Leaked source code of windows server 2003
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//---------------------------------------------------------------------------DSI
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1995
//
// File: csess.cxx
//
// Contents: Contains methods for the following objects
// CWinNTSession, CWinNTSessionGeneralInfo
//
//
// History: 02/08/96 ramv (Ram Viswanathan) Created.
//
//----------------------------------------------------------------------------
#include "winnt.hxx"
#pragma hdrstop
#define INITGUID
DECLARE_INFOLEVEL( Session );
DECLARE_DEBUG( Session );
#define SessionDebugOut(x) SessionInlineDebugOut x
DEFINE_IDispatch_ExtMgr_Implementation(CWinNTSession);
DEFINE_IADsExtension_ExtMgr_Implementation(CWinNTSession);
DEFINE_IADs_TempImplementation(CWinNTSession);
DEFINE_IADs_PutGetImplementation(CWinNTSession, SessionClass,gdwSessionTableSize);
DEFINE_IADsPropertyList_Implementation(CWinNTSession, SessionClass,gdwSessionTableSize)
CWinNTSession::CWinNTSession()
{
_pDispMgr = NULL;
_pExtMgr = NULL;
_pszServerName = NULL;
_pszComputerName = NULL;
_pszUserName = NULL;
_pPropertyCache = NULL;
ENLIST_TRACKING(CWinNTSession);
return;
}
CWinNTSession::~CWinNTSession()
{
delete _pExtMgr; // created last, destroyed first
delete _pDispMgr;
if(_pszServerName){
FreeADsStr(_pszServerName);
}
if(_pszServerADsPath){
FreeADsStr(_pszServerADsPath);
}
if(_pszComputerName){
FreeADsStr(_pszComputerName);
}
if(_pszUserName){
FreeADsStr(_pszUserName);
}
delete _pPropertyCache;
return;
}
//+---------------------------------------------------------------------------
//
// Function: CWinNTSession::Create
//
// Synopsis: Static function used to create a Session object. This
// will be called by EnumSessions::Next
//
// Arguments: [ppWinNTSession] -- Ptr to a ptr to a new Session object.
//
// Returns: HRESULT.
//
// Modifies:
//
// History: 12-11-95 RamV Created.
//
//----------------------------------------------------------------------------
HRESULT
CWinNTSession::Create(LPTSTR pszServerADsPath,
LPTSTR pszClientName,
LPTSTR pszUserName,
DWORD dwObject,
REFIID riid,
CWinNTCredentials& Credentials,
LPVOID * ppvoid
)
{
CWinNTSession FAR * pCWinNTSession = NULL;
HRESULT hr;
TCHAR szSessionName[MAX_PATH];
//
// Create the Session Object
//
hr = AllocateSessionObject(pszServerADsPath,
pszClientName,
pszUserName,
&pCWinNTSession);
BAIL_IF_ERROR(hr);
ADsAssert(pCWinNTSession->_pDispMgr);
wcscpy(szSessionName, pszUserName);
wcscat(szSessionName, TEXT("\\"));
wcscat(szSessionName, pszClientName);
hr = pCWinNTSession->InitializeCoreObject(pszServerADsPath,
szSessionName,
SESSION_CLASS_NAME,
SESSION_SCHEMA_NAME,
CLSID_WinNTSession,
dwObject);
BAIL_IF_ERROR(hr);
pCWinNTSession->_Credentials = Credentials;
hr = pCWinNTSession->_Credentials.RefServer(
pCWinNTSession->_pszServerName);
BAIL_IF_ERROR(hr);
if( pszUserName && *pszUserName ) {
hr = SetLPTSTRPropertyInCache(pCWinNTSession->_pPropertyCache,
TEXT("User"),
pszUserName,
TRUE
);
BAIL_IF_ERROR(hr);
}
hr = SetLPTSTRPropertyInCache(pCWinNTSession->_pPropertyCache,
TEXT("Computer"),
pCWinNTSession->_pszComputerName,
TRUE
);
BAIL_IF_ERROR(hr);
//
// Load ext mgr and extensions
//
hr = ADSILoadExtensionManager(
SESSION_CLASS_NAME,
(IADs *) pCWinNTSession,
pCWinNTSession->_pDispMgr,
Credentials,
&pCWinNTSession->_pExtMgr
);
BAIL_IF_ERROR(hr);
ADsAssert(pCWinNTSession->_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.
//
// Session objects have "" as their ADsPath. Just set the class for
// identification purposes.
pCWinNTSession->_CompClasses[0] = L"Session";
hr = pCWinNTSession->InitUmiObject(
pCWinNTSession->_Credentials,
SessionClass,
gdwSessionTableSize,
pCWinNTSession->_pPropertyCache,
(IUnknown *)(INonDelegatingUnknown *) pCWinNTSession,
pCWinNTSession->_pExtMgr,
IID_IUnknown,
ppvoid
);
BAIL_IF_ERROR(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 = pCWinNTSession->QueryInterface(riid,
(void **)ppvoid);
BAIL_IF_ERROR(hr);
pCWinNTSession->Release();
cleanup:
if(SUCCEEDED(hr)){
RRETURN(hr);
}
delete pCWinNTSession;
RRETURN_EXP_IF_ERR(hr);
}
HRESULT
CWinNTSession::AllocateSessionObject(LPTSTR pszServerADsPath,
LPTSTR pszClientName,
LPTSTR pszUserName,
CWinNTSession ** ppSession
)
{
CWinNTSession FAR * pCWinNTSession = NULL;
HRESULT hr = S_OK;
POBJECTINFO pServerObjectInfo = NULL;
pCWinNTSession = new CWinNTSession();
if (pCWinNTSession == NULL) {
hr = E_OUTOFMEMORY;
goto cleanup;
}
pCWinNTSession->_pDispMgr = new CAggregatorDispMgr;
if (pCWinNTSession->_pDispMgr == NULL) {
hr = E_OUTOFMEMORY;
goto cleanup;
}
hr = LoadTypeInfoEntry(pCWinNTSession->_pDispMgr,
LIBID_ADs,
IID_IADsSession,
(IADsSession *)pCWinNTSession,
DISPID_REGULAR);
BAIL_IF_ERROR(hr);
pCWinNTSession->_pszServerADsPath
= AllocADsStr(pszServerADsPath);
if(!pCWinNTSession->_pszServerADsPath){
hr = E_OUTOFMEMORY;
goto cleanup;
}
hr = BuildObjectInfo(pszServerADsPath,
&pServerObjectInfo);
BAIL_IF_ERROR(hr);
pCWinNTSession->_pszServerName =
AllocADsStr(pServerObjectInfo->ComponentArray[1]);
if(!pCWinNTSession->_pszServerADsPath){
hr = E_OUTOFMEMORY;
goto cleanup;
}
if(pszClientName){
pCWinNTSession->_pszComputerName = AllocADsStr(pszClientName);
if(!pCWinNTSession->_pszComputerName){
hr = E_OUTOFMEMORY;
goto cleanup;
}
}
if(pszUserName){
pCWinNTSession->_pszUserName = AllocADsStr(pszUserName);
if(!pCWinNTSession->_pszUserName){
hr = E_OUTOFMEMORY;
goto cleanup;
}
}
hr = CPropertyCache::createpropertycache(
SessionClass,
gdwSessionTableSize,
(CCoreADsObject *)pCWinNTSession,
&(pCWinNTSession->_pPropertyCache)
);
BAIL_IF_ERROR(hr);
(pCWinNTSession->_pDispMgr)->RegisterPropertyCache(
pCWinNTSession->_pPropertyCache
);
*ppSession = pCWinNTSession;
cleanup:
if(pServerObjectInfo){
FreeObjectInfo(pServerObjectInfo);
}
if (!SUCCEEDED(hr)) {
//
// 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 pCWinNTSession;
}
RRETURN(hr);
}
/* IUnknown methods for session 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 CWinNTSession::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) CWinNTSession::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) CWinNTSession::Release(void)
{
if(_pUnkOuter != NULL)
RRETURN(_pUnkOuter->Release());
RRETURN(NonDelegatingRelease());
}
//----------------------------------------------------------------------------
STDMETHODIMP
CWinNTSession::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_IADs))
{
*ppvObj = (IADs FAR *) this;
}
else if (IsEqualIID(riid, IID_IADsPropertyList))
{
*ppvObj = (IADsPropertyList FAR *) this;
}
else if (IsEqualIID(riid, IID_IADsSession))
{
*ppvObj = (IADsSession 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
CWinNTSession::InterfaceSupportsErrorInfo(
THIS_ REFIID riid
)
{
if (IsEqualIID(riid, IID_IADs) ||
IsEqualIID(riid, IID_IADsSession) ||
IsEqualIID(riid, IID_IADsPropertyList)) {
RRETURN(S_OK);
} else {
RRETURN(S_FALSE);
}
}
/* IADs methods */
//+-----------------------------------------------------------------
//
// Function: SetInfo
//
// Synopsis: SetInfo on actual session
//
// Arguments: void
//
// Returns: HRESULT.
//
// Modifies:
//
// History: 02/08/96 RamV Created
//----------------------------------------------------------------------------
STDMETHODIMP
CWinNTSession::SetInfo(THIS)
{
RRETURN_EXP_IF_ERR(E_NOTIMPL);
}
STDMETHODIMP
CWinNTSession::GetInfo(THIS_ DWORD dwApiLevel, BOOL fExplicit)
{
HRESULT hr;
hr = GetLevel_1_Info(fExplicit);
RRETURN_EXP_IF_ERR(hr);
}
STDMETHODIMP
CWinNTSession::GetInfo(THIS)
{
_pPropertyCache->flushpropcache();
RRETURN(GetInfo(1, TRUE));
}
STDMETHODIMP
CWinNTSession::ImplicitGetInfo(THIS)
{
RRETURN(GetInfo(1, FALSE));
}
//
// helper functions for GetInfo
//
STDMETHODIMP
CWinNTSession::GetLevel_1_Info(THIS_ BOOL fExplicit)
{
NET_API_STATUS nasStatus;
LPSESSION_INFO_1 lpSessionInfo =NULL;
HRESULT hr;
TCHAR szUncServerName[MAX_PATH];
TCHAR szUncClientName[MAX_PATH];
//
// Level 1 info
//
hr = MakeUncName(_pszServerName, szUncServerName);
BAIL_IF_ERROR(hr);
hr = MakeUncName(_pszComputerName, szUncClientName);
BAIL_IF_ERROR(hr);
nasStatus = NetSessionGetInfo(szUncServerName,
szUncClientName,
_pszUserName,
1,
(LPBYTE *)&lpSessionInfo);
if (nasStatus != NERR_Success || !lpSessionInfo){
hr = HRESULT_FROM_WIN32(nasStatus);
goto cleanup;
}
//
// unmarshall the info
//
ADsAssert(lpSessionInfo);
if( _pszUserName && *_pszUserName ) {
hr = SetLPTSTRPropertyInCache(_pPropertyCache,
TEXT("User"),
_pszUserName,
fExplicit
);
}
hr = SetLPTSTRPropertyInCache(_pPropertyCache,
TEXT("Computer"),
_pszComputerName,
fExplicit
);
hr = SetDWORDPropertyInCache(_pPropertyCache,
TEXT("ConnectTime"),
lpSessionInfo->sesi1_time,
fExplicit
);
hr = SetDWORDPropertyInCache(_pPropertyCache,
TEXT("IdleTime"),
lpSessionInfo->sesi1_idle_time,
fExplicit
);
hr = SetLPTSTRPropertyInCache(
_pPropertyCache,
TEXT("Name"),
_Name,
fExplicit
);
hr = S_OK;
cleanup:
if(lpSessionInfo)
NetApiBufferFree(lpSessionInfo);
RRETURN(hr);
}
STDMETHODIMP
CWinNTSession::get_User(THIS_ BSTR FAR* retval)
{
HRESULT hr;
//
// UserName is set once and never modified,
//
if(!retval){
RRETURN_EXP_IF_ERR(E_ADS_BAD_PARAMETER);
}
hr = ADsAllocString(_pszUserName, retval);
RRETURN_EXP_IF_ERR(hr);
}
STDMETHODIMP
CWinNTSession::get_UserPath(THIS_ BSTR FAR* retval)
{
RRETURN_EXP_IF_ERR(E_ADS_PROPERTY_NOT_SUPPORTED);
}
STDMETHODIMP
CWinNTSession::get_Computer(THIS_ BSTR FAR* retval)
{
HRESULT hr;
//
// Computer name is set once and never modified,
//
if(!retval){
RRETURN_EXP_IF_ERR(E_ADS_BAD_PARAMETER);
}
hr = ADsAllocString(_pszComputerName, retval);
RRETURN_EXP_IF_ERR(hr);
}
STDMETHODIMP
CWinNTSession::get_ComputerPath(THIS_ BSTR FAR* retval)
{
RRETURN_EXP_IF_ERR(E_ADS_PROPERTY_NOT_SUPPORTED);
}
STDMETHODIMP
CWinNTSession::get_ConnectTime(THIS_ LONG FAR* retval)
{
GET_PROPERTY_LONG((IADsSession *)this, ConnectTime);
}
STDMETHODIMP
CWinNTSession::get_IdleTime(THIS_ LONG FAR* retval)
{
GET_PROPERTY_LONG((IADsSession *)this, IdleTime);
}