670 lines
16 KiB
C++
670 lines
16 KiB
C++
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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cenumres.cxx
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Abstract:
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Contains methods for implementing the Enumeration of resources(open files)
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on a server. Has methods for the CWinNTResourcesCollection object
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as well as the CWinNTResourcesEnumVar object.
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Author:
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Ram Viswanathan (ramv) 03/12/96
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Revision History:
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--*/
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#include "winnt.hxx"
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#pragma hdrstop
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#if DBG
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DECLARE_INFOLEVEL(EnumRes);
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DECLARE_DEBUG(EnumRes);
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#define EnumResDebugOut(x) EnumResInlineDebugOut x
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#endif
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CWinNTResourcesCollection::CWinNTResourcesCollection()
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{
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_pszServerADsPath = NULL;
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_pszServerName = NULL;
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_pszBasePath = NULL;
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_pszUserName = NULL;
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_pDispMgr = NULL;
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_pCResourcesEnumVar = NULL;
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ENLIST_TRACKING(CWinNTResourcesCollection);
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}
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CWinNTResourcesCollection::~CWinNTResourcesCollection()
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{
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if(_pszServerADsPath){
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FreeADsStr(_pszServerADsPath);
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}
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if(_pszServerName){
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FreeADsStr(_pszServerName);
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}
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if(_pszBasePath){
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FreeADsStr(_pszBasePath);
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}
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if(_pszUserName){
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FreeADsStr(_pszUserName);
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}
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delete _pDispMgr;
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if(_pCResourcesEnumVar){
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_pCResourcesEnumVar->Release();
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}
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}
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HRESULT
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CWinNTResourcesCollection::Create(LPTSTR pszServerADsPath,
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LPTSTR pszBasePath,
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LPTSTR pszUserName,
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CWinNTCredentials& Credentials,
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CWinNTResourcesCollection
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** ppCWinNTResourcesCollection )
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{
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BOOL fStatus = FALSE, LastError;
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HRESULT hr;
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CWinNTResourcesCollection *pCWinNTResourcesCollection = NULL;
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POBJECTINFO pServerObjectInfo = NULL;
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//
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// create the Resources collection object
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//
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pCWinNTResourcesCollection = new CWinNTResourcesCollection();
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if(pCWinNTResourcesCollection == NULL){
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hr = E_OUTOFMEMORY;
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goto cleanup;
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}
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pCWinNTResourcesCollection->_pszServerADsPath =
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AllocADsStr(pszServerADsPath);
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if (!pCWinNTResourcesCollection->_pszServerADsPath){
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hr = E_OUTOFMEMORY;
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goto cleanup;
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}
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hr = BuildObjectInfo(pszServerADsPath,
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&pServerObjectInfo
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);
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BAIL_IF_ERROR(hr);
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pCWinNTResourcesCollection->_pszServerName =
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AllocADsStr(pServerObjectInfo->ComponentArray[1]);
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if(!(pCWinNTResourcesCollection->_pszServerName)){
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hr = E_OUTOFMEMORY;
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goto cleanup;
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}
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pCWinNTResourcesCollection->_Credentials = Credentials;
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hr = pCWinNTResourcesCollection->_Credentials.RefServer(
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pCWinNTResourcesCollection->_pszServerName);
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BAIL_IF_ERROR(hr);
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if(pszBasePath){
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pCWinNTResourcesCollection->_pszBasePath =
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AllocADsStr(pszBasePath);
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if(!(pCWinNTResourcesCollection->_pszBasePath)){
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hr = E_OUTOFMEMORY;
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goto cleanup;
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}
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}
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if(pszUserName){
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pCWinNTResourcesCollection->_pszUserName =
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AllocADsStr(pszUserName);
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if(!(pCWinNTResourcesCollection->_pszUserName)){
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hr = E_OUTOFMEMORY;
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goto cleanup;
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}
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}
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pCWinNTResourcesCollection->_pDispMgr = new CAggregatorDispMgr;
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if (pCWinNTResourcesCollection->_pDispMgr == NULL){
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hr = E_OUTOFMEMORY;
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goto cleanup;
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}
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hr = LoadTypeInfoEntry(pCWinNTResourcesCollection->_pDispMgr,
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LIBID_ADs,
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IID_IADsCollection,
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(IADsCollection *)pCWinNTResourcesCollection,
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DISPID_NEWENUM
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);
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BAIL_IF_ERROR(hr);
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*ppCWinNTResourcesCollection =pCWinNTResourcesCollection;
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cleanup:
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if(pServerObjectInfo){
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FreeObjectInfo(pServerObjectInfo);
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}
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if(SUCCEEDED(hr)){
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RRETURN(hr);
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}
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delete pCWinNTResourcesCollection;
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RRETURN_EXP_IF_ERR(hr);
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}
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/* IUnknown methods for Resources collection object */
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STDMETHODIMP
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CWinNTResourcesCollection::QueryInterface(REFIID riid, LPVOID FAR* ppvObj)
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{
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if(!ppvObj){
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RRETURN(E_POINTER);
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}
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if (IsEqualIID(riid, IID_IUnknown))
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{
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*ppvObj = this;
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}
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else if (IsEqualIID(riid, IID_IDispatch))
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{
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*ppvObj = (IDispatch *)this;
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}
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else if (IsEqualIID(riid, IID_ISupportErrorInfo))
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{
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*ppvObj = (ISupportErrorInfo FAR *) this;
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}
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else if (IsEqualIID(riid, IID_IADsCollection))
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{
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*ppvObj = (IADsCollection FAR *)this;
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}
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else
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{
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*ppvObj = NULL;
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return E_NOINTERFACE;
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}
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((LPUNKNOWN)*ppvObj)->AddRef();
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RRETURN(S_OK);
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}
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/* ISupportErrorInfo method */
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STDMETHODIMP
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CWinNTResourcesCollection::InterfaceSupportsErrorInfo(
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THIS_ REFIID riid
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)
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{
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if (IsEqualIID(riid, IID_IADsCollection)) {
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RRETURN(S_OK);
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} else {
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RRETURN(S_FALSE);
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}
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}
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DEFINE_IDispatch_Implementation(CWinNTResourcesCollection);
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/* IADsCollection methods */
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STDMETHODIMP
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CWinNTResourcesCollection::get__NewEnum(THIS_ IUnknown * FAR* retval)
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{
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HRESULT hr;
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CWinNTResourcesEnumVar *pCResourcesEnumVar = NULL;
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if(!retval){
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RRETURN_EXP_IF_ERR(E_POINTER);
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}
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*retval = NULL;
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hr = CWinNTResourcesEnumVar::Create(_pszServerADsPath,
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_pszBasePath,
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_pszUserName,
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_Credentials,
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&pCResourcesEnumVar
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);
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BAIL_ON_FAILURE(hr);
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ADsAssert(pCResourcesEnumVar);
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_pCResourcesEnumVar = pCResourcesEnumVar;
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hr = _pCResourcesEnumVar->QueryInterface(IID_IUnknown,
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(void **)retval
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);
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BAIL_ON_FAILURE(hr);
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RRETURN(S_OK);
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error:
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delete pCResourcesEnumVar;
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RRETURN_EXP_IF_ERR(hr);
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}
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STDMETHODIMP
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CWinNTResourcesCollection::GetObject(THIS_ BSTR bstrResourceName,
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VARIANT *pvar
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)
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{
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HRESULT hr = S_OK;
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DWORD dwFileId;
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IDispatch *pDispatch = NULL;
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if(!bstrResourceName || !pvar){
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RRETURN_EXP_IF_ERR(E_ADS_BAD_PARAMETER);
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}
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//
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// convert the job name into a fileid
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//
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dwFileId = (DWORD)_wtol(bstrResourceName);
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hr = CWinNTResource::Create(_pszServerADsPath,
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dwFileId,
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ADS_OBJECT_BOUND,
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IID_IDispatch,
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_Credentials,
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(void **)&pDispatch
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);
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BAIL_IF_ERROR(hr);
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//
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// stick this IDispatch pointer into caller provided variant
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//
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VariantInit(pvar);
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V_VT(pvar) = VT_DISPATCH;
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V_DISPATCH(pvar) = pDispatch;
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cleanup:
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RRETURN_EXP_IF_ERR(hr);
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}
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STDMETHODIMP
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CWinNTResourcesCollection::Add(THIS_ BSTR bstrName, VARIANT varNewItem)
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{
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RRETURN_EXP_IF_ERR(E_NOTIMPL);
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}
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STDMETHODIMP
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CWinNTResourcesCollection::Remove(THIS_ BSTR bstrResourceName)
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{
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RRETURN_EXP_IF_ERR(E_NOTIMPL);
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}
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//
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// CWinNTResourcesEnumVar methods follow
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//
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//+---------------------------------------------------------------------------
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//
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// Function: CWinNTResourcesEnumVar::CWinNTResourcesEnumVar
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//
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// Synopsis:
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//
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//
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// Arguments:
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//
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//
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// Returns:
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//
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// Modifies:
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//
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// History: 11-22-95 RamV Created.
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//
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//----------------------------------------------------------------------------
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CWinNTResourcesEnumVar::CWinNTResourcesEnumVar()
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{
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_pszServerADsPath = NULL;
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_pszServerName = NULL;
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_pszBasePath = NULL;
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_pszUserName = NULL;
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_pbResources = NULL;
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_cElements = 0;
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_lLBound = 0;
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_lCurrentPosition = _lLBound;
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_dwTotalEntries = 0;
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_dwResumeHandle = 0;
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}
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//+---------------------------------------------------------------------------
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//
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// Function: CWinNTResourcesEnumVar::~CWinNTResourcesEnumVar
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//
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// Synopsis:
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//
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//
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// Arguments:
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//
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// Returns:
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//
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// Modifies:
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//
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// History: 11-22-95 RamV Created.
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//
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//----------------------------------------------------------------------------
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CWinNTResourcesEnumVar::~CWinNTResourcesEnumVar()
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{
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if(_pszServerADsPath){
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FreeADsStr(_pszServerADsPath);
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}
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if(_pszServerName){
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FreeADsStr(_pszServerName);
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}
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if(_pszBasePath){
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FreeADsStr(_pszBasePath);
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}
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if(_pszUserName){
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FreeADsStr(_pszUserName);
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}
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if(_pbResources){
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NetApiBufferFree(_pbResources);
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}
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}
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HRESULT CWinNTResourcesEnumVar::Create(LPTSTR pszServerADsPath,
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LPTSTR pszBasePath,
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LPTSTR pszUserName,
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CWinNTCredentials& Credentials,
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CWinNTResourcesEnumVar
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**ppCResourcesEnumVar)
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{
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HRESULT hr;
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BOOL fStatus = FALSE;
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POBJECTINFO pServerObjectInfo = NULL;
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CWinNTResourcesEnumVar FAR* pCResourcesEnumVar = NULL;
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*ppCResourcesEnumVar = NULL;
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pCResourcesEnumVar = new CWinNTResourcesEnumVar();
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if (pCResourcesEnumVar == NULL){
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hr = E_OUTOFMEMORY;
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goto cleanup;
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}
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pCResourcesEnumVar->_pszServerADsPath =
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AllocADsStr(pszServerADsPath);
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if(!(pCResourcesEnumVar->_pszServerADsPath)){
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hr = E_OUTOFMEMORY;
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goto cleanup;
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}
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hr = BuildObjectInfo(pszServerADsPath,
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&pServerObjectInfo
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);
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BAIL_IF_ERROR(hr);
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pCResourcesEnumVar->_pszServerName =
|
||
|
|
AllocADsStr(pServerObjectInfo->ComponentArray[1]);
|
||
|
|
|
||
|
|
if(!(pCResourcesEnumVar->_pszServerName)){
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
goto cleanup;
|
||
|
|
}
|
||
|
|
|
||
|
|
pCResourcesEnumVar->_Credentials = Credentials;
|
||
|
|
hr = pCResourcesEnumVar->_Credentials.RefServer(
|
||
|
|
pCResourcesEnumVar->_pszServerName);
|
||
|
|
BAIL_IF_ERROR(hr);
|
||
|
|
|
||
|
|
if(pszBasePath){
|
||
|
|
pCResourcesEnumVar->_pszBasePath =
|
||
|
|
AllocADsStr(pszBasePath);
|
||
|
|
|
||
|
|
if(!(pCResourcesEnumVar->_pszBasePath)){
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
goto cleanup;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(pszUserName){
|
||
|
|
|
||
|
|
pCResourcesEnumVar->_pszUserName =
|
||
|
|
AllocADsStr(pszUserName);
|
||
|
|
|
||
|
|
if(!(pCResourcesEnumVar->_pszUserName)){
|
||
|
|
hr = E_OUTOFMEMORY;
|
||
|
|
goto cleanup;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
*ppCResourcesEnumVar = pCResourcesEnumVar;
|
||
|
|
|
||
|
|
cleanup:
|
||
|
|
if(pServerObjectInfo){
|
||
|
|
FreeObjectInfo(pServerObjectInfo);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(SUCCEEDED(hr)){
|
||
|
|
RRETURN(hr);
|
||
|
|
}
|
||
|
|
|
||
|
|
delete pCResourcesEnumVar;
|
||
|
|
RRETURN_EXP_IF_ERR(hr);
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//+---------------------------------------------------------------------------
|
||
|
|
//
|
||
|
|
// Function: CWinNTResourcesEnumVar::Next
|
||
|
|
//
|
||
|
|
// Synopsis: Returns cElements number of requested Resource objects in the
|
||
|
|
// array supplied in pvar.
|
||
|
|
//
|
||
|
|
// Arguments: [cElements] -- The number of elements requested by client
|
||
|
|
// [pvar] -- ptr to array of VARIANTs to for return objects
|
||
|
|
// [pcElementFetched] -- if non-NULL, then number of elements
|
||
|
|
// -- actually returned is placed here
|
||
|
|
//
|
||
|
|
// Returns: HRESULT -- S_OK if number of elements requested are returned
|
||
|
|
// -- S_FALSE if number of elements is < requested
|
||
|
|
//
|
||
|
|
// Modifies:
|
||
|
|
//
|
||
|
|
// History: 11-27-95 RamV Created.
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
STDMETHODIMP
|
||
|
|
CWinNTResourcesEnumVar::Next(ULONG ulNumElementsRequested,
|
||
|
|
VARIANT FAR* pvar,
|
||
|
|
ULONG FAR* pulNumFetched)
|
||
|
|
{
|
||
|
|
|
||
|
|
HRESULT hresult;
|
||
|
|
ULONG l;
|
||
|
|
LONG lNewCurrent;
|
||
|
|
ULONG lNumFetched;
|
||
|
|
LPFILE_INFO_3 lpFileInfo;
|
||
|
|
VARIANT v;
|
||
|
|
IDispatch * pDispatch = NULL;
|
||
|
|
|
||
|
|
if (pulNumFetched != NULL){
|
||
|
|
*pulNumFetched = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Initialize the elements to be returned
|
||
|
|
//
|
||
|
|
|
||
|
|
for (l=0; l<ulNumElementsRequested; l++){
|
||
|
|
VariantInit(&pvar[l]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!_pbResources || (_lCurrentPosition == _lLBound +(LONG)_cElements) ){
|
||
|
|
if (_pbResources){
|
||
|
|
NetApiBufferFree(_pbResources);
|
||
|
|
_pbResources = NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(_dwTotalEntries == _cElements && (_dwTotalEntries !=0)){
|
||
|
|
//
|
||
|
|
// we got all elements already, no need to do another call
|
||
|
|
//
|
||
|
|
RRETURN(S_FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
hresult = WinNTEnumResources(_pszServerName,
|
||
|
|
_pszBasePath,
|
||
|
|
_pszUserName,
|
||
|
|
&_pbResources,
|
||
|
|
&_cElements,
|
||
|
|
&_dwTotalEntries,
|
||
|
|
&_dwResumeHandle
|
||
|
|
);
|
||
|
|
|
||
|
|
if(hresult == S_FALSE){
|
||
|
|
RRETURN(S_FALSE);
|
||
|
|
}
|
||
|
|
_lLBound = 0;
|
||
|
|
_lCurrentPosition = _lLBound;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get each element and place it into the return array
|
||
|
|
// Don't request more than we have
|
||
|
|
//
|
||
|
|
|
||
|
|
for (lNewCurrent=_lCurrentPosition, lNumFetched=0;
|
||
|
|
lNewCurrent<(LONG)(_lLBound+_cElements) &&
|
||
|
|
lNumFetched < ulNumElementsRequested;
|
||
|
|
lNewCurrent++, lNumFetched++){
|
||
|
|
|
||
|
|
lpFileInfo = (LPFILE_INFO_3)(_pbResources + \
|
||
|
|
lNewCurrent*sizeof(FILE_INFO_3));
|
||
|
|
|
||
|
|
|
||
|
|
hresult = CWinNTResource::Create((LPTSTR)_pszServerADsPath,
|
||
|
|
ADS_OBJECT_BOUND,
|
||
|
|
lpFileInfo->fi3_id,
|
||
|
|
IID_IDispatch,
|
||
|
|
_Credentials,
|
||
|
|
(void **)&pDispatch);
|
||
|
|
|
||
|
|
|
||
|
|
BAIL_ON_FAILURE(hresult);
|
||
|
|
|
||
|
|
VariantInit(&v);
|
||
|
|
V_VT(&v) = VT_DISPATCH;
|
||
|
|
V_DISPATCH(&v) = pDispatch;
|
||
|
|
pvar[lNumFetched] = v;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Tell the caller how many we got (which may be less than the number
|
||
|
|
// requested), and save the current position
|
||
|
|
//
|
||
|
|
|
||
|
|
if (pulNumFetched != NULL)
|
||
|
|
*pulNumFetched = lNumFetched;
|
||
|
|
|
||
|
|
_lCurrentPosition = lNewCurrent;
|
||
|
|
|
||
|
|
//
|
||
|
|
// If we're returning less than they asked for return S_FALSE, but
|
||
|
|
// they still have the data (S_FALSE is a success code)
|
||
|
|
//
|
||
|
|
|
||
|
|
return (lNumFetched < ulNumElementsRequested) ?
|
||
|
|
S_FALSE
|
||
|
|
: S_OK;
|
||
|
|
|
||
|
|
error:
|
||
|
|
|
||
|
|
if(FAILED(hresult)){
|
||
|
|
|
||
|
|
#if DBG
|
||
|
|
EnumResDebugOut((DEB_TRACE,
|
||
|
|
"hresult Failed with value: %ld \n", hresult ));
|
||
|
|
#endif
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
RRETURN(S_FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
HRESULT
|
||
|
|
WinNTEnumResources(LPTSTR pszServerName,
|
||
|
|
LPTSTR pszBasePath,
|
||
|
|
LPTSTR pszUserName,
|
||
|
|
LPBYTE * ppMem,
|
||
|
|
LPDWORD pdwEntriesRead,
|
||
|
|
LPDWORD pdwTotalEntries,
|
||
|
|
PDWORD_PTR pdwResumeHandle
|
||
|
|
)
|
||
|
|
|
||
|
|
{
|
||
|
|
|
||
|
|
LPBYTE pMem = NULL;
|
||
|
|
CWinNTResource *pCWinNTResource = NULL;
|
||
|
|
IDispatch *pDispatch = NULL;
|
||
|
|
VARIANT v;
|
||
|
|
LONG l;
|
||
|
|
HRESULT hr;
|
||
|
|
NET_API_STATUS nasStatus;
|
||
|
|
|
||
|
|
UNREFERENCED_PARAMETER(pszBasePath);
|
||
|
|
UNREFERENCED_PARAMETER(pszUserName);
|
||
|
|
|
||
|
|
//
|
||
|
|
// why have these parameters if they are unreferenced? Because we might
|
||
|
|
// use them in the future when more complicated enumerations are desired
|
||
|
|
//
|
||
|
|
|
||
|
|
nasStatus = NetFileEnum(pszServerName,
|
||
|
|
NULL,
|
||
|
|
pszUserName,
|
||
|
|
3, //info level desired
|
||
|
|
ppMem,
|
||
|
|
MAX_PREFERRED_LENGTH,
|
||
|
|
pdwEntriesRead,
|
||
|
|
pdwTotalEntries,
|
||
|
|
pdwResumeHandle
|
||
|
|
);
|
||
|
|
|
||
|
|
if(*ppMem == NULL|| (nasStatus != NERR_Success)){
|
||
|
|
//
|
||
|
|
// no more entries returned by NetFileEnum
|
||
|
|
//
|
||
|
|
RRETURN(S_FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
RRETURN(S_OK);
|
||
|
|
|
||
|
|
}
|