501 lines
18 KiB
C++
501 lines
18 KiB
C++
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/*++
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Copyright (c) 2000 Microsoft Corporation
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Module Name:
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cominterface.cpp
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Abstract:
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Activation context section contributor for COM interface proxy mapping.
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Author:
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Michael J. Grier (MGrier) 28-Mar-2000
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Revision History:
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--*/
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#include "stdinc.h"
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#include <windows.h>
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#include <stdio.h>
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#include "sxsp.h"
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#include "sxsidp.h"
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#include "fusionparser.h"
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DECLARE_STD_ATTRIBUTE_NAME_DESCRIPTOR(baseInterface);
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DECLARE_STD_ATTRIBUTE_NAME_DESCRIPTOR(clsid);
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DECLARE_STD_ATTRIBUTE_NAME_DESCRIPTOR(iid);
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DECLARE_STD_ATTRIBUTE_NAME_DESCRIPTOR(name);
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DECLARE_STD_ATTRIBUTE_NAME_DESCRIPTOR(numMethods);
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DECLARE_STD_ATTRIBUTE_NAME_DESCRIPTOR(proxyStubClsid32);
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DECLARE_STD_ATTRIBUTE_NAME_DESCRIPTOR(tlbid);
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/*
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<file name="foo.dll">
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<comInterfaceProxyStub iid="{iid}" tlbid="{tlbid}" numMethods="3" baseInterface="{iid}" name="IFoo"/>
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</file>
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*/
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typedef struct _IID_ENTRY
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{
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_IID_ENTRY() { }
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GUID m_clsid;
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GUID m_iid;
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ULONG m_nMethods;
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GUID m_tlbid;
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GUID m_iidBase;
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CStringBuffer m_buffName;
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bool m_fNumMethodsValid;
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bool m_fBaseInterfaceValid;
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private:
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_IID_ENTRY(const _IID_ENTRY &);
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void operator =(const _IID_ENTRY &);
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} IID_ENTRY, *PIID_ENTRY;
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BOOL
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SxspComInterfaceRedirectionGuidSectionGenerationCallback(
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PVOID Context,
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ULONG Reason,
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PVOID CallbackData
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);
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VOID
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SxspComInterfaceRedirectionContributorCallback(
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PACTCTXCTB_CALLBACK_DATA Data
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)
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{
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FN_TRACE();
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PGUID_SECTION_GENERATION_CONTEXT GSGenContext = (PGUID_SECTION_GENERATION_CONTEXT) Data->Header.ActCtxGenContext;
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switch (Data->Header.Reason)
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{
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case ACTCTXCTB_CBREASON_ACTCTXGENBEGINNING:
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Data->GenBeginning.Success = FALSE;
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INTERNAL_ERROR_CHECK(GSGenContext == NULL);
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// do everything if we are generating an activation context.
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if (Data->Header.ManifestOperation == MANIFEST_OPERATION_GENERATE_ACTIVATION_CONTEXT)
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{
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IFW32FALSE_EXIT(
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::SxsInitGuidSectionGenerationContext(
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&GSGenContext,
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ACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION_FORMAT_WHISTLER,
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&::SxspComInterfaceRedirectionGuidSectionGenerationCallback,
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NULL));
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Data->Header.ActCtxGenContext = GSGenContext;
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}
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Data->GenBeginning.Success = TRUE;
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break;
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case ACTCTXCTB_CBREASON_ACTCTXGENENDED:
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if (GSGenContext != NULL)
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::SxsDestroyGuidSectionGenerationContext(GSGenContext);
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break;
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case ACTCTXCTB_CBREASON_ALLPARSINGDONE:
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Data->AllParsingDone.Success = FALSE;
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#if 0
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// this call isn't implemented for guid sections ... yet
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if (GSGenContext != NULL)
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IFW32FALSE_EXIT(::SxsDoneModifyingGuidSectionGenerationContext(GSGenContext));
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#endif
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Data->AllParsingDone.Success = TRUE;
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break;
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case ACTCTXCTB_CBREASON_GETSECTIONSIZE:
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Data->GetSectionSize.Success = FALSE;
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// Someone shouldn't be asking for the section size if we
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// are not generating an activation context.
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// These two asserts should be equivalent...
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INTERNAL_ERROR_CHECK(Data->Header.ManifestOperation == MANIFEST_OPERATION_GENERATE_ACTIVATION_CONTEXT);
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INTERNAL_ERROR_CHECK(GSGenContext != NULL);
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IFW32FALSE_EXIT(
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::SxsGetGuidSectionGenerationContextSectionSize(
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GSGenContext,
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&Data->GetSectionSize.SectionSize));
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Data->GetSectionSize.Success = TRUE;
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break;
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case ACTCTXCTB_CBREASON_ELEMENTPARSED:
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Data->ElementParsed.Success = FALSE;
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if (Data->Header.ManifestOperation == MANIFEST_OPERATION_GENERATE_ACTIVATION_CONTEXT)
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{
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ULONG MappedValue = 0;
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bool fFound = false;
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enum MappedValues
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{
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eAssemblyInterface = 1,
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eAssemblyFileComClassInterface = 2,
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};
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#define PATH_MAP_ENTRY(_depth, _string, _mv) { (_depth), _string, NUMBER_OF(_string) - 1, (_mv) },
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static const ELEMENT_PATH_MAP_ENTRY s_rgEntries[] =
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{
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PATH_MAP_ENTRY(2, L"urn:schemas-microsoft-com:asm.v1^assembly!urn:schemas-microsoft-com:asm.v1^comInterfaceExternalProxyStub", eAssemblyInterface)
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PATH_MAP_ENTRY(3, L"urn:schemas-microsoft-com:asm.v1^assembly!urn:schemas-microsoft-com:asm.v1^file!urn:schemas-microsoft-com:asm.v1^comInterfaceProxyStub", eAssemblyFileComClassInterface)
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};
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#undef PATH_MAP_ENTRY
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IFW32FALSE_EXIT(
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::SxspProcessElementPathMap(
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Data->ElementParsed.ParseContext,
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s_rgEntries,
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NUMBER_OF(s_rgEntries),
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MappedValue,
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fFound));
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if (fFound)
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{
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switch (MappedValue)
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{
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default:
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INTERNAL_ERROR_CHECK2(
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FALSE,
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"Invalid mapped value returned from SxspProcessElementPathMap");
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case eAssemblyInterface:
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{
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bool fFound = false;
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CStringBuffer TempBuffer;
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GUID iid, tlbid, iidBase, clsid;
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ULONG nMethods = 0;
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SIZE_T cb;
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bool fNumMethodsValid = false;
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bool fBaseInterfaceValid = false;
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IFW32FALSE_EXIT(
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::SxspGetAttributeValue(
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SXSP_GET_ATTRIBUTE_VALUE_FLAG_REQUIRED_ATTRIBUTE,
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&s_AttributeName_iid,
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&Data->ElementParsed,
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fFound,
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sizeof(iid),
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&iid,
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cb,
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&::SxspValidateGuidAttribute,
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0));
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INTERNAL_ERROR_CHECK(fFound);
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IFW32FALSE_EXIT(
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::SxspGetAttributeValue(
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0,
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&s_AttributeName_proxyStubClsid32,
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&Data->ElementParsed,
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fFound,
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sizeof(clsid),
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&clsid,
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cb,
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&::SxspValidateGuidAttribute,
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0));
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if (!fFound)
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clsid = iid;
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IFW32FALSE_EXIT(::SxspGetAttributeValue(0, &s_AttributeName_numMethods, &Data->ElementParsed, fFound, sizeof(TempBuffer), &TempBuffer, cb, NULL, 0));
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if (fFound)
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{
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IFW32FALSE_EXIT(CFusionParser::ParseULONG(nMethods, TempBuffer, TempBuffer.Cch()));
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fNumMethodsValid = true;
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}
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tlbid = GUID_NULL;
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IFW32FALSE_EXIT(
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::SxspGetAttributeValue(
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0,
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&s_AttributeName_tlbid,
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&Data->ElementParsed,
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fFound,
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sizeof(tlbid),
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&tlbid,
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cb,
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&::SxspValidateGuidAttribute,
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0));
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IFW32FALSE_EXIT(
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::SxspGetAttributeValue(
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0,
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&s_AttributeName_baseInterface,
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&Data->ElementParsed,
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fFound,
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sizeof(iidBase),
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&iidBase,
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cb,
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&::SxspValidateGuidAttribute,
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0));
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if (fFound)
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fBaseInterfaceValid = true;
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TempBuffer.Clear();
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IFW32FALSE_EXIT(::SxspGetAttributeValue(0, &s_AttributeName_name, &Data->ElementParsed, fFound, sizeof(TempBuffer), &TempBuffer, cb, NULL, 0));
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// Do more work if generating an activation context.
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if (Data->Header.ManifestOperation == MANIFEST_OPERATION_GENERATE_ACTIVATION_CONTEXT)
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{
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PIID_ENTRY Entry = NULL;
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IFALLOCFAILED_EXIT(Entry = new IID_ENTRY);
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Entry->m_clsid = clsid;
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Entry->m_tlbid = tlbid;
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Entry->m_iid = iid;
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Entry->m_iidBase = iidBase;
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Entry->m_nMethods = nMethods;
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Entry->m_fNumMethodsValid = fNumMethodsValid;
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Entry->m_fBaseInterfaceValid = fBaseInterfaceValid;
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IFW32FALSE_EXIT(Entry->m_buffName.Win32Assign(TempBuffer));
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IFW32FALSE_EXIT(
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::SxsAddGuidToGuidSectionGenerationContext(
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(PGUID_SECTION_GENERATION_CONTEXT) Data->ElementParsed.Header.ActCtxGenContext,
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&iid,
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Entry,
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Data->ElementParsed.AssemblyContext->AssemblyRosterIndex,
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ERROR_SXS_DUPLICATE_IID));
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}
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break;
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}
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case eAssemblyFileComClassInterface:
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{
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bool fFound = false;
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CStringBuffer TempBuffer;
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GUID iid, tlbid, iidBase;
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ULONG nMethods = 0;
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SIZE_T cb;
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bool fNumMethodsValid = false;
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bool fBaseInterfaceValid = false;
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IFW32FALSE_EXIT(
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::SxspGetAttributeValue(
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SXSP_GET_ATTRIBUTE_VALUE_FLAG_REQUIRED_ATTRIBUTE,
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&s_AttributeName_iid,
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&Data->ElementParsed,
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fFound,
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sizeof(iid),
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&iid,
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cb,
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&::SxspValidateGuidAttribute,
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0));
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INTERNAL_ERROR_CHECK(fFound);
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IFW32FALSE_EXIT(::SxspGetAttributeValue(0, &s_AttributeName_numMethods, &Data->ElementParsed, fFound, sizeof(TempBuffer), &TempBuffer, cb, NULL, 0));
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if (fFound)
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{
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IFW32FALSE_EXIT(CFusionParser::ParseULONG(nMethods, TempBuffer, TempBuffer.Cch()));
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fNumMethodsValid = true;
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}
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tlbid = GUID_NULL;
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IFW32FALSE_EXIT(
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::SxspGetAttributeValue(
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0,
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&s_AttributeName_tlbid,
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&Data->ElementParsed,
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fFound,
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sizeof(tlbid),
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&tlbid,
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cb,
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&::SxspValidateGuidAttribute,
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0));
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IFW32FALSE_EXIT(
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::SxspGetAttributeValue(
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0,
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&s_AttributeName_baseInterface,
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&Data->ElementParsed,
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fFound,
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sizeof(iidBase),
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&iidBase,
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cb,
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&::SxspValidateGuidAttribute,
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0));
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if (fFound)
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fBaseInterfaceValid = true;
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TempBuffer.Clear();
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IFW32FALSE_EXIT(::SxspGetAttributeValue(0, &s_AttributeName_name, &Data->ElementParsed, fFound, sizeof(TempBuffer), &TempBuffer, cb, NULL, 0));
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// Do more work if generating an activation context.
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if (Data->Header.ManifestOperation == MANIFEST_OPERATION_GENERATE_ACTIVATION_CONTEXT)
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{
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PIID_ENTRY Entry = NULL;
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IFALLOCFAILED_EXIT(Entry = new IID_ENTRY);
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Entry->m_clsid = iid;
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Entry->m_tlbid = tlbid;
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Entry->m_iid = iid;
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Entry->m_iidBase = iidBase;
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Entry->m_nMethods = nMethods;
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Entry->m_fNumMethodsValid = fNumMethodsValid;
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Entry->m_fBaseInterfaceValid = fBaseInterfaceValid;
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IFW32FALSE_EXIT(Entry->m_buffName.Win32Assign(TempBuffer));
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IFW32FALSE_EXIT(
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::SxsAddGuidToGuidSectionGenerationContext(
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(PGUID_SECTION_GENERATION_CONTEXT) Data->ElementParsed.Header.ActCtxGenContext,
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&iid,
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Entry,
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Data->ElementParsed.AssemblyContext->AssemblyRosterIndex,
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ERROR_SXS_DUPLICATE_IID));
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}
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break;
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}
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}
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}
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}
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Data->ElementParsed.Success = TRUE;
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break;
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case ACTCTXCTB_CBREASON_GETSECTIONDATA:
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Data->GetSectionData.Success = FALSE;
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INTERNAL_ERROR_CHECK(GSGenContext != NULL);
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INTERNAL_ERROR_CHECK(Data->Header.ManifestOperation == MANIFEST_OPERATION_GENERATE_ACTIVATION_CONTEXT);
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IFW32FALSE_EXIT(
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::SxsGetGuidSectionGenerationContextSectionData(
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GSGenContext,
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Data->GetSectionData.SectionSize,
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Data->GetSectionData.SectionDataStart,
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NULL));
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Data->GetSectionData.Success = TRUE;
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break;
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||
|
|
}
|
||
|
|
Exit:
|
||
|
|
;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL
|
||
|
|
SxspComInterfaceRedirectionGuidSectionGenerationCallback(
|
||
|
|
PVOID Context,
|
||
|
|
ULONG Reason,
|
||
|
|
PVOID CallbackData
|
||
|
|
)
|
||
|
|
{
|
||
|
|
BOOL fSuccess = FALSE;
|
||
|
|
FN_TRACE_WIN32(fSuccess);
|
||
|
|
|
||
|
|
switch (Reason)
|
||
|
|
{
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
|
||
|
|
case GUID_SECTION_GENERATION_CONTEXT_CALLBACK_REASON_ENTRYDELETED:
|
||
|
|
{
|
||
|
|
PGUID_SECTION_GENERATION_CONTEXT_CBDATA_ENTRYDELETED CBData = (PGUID_SECTION_GENERATION_CONTEXT_CBDATA_ENTRYDELETED) CallbackData;
|
||
|
|
PIID_ENTRY Entry = (PIID_ENTRY) CBData->DataContext;
|
||
|
|
|
||
|
|
if (Entry != NULL)
|
||
|
|
FUSION_DELETE_SINGLETON(Entry);
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case GUID_SECTION_GENERATION_CONTEXT_CALLBACK_REASON_GETDATASIZE:
|
||
|
|
{
|
||
|
|
PGUID_SECTION_GENERATION_CONTEXT_CBDATA_GETDATASIZE CBData = (PGUID_SECTION_GENERATION_CONTEXT_CBDATA_GETDATASIZE) CallbackData;
|
||
|
|
PIID_ENTRY Entry = (PIID_ENTRY) CBData->DataContext;
|
||
|
|
|
||
|
|
CBData->DataSize = sizeof(ACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION);
|
||
|
|
|
||
|
|
if (Entry != NULL)
|
||
|
|
{
|
||
|
|
if (Entry->m_buffName.Cch() != 0)
|
||
|
|
{
|
||
|
|
CBData->DataSize += ((Entry->m_buffName.Cch() + 1) * sizeof(WCHAR));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case GUID_SECTION_GENERATION_CONTEXT_CALLBACK_REASON_GETDATA:
|
||
|
|
{
|
||
|
|
PGUID_SECTION_GENERATION_CONTEXT_CBDATA_GETDATA CBData = (PGUID_SECTION_GENERATION_CONTEXT_CBDATA_GETDATA) CallbackData;
|
||
|
|
PACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION Info;
|
||
|
|
PIID_ENTRY Entry = (PIID_ENTRY) CBData->DataContext;
|
||
|
|
PWSTR Cursor;
|
||
|
|
|
||
|
|
SIZE_T BytesLeft = CBData->BufferSize;
|
||
|
|
SIZE_T BytesWritten = 0;
|
||
|
|
|
||
|
|
Info = (PACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION) CBData->Buffer;
|
||
|
|
|
||
|
|
if (BytesLeft < sizeof(ACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION))
|
||
|
|
{
|
||
|
|
::FusionpSetLastWin32Error(ERROR_INSUFFICIENT_BUFFER);
|
||
|
|
goto Exit;
|
||
|
|
}
|
||
|
|
|
||
|
|
BytesWritten += sizeof(ACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION);
|
||
|
|
BytesLeft -= sizeof(ACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION);
|
||
|
|
|
||
|
|
Cursor = (PWSTR) (Info + 1);
|
||
|
|
|
||
|
|
Info->Size = sizeof(ACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION);
|
||
|
|
Info->Flags = 0;
|
||
|
|
Info->ProxyStubClsid32 = Entry->m_clsid;
|
||
|
|
|
||
|
|
if (Entry->m_fNumMethodsValid)
|
||
|
|
{
|
||
|
|
Info->Flags |= ACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION_FLAG_NUM_METHODS_VALID;
|
||
|
|
Info->NumMethods = Entry->m_nMethods;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
Info->NumMethods = 0;
|
||
|
|
|
||
|
|
Info->TypeLibraryId = Entry->m_tlbid;
|
||
|
|
|
||
|
|
if (Entry->m_fBaseInterfaceValid)
|
||
|
|
{
|
||
|
|
Info->Flags |= ACTIVATION_CONTEXT_DATA_COM_INTERFACE_REDIRECTION_FLAG_BASE_INTERFACE_VALID;
|
||
|
|
Info->BaseInterface = Entry->m_iidBase;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
Info->BaseInterface = GUID_NULL;
|
||
|
|
|
||
|
|
IFW32FALSE_EXIT(
|
||
|
|
Entry->m_buffName.Win32CopyIntoBuffer(
|
||
|
|
&Cursor,
|
||
|
|
&BytesLeft,
|
||
|
|
&BytesWritten,
|
||
|
|
Info,
|
||
|
|
&Info->NameOffset,
|
||
|
|
&Info->NameLength));
|
||
|
|
|
||
|
|
CBData->BytesWritten = BytesWritten;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
fSuccess = TRUE;
|
||
|
|
|
||
|
|
Exit:
|
||
|
|
return fSuccess;
|
||
|
|
}
|
||
|
|
|