void CAdminPageThreadWnd::TranslateEvent(WPARAM wParam)
{
// Reinterpret the message parameter
IStreamPtr spStm(reinterpret_cast<IStream*>(wParam), false);
// Rewind the specified stream
LARGE_INTEGER li = {0};
VERIFY(SUCCEEDED(spStm->Seek(li, STREAM_SEEK_SET, NULL)));
// Persist the event from the specified stream
VERIFY(SUCCEEDED(m_spEventPersist->Load(spStm)));
}
STDMETHODIMP CAdminSessionClass::CreateSession(IAdminSessionHost* pHost,
IAdminSession** ppSession)
{
// pHost must be valid
if (!pHost)
return E_INVALIDARG;
// Create a decoy cookie based on the current FILETIME
FILETIME ft;
GetSystemTimeAsFileTime(&ft);
// Get the IUnknown from the admin session host
IUnknownPtr spUnk;
HRESULT hr = pHost->GetIdentity(ft.dwLowDateTime, &spUnk);
if (hr != (ft.dwLowDateTime & 0x7FFFFFFF))
return E_INVALIDARG;
// IUnknown must support IStream
IStreamPtr spStm(spUnk);
if (NULL == spStm)
return E_INVALIDARG;
// Create a decoded copy of the specified stream
IStreamPtr spStmOut;
RETURN_FAILED(CAdminSessionSecure<
&CLSID_AdminInterfaces>::CreateDecryptedStream(spStm, &spStmOut));
// Rewind the decoded stream
LARGE_INTEGER li = { 0 };
RETURN_FAILED(spStmOut->Seek(li, STREAM_SEEK_SET, NULL));
// Create a version info object for the host
IAGCVersionInfoPtr spVersionHost;
RETURN_FAILED(spVersionHost.CreateInstance(CLSID_AGCVersionInfo));
// Initialize the version info object from the decoded stream
IPersistStreamPtr spPersist(spVersionHost);
if (NULL == spPersist)
return E_UNEXPECTED;
RETURN_FAILED(spPersist->Load(spStmOut));
// Create a version info object for this module
IAGCVersionInfoPtr spVersion;
RETURN_FAILED(spVersion.CreateInstance(CLSID_AGCVersionInfo));
RETURN_FAILED(spVersion->put_FileName(NULL));
// Compare exactly for several fields of the version info object
// CompanyName
{
CComBSTR bstr, bstrHost;
RETURN_FAILED(spVersion->get_CompanyName(&bstr));
RETURN_FAILED(spVersionHost->get_CompanyName(&bstrHost));
if (!IsEqualBSTR(bstr, bstrHost))
return E_INVALIDARG;
}
// LegalCopyright
{
CComBSTR bstr, bstrHost;
RETURN_FAILED(spVersion->get_LegalCopyright(&bstr));
RETURN_FAILED(spVersionHost->get_LegalCopyright(&bstrHost));
if (!IsEqualBSTR(bstr, bstrHost))
return E_INVALIDARG;
}
// Now, we can FINALLY create the sesion by calling the base class
return CComClassFactory::CreateInstance(NULL, IID_IAdminSession,
(void**)ppSession);
}
