Source code of Windows XP (NT5)
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//***************************************************************************
//
// Copyright (c) 1998-1999 Microsoft Corporation
//
// ENUMOBJ.CPP
//
// alanbos 15-Aug-96 Created.
//
// Defines the implementation of ISWbemObjectSet
//
//***************************************************************************
#include "precomp.h"
//***************************************************************************
//
// CSWbemPrivilegeSet::CSWbemPrivilegeSet
//
// DESCRIPTION:
//
// Constructor.
//
//***************************************************************************
CSWbemPrivilegeSet::CSWbemPrivilegeSet()
{
m_Dispatch.SetObj (this, IID_ISWbemPrivilegeSet,
CLSID_SWbemPrivilegeSet, L"SWbemPrivilegeSet");
m_cRef=1;
m_bMutable = true;
InterlockedIncrement(&g_cObj);
}
CSWbemPrivilegeSet::CSWbemPrivilegeSet(
const CSWbemPrivilegeSet &privSet,
bool bMutable
)
{
m_Dispatch.SetObj (this, IID_ISWbemPrivilegeSet,
CLSID_SWbemPrivilegeSet, L"SWbemPrivilegeSet");
m_cRef=1;
m_bMutable = bMutable;
// Copy the contents of the supplied Privilege set to this set
PrivilegeMap::const_iterator next = privSet.m_PrivilegeMap.begin ();
while (next != privSet.m_PrivilegeMap.end ())
{
WbemPrivilegeEnum iPrivilege = (*next).first;
CSWbemPrivilege *pPrivilege = (*next).second;
pPrivilege->AddRef ();
m_PrivilegeMap.insert
(PrivilegeMap::value_type(iPrivilege, pPrivilege));
next++;
}
InterlockedIncrement(&g_cObj);
}
CSWbemPrivilegeSet::CSWbemPrivilegeSet(
ISWbemPrivilegeSet *pPrivilegeSet
)
{
m_Dispatch.SetObj (this, IID_ISWbemPrivilegeSet,
CLSID_SWbemPrivilegeSet, L"SWbemPrivilegeSet");
m_cRef=1;
m_bMutable = true;
// Copy the contents of the supplied Privilege set to this set
if (pPrivilegeSet)
{
IUnknown *pUnk = NULL;
if (SUCCEEDED(pPrivilegeSet->get__NewEnum (&pUnk)))
{
IEnumVARIANT *pNewEnum = NULL;
if (SUCCEEDED(pUnk->QueryInterface(IID_IEnumVARIANT, (void**) &pNewEnum)))
{
VARIANT var;
VariantInit (&var);
ULONG lFetched = 0;
while (S_OK == pNewEnum->Next(1, &var, &lFetched))
{
if (VT_DISPATCH == V_VT(&var))
{
ISWbemPrivilege *pISWbemPrivilege = NULL;
if (SUCCEEDED((var.pdispVal)->QueryInterface (IID_ISWbemPrivilege,
(void**) &pISWbemPrivilege)))
{
WbemPrivilegeEnum iPrivilege;
VARIANT_BOOL bIsEnabled;
ISWbemPrivilege *pDummy = NULL;
pISWbemPrivilege->get_Identifier (&iPrivilege);
pISWbemPrivilege->get_IsEnabled (&bIsEnabled);
if (SUCCEEDED (Add (iPrivilege, bIsEnabled, &pDummy)))
pDummy->Release ();
pISWbemPrivilege->Release ();
}
}
VariantClear (&var);
}
VariantClear (&var);
pNewEnum->Release ();
}
pUnk->Release ();
}
}
InterlockedIncrement(&g_cObj);
}
//***************************************************************************
//
// CSWbemPrivilegeSet::~CSWbemPrivilegeSet
//
// DESCRIPTION:
//
// Destructor.
//
//***************************************************************************
CSWbemPrivilegeSet::~CSWbemPrivilegeSet(void)
{
PrivilegeMap::iterator next;
while ((next = m_PrivilegeMap.begin ()) != m_PrivilegeMap.end ())
{
CSWbemPrivilege *pPrivilege = (*next).second;
next = m_PrivilegeMap.erase (next);
pPrivilege->Release ();
}
InterlockedDecrement(&g_cObj);
}
//***************************************************************************
// HRESULT CSWbemPrivilegeSet::QueryInterface
// long CSWbemPrivilegeSet::AddRef
// long CSWbemPrivilegeSet::Release
//
// DESCRIPTION:
//
// Standard Com IUNKNOWN functions.
//
//***************************************************************************
STDMETHODIMP CSWbemPrivilegeSet::QueryInterface (
IN REFIID riid,
OUT LPVOID *ppv
)
{
*ppv=NULL;
if (IID_IUnknown==riid)
*ppv = reinterpret_cast<IUnknown*>(this);
else if (IID_ISWbemPrivilegeSet==riid)
*ppv = (ISWbemPrivilegeSet *)this;
else if (IID_IDispatch==riid)
*ppv = (IDispatch *)this;
else if (IID_ISupportErrorInfo==riid)
*ppv = (ISupportErrorInfo *)this;
else if (IID_IProvideClassInfo==riid)
*ppv = (IProvideClassInfo *)this;
if (NULL!=*ppv)
{
((LPUNKNOWN)*ppv)->AddRef();
return NOERROR;
}
return ResultFromScode(E_NOINTERFACE);
}
STDMETHODIMP_(ULONG) CSWbemPrivilegeSet::AddRef(void)
{
long l = InterlockedIncrement(&m_cRef);
return l;
}
STDMETHODIMP_(ULONG) CSWbemPrivilegeSet::Release(void)
{
long l = InterlockedDecrement(&m_cRef);
if (0L!=l)
return l;
delete this;
return 0;
}
//***************************************************************************
// HRESULT CSWbemPrivilegeSet::InterfaceSupportsErrorInfo
//
// DESCRIPTION:
//
// Standard Com ISupportErrorInfo functions.
//
//***************************************************************************
STDMETHODIMP CSWbemPrivilegeSet::InterfaceSupportsErrorInfo (IN REFIID riid)
{
return (IID_ISWbemPrivilegeSet == riid) ? S_OK : S_FALSE;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::get__NewEnum
//
// DESCRIPTION:
//
// Return an IEnumVARIANT-supporting interface for collections
//
// PARAMETERS:
//
// ppUnk on successful return addresses the IUnknown interface
//
// RETURN VALUES:
//
// S_OK success
// E_FAIL otherwise
//
//***************************************************************************
HRESULT CSWbemPrivilegeSet::get__NewEnum (
IUnknown **ppUnk
)
{
HRESULT hr = E_FAIL;
ResetLastErrors ();
if (NULL != ppUnk)
{
*ppUnk = NULL;
CEnumPrivilegeSet *pEnum = new CEnumPrivilegeSet (this);
if (!pEnum)
hr = WBEM_E_OUT_OF_MEMORY;
else if (FAILED(hr = pEnum->QueryInterface (IID_IUnknown, (PPVOID) ppUnk)))
delete pEnum;
}
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::get_Count
//
// DESCRIPTION:
//
// Return the number of items in the collection
//
// PARAMETERS:
//
// plCount on successful return addresses the count
//
// RETURN VALUES:
//
// S_OK success
// E_FAIL otherwise
//
//***************************************************************************
HRESULT CSWbemPrivilegeSet::get_Count (
long *plCount
)
{
HRESULT hr = E_FAIL;
ResetLastErrors ();
if (NULL != plCount)
{
*plCount = m_PrivilegeMap.size ();
hr = S_OK;
}
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::Item
//
// DESCRIPTION:
//
// Get object from the enumeration by path.
//
// PARAMETERS:
//
// bsObjectPath The path of the object to retrieve
// lFlags Flags
// ppNamedObject On successful return addresses the object
//
// RETURN VALUES:
//
// WBEM_S_NO_ERROR success
// WBEM_E_INVALID_PARAMETER bad input parameters
// WBEM_E_FAILED otherwise
//
//***************************************************************************
HRESULT CSWbemPrivilegeSet::Item (
WbemPrivilegeEnum iPrivilege,
ISWbemPrivilege **ppPrivilege
)
{
HRESULT hr = WBEM_E_NOT_FOUND;
ResetLastErrors ();
if (NULL == ppPrivilege)
hr = WBEM_E_INVALID_PARAMETER;
else
{
*ppPrivilege = NULL;
PrivilegeMap::iterator theIterator;
theIterator = m_PrivilegeMap.find (iPrivilege);
if (theIterator != m_PrivilegeMap.end ())
{
CSWbemPrivilege *pPrivilege = (*theIterator).second;
if (SUCCEEDED(pPrivilege->QueryInterface
(IID_ISWbemPrivilege, (PPVOID) ppPrivilege)))
{
hr = WBEM_S_NO_ERROR;
}
}
}
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::DeleteAll
//
// DESCRIPTION:
//
// Remove all items in the collection
//
// RETURN VALUES:
//
// S_OK success
// E_FAIL otherwise
//
//***************************************************************************
HRESULT CSWbemPrivilegeSet::DeleteAll ()
{
HRESULT hr = S_OK;
ResetLastErrors ();
if (m_bMutable)
{
PrivilegeMap::iterator next;
while ((next = m_PrivilegeMap.begin ()) != m_PrivilegeMap.end ())
{
CSWbemPrivilege *pPrivilege = (*next).second;
next = m_PrivilegeMap.erase (next);
pPrivilege->Release ();
}
}
else
hr = WBEM_E_READ_ONLY;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::Remove
//
// DESCRIPTION:
//
// Remove the named item in the collection
//
// PARAMETERS
// bsName Name of item to remove
//
// RETURN VALUES:
//
// S_OK success
// E_FAIL otherwise
//
//***************************************************************************
HRESULT CSWbemPrivilegeSet::Remove (
WbemPrivilegeEnum iPrivilege
)
{
HRESULT hr = WBEM_E_NOT_FOUND;
ResetLastErrors ();
if (m_bMutable)
{
PrivilegeMap::iterator theIterator = m_PrivilegeMap.find (iPrivilege);
if (theIterator != m_PrivilegeMap.end ())
{
// Found it - release and remove
CSWbemPrivilege *pPrivilege = (*theIterator).second;
m_PrivilegeMap.erase (theIterator);
pPrivilege->Release ();
hr = S_OK;
}
}
else
hr = WBEM_E_READ_ONLY;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::Add
//
// DESCRIPTION:
//
// Add a new item to the collection
//
// RETURN VALUES:
//
// S_OK success
// wbemErrInvalidParameter privilege name not recognized by OS
// E_FAIL otherwise
//
//***************************************************************************
HRESULT CSWbemPrivilegeSet::Add (
WbemPrivilegeEnum iPrivilege,
VARIANT_BOOL bIsEnabled,
ISWbemPrivilege **ppPrivilege
)
{
HRESULT hr = E_FAIL;
ResetLastErrors ();
if (NULL == ppPrivilege)
hr = WBEM_E_INVALID_PARAMETER;
else if (m_bMutable)
{
CSWbemPrivilege *pPrivilege = NULL;
PrivilegeMap::iterator theIterator = m_PrivilegeMap.find (iPrivilege);
if (theIterator != m_PrivilegeMap.end ())
{
// Already there, so modify setting
pPrivilege = (*theIterator).second;
if (SUCCEEDED(hr = pPrivilege->QueryInterface (IID_ISWbemPrivilege,
(PPVOID) ppPrivilege)))
{
pPrivilege->put_IsEnabled (bIsEnabled);
}
}
else
{
/*
* Potential new element - first check it's
* a valid Privilege name by getting it's LUID.
*/
LUID luid;
TCHAR *tName = CSWbemPrivilege::GetNameFromId (iPrivilege);
if (tName && CSWbemSecurity::LookupPrivilegeValue(tName, &luid))
{
// Super. Now add it to the map (note that constructor AddRef's)
pPrivilege = new CSWbemPrivilege (iPrivilege, luid,
(bIsEnabled) ? true : false);
if (!pPrivilege)
hr = WBEM_E_OUT_OF_MEMORY;
else if (SUCCEEDED(hr = pPrivilege->QueryInterface (IID_ISWbemPrivilege,
(PPVOID)ppPrivilege)))
{
m_PrivilegeMap.insert
(PrivilegeMap::value_type(iPrivilege, pPrivilege));
}
else
{
delete pPrivilege;
}
}
else
{
DWORD dwLastError = GetLastError ();
hr = wbemErrInvalidParameter;
}
}
}
else
hr = WBEM_E_READ_ONLY;
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
return hr;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::AddAsString
//
// DESCRIPTION:
//
// Add a new item to the collection; the privilege is specified by
// an NT privilege string rather than a WbemPrivilegeEnum id.
//
// RETURN VALUES:
//
// S_OK success
// wbemErrInvalidParameter privilege name not recognized by OS
// E_FAIL otherwise
//
//***************************************************************************
HRESULT CSWbemPrivilegeSet::AddAsString (
BSTR bsPrivilege,
VARIANT_BOOL bIsEnabled,
ISWbemPrivilege **ppPrivilege
)
{
HRESULT hr = wbemErrInvalidParameter;
ResetLastErrors ();
// Map the string into a Privilege id
WbemPrivilegeEnum iPrivilege;
if (CSWbemPrivilege::GetIdFromName (bsPrivilege, iPrivilege))
hr = Add (iPrivilege, bIsEnabled, ppPrivilege);
else
{
if (FAILED(hr))
m_Dispatch.RaiseException (hr);
}
return hr;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::GetNumberOfDisabledElements
//
// DESCRIPTION:
//
// Add a new item to the collection
//
// RETURN VALUES:
//
// S_OK success
// wbemErrInvalidParameter privilege name not recognized by OS
// E_FAIL otherwise
//
//***************************************************************************
ULONG CSWbemPrivilegeSet::GetNumberOfDisabledElements ()
{
ULONG lNum = 0;
PrivilegeMap::iterator next = m_PrivilegeMap.begin ();
while (next != m_PrivilegeMap.end ())
{
CSWbemPrivilege *pPrivilege = (*next).second;
VARIANT_BOOL bValue;
if (SUCCEEDED(pPrivilege->get_IsEnabled (&bValue)) && (VARIANT_FALSE == bValue))
lNum++;
next++;
}
return lNum;
}
//***************************************************************************
//
// SCODE CSWbemPrivilegeSet::Reset
//
// DESCRIPTION:
//
// Remove all items from the set and reinstantiate with
// a copy of the items in the input privilege set
//
//***************************************************************************
void CSWbemPrivilegeSet::Reset (CSWbemPrivilegeSet &privSet)
{
DeleteAll ();
PrivilegeMap::iterator next = privSet.m_PrivilegeMap.begin ();
while (next != privSet.m_PrivilegeMap.end ())
{
VARIANT_BOOL bIsEnabled;
CSWbemPrivilege *pPrivilege = (*next).second;
pPrivilege->get_IsEnabled (&bIsEnabled);
ISWbemPrivilege *pDummy = NULL;
if (SUCCEEDED (Add ((*next).first, bIsEnabled, &pDummy)))
pDummy->Release ();
next++;
}
}
// CEnumPrivilegeSet Methods
//***************************************************************************
//
// CEnumPrivilegeSet::CEnumPrivilegeSet
//
// DESCRIPTION:
//
// Constructor.
//
//***************************************************************************
CEnumPrivilegeSet::CEnumPrivilegeSet(CSWbemPrivilegeSet *pPrivilegeSet)
{
m_cRef=0;
m_pPrivilegeSet = pPrivilegeSet;
if (m_pPrivilegeSet)
{
m_pPrivilegeSet->AddRef ();
m_Iterator = m_pPrivilegeSet->m_PrivilegeMap.begin ();
}
InterlockedIncrement(&g_cObj);
}
CEnumPrivilegeSet::CEnumPrivilegeSet(CSWbemPrivilegeSet *pPrivilegeSet,
PrivilegeMap::iterator iterator) :
m_Iterator (iterator)
{
m_cRef=0;
m_pPrivilegeSet = pPrivilegeSet;
if (m_pPrivilegeSet)
{
m_pPrivilegeSet->AddRef ();
}
InterlockedIncrement(&g_cObj);
}
//***************************************************************************
//
// CEnumPrivilegeSet::~CEnumPrivilegeSet
//
// DESCRIPTION:
//
// Destructor.
//
//***************************************************************************
CEnumPrivilegeSet::~CEnumPrivilegeSet(void)
{
InterlockedDecrement(&g_cObj);
if (m_pPrivilegeSet)
m_pPrivilegeSet->Release ();
}
//***************************************************************************
// HRESULT CEnumPrivilegeSet::QueryInterface
// long CEnumPrivilegeSet::AddRef
// long CEnumPrivilegeSet::Release
//
// DESCRIPTION:
//
// Standard Com IUNKNOWN functions.
//
//***************************************************************************
STDMETHODIMP CEnumPrivilegeSet::QueryInterface (
IN REFIID riid,
OUT LPVOID *ppv
)
{
*ppv=NULL;
if (IID_IUnknown==riid || IID_IEnumVARIANT==riid)
*ppv=this;
if (NULL!=*ppv)
{
((LPUNKNOWN)*ppv)->AddRef();
return NOERROR;
}
return ResultFromScode(E_NOINTERFACE);
}
STDMETHODIMP_(ULONG) CEnumPrivilegeSet::AddRef(void)
{
long l = InterlockedIncrement(&m_cRef);
return l;
}
STDMETHODIMP_(ULONG) CEnumPrivilegeSet::Release(void)
{
long l = InterlockedDecrement(&m_cRef);
if (0L!=l)
return l;
delete this;
return 0;
}
//***************************************************************************
//
// SCODE CEnumPrivilegeSet::Reset
//
// DESCRIPTION:
//
// Reset the enumeration
//
// PARAMETERS:
//
// RETURN VALUES:
//
// S_OK success
// S_FALSE otherwise
//
//***************************************************************************
HRESULT CEnumPrivilegeSet::Reset ()
{
HRESULT hr = S_FALSE;
if (m_pPrivilegeSet)
{
m_Iterator = m_pPrivilegeSet->m_PrivilegeMap.begin ();
}
else
{
hr = E_FAIL;
}
return hr;
}
//***************************************************************************
//
// SCODE CEnumPrivilegeSet::Next
//
// DESCRIPTION:
//
// Get the next object in the enumeration
//
// PARAMETERS:
//
// lTimeout Number of ms to wait for object (or WBEM_INFINITE for
// indefinite)
// ppObject On return may contain the next element (if any)
//
// RETURN VALUES:
//
// S_OK success
// S_FALSE not all elements could be returned
//
//***************************************************************************
HRESULT CEnumPrivilegeSet::Next (
ULONG cElements,
VARIANT FAR* pVar,
ULONG FAR* pcElementFetched
)
{
HRESULT hr = S_OK;
ULONG l2 = 0;
if (NULL != pcElementFetched)
*pcElementFetched = 0;
if ((NULL != pVar) && (m_pPrivilegeSet))
{
for (ULONG l = 0; l < cElements; l++)
VariantInit (&pVar [l]);
// Retrieve the next cElements elements.
for (l2 = 0; l2 < cElements; l2++)
{
if (m_Iterator != m_pPrivilegeSet->m_PrivilegeMap.end ())
{
CSWbemPrivilege *pSWbemPrivilege = (*m_Iterator).second;
m_Iterator++;
ISWbemPrivilege *pISWbemPrivilege = NULL;
if (SUCCEEDED(pSWbemPrivilege->QueryInterface
(IID_ISWbemPrivilege, (PPVOID) &pISWbemPrivilege)))
{
// Set the object into the variant array; note that pObject
// has been addref'd as a result of the QI() call above
pVar[l2].vt = VT_DISPATCH;
pVar[l2].pdispVal = pISWbemPrivilege;
}
}
else
break;
}
if (NULL != pcElementFetched)
*pcElementFetched = l2;
}
if (FAILED(hr))
return hr;
return (l2 < cElements) ? S_FALSE : S_OK;
}
//***************************************************************************
//
// SCODE CEnumPrivilegeSet::Clone
//
// DESCRIPTION:
//
// Create a copy of this enumeration
//
// PARAMETERS:
//
// ppEnum on successful return addresses the clone
//
// RETURN VALUES:
//
// WBEM_S_NO_ERROR success
// WBEM_E_FAILED otherwise
//
//***************************************************************************
HRESULT CEnumPrivilegeSet::Clone (
IEnumVARIANT **ppEnum
)
{
HRESULT hr = E_FAIL;
if (NULL != ppEnum)
{
*ppEnum = NULL;
if (m_pPrivilegeSet)
{
CEnumPrivilegeSet *pEnum = new CEnumPrivilegeSet (m_pPrivilegeSet, m_Iterator);
if (!pEnum)
hr = WBEM_E_OUT_OF_MEMORY;
else if (FAILED(hr = pEnum->QueryInterface (IID_IEnumVARIANT, (PPVOID) ppEnum)))
delete pEnum;;
}
}
return hr;
}
//***************************************************************************
//
// SCODE CEnumPrivilegeSet::Skip
//
// DESCRIPTION:
//
// Skip specified number of elements
//
// PARAMETERS:
//
// ppEnum on successful return addresses the clone
//
// RETURN VALUES:
//
// S_OK success
// S_FALSE end of sequence reached prematurely
//
//***************************************************************************
HRESULT CEnumPrivilegeSet::Skip(
ULONG cElements
)
{
HRESULT hr = S_FALSE;
if (m_pPrivilegeSet)
{
ULONG l2;
// Retrieve the next cElements elements.
for (l2 = 0; l2 < cElements; l2++)
{
if (m_Iterator != m_pPrivilegeSet->m_PrivilegeMap.end ())
m_Iterator++;
else
break;
}
if (l2 == cElements)
hr = S_OK;
}
return hr;
}