SCODE GadgetProvider::CreateInstanceEnumAsync(
const BSTR className,
long flags,
IWbemContext* context,
IWbemObjectSink FAR* handler)
{
// Check credentials:
HRESULT hr = CoImpersonateClient();
if (FAILED(hr))
{
handler->SetStatus(0, hr, NULL, NULL);
return hr;
}
if (_impersonateLevel() < RPC_C_IMP_LEVEL_IMPERSONATE)
{
CoRevertToSelf();
hr = WBEM_E_ACCESS_DENIED;
handler->SetStatus(0, hr, NULL, NULL);
return hr;
}
// Check parameters:
if (!handler || !_nameSpace)
{
return WBEM_E_INVALID_PARAMETER;
}
if (_equal(className, L"Gadget"))
{
for (size_t i = 0; i < _numDefs; i++)
{
IWbemClassObject FAR* newInstance = NULL;
SCODE sc = _makeGadget(
_nameSpace,
_defs[i].key,
_defs[i].value,
&newInstance,
className,
context);
if (sc != S_OK)
{
handler->SetStatus(0,sc,NULL, NULL);
return sc;
}
handler->Indicate(1, &newInstance);
newInstance->Release();
}
}
// Set status
handler->SetStatus(0, S_OK, NULL, NULL);
return S_OK;
}
/*static*/ bool VirtualBoxSDS::i_getClientUserSid(com::Utf8Str *a_pStrSid, com::Utf8Str *a_pStrUsername)
{
bool fRet = false;
a_pStrSid->setNull();
a_pStrUsername->setNull();
CoInitializeEx(NULL, COINIT_MULTITHREADED); // is this necessary?
HRESULT hrc = CoImpersonateClient();
if (SUCCEEDED(hrc))
{
HANDLE hToken = INVALID_HANDLE_VALUE;
if (::OpenThreadToken(GetCurrentThread(), TOKEN_READ, TRUE /*OpenAsSelf*/, &hToken))
{
CoRevertToSelf();
union
{
TOKEN_USER TokenUser;
uint8_t abPadding[SECURITY_MAX_SID_SIZE + 256];
WCHAR wszUsername[UNLEN + 1];
} uBuf;
RT_ZERO(uBuf);
DWORD cbActual = 0;
if (::GetTokenInformation(hToken, TokenUser, &uBuf, sizeof(uBuf), &cbActual))
{
WCHAR *pwszString;
if (ConvertSidToStringSidW(uBuf.TokenUser.User.Sid, &pwszString))
{
try
{
*a_pStrSid = pwszString;
a_pStrSid->toUpper(); /* (just to be on the safe side) */
fRet = true;
}
catch (std::bad_alloc &)
{
LogRel(("i_GetClientUserSID: std::bad_alloc setting rstrSid.\n"));
}
LocalFree((HLOCAL)pwszString);
/*
* Get the username too. We don't care if this step fails.
*/
if (fRet)
{
WCHAR wszUsername[UNLEN * 2 + 1];
DWORD cwcUsername = RT_ELEMENTS(wszUsername);
WCHAR wszDomain[UNLEN * 2 + 1];
DWORD cwcDomain = RT_ELEMENTS(wszDomain);
SID_NAME_USE enmNameUse;
if (LookupAccountSidW(NULL, uBuf.TokenUser.User.Sid, wszUsername, &cwcUsername,
wszDomain, &cwcDomain, &enmNameUse))
{
wszUsername[RT_ELEMENTS(wszUsername) - 1] = '\0';
wszDomain[RT_ELEMENTS(wszDomain) - 1] = '\0';
try
{
*a_pStrUsername = wszDomain;
a_pStrUsername->append('/');
a_pStrUsername->append(Utf8Str(wszUsername));
}
catch (std::bad_alloc &)
{
LogRel(("i_GetClientUserSID: std::bad_alloc setting rStrUsername.\n"));
a_pStrUsername->setNull();
}
}
else
LogRel(("i_GetClientUserSID: LookupAccountSidW failed: %u/%x (cwcUsername=%u, cwcDomain=%u)\n",
GetLastError(), cwcUsername, cwcDomain));
}
}
else
LogRel(("i_GetClientUserSID: ConvertSidToStringSidW failed: %u\n", GetLastError()));
}
else
LogRel(("i_GetClientUserSID: GetTokenInformation/TokenUser failed: %u\n", GetLastError()));
CloseHandle(hToken);
}
else
{
CoRevertToSelf();
LogRel(("i_GetClientUserSID: OpenThreadToken failed: %u\n", GetLastError()));
}
}
else
LogRel(("i_GetClientUserSID: CoImpersonateClient failed: %Rhrc\n", hrc));
CoUninitialize();
return fRet;
}