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//---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1992 - 1995
//
// File: cenumGroupCollection.cxx
//
// Contents: Windows NT 3.5 GroupCollection Enumeration Code
//
// CWinNTGroupCollectionEnum::CWinNTGroupCollectionEnum()
// CWinNTGroupCollectionEnum::CWinNTGroupCollectionEnum
// CWinNTGroupCollectionEnum::EnumObjects
// CWinNTGroupCollectionEnum::EnumObjects
//
// History:
//----------------------------------------------------------------------------
#include "winnt.hxx"
#pragma hdrstop
//+---------------------------------------------------------------------------
//
// Function: CWinNTEnumVariant::Create
//
// Synopsis:
//
// Arguments: [pCollection]
// [ppEnumVariant]
//
// Returns: HRESULT
//
// Modifies:
//
// History: 01-30-95 krishnag Created.
//
//----------------------------------------------------------------------------
HRESULTCWinNTGroupCollectionEnum::Create( CWinNTGroupCollectionEnum FAR* FAR* ppenumvariant, BSTR Parent, ULONG ParentType, BSTR ADsPath, BSTR DomainName, BSTR ServerName, BSTR GroupName, ULONG GroupType, VARIANT var, CWinNTCredentials& Credentials ){ HRESULT hr = NOERROR; CWinNTGroupCollectionEnum FAR* penumvariant = NULL;
*ppenumvariant = NULL;
penumvariant = new CWinNTGroupCollectionEnum(); if (!penumvariant) { hr = E_OUTOFMEMORY; BAIL_ON_FAILURE(hr); }
hr = ADsAllocString( Parent, &penumvariant->_Parent); BAIL_ON_FAILURE(hr);
hr = ADsAllocString( DomainName, &penumvariant->_DomainName); BAIL_ON_FAILURE(hr);
hr = ADsAllocString( ServerName, &penumvariant->_ServerName); BAIL_ON_FAILURE(hr);
penumvariant->_ParentType = ParentType;
hr = ADsAllocString(ADsPath, &penumvariant->_ADsPath); BAIL_ON_FAILURE(hr);
hr = ADsAllocString( GroupName, &penumvariant->_GroupName); BAIL_ON_FAILURE(hr);
penumvariant->_GroupType = GroupType;
hr = ObjectTypeList::CreateObjectTypeList( var, &penumvariant->_pObjList ); BAIL_ON_FAILURE(hr);
penumvariant->_Credentials = Credentials; hr = penumvariant->_Credentials.Ref(ServerName, DomainName, ParentType); BAIL_ON_FAILURE(hr);
*ppenumvariant = penumvariant;
RRETURN(hr);
error: delete penumvariant;
RRETURN_EXP_IF_ERR(hr);}
CWinNTGroupCollectionEnum::CWinNTGroupCollectionEnum(): _Parent(NULL), _ParentType(0), _ADsPath(NULL), _DomainName(NULL), _ServerName(NULL), _GroupName(NULL), _lpServerName(NULL), _hGroup(NULL)
{ _pObjList = NULL;}
CWinNTGroupCollectionEnum::CWinNTGroupCollectionEnum(ObjectTypeList ObjList): _Parent(NULL), _ParentType(0), _ADsPath(NULL), _DomainName(NULL), _ServerName(NULL), _GroupName(NULL), _lpServerName(NULL), _hGroup(NULL){ _pObjList = NULL;}
CWinNTGroupCollectionEnum::~CWinNTGroupCollectionEnum(){
if (_hGroup) {
if (_GroupType == WINNT_GROUP_GLOBAL) {
WinNTGlobalGroupClose( _hGroup ); }else {
WinNTLocalGroupClose( _hGroup ); }
}
if (_Parent) { ADsFreeString(_Parent); }
if (_DomainName) { ADsFreeString(_DomainName); }
if (_ServerName) { ADsFreeString(_ServerName); }
if (_ADsPath) { ADsFreeString(_ADsPath); }
if (_GroupName) { ADsFreeString(_GroupName); }
if (_pObjList) {
delete _pObjList; }
if (_lpServerName) {
FreeADsStr(_lpServerName) ; }}
HRESULTCWinNTGroupCollectionEnum::EnumGroupMembers( ULONG cElements, VARIANT FAR* pvar, ULONG FAR* pcElementFetched ){ HRESULT hr = S_FALSE; IDispatch *pDispatch = NULL; DWORD i = 0;
IADs * pIADs = NULL; BSTR pszClass = NULL; DWORD dwClassID; DWORD dwFilterID; BOOL fFound = FALSE;
while (i < cElements) {
//
// This is the global group case
//
hr = GetDomainMemberObject(&pDispatch);
if (hr == S_FALSE) { break; }
//
// Apply the IADsMembers::put_Filter filter.
// If the enumerated object is not one of the types to be returned,
// go on to the next member of the group.
//
hr = pDispatch->QueryInterface(IID_IADs, (void **)&pIADs); BAIL_ON_FAILURE(hr);
//
// Determine the object class of the enumerated object and the corresponding
// object class ID number (as specified in the Filters global array).
//
hr = pIADs->get_Class(&pszClass); BAIL_ON_FAILURE(hr);
hr = IsValidFilter(pszClass, &dwClassID, gpFilters, gdwMaxFilters); if (SUCCEEDED(hr)) {
//
// Enumerate through the object classes listed in the user-specified filter
// until we either find a match (fFound = TRUE) or we reach the end of the
// list.
//
hr = _pObjList->Reset();
while (SUCCEEDED(hr)) { hr = _pObjList->GetCurrentObject(&dwFilterID); if (SUCCEEDED(hr) && (dwFilterID == dwClassID) ) { fFound = TRUE; break; }
hr = _pObjList->Next(); }
if (!fFound) { //
// not on the list of objects to return, try again
// with the next member of the group
//
pDispatch->Release();
pIADs->Release(); if (pszClass) { ADsFreeString(pszClass); } continue; }
}
pIADs->Release(); if (pszClass) { ADsFreeString(pszClass); }
//
// Return it.
//
VariantInit(&pvar[i]); pvar[i].vt = VT_DISPATCH; pvar[i].pdispVal = pDispatch; (*pcElementFetched)++; i++; } RRETURN_EXP_IF_ERR(hr);
error: if (pDispatch) { pDispatch->Release(); }
if (pIADs) { pIADs->Release(); }
if (pszClass) { ADsFreeString(pszClass); }
RRETURN_EXP_IF_ERR(hr);
}
HRESULTCWinNTGroupCollectionEnum::GetDomainMemberObject( IDispatch ** ppDispatch ){
HRESULT hr = S_OK; LPDOMAIN_GROUP_MEMBER pDomainGrpMember = NULL; LPBYTE pBuffer = NULL; DWORD dwReturned = 0; BOOL dwRet = 0; WCHAR szHostServerName[MAX_PATH];
if (!_lpServerName) {
hr = WinNTGetCachedDCName( _DomainName, szHostServerName, _Credentials.GetFlags() );
BAIL_ON_FAILURE(hr);
if (!(_lpServerName = AllocADsStr(szHostServerName))) {
hr = HRESULT_FROM_WIN32(ERROR_NOT_ENOUGH_MEMORY) ;
BAIL_ON_FAILURE(hr); } }
if (!_hGroup) { dwRet = WinNTGlobalGroupOpen( _DomainName, _lpServerName + 2, // skip the 2 leading back slashes
_GroupName, &_hGroup ); if (!dwRet) { goto error; } }
dwRet = WinNTGlobalGroupEnum( _hGroup, 1, &pBuffer, &dwReturned ); if (!dwRet) { goto error; }
pDomainGrpMember = (LPDOMAIN_GROUP_MEMBER)pBuffer;
switch (pDomainGrpMember->Type) { case WINNT_USER_ID : hr = CWinNTUser::CreateUser( pDomainGrpMember->Parent, WINNT_DOMAIN_ID, pDomainGrpMember->Domain, NULL, pDomainGrpMember->Name, ADS_OBJECT_BOUND, IID_IDispatch, _Credentials, (void **)ppDispatch ); break;
case WINNT_GROUP_ID: hr = CWinNTGroup::CreateGroup( pDomainGrpMember->Parent, WINNT_DOMAIN_ID, pDomainGrpMember->Domain, NULL, pDomainGrpMember->Name, WINNT_GROUP_GLOBAL, ADS_OBJECT_BOUND, IID_IDispatch, _Credentials, (void **)ppDispatch ); break;
default: goto error; }
BAIL_ON_FAILURE(hr);
hr = S_OK;
cleanup:
if (pBuffer) {
FreeADsMem(pBuffer); }
RRETURN(hr);
error:
*ppDispatch = NULL;
hr = S_FALSE;
goto cleanup;
}
//+---------------------------------------------------------------------------
//
// Function: CWinNTGroupCollectionEnum::Next
//
// Synopsis: Returns cElements number of requested NetOle 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: 11-3-95 krishnag Created.
//
//----------------------------------------------------------------------------
STDMETHODIMPCWinNTGroupCollectionEnum::Next( ULONG cElements, VARIANT FAR* pvar, ULONG FAR* pcElementFetched ){ ULONG cElementFetched = 0; HRESULT hr = S_OK;
if (NULL == pvar) { hr = S_FALSE; } else { hr = EnumGroupMembers( cElements, pvar, &cElementFetched ); }
if (pcElementFetched) { *pcElementFetched = cElementFetched; } RRETURN_EXP_IF_ERR(hr);}
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