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428 lines
10 KiB
428 lines
10 KiB
//---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1995.
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//
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// File: helpers.cxx
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//
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// Contents: ADs C Wrappers (Helper functions)
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//
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// ADsBuildEnumerator
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// ADsFreeEnumerator
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// ADsEnumerateNext
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// ADsBuildVarArrayStr
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// ADsBuildVarArrayInt
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//
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// History:
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// 1-March-1995 KrishnaG -- Created
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//
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//----------------------------------------------------------------------------
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#include "oleds.hxx"
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#pragma hdrstop
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//+---------------------------------------------------------------------------
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//
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// Function: ADsBuildEnumerator
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//
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// Synopsis: C wrapper code to create an Enumerator object.
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//
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// Arguments: [pNetOleCollection] -- The input Collection object.
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//
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// [ppEnumVariant] -- The created Enumerator object.
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//
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// Returns: HRESULT
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//
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//----------------------------------------------------------------------------
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HRESULT
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ADsBuildEnumerator(
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IADsContainer *pADsContainer,
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IEnumVARIANT * * ppEnumVariant
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)
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{
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HRESULT hr;
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IUnknown *pUnk = NULL;
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//
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// Get a new enumerator object.
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//
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hr = pADsContainer->get__NewEnum( &pUnk );
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if (FAILED(hr)) {
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goto Fail;
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}
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//
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// QueryInterface the IUnknown pointer for an IEnumVARIANT interface,
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//
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hr = pUnk->QueryInterface(
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IID_IEnumVARIANT,
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(void FAR* FAR*)ppEnumVariant
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);
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if (FAILED(hr)) {
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goto Fail;
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}
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//
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// Release the IUnknown pointer.
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//
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pUnk->Release();
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return(hr);
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Fail:
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if (pUnk) {
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pUnk->Release();
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}
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return(hr);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: ADsFreeEnumerator
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//
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// Synopsis: Frees an Enumerator object.
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//
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// Arguments: [pEnumerator] -- The Enumerator object to be freed.
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//
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// Returns: HRESULT
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//----------------------------------------------------------------------------
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HRESULT
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ADsFreeEnumerator(
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IEnumVARIANT *pEnumVariant
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)
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{
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HRESULT hr = E_ADS_BAD_PARAMETER;
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ULONG uRefCount = 0;
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if (pEnumVariant) {
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uRefCount = pEnumVariant->Release();
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return(S_OK);
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}
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return(hr);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: ADsEnumerateNext
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//
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// Synopsis: C wrapper code for IEnumVARIANT::Next
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//
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// Arguments: [pEnumVariant] -- Input enumerator object.
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//
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// [cElements] -- Number of elements to retrieve.
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//
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// [pvar] -- VARIANT array.
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//
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// [pcElementFetched] -- Number of elements fetched.
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//
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// Returns: HRESULT
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//
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//----------------------------------------------------------------------------
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HRESULT
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ADsEnumerateNext(
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IEnumVARIANT *pEnumVariant,
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ULONG cElements,
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VARIANT * pvar,
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ULONG * pcElementsFetched
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)
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{
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return(pEnumVariant->Next(cElements, pvar, pcElementsFetched));
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}
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//+---------------------------------------------------------------------------
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//
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// Function: ADsBuildVarArrayStr
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//
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// Synopsis: Build a variant array of strings
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//
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// Arguments: [lppPathNames] -- List of pathnames to be put in the array.
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//
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// [dwPathNames] -- Number of pathnames in the list.
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//
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// [ppvar] -- Pointer to a pointer of a Variant array.
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//
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// Returns: HRESULT
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//
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//----------------------------------------------------------------------------
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HRESULT
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ADsBuildVarArrayStr(
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LPWSTR * lppPathNames,
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DWORD dwPathNames,
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VARIANT * pVar
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)
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{
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VARIANT v;
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SAFEARRAYBOUND sabNewArray;
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DWORD i;
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SAFEARRAY *psa = NULL;
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HRESULT hr = E_FAIL;
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if (!pVar) {
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hr = E_ADS_BAD_PARAMETER;
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goto Fail;
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}
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VariantInit(pVar);
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sabNewArray.cElements = dwPathNames;
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sabNewArray.lLbound = 0;
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psa = SafeArrayCreate(VT_VARIANT, 1, &sabNewArray);
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if (!psa) {
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goto Fail;
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}
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for (i = 0; i < dwPathNames; i++) {
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VariantInit(&v);
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V_VT(&v) = VT_BSTR;
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V_BSTR(&v) = SysAllocString(*(lppPathNames + i));
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if(!V_BSTR(&v) && (*(lppPathNames + i)))
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{
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goto Fail;
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}
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hr = SafeArrayPutElement(psa,
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(long FAR *)&i,
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&v
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);
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VariantClear( &v );
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if (FAILED(hr)) {
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goto Fail;
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}
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}
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V_VT(pVar) = VT_ARRAY | VT_VARIANT;
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V_ARRAY(pVar) = psa;
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return(ResultFromScode(S_OK));
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Fail:
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if (psa) {
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SafeArrayDestroy(psa);
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}
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return(E_FAIL);
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}
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//+---------------------------------------------------------------------------
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//
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// Function: ADsBuildVarArrayInt
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//
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// Synopsis: Build a variant array of integers
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//
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// Arguments: [lppObjectTypes] -- List of object types to be put in the array.
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//
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// [dwObjectTypes] -- Number of object types in the list.
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//
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// [ppvar] -- Pointer to a pointer of a Variant array.
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//
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// Returns: HRESULT
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//
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//----------------------------------------------------------------------------
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HRESULT
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ADsBuildVarArrayInt(
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LPDWORD lpdwObjectTypes,
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DWORD dwObjectTypes,
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VARIANT * pVar
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)
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{
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VARIANT v;
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SAFEARRAYBOUND sabNewArray;
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DWORD i;
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SAFEARRAY *psa = NULL;
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HRESULT hr = E_FAIL;
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if (!pVar) {
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hr = E_ADS_BAD_PARAMETER;
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goto Fail;
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}
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VariantInit(pVar);
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sabNewArray.cElements = dwObjectTypes;
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sabNewArray.lLbound = 0;
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psa = SafeArrayCreate(VT_VARIANT, 1, &sabNewArray);
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if (!psa) {
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goto Fail;
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}
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for (i = 0; i < dwObjectTypes; i++) {
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VariantInit(&v);
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V_VT(&v) = VT_I4;
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V_I4(&v) = *(lpdwObjectTypes + i);
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hr = SafeArrayPutElement(psa,
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(long FAR *)&i,
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&v
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);
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VariantClear( &v );
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if (FAILED(hr)) {
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goto Fail;
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}
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}
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V_VT(pVar) = VT_VARIANT | VT_ARRAY;
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V_ARRAY(pVar) = psa;
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return(ResultFromScode(S_OK));
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Fail:
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if (psa) {
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SafeArrayDestroy(psa);
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}
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return(E_FAIL);
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}
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//+---------------------------------------------------------------------------
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// Function: BinarySDToSecurityDescriptor.
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//
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// Synopsis: Convert the given binary blob to an equivalent object
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// implementing the IADsSecurityDescriptor interface.
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//
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// Arguments: pSecurityDescriptor - the binary SD to convert.
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// pVarsec - return value.
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// pszServerName - serverName the SD was
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// retrieved from (optional).
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// userName - not used, optional.
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// passWord - not used, optional.
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// dwFlags - not used, optional.
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//
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// Returns: HRESULT - S_OK or any failure error code
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//
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// Modifies: pVarsec to contain a VT_DISPATCH if successful.
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//
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//----------------------------------------------------------------------------
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HRESULT
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BinarySDToSecurityDescriptor(
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PSECURITY_DESCRIPTOR pSecurityDescriptor,
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VARIANT *pVarsec,
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LPCWSTR pszServerName, // defaulted to NULL
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LPCWSTR userName, // defaulted to NULL
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LPCWSTR passWord, // defaulted to NULL
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DWORD dwFlags // defaulted to 0
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)
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{
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CCredentials creds((LPWSTR)userName, (LPWSTR)passWord, dwFlags);
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//
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// Call internal routine in sec2var.cxx that does all the work.
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//
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RRETURN(ConvertSecDescriptorToVariant(
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(LPWSTR)pszServerName,
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creds,
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pSecurityDescriptor,
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pVarsec,
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TRUE // we will always expect NT format.
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)
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);
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}
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//+---------------------------------------------------------------------------
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// Function: SecurityDescriptorToBinarySD.
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//
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// Synopsis: Convert the given IADsSecurityDescriptor to (in the variant
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// to a binary security descriptor blob.
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//
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// Arguments: vVarSecDes - the binary SD to convert.
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// ppSecurityDescriptor - ptr to output binary blob.
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// pszServerName - serverName the SD
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// is being put on, optional.
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// userName - not used, optional.
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// passWord - not used, optional.
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// dwFlags - not used, optional.
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//
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// Returns: HRESULT - S_OK or any failure error code
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//
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// Modifies: pVarsec to contain a VT_DISPATCH if successful.
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//
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//----------------------------------------------------------------------------
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HRESULT
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SecurityDescriptorToBinarySD(
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VARIANT vVarSecDes,
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PSECURITY_DESCRIPTOR * ppSecurityDescriptor,
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PDWORD pdwSDLength,
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LPCWSTR pszServerName, // defaulted to NULL
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LPCWSTR userName, // defaulted to NULL
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LPCWSTR passWord, // defaulted to NULL
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DWORD dwFlags // defaulted to 0
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)
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{
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HRESULT hr = E_FAIL;
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IADsSecurityDescriptor *pIADsSecDesc = NULL;
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CCredentials creds((LPWSTR)userName, (LPWSTR)passWord, dwFlags);
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//
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// Verify it is a VT_DISPATCH and also that ptr is valid.
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//
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if ((vVarSecDes.vt != VT_DISPATCH)
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|| (!V_DISPATCH(&vVarSecDes))
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) {
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BAIL_ON_FAILURE(hr);
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}
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//
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// Get the interface ptr from the variant (it has to be IDispatch)
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//
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hr = vVarSecDes.pdispVal->QueryInterface(
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IID_IADsSecurityDescriptor,
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(void **) &pIADsSecDesc
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);
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BAIL_ON_FAILURE(hr);
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//
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// Call the helper routine in sec2var.cxx
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//
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hr = ConvertSecurityDescriptorToSecDes(
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(LPWSTR)pszServerName,
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creds,
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pIADsSecDesc,
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ppSecurityDescriptor,
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pdwSDLength,
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TRUE // always NT Sec desc mode
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);
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error:
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if (pIADsSecDesc) {
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pIADsSecDesc->Release();
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}
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RRETURN(hr);
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}
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// end of helpers.cxx
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