceProvider, riid)) { | 
|  | FIXME("(%p)->(IID_IServiceProvider %p)\n", This, ppv); | 
|  | }else if(IsEqualGUID(&IID_IInternetProtocolSink, riid)) { | 
|  | TRACE("(%p)->(IID_IInternetProtocolSink %p)\n", This, ppv); | 
|  | *ppv = PROTSINK(This); | 
|  | } | 
|  |  | 
|  | if(*ppv) { | 
|  | IInternetProtocol_AddRef(iface); | 
|  | return S_OK; | 
|  | } | 
|  |  | 
|  | WARN("not supported interface %s\n", debugstr_guid(riid)); | 
|  | return E_NOINTERFACE; | 
|  | } | 
|  |  | 
|  | static ULONG WINAPI BindProtocol_AddRef(IInternetProtocol *iface) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | LONG ref = InterlockedIncrement(&This->ref); | 
|  | TRACE("(%p) ref=%d\n", This, ref); | 
|  | return ref; | 
|  | } | 
|  |  | 
|  | static ULONG WINAPI BindProtocol_Release(IInternetProtocol *iface) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | LONG ref = InterlockedDecrement(&This->ref); | 
|  |  | 
|  | TRACE("(%p) ref=%d\n", This, ref); | 
|  |  | 
|  | if(!ref) { | 
|  | if(This->protocol) | 
|  | IInternetProtocol_Release(This->protocol); | 
|  | if(This->bind_info) | 
|  | IInternetBindInfo_Release(This->bind_info); | 
|  | if(This->protocol_sink) | 
|  | IInternetProtocolSink_Release(This->protocol_sink); | 
|  |  | 
|  | HeapFree(GetProcessHeap(), 0, This); | 
|  |  | 
|  | URLMON_UnlockModule(); | 
|  | } | 
|  |  | 
|  | return ref; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_Start(IInternetProtocol *iface, LPCWSTR szUrl, | 
|  | IInternetProtocolSink *pOIProtSink, IInternetBindInfo *pOIBindInfo, | 
|  | DWORD grfPI, DWORD dwReserved) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | IInternetProtocol *protocol = NULL; | 
|  | IInternetPriority *priority; | 
|  | IServiceProvider *service_provider; | 
|  | CLSID clsid = IID_NULL; | 
|  | LPOLESTR clsid_str; | 
|  | HRESULT hres; | 
|  |  | 
|  | TRACE("(%p)->(%s %p %p %08x %d)\n", This, debugstr_w(szUrl), pOIProtSink, | 
|  | pOIBindInfo, grfPI, dwReserved); | 
|  |  | 
|  | if(!szUrl || !pOIProtSink || !pOIBindInfo) | 
|  | return E_INVALIDARG; | 
|  |  | 
|  | hres = IInternetProtocolSink_QueryInterface(pOIProtSink, &IID_IServiceProvider, | 
|  | (void**)&service_provider); | 
|  | if(SUCCEEDED(hres)) { | 
|  | /* FIXME: What's protocol CLSID here? */ | 
|  | IServiceProvider_QueryService(service_provider, &IID_IInternetProtocol, | 
|  | &IID_IInternetProtocol, (void**)&protocol); | 
|  | IServiceProvider_Release(service_provider); | 
|  | } | 
|  |  | 
|  | if(!protocol) { | 
|  | IClassFactory *cf; | 
|  | IUnknown *unk; | 
|  |  | 
|  | hres = get_protocol_handler(szUrl, &clsid, &cf); | 
|  | if(FAILED(hres)) | 
|  | return hres; | 
|  |  | 
|  | hres = IClassFactory_CreateInstance(cf, (IUnknown*)BINDINFO(This), | 
|  | &IID_IUnknown, (void**)&unk); | 
|  | IClassFactory_Release(cf); | 
|  | if(FAILED(hres)) | 
|  | return hres; | 
|  |  | 
|  | hres = IUnknown_QueryInterface(unk, &IID_IInternetProtocol, (void**)&protocol); | 
|  | IUnknown_Release(unk); | 
|  | if(FAILED(hres)) | 
|  | return hres; | 
|  | } | 
|  |  | 
|  | StringFromCLSID(&clsid, &clsid_str); | 
|  | IInternetProtocolSink_ReportProgress(pOIProtSink, BINDSTATUS_PROTOCOLCLASSID, clsid_str); | 
|  | CoTaskMemFree(clsid_str); | 
|  |  | 
|  | This->protocol = protocol; | 
|  |  | 
|  | IInternetBindInfo_AddRef(pOIBindInfo); | 
|  | This->bind_info = pOIBindInfo; | 
|  |  | 
|  | IInternetProtocolSink_AddRef(pOIProtSink); | 
|  | This->protocol_sink = pOIProtSink; | 
|  |  | 
|  | hres = IInternetProtocol_QueryInterface(protocol, &IID_IInternetPriority, (void**)&priority); | 
|  | if(SUCCEEDED(hres)) { | 
|  | IInternetPriority_SetPriority(priority, This->priority); | 
|  | IInternetPriority_Release(priority); | 
|  | } | 
|  |  | 
|  | return IInternetProtocol_Start(protocol, szUrl, PROTSINK(This), BINDINFO(This), 0, 0); | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_Continue(IInternetProtocol *iface, PROTOCOLDATA *pProtocolData) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | FIXME("(%p)->(%p)\n", This, pProtocolData); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_Abort(IInternetProtocol *iface, HRESULT hrReason, | 
|  | DWORD dwOptions) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | FIXME("(%p)->(%08x %08x)\n", This, hrReason, dwOptions); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_Terminate(IInternetProtocol *iface, DWORD dwOptions) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  |  | 
|  | TRACE("(%p)->(%08x)\n", This, dwOptions); | 
|  |  | 
|  | IInternetProtocol_Terminate(This->protocol, 0); | 
|  | return S_OK; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_Suspend(IInternetProtocol *iface) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | FIXME("(%p)\n", This); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_Resume(IInternetProtocol *iface) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | FIXME("(%p)\n", This); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_Read(IInternetProtocol *iface, void *pv, | 
|  | ULONG cb, ULONG *pcbRead) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | ULONG read = 0; | 
|  | HRESULT hres; | 
|  |  | 
|  | TRACE("(%p)->(%p %u %p)\n", This, pv, cb, pcbRead); | 
|  |  | 
|  | hres = IInternetProtocol_Read(This->protocol, pv, cb, &read); | 
|  |  | 
|  | *pcbRead = read; | 
|  | return hres; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_Seek(IInternetProtocol *iface, LARGE_INTEGER dlibMove, | 
|  | DWORD dwOrigin, ULARGE_INTEGER *plibNewPosition) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | FIXME("(%p)->(%d %d %p)\n", This, dlibMove.u.LowPart, dwOrigin, plibNewPosition); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_LockRequest(IInternetProtocol *iface, DWORD dwOptions) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | FIXME("(%p)->(%08x)\n", This, dwOptions); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindProtocol_UnlockRequest(IInternetProtocol *iface) | 
|  | { | 
|  | BindProtocol *This = PROTOCOL_THIS(iface); | 
|  | FIXME("(%p)\n", This); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | #undef PROTOCOL_THIS | 
|  |  | 
|  | static const IInternetProtocolVtbl BindProtocolVtbl = { | 
|  | BindProtocol_QueryInterface, | 
|  | BindProtocol_AddRef, | 
|  | BindProtocol_Release, | 
|  | BindProtocol_Start, | 
|  | BindProtocol_Continue, | 
|  | BindProtocol_Abort, | 
|  | BindProtocol_Terminate, | 
|  | BindProtocol_Suspend, | 
|  | BindProtocol_Resume, | 
|  | BindProtocol_Read, | 
|  | BindProtocol_Seek, | 
|  | BindProtocol_LockRequest, | 
|  | BindProtocol_UnlockRequest | 
|  | }; | 
|  |  | 
|  | #define BINDINFO_THIS(iface) DEFINE_THIS(BindProtocol, InternetBindInfo, iface) | 
|  |  | 
|  | static HRESULT WINAPI BindInfo_QueryInterface(IInternetBindInfo *iface, | 
|  | REFIID riid, void **ppv) | 
|  | { | 
|  | BindProtocol *This = BINDINFO_THIS(iface); | 
|  | return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv); | 
|  | } | 
|  |  | 
|  | static ULONG WINAPI BindInfo_AddRef(IInternetBindInfo *iface) | 
|  | { | 
|  | BindProtocol *This = BINDINFO_THIS(iface); | 
|  | return IBinding_AddRef(PROTOCOL(This)); | 
|  | } | 
|  |  | 
|  | static ULONG WINAPI BindInfo_Release(IInternetBindInfo *iface) | 
|  | { | 
|  | BindProtocol *This = BINDINFO_THIS(iface); | 
|  | return IBinding_Release(PROTOCOL(This)); | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindInfo_GetBindInfo(IInternetBindInfo *iface, | 
|  | DWORD *grfBINDF, BINDINFO *pbindinfo) | 
|  | { | 
|  | BindProtocol *This = BINDINFO_THIS(iface); | 
|  | HRESULT hres; | 
|  |  | 
|  | TRACE("(%p)->(%p %p)\n", This, grfBINDF, pbindinfo); | 
|  |  | 
|  | hres = IInternetBindInfo_GetBindInfo(This->bind_info, grfBINDF, pbindinfo); | 
|  | if(FAILED(hres)) { | 
|  | WARN("GetBindInfo failed: %08x\n", hres); | 
|  | return hres; | 
|  | } | 
|  |  | 
|  | *grfBINDF |= BINDF_FROMURLMON; | 
|  | return hres; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI BindInfo_GetBindString(IInternetBindInfo *iface, | 
|  | ULONG ulStringType, LPOLESTR *ppwzStr, ULONG cEl, ULONG *pcElFetched) | 
|  | { | 
|  | BindProtocol *This = BINDINFO_THIS(iface); | 
|  | FIXME("(%p)->(%d %p %d %p)\n", This, ulStringType, ppwzStr, cEl, pcElFetched); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | #undef BINDFO_THIS | 
|  |  | 
|  | static const IInternetBindInfoVtbl InternetBindInfoVtbl = { | 
|  | BindInfo_QueryInterface, | 
|  | BindInfo_AddRef, | 
|  | BindInfo_Release, | 
|  | BindInfo_GetBindInfo, | 
|  | BindInfo_GetBindString | 
|  | }; | 
|  |  | 
|  | #define PRIORITY_THIS(iface) DEFINE_THIS(BindProtocol, InternetPriority, iface) | 
|  |  | 
|  | static HRESULT WINAPI InternetPriority_QueryInterface(IInternetPriority *iface, | 
|  | REFIID riid, void **ppv) | 
|  | { | 
|  | BindProtocol *This = PRIORITY_THIS(iface); | 
|  | return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv); | 
|  | } | 
|  |  | 
|  | static ULONG WINAPI InternetPriority_AddRef(IInternetPriority *iface) | 
|  | { | 
|  | BindProtocol *This = PRIORITY_THIS(iface); | 
|  | return IInternetProtocol_AddRef(PROTOCOL(This)); | 
|  | } | 
|  |  | 
|  | static ULONG WINAPI InternetPriority_Release(IInternetPriority *iface) | 
|  | { | 
|  | BindProtocol *This = PRIORITY_THIS(iface); | 
|  | return IInternetProtocol_Release(PROTOCOL(This)); | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI InternetPriority_SetPriority(IInternetPriority *iface, LONG nPriority) | 
|  | { | 
|  | BindProtocol *This = PRIORITY_THIS(iface); | 
|  |  | 
|  | TRACE("(%p)->(%d)\n", This, nPriority); | 
|  |  | 
|  | This->priority = nPriority; | 
|  | return S_OK; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI InternetPriority_GetPriority(IInternetPriority *iface, LONG *pnPriority) | 
|  | { | 
|  | BindProtocol *This = PRIORITY_THIS(iface); | 
|  |  | 
|  | TRACE("(%p)->(%p)\n", This, pnPriority); | 
|  |  | 
|  | *pnPriority = This->priority; | 
|  | return S_OK; | 
|  | } | 
|  |  | 
|  | #undef PRIORITY_THIS | 
|  |  | 
|  | static const IInternetPriorityVtbl InternetPriorityVtbl = { | 
|  | InternetPriority_QueryInterface, | 
|  | InternetPriority_AddRef, | 
|  | InternetPriority_Release, | 
|  | InternetPriority_SetPriority, | 
|  | InternetPriority_GetPriority | 
|  |  | 
|  | }; | 
|  |  | 
|  | #define PROTSINK_THIS(iface) DEFINE_THIS(BindProtocol, InternetProtocolSink, iface) | 
|  |  | 
|  | static HRESULT WINAPI InternetProtocolSink_QueryInterface(IInternetProtocolSink *iface, | 
|  | REFIID riid, void **ppv) | 
|  | { | 
|  | BindProtocol *This = PROTSINK_THIS(iface); | 
|  | return IInternetProtocol_QueryInterface(PROTOCOL(This), riid, ppv); | 
|  | } | 
|  |  | 
|  | static ULONG WINAPI InternetProtocolSink_AddRef(IInternetProtocolSink *iface) | 
|  | { | 
|  | BindProtocol *This = PROTSINK_THIS(iface); | 
|  | return IInternetProtocol_AddRef(PROTOCOL(This)); | 
|  | } | 
|  |  | 
|  | static ULONG WINAPI InternetProtocolSink_Release(IInternetProtocolSink *iface) | 
|  | { | 
|  | BindProtocol *This = PROTSINK_THIS(iface); | 
|  | return IInternetProtocol_Release(PROTOCOL(This)); | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI InternetProtocolSink_Switch(IInternetProtocolSink *iface, | 
|  | PROTOCOLDATA *pProtocolData) | 
|  | { | 
|  | BindProtocol *This = PROTSINK_THIS(iface); | 
|  | FIXME("(%p)->(%p)\n", This, pProtocolData); | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI InternetProtocolSink_ReportProgress(IInternetProtocolSink *iface, | 
|  | ULONG ulStatusCode, LPCWSTR szStatusText) | 
|  | { | 
|  | BindProtocol *This = PROTSINK_THIS(iface); | 
|  |  | 
|  | TRACE("(%p)->(%u %s)\n", This, ulStatusCode, debugstr_w(szStatusText)); | 
|  |  | 
|  | switch(ulStatusCode) { | 
|  | case BINDSTATUS_SENDINGREQUEST: | 
|  | return IInternetProtocolSink_ReportProgress(This->protocol_sink, | 
|  | ulStatusCode, NULL); | 
|  | case BINDSTATUS_CACHEFILENAMEAVAILABLE: | 
|  | return IInternetProtocolSink_ReportProgress(This->protocol_sink, | 
|  | ulStatusCode, szStatusText); | 
|  | case BINDSTATUS_VERIFIEDMIMETYPEAVAILABLE: | 
|  | return IInternetProtocolSink_ReportProgress(This->protocol_sink, | 
|  | BINDSTATUS_MIMETYPEAVAILABLE, szStatusText); | 
|  | default: | 
|  | FIXME("unsupported ulStatusCode %u\n", ulStatusCode); | 
|  | } | 
|  |  | 
|  | return E_NOTIMPL; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI InternetProtocolSink_ReportData(IInternetProtocolSink *iface, | 
|  | DWORD grfBSCF, ULONG ulProgress, ULONG ulProgressMax) | 
|  | { | 
|  | BindProtocol *This = PROTSINK_THIS(iface); | 
|  |  | 
|  | TRACE("(%p)->(%d %u %u)\n", This, grfBSCF, ulProgress, ulProgressMax); | 
|  |  | 
|  | return S_OK; | 
|  | } | 
|  |  | 
|  | static HRESULT WINAPI InternetProtocolSink_ReportResult(IInternetProtocolSink *iface, | 
|  | HRESULT hrResult, DWORD dwError, LPCWSTR szResult) | 
|  | { | 
|  | BindProtocol *This = PROTSINK_THIS(iface); | 
|  |  | 
|  | TRACE("(%p)->(%08x %d %s)\n", This, hrResult, dwError, debugstr_w(szResult)); | 
|  |  | 
|  | return IInternetProtocolSink_ReportResult(This->protocol_sink, hrResult, dwError, szResult); | 
|  | } | 
|  |  | 
|  | #undef PROTSINK_THIS | 
|  |  | 
|  | static const IInternetProtocolSinkVtbl InternetProtocolSinkVtbl = { | 
|  | InternetProtocolSink_QueryInterface, | 
|  | InternetProtocolSink_AddRef, | 
|  | InternetProtocolSink_Release, | 
|  | InternetProtocolSink_Switch, | 
|  | InternetProtocolSink_ReportProgress, | 
|  | InternetProtocolSink_ReportData, | 
|  | InternetProtocolSink_ReportResult | 
|  | }; | 
|  |  | 
|  | HRESULT create_binding_protocol(LPCWSTR url, IInternetProtocol **protocol) | 
|  | { | 
|  | BindProtocol *ret = HeapAlloc(GetProcessHeap(), 0, sizeof(BindProtocol)); | 
|  |  | 
|  | ret->lpInternetProtocolVtbl = &BindProtocolVtbl; | 
|  | ret->lpInternetBindInfoVtbl = &InternetBindInfoVtbl; | 
|  | ret->lpInternetPriorityVtbl = &InternetPriorityVtbl; | 
|  | ret->lpInternetProtocolSinkVtbl = &InternetProtocolSinkVtbl; | 
|  |  | 
|  | ret->ref = 1; | 
|  | ret->protocol = NULL; | 
|  | ret->bind_info = NULL; | 
|  | ret->protocol_sink = NULL; | 
|  | ret->priority = 0; | 
|  |  | 
|  | *protocol = PROTOCOL(ret); | 
|  | return S_OK; | 
|  | } |