442 lines
11 KiB
C++
442 lines
11 KiB
C++
//---------------------------------------------------------------------------
|
|
//
|
|
// Microsoft Windows
|
|
// Copyright (C) Microsoft Corporation, 1992 - 1995
|
|
//
|
|
// File: cenumGroupCollection.cxx
|
|
//
|
|
// Contents: Windows NT 3.5 GroupCollection Enumeration Code
|
|
//
|
|
// History:
|
|
//----------------------------------------------------------------------------
|
|
#include "winnt.hxx"
|
|
#pragma hdrstop
|
|
|
|
#define BASE_BUFFER_SIZE (4096 * sizeof(WCHAR))
|
|
|
|
CWinNTUserGroupsCollectionEnum::CWinNTUserGroupsCollectionEnum():
|
|
_ParentType(0),
|
|
_ParentADsPath(NULL),
|
|
_DomainName(NULL),
|
|
_ServerName(NULL),
|
|
_UserName(NULL),
|
|
_pGlobalBuffer(NULL),
|
|
_pLocalBuffer(NULL),
|
|
_dwCurrent(0),
|
|
_dwTotal(0),
|
|
_dwGlobalTotal(0),
|
|
_dwLocalTotal(0),
|
|
_fIsDomainController(FALSE)
|
|
{
|
|
VariantInit(&_vFilter);
|
|
}
|
|
|
|
CWinNTUserGroupsCollectionEnum::~CWinNTUserGroupsCollectionEnum()
|
|
{
|
|
if (_ParentADsPath)
|
|
ADsFreeString(_ParentADsPath);
|
|
if (_DomainName)
|
|
ADsFreeString(_DomainName);
|
|
if (_ServerName)
|
|
ADsFreeString(_ServerName);
|
|
if (_UserName)
|
|
ADsFreeString(_UserName);
|
|
if (_pGlobalBuffer)
|
|
NetApiBufferFree(_pGlobalBuffer);
|
|
if (_pLocalBuffer)
|
|
NetApiBufferFree(_pLocalBuffer);
|
|
VariantClear(&_vFilter);
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: CWinNTEnumVariant::Create
|
|
//
|
|
// Synopsis:
|
|
//
|
|
// Arguments: [pCollection]
|
|
// [ppEnumVariant]
|
|
//
|
|
// Returns: HRESULT
|
|
//
|
|
// Modifies:
|
|
//
|
|
// History: 01-30-95 krishnag Created.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
HRESULT
|
|
CWinNTUserGroupsCollectionEnum::Create(
|
|
CWinNTUserGroupsCollectionEnum FAR* FAR* ppenumvariant,
|
|
ULONG ParentType,
|
|
BSTR ParentADsPath,
|
|
BSTR DomainName,
|
|
BSTR ServerName,
|
|
BSTR UserName,
|
|
VARIANT vFilter,
|
|
CWinNTCredentials& Credentials
|
|
)
|
|
{
|
|
HRESULT hr = NOERROR;
|
|
CWinNTUserGroupsCollectionEnum FAR* penumvariant = NULL;
|
|
LPSERVER_INFO_101 lpServerInfo =NULL;
|
|
NET_API_STATUS nasStatus;
|
|
WCHAR szServer[MAX_PATH];
|
|
|
|
//
|
|
// Should the checks below be assertions?
|
|
//
|
|
|
|
if (!ppenumvariant)
|
|
return E_FAIL;
|
|
|
|
if (ParentType != WINNT_DOMAIN_ID &&
|
|
ParentType != WINNT_COMPUTER_ID)
|
|
return E_FAIL;
|
|
|
|
*ppenumvariant = NULL;
|
|
|
|
penumvariant = new CWinNTUserGroupsCollectionEnum();
|
|
if (!penumvariant) {
|
|
hr = E_OUTOFMEMORY;
|
|
BAIL_ON_FAILURE(hr);
|
|
}
|
|
|
|
penumvariant->_ParentType = ParentType;
|
|
|
|
hr = ADsAllocString(ParentADsPath , &penumvariant->_ParentADsPath);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = ADsAllocString(DomainName, &penumvariant->_DomainName);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
|
|
hr = ADsAllocString(ServerName, &penumvariant->_ServerName);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = ADsAllocString(UserName, &penumvariant->_UserName);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
//
|
|
// We currently copy the filter but do nothing with it!!!
|
|
//
|
|
|
|
hr = VariantCopy(&penumvariant->_vFilter, &vFilter);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
// check if the server is a DC
|
|
MakeUncName(ServerName, szServer);
|
|
nasStatus = NetServerGetInfo(
|
|
szServer,
|
|
101,
|
|
(LPBYTE *)&lpServerInfo
|
|
);
|
|
hr = HRESULT_FROM_WIN32(nasStatus);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
if( (lpServerInfo->sv101_type & SV_TYPE_DOMAIN_CTRL) ||
|
|
(lpServerInfo->sv101_type & SV_TYPE_DOMAIN_BAKCTRL) ) {
|
|
penumvariant->_fIsDomainController = TRUE;
|
|
}
|
|
else
|
|
penumvariant->_fIsDomainController = FALSE;
|
|
|
|
hr = penumvariant->DoEnumeration();
|
|
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;
|
|
|
|
if(lpServerInfo)
|
|
NetApiBufferFree(lpServerInfo);
|
|
|
|
RRETURN_EXP_IF_ERR(hr);
|
|
}
|
|
|
|
HRESULT
|
|
CWinNTUserGroupsCollectionEnum::DoEnumeration()
|
|
{
|
|
HRESULT hr;
|
|
|
|
if (_ParentType == WINNT_DOMAIN_ID) {
|
|
|
|
hr = DoGlobalEnumeration();
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = DoLocalEnumeration();
|
|
|
|
} else if (_ParentType == WINNT_COMPUTER_ID) {
|
|
|
|
// We also want to try and get the global groups,
|
|
// as this will be empty if the user does not belong to
|
|
// any global groups.
|
|
// We need to be careful on where we fail as we should
|
|
// continue enumerating local groups for lots of cases.
|
|
hr = DoGlobalEnumeration();
|
|
|
|
if ((hr == HRESULT_FROM_WIN32(ERROR_ACCESS_DENIED))
|
|
|| (hr == HRESULT_FROM_WIN32(NERR_InvalidComputer))
|
|
|| (hr == HRESULT_FROM_WIN32(NERR_UserNotFound))
|
|
|| (hr == E_FAIL)) {
|
|
hr = S_OK;
|
|
_dwGlobalTotal = 0;
|
|
}
|
|
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
hr = DoLocalEnumeration();
|
|
|
|
} else {
|
|
hr = E_FAIL;
|
|
}
|
|
error:
|
|
_dwTotal = _dwGlobalTotal + _dwLocalTotal;
|
|
RRETURN(hr);
|
|
}
|
|
|
|
HRESULT
|
|
CWinNTUserGroupsCollectionEnum::DoGlobalEnumeration()
|
|
{
|
|
HRESULT hr;
|
|
DWORD dwStatus;
|
|
DWORD dwRead = 0;
|
|
WCHAR szServer[MAX_PATH];
|
|
LPGROUP_USERS_INFO_0 pGroupUserInfo = NULL;
|
|
GROUP_INFO_2 *pGroupInfo2 = NULL;
|
|
NET_API_STATUS nasStatus;
|
|
|
|
MakeUncName(_ServerName, szServer);
|
|
dwStatus = NetUserGetGroups(szServer,
|
|
_UserName,
|
|
0,
|
|
(LPBYTE*)&_pGlobalBuffer,
|
|
MAX_PREFERRED_LENGTH,
|
|
&dwRead,
|
|
&_dwGlobalTotal);
|
|
hr = HRESULT_FROM_WIN32(dwStatus);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
if (dwRead != _dwGlobalTotal)
|
|
hr = E_FAIL;
|
|
|
|
if (dwRead == 1) {
|
|
//
|
|
// Check if it is the none group - dont want that
|
|
//
|
|
pGroupUserInfo = (LPGROUP_USERS_INFO_0)_pGlobalBuffer;
|
|
if ( pGroupUserInfo->grui0_name && (FALSE == _fIsDomainController) &&
|
|
(1 == _dwGlobalTotal) ) {
|
|
// check if this the none group. Only non-DCs will return this group.
|
|
|
|
nasStatus = NetGroupGetInfo(
|
|
szServer,
|
|
pGroupUserInfo->grui0_name,
|
|
2,
|
|
(LPBYTE *) &pGroupInfo2
|
|
);
|
|
hr = HRESULT_FROM_WIN32(nasStatus);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
if (pGroupInfo2->grpi2_group_id == DOMAIN_GROUP_RID_USERS) {
|
|
|
|
//
|
|
// Set the global total to zero - destructor will dealloc.
|
|
//
|
|
_dwGlobalTotal = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
error:
|
|
if(pGroupInfo2)
|
|
NetApiBufferFree(pGroupInfo2);
|
|
|
|
RRETURN(hr);
|
|
}
|
|
|
|
HRESULT
|
|
CWinNTUserGroupsCollectionEnum::DoLocalEnumeration()
|
|
{
|
|
HRESULT hr;
|
|
DWORD dwStatus;
|
|
DWORD dwRead = 0;
|
|
WCHAR szServer[MAX_PATH];
|
|
|
|
MakeUncName(_ServerName, szServer);
|
|
dwStatus = NetUserGetLocalGroups(szServer,
|
|
_UserName,
|
|
0,
|
|
0,
|
|
(LPBYTE*)&_pLocalBuffer,
|
|
MAX_PREFERRED_LENGTH,
|
|
&dwRead,
|
|
&_dwLocalTotal);
|
|
hr = HRESULT_FROM_WIN32(dwStatus);
|
|
BAIL_ON_FAILURE(hr);
|
|
|
|
if (dwRead != _dwLocalTotal)
|
|
hr = E_FAIL;
|
|
|
|
error:
|
|
RRETURN(hr);
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: CWinNTUserGroupsCollectionEnum::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.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
STDMETHODIMP
|
|
CWinNTUserGroupsCollectionEnum::Next(
|
|
ULONG cElements,
|
|
VARIANT FAR* pvar,
|
|
ULONG FAR* pcElementFetched
|
|
)
|
|
{
|
|
ULONG cElementFetched = 0;
|
|
HRESULT hr = S_OK;
|
|
|
|
hr = EnumUserGroups(
|
|
cElements,
|
|
pvar,
|
|
&cElementFetched
|
|
);
|
|
|
|
if (pcElementFetched) {
|
|
*pcElementFetched = cElementFetched;
|
|
}
|
|
RRETURN_EXP_IF_ERR(hr);
|
|
}
|
|
|
|
STDMETHODIMP
|
|
CWinNTUserGroupsCollectionEnum::Skip(ULONG cElements)
|
|
{
|
|
//
|
|
// Note: we better not wrap around when we add!
|
|
//
|
|
|
|
_dwCurrent += cElements;
|
|
_dwCurrent = min(_dwTotal, _dwCurrent);
|
|
|
|
if (_dwCurrent < _dwTotal)
|
|
return S_OK;
|
|
return S_FALSE;
|
|
}
|
|
|
|
STDMETHODIMP
|
|
CWinNTUserGroupsCollectionEnum::Reset()
|
|
{
|
|
_dwCurrent = 0;
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT
|
|
CWinNTUserGroupsCollectionEnum::EnumUserGroups(
|
|
ULONG cElements,
|
|
VARIANT FAR* pvar,
|
|
ULONG FAR* pcElementFetched
|
|
)
|
|
{
|
|
HRESULT hr = S_FALSE;
|
|
IDispatch *pDispatch = NULL;
|
|
DWORD i = 0;
|
|
|
|
while (i < cElements) {
|
|
|
|
hr = GetNextUserGroup(&pDispatch);
|
|
if (hr == S_FALSE) {
|
|
break;
|
|
}
|
|
|
|
VariantInit(&pvar[i]);
|
|
pvar[i].vt = VT_DISPATCH;
|
|
pvar[i].pdispVal = pDispatch;
|
|
(*pcElementFetched)++;
|
|
i++;
|
|
}
|
|
RRETURN(hr);
|
|
}
|
|
|
|
HRESULT
|
|
CWinNTUserGroupsCollectionEnum::GetNextUserGroup(
|
|
IDispatch ** ppDispatch
|
|
)
|
|
{
|
|
HRESULT hr;
|
|
LPGROUP_USERS_INFO_0 lpInfo;
|
|
LPWSTR GroupName;
|
|
ULONG GroupType;
|
|
|
|
if (_dwCurrent >= _dwTotal)
|
|
return S_FALSE;
|
|
|
|
if (_dwCurrent < _dwGlobalTotal) {
|
|
lpInfo = (LPGROUP_USERS_INFO_0)_pGlobalBuffer + _dwCurrent;
|
|
GroupType = WINNT_GROUP_GLOBAL;
|
|
} else {
|
|
lpInfo = (LPGROUP_USERS_INFO_0)_pLocalBuffer + _dwCurrent -
|
|
_dwGlobalTotal;
|
|
GroupType = WINNT_GROUP_LOCAL;
|
|
}
|
|
|
|
_dwCurrent++;
|
|
|
|
GroupName = lpInfo->grui0_name;
|
|
|
|
//
|
|
// On an error, should we try to keep going?
|
|
//
|
|
|
|
if (GroupType == WINNT_GROUP_GLOBAL) {
|
|
hr = CWinNTGroup::CreateGroup(_ParentADsPath,
|
|
_ParentType,
|
|
_DomainName,
|
|
_ServerName,
|
|
GroupName,
|
|
GroupType,
|
|
ADS_OBJECT_BOUND,
|
|
IID_IDispatch,
|
|
_Credentials,
|
|
(void **)ppDispatch
|
|
);
|
|
}
|
|
else {
|
|
hr = CWinNTGroup::CreateGroup(_ParentADsPath,
|
|
_ParentType,
|
|
_DomainName,
|
|
_ServerName,
|
|
GroupName,
|
|
GroupType,
|
|
ADS_OBJECT_BOUND,
|
|
IID_IDispatch,
|
|
_Credentials,
|
|
(void **)ppDispatch
|
|
);
|
|
}
|
|
if (FAILED(hr))
|
|
return S_FALSE;
|
|
return S_OK;
|
|
}
|