Source code of Windows XP (NT5)
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//---------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1996
//
// File: cfpnwfsh.cxx
//
// Contents: Contains methods for the following objects
// CFPNWFileShare, CFPNWFileShareGeneralInfo
//
//
// History: 02/15/96 ramv (Ram Viswanathan) Created.
//
//----------------------------------------------------------------------------
#include "winnt.hxx"
#pragma hdrstop
#define INITGUID
#if DBG
DECLARE_INFOLEVEL(FPNWFileShare );
DECLARE_DEBUG( FPNWFileShare);
#define FPNWFileShareDebugOut(x) FPNWFileShareInlineDebugOut x
#endif
DEFINE_IDispatch_ExtMgr_Implementation(CFPNWFileShare);
DEFINE_IADsExtension_ExtMgr_Implementation(CFPNWFileShare);
DEFINE_IADs_TempImplementation(CFPNWFileShare);
DEFINE_IADs_PutGetImplementation(CFPNWFileShare,FPNWFileShareClass,gdwFPNWFileShareTableSize);
DEFINE_IADsPropertyList_Implementation(CFPNWFileShare, FPNWFileShareClass,gdwFPNWFileShareTableSize);
CFPNWFileShare::CFPNWFileShare()
{
_pDispMgr = NULL;
_pExtMgr = NULL;
ENLIST_TRACKING(CFPNWFileShare);
_pszShareName = NULL;
_pPropertyCache = NULL;
return;
}
CFPNWFileShare::~CFPNWFileShare()
{
delete _pExtMgr; // created last, destroyed first
delete _pDispMgr;
if(_pszShareName){
FreeADsStr(_pszShareName);
}
if(_pszServerName){
FreeADsStr(_pszServerName);
}
delete _pPropertyCache;
return;
}
//+---------------------------------------------------------------------------
//
// Function: CFPNWFileShare::Create
//
// Synopsis: Static function used to create a FileShare object. This
// will be called by EnumFileShares::Next
//
// Arguments: [ppFPNWFileShare] -- Ptr to a ptr to a new FileShare object.
//
// Returns: HRESULT.
//
// Modifies:
//
// History: 12-11-95 RamV Created.
//
//----------------------------------------------------------------------------
HRESULT
CFPNWFileShare::Create(LPTSTR pszADsParent,
LPTSTR pszServerName,
LPTSTR pszServiceName,
LPTSTR pszShareName,
DWORD dwObject,
REFIID riid,
CWinNTCredentials& Credentials,
LPVOID * ppvoid
)
{
CFPNWFileShare FAR * pCFPNWFileShare = NULL;
HRESULT hr;
//
// Create the FileShare Object
//
hr = AllocateFileShareObject(pszADsParent,
pszServerName,
pszServiceName,
pszShareName,
&pCFPNWFileShare );
BAIL_ON_FAILURE(hr);
ADsAssert(pCFPNWFileShare->_pDispMgr);
hr = pCFPNWFileShare->InitializeCoreObject(pszADsParent,
pszShareName,
FILESHARE_CLASS_NAME,
FPNW_FILESHARE_SCHEMA_NAME,
CLSID_FPNWFileShare,
dwObject);
BAIL_ON_FAILURE(hr);
pCFPNWFileShare->_Credentials = Credentials;
hr = pCFPNWFileShare->_Credentials.RefServer(pszServerName);
BAIL_ON_FAILURE(hr);
//
// Load ext mgr and extensions
//
hr = ADSILoadExtensionManager(
FILESHARE_CLASS_NAME,
(IADs *) pCFPNWFileShare,
pCFPNWFileShare->_pDispMgr,
Credentials,
&pCFPNWFileShare->_pExtMgr
);
BAIL_ON_FAILURE(hr);
ADsAssert(pCFPNWFileShare->_pExtMgr);
// check if the call is from UMI
if(Credentials.GetFlags() & ADS_AUTH_RESERVED) {
//
// we do not pass riid to InitUmiObject below. This is because UMI object
// does not support IDispatch. There are several places in ADSI code where
// riid passed into this function is defaulted to IID_IDispatch -
// IADsContainer::Create for example. To handle these cases, we always
// request IID_IUnknown from the UMI object. Subsequent code within UMI
// will QI for the appropriate interface.
//
if(4 == pCFPNWFileShare->_dwNumComponents) {
pCFPNWFileShare->_CompClasses[0] = L"Domain";
pCFPNWFileShare->_CompClasses[1] = L"Computer";
pCFPNWFileShare->_CompClasses[2] = L"FileService";
pCFPNWFileShare->_CompClasses[3] = L"FileShare";
}
else if(3 == pCFPNWFileShare->_dwNumComponents) {
pCFPNWFileShare->_CompClasses[0] = L"Computer";
pCFPNWFileShare->_CompClasses[1] = L"FileService";
pCFPNWFileShare->_CompClasses[2] = L"FileShare";
}
else
BAIL_ON_FAILURE(hr = UMI_E_FAIL);
hr = pCFPNWFileShare->InitUmiObject(
pCFPNWFileShare->_Credentials,
FPNWFileShareClass,
gdwFPNWFileShareTableSize,
pCFPNWFileShare->_pPropertyCache,
(IUnknown *) (INonDelegatingUnknown *) pCFPNWFileShare,
pCFPNWFileShare->_pExtMgr,
IID_IUnknown,
ppvoid
);
BAIL_ON_FAILURE(hr);
//
// UMI object was created and the interface was obtained successfully.
// UMI object now has a reference to the inner unknown of IADs, since
// the call to Release() below is not going to be made in this case.
//
RRETURN(hr);
}
hr = pCFPNWFileShare->QueryInterface(riid, (void **)ppvoid);
BAIL_ON_FAILURE(hr);
pCFPNWFileShare->Release();
RRETURN(hr);
error:
delete pCFPNWFileShare;
RRETURN_EXP_IF_ERR (hr);
}
HRESULT
CFPNWFileShare::AllocateFileShareObject(LPTSTR pszADsParent,
LPTSTR pszServerName,
LPTSTR pszServiceName,
LPTSTR pszShareName,
CFPNWFileShare ** ppFileShare
)
{
CFPNWFileShare * pCFPNWFileShare = NULL;
HRESULT hr;
//
// Create the FileShare Object
//
pCFPNWFileShare = new CFPNWFileShare();
if (pCFPNWFileShare == NULL) {
hr = E_OUTOFMEMORY;
goto error;
}
pCFPNWFileShare->_pDispMgr = new CAggregatorDispMgr;
if(pCFPNWFileShare ->_pDispMgr == NULL){
hr = E_OUTOFMEMORY;
goto error;
}
hr = LoadTypeInfoEntry(pCFPNWFileShare->_pDispMgr,
LIBID_ADs,
IID_IADsFileShare,
(IADsFileShare *)pCFPNWFileShare,
DISPID_REGULAR );
BAIL_ON_FAILURE(hr);
hr = LoadTypeInfoEntry(pCFPNWFileShare->_pDispMgr,
LIBID_ADs,
IID_IADsPropertyList,
(IADsPropertyList *)pCFPNWFileShare,
DISPID_VALUE );
BAIL_ON_FAILURE(hr);
pCFPNWFileShare->_pszServerName =
AllocADsStr(pszServerName);
if(!(pCFPNWFileShare->_pszServerName)){
hr = E_OUTOFMEMORY;
goto error;
}
pCFPNWFileShare->_pszShareName =
AllocADsStr(pszShareName);
if(!(pCFPNWFileShare->_pszShareName)){
hr = E_OUTOFMEMORY;
goto error;
}
hr = CPropertyCache::createpropertycache(
FPNWFileShareClass,
gdwFPNWFileShareTableSize,
(CCoreADsObject *)pCFPNWFileShare,
&(pCFPNWFileShare ->_pPropertyCache)
);
pCFPNWFileShare->_pDispMgr->RegisterPropertyCache(
pCFPNWFileShare->_pPropertyCache
);
*ppFileShare = pCFPNWFileShare;
RRETURN(hr);
error:
//
// direct memeber assignement assignement at pt of creation, so
// do NOT delete _pPropertyCache or _pDisMgr here to avoid attempt
// of deletion again in pPrintJob destructor and AV
//
delete pCFPNWFileShare;
RRETURN_EXP_IF_ERR(hr);
}
/* IUnknown methods for FileShare object */
//----------------------------------------------------------------------------
// Function: QueryInterface
//
// Synopsis: If this object is aggregated within another object, then
// all calls will delegate to the outer object. Otherwise, the
// non-delegating QI is called
//
// Arguments:
//
// iid interface requested
// ppInterface Returns pointer to interface requested. NULL if interface
// is not supported.
//
// Returns: S_OK on success. Error code otherwise.
//
// Modifies: *ppInterface to return interface pointer
//
//----------------------------------------------------------------------------
STDMETHODIMP CFPNWFileShare::QueryInterface(
REFIID iid,
LPVOID *ppInterface
)
{
if(_pUnkOuter != NULL)
RRETURN(_pUnkOuter->QueryInterface(
iid,
ppInterface
));
RRETURN(NonDelegatingQueryInterface(
iid,
ppInterface
));
}
//----------------------------------------------------------------------------
// Function: AddRef
//
// Synopsis: IUnknown::AddRef. If this object is aggregated within
// another, all calls will delegate to the outer object.
// Otherwise, the non-delegating AddRef is called
//
// Arguments:
//
// None
//
// Returns: New reference count
//
// Modifies: Nothing
//
//----------------------------------------------------------------------------
STDMETHODIMP_(ULONG) CFPNWFileShare::AddRef(void)
{
if(_pUnkOuter != NULL)
RRETURN(_pUnkOuter->AddRef());
RRETURN(NonDelegatingAddRef());
}
//----------------------------------------------------------------------------
// Function: Release
//
// Synopsis: IUnknown::Release. If this object is aggregated within
// another, all calls will delegate to the outer object.
// Otherwise, the non-delegating Release is called
//
// Arguments:
//
// None
//
// Returns: New reference count
//
// Modifies: Nothing
//
//----------------------------------------------------------------------------
STDMETHODIMP_(ULONG) CFPNWFileShare::Release(void)
{
if(_pUnkOuter != NULL)
RRETURN(_pUnkOuter->Release());
RRETURN(NonDelegatingRelease());
}
//----------------------------------------------------------------------------
STDMETHODIMP
CFPNWFileShare::NonDelegatingQueryInterface(REFIID riid, LPVOID FAR* ppvObj)
{
HRESULT hr = S_OK;
if(!ppvObj){
RRETURN(E_POINTER);
}
if (IsEqualIID(riid, IID_IUnknown))
{
*ppvObj = (IADs *) this;
}
else if (IsEqualIID(riid, IID_IDispatch))
{
*ppvObj = (IADs *)this;
}
else if (IsEqualIID(riid, IID_ISupportErrorInfo))
{
*ppvObj = (ISupportErrorInfo FAR *) this;
}
else if (IsEqualIID(riid, IID_IADsPropertyList))
{
*ppvObj = (IADsPropertyList *)this;
}
else if (IsEqualIID(riid, IID_IADs))
{
*ppvObj = (IADs FAR *) this;
}
else if (IsEqualIID(riid, IID_IADsFileShare))
{
*ppvObj = (IADsFileShare FAR *) this;
}
else if( (_pDispatch != NULL) &&
IsEqualIID(riid, IID_IADsExtension) )
{
*ppvObj = (IADsExtension *) this;
}
else if (_pExtMgr)
{
RRETURN( _pExtMgr->QueryInterface(riid, ppvObj));
}
else
{
*ppvObj = NULL;
RRETURN(E_NOINTERFACE);
}
((LPUNKNOWN)*ppvObj)->AddRef();
RRETURN(S_OK);
}
/* ISupportErrorInfo method */
STDMETHODIMP
CFPNWFileShare::InterfaceSupportsErrorInfo(
THIS_ REFIID riid
)
{
if (IsEqualIID(riid, IID_IADs) ||
IsEqualIID(riid, IID_IADsFileShare) ||
IsEqualIID(riid, IID_IADsPropertyList)) {
RRETURN(S_OK);
} else {
RRETURN(S_FALSE);
}
}
//+-----------------------------------------------------------------
//
// Function: SetInfo
//
// Synopsis: SetInfo on actual Volume
//
// Arguments: void
//
// Returns: HRESULT.
//
// Modifies:
//
// History: 02/08/96 RamV Created
//----------------------------------------------------------------------------
STDMETHODIMP
CFPNWFileShare::SetInfo(THIS)
{
PNWVOLUMEINFO pVolumeInfo = NULL;
HRESULT hr = S_OK;
DWORD dwErrorCode;
if (GetObjectState() == ADS_OBJECT_UNBOUND) {
hr = FPNWAddFileShare();
BAIL_IF_ERROR(hr);
SetObjectState(ADS_OBJECT_BOUND);
}
//
// First get the information and modify only those fields which
// have been changed by user
//
dwErrorCode = ADsNwVolumeGetInfo(_pszServerName,
_pszShareName,
1,
&pVolumeInfo);
hr = HRESULT_FROM_WIN32(dwErrorCode);
BAIL_IF_ERROR(hr);
hr = MarshallAndSet(pVolumeInfo);
BAIL_IF_ERROR(hr);
if(SUCCEEDED(hr))
_pPropertyCache->ClearModifiedFlags();
cleanup:
if(pVolumeInfo){
ADsNwApiBufferFree(pVolumeInfo);
}
RRETURN_EXP_IF_ERR(hr);
}
STDMETHODIMP
CFPNWFileShare::GetInfo(THIS_ DWORD dwApiLevel, BOOL fExplicit)
{
HRESULT hr = S_OK;
DWORD dwErrorCode;
PNWVOLUMEINFO pVolumeInfo = NULL;
TCHAR szComputerPath[MAX_PATH];
POBJECTINFO pObjectInfo = NULL;
//
// only level 1 is valid. This function is not exported so we
// assert if not valid
//
ADsAssert(dwApiLevel == 1);
dwErrorCode = ADsNwVolumeGetInfo(_pszServerName,
_pszShareName,
1,
&pVolumeInfo);
hr = HRESULT_FROM_WIN32(dwErrorCode);
BAIL_IF_ERROR(hr);
//
// unmarshall the information
//
hr = BuildObjectInfo(_Parent, &pObjectInfo);
BAIL_IF_ERROR(hr);
hr = BuildComputerFromObjectInfo(pObjectInfo,
szComputerPath);
BAIL_IF_ERROR(hr);
hr = SetLPTSTRPropertyInCache(_pPropertyCache,
TEXT("HostComputer"),
szComputerPath,
fExplicit
);
hr = SetLPTSTRPropertyInCache(_pPropertyCache,
TEXT("Path"),
pVolumeInfo->lpPath,
fExplicit
);
hr = SetDWORDPropertyInCache(_pPropertyCache,
TEXT("CurrentUserCount"),
pVolumeInfo->dwCurrentUses,
fExplicit
);
hr = SetDWORDPropertyInCache(_pPropertyCache,
TEXT("MaxUserCount"),
pVolumeInfo->dwMaxUses,
fExplicit
);
hr = SetLPTSTRPropertyInCache(
_pPropertyCache,
TEXT("Name"),
_Name,
fExplicit
);
hr = S_OK;
cleanup:
if(pVolumeInfo){
ADsNwApiBufferFree(pVolumeInfo);
}
FreeObjectInfo(pObjectInfo);
RRETURN_EXP_IF_ERR(hr);
}
STDMETHODIMP
CFPNWFileShare::GetInfo(THIS)
{
_pPropertyCache->flushpropcache();
RRETURN(GetInfo(1,TRUE));
}
STDMETHODIMP
CFPNWFileShare::ImplicitGetInfo(THIS)
{
RRETURN(GetInfo(1,FALSE));
}
HRESULT
CFPNWFileShare::FPNWAddFileShare(void)
{
DWORD dwErrorCode;
NWVOLUMEINFO VolumeInfo;
DWORD dwMaxUserCount;
LPTSTR pszPath = NULL;
HRESULT hr;
//
// Fill the VolumeInfo structure
//
//
// set the file share count to be a default value (no limit)
//
VolumeInfo.dwMaxUses = (DWORD)-1;
VolumeInfo.lpVolumeName = _pszShareName;
VolumeInfo.dwType = FPNWVOL_TYPE_DISKTREE;
hr = GetLPTSTRPropertyFromCache(_pPropertyCache,
TEXT("Path"),
&pszPath);
if(SUCCEEDED(hr)){
VolumeInfo.lpPath = pszPath;
}
hr = GetDWORDPropertyFromCache(_pPropertyCache,
TEXT("MaxUserCount"),
&dwMaxUserCount);
if(SUCCEEDED(hr)){
VolumeInfo.dwMaxUses = dwMaxUserCount;
}
VolumeInfo.dwCurrentUses = 0;
dwErrorCode = ADsNwVolumeAdd(_pszServerName,
1,
&VolumeInfo);
RRETURN_EXP_IF_ERR(HRESULT_FROM_WIN32(dwErrorCode));
}
STDMETHODIMP
CFPNWFileShare::get_CurrentUserCount(THIS_ LONG FAR* retval)
{
GET_PROPERTY_LONG((IADsFileShare *)this, CurrentUserCount);
}
STDMETHODIMP
CFPNWFileShare::get_Description(THIS_ BSTR FAR* retval)
{
RRETURN_EXP_IF_ERR(E_ADS_PROPERTY_NOT_SUPPORTED);
}
STDMETHODIMP
CFPNWFileShare::put_Description(THIS_ BSTR bstrDescription)
{
RRETURN_EXP_IF_ERR(E_ADS_PROPERTY_NOT_SUPPORTED);
}
STDMETHODIMP
CFPNWFileShare::get_HostComputer(THIS_ BSTR FAR* retval)
{
HRESULT hr;
POBJECTINFO pObjectInfo = NULL;
TCHAR szComputerName[MAX_PATH];
hr = BuildObjectInfo(_Parent, &pObjectInfo);
BAIL_ON_FAILURE(hr);
hr = BuildComputerFromObjectInfo(pObjectInfo,
szComputerName);
BAIL_ON_FAILURE(hr);
hr = ADsAllocString(szComputerName, retval);
error:
FreeObjectInfo(pObjectInfo);
RRETURN_EXP_IF_ERR(hr);
}
STDMETHODIMP
CFPNWFileShare::put_HostComputer(THIS_ BSTR bstrHostComputer)
{
RRETURN_EXP_IF_ERR(E_ADS_PROPERTY_NOT_SUPPORTED);
}
STDMETHODIMP
CFPNWFileShare::get_Path(THIS_ BSTR FAR* retval)
{
GET_PROPERTY_BSTR((IADsFileShare *)this, Path);
}
STDMETHODIMP
CFPNWFileShare::put_Path(THIS_ BSTR bstrPath)
{
//
// note that path can be set only prior to creation
// of the object. It cannot be changed later.
//
if(GetObjectState() == ADS_OBJECT_UNBOUND){
PUT_PROPERTY_BSTR((IADsFileShare *)this, Path);
} else {
RRETURN_EXP_IF_ERR(E_ADS_PROPERTY_NOT_SUPPORTED);
}
}
STDMETHODIMP
CFPNWFileShare::get_MaxUserCount(THIS_ LONG FAR* retval)
{
GET_PROPERTY_LONG((IADsFileShare *)this, MaxUserCount);
}
STDMETHODIMP
CFPNWFileShare::put_MaxUserCount(THIS_ LONG lMaxUserCount)
{
PUT_PROPERTY_LONG((IADsFileShare *)this, MaxUserCount);
}
//
// Helper functions
//
HRESULT
CFPNWFileShare::MarshallAndSet(PNWVOLUMEINFO pVolumeInfo)
{
HRESULT hr = S_OK;
LPTSTR pszPath = NULL;
DWORD dwValue;
DWORD dwErrorCode;
DWORD dwParmErr;
pVolumeInfo->lpVolumeName = _pszShareName;
hr = GetLPTSTRPropertyFromCache(
_pPropertyCache,
TEXT("Path"),
&pszPath
);
if(SUCCEEDED(hr)){
pVolumeInfo->lpPath = pszPath;
}
hr = GetDWORDPropertyFromCache(_pPropertyCache,
TEXT("MaxUserCount"),
&dwValue );
if(SUCCEEDED(hr)){
pVolumeInfo->dwMaxUses = dwValue;
}
//
// you ignore earlier errors, why? because these errors were raised
// due to internal cached values being invalid.
//
hr = S_OK;
//
// Do the SetInfo now that you have all info
//
dwErrorCode = ADsNwVolumeSetInfo(_pszServerName,
_pszShareName,
1,
pVolumeInfo);
hr = HRESULT_FROM_WIN32(dwErrorCode);
BAIL_IF_ERROR(hr);
cleanup:
if(pszPath)
FreeADsStr(pszPath);
RRETURN_EXP_IF_ERR(hr);
}
//
// helper functions
//
HRESULT
FPNWDeleteFileShare(POBJECTINFO pObjectInfo)
{
HRESULT hr = S_OK;
NET_API_STATUS nasStatus;
DWORD dwErrorCode;
dwErrorCode = ADsNwVolumeDel(pObjectInfo->ComponentArray[1],
pObjectInfo->ComponentArray[3]);
RRETURN(HRESULT_FROM_WIN32(dwErrorCode));
}