108 lines
2.4 KiB
C++
108 lines
2.4 KiB
C++
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#include "stdinc.h"
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#include <windows.h>
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#include "sxsp.h"
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#include "comclsidmap.h"
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#include "SxsExceptionHandling.h"
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#define CLASS_ID_MAPPINGS_SUBKEY_NAME L"ClassIdMappings\\"
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CClsidMap::CClsidMap() :
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m_cLocalMappings(0),
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m_pLocalMappingListHead(NULL)
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{
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}
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CClsidMap::~CClsidMap()
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{
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}
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BOOL
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CClsidMap::Initialize()
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{
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BOOL fSuccess = FALSE;
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FN_TRACE_WIN32(fSuccess);
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fSuccess = TRUE;
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// Exit:
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return fSuccess;
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}
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BOOL
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CClsidMap::Uninitialize()
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{
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BOOL fSuccess = FALSE;
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FN_TRACE_WIN32(fSuccess);
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LocalMapping *pMapping = m_pLocalMappingListHead;
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while (pMapping != NULL)
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{
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LocalMapping *pNext = pMapping->m_pNext;
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FUSION_DELETE_SINGLETON(pMapping);
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pMapping = pNext;
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}
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fSuccess = TRUE;
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//Exit:
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return fSuccess;
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}
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BOOL
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CClsidMap::MapReferenceClsidToConfiguredClsid(
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const GUID *ReferenceClsid,
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PCACTCTXCTB_ASSEMBLY_CONTEXT AssemblyContext,
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GUID *ConfiguredClsid,
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GUID *ImplementedClsid
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)
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{
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BOOL fSuccess = FALSE;
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FN_TRACE_WIN32(fSuccess);
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LocalMapping *pMapping = NULL;
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// We're in the unnamed assembly - there can be at most one unnamed assembly, so this
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// must be the root assembly. We'll look for it in our local map. If it's not there,
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// we'll just generate a GUID and store it in the map.
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for (pMapping = m_pLocalMappingListHead; pMapping != NULL; pMapping = pMapping->m_pNext)
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{
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if (pMapping->m_ReferenceClsid == *ReferenceClsid)
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break;
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}
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// Not found; create one.
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if (pMapping == NULL)
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{
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IFALLOCFAILED_EXIT(pMapping = new LocalMapping);
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#if DBG
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::FusionpDbgPrintEx(FUSION_DBG_LEVEL_INFO, "SXS.DLL: Adding clsid local mapping %p\n", pMapping);
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#endif
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pMapping->m_pNext = m_pLocalMappingListHead;
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pMapping->m_ReferenceClsid = *ReferenceClsid;
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pMapping->m_ImplementedClsid = *ReferenceClsid;
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// No ConfiguredClsid... we'll make one up.
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RPC_STATUS st = ::UuidCreate(&pMapping->m_ConfiguredClsid);
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RETAIL_UNUSED(st);
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SOFT_ASSERT((st == RPC_S_OK) ||
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(st == RPC_S_UUID_LOCAL_ONLY) ||
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(st == RPC_S_UUID_NO_ADDRESS));
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m_pLocalMappingListHead = pMapping;
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m_cLocalMappings++;
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}
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ASSERT(pMapping != NULL);
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*ConfiguredClsid = pMapping->m_ConfiguredClsid;
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*ImplementedClsid = pMapping->m_ImplementedClsid;
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fSuccess = TRUE;
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Exit:
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return fSuccess;
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}
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