//
// The ICS manager initialization takes 3 steps --
// 1. Make sure that ICS is supported in the current version of Windows
// 2. Retrieve all the ICS connections
// 3. Initialize each connection
//
HRESULT
CIcsManager::InitIcsManager
(
)
{
HRESULT hr = S_OK;
IUnknown* pUnkEnum = nullptr;
IEnumNetSharingEveryConnection* pNSEConn = nullptr;
INetSharingEveryConnectionCollection* pConnectionsList = nullptr;
INetConnection* pNetConnection = nullptr;
LONG lIndex = 0;
VARIANT_BOOL bSharingEnabled = VARIANT_FALSE;
VARIANT varItem;
ULONG pceltFetched;
VariantInit(&varItem);
if (m_pNSMgr)
{
hr = E_UNEXPECTED;
BAIL_ON_HRESULT_ERROR(hr);
}
hr =
CoCreateInstance
(
__uuidof(NetSharingManager),
nullptr,
CLSCTX_ALL,
__uuidof(INetSharingManager),
reinterpret_cast<void**>(&m_pNSMgr)
);
BAIL_ON_HRESULT_ERROR(hr);
ASSERT(m_pNSMgr);
hr =
RefreshInstalled
(
);
BAIL_ON_HRESULT_ERROR(hr);
if (!m_bInstalled)
{
hr = E_UNEXPECTED;
BAIL_ON_HRESULT_ERROR(hr);
}
hr =
m_pNSMgr->get_EnumEveryConnection
(
&pConnectionsList
);
BAIL_ON_HRESULT_ERROR(hr);
ASSERT(pConnectionsList);
hr =
pConnectionsList->get__NewEnum
(
&pUnkEnum
);
BAIL_ON_HRESULT_ERROR(hr);
ASSERT(pUnkEnum);
hr =
pUnkEnum->QueryInterface
(
__uuidof(IEnumNetSharingEveryConnection),
reinterpret_cast<void**>(&pNSEConn)
);
BAIL_ON_HRESULT_ERROR(hr);
ASSERT(pNSEConn);
m_lNumConns = 0;
while (1)
{
VariantClear(&varItem);
hr =
pNSEConn->Next
(
1,
&varItem,
&pceltFetched
);
BAIL_ON_HRESULT_ERROR(hr);
if (S_FALSE == hr)
{
hr = S_OK;
break;
}
m_lNumConns++;
ASSERT( (V_VT(&varItem) == VT_UNKNOWN) && V_UNKNOWN(&varItem) );
}
hr = pNSEConn->Reset( );
BAIL_ON_HRESULT_ERROR(hr);
if (0 == m_lNumConns)
{
BAIL( );
}
m_pList = new(std::nothrow) CIcsConnection [m_lNumConns];
if (!m_pList)
{
hr = E_OUTOFMEMORY;
BAIL_ON_HRESULT_ERROR(hr);
}
lIndex = 0;
while ( 1 )
{
SAFE_RELEASE(pNetConnection);
VariantClear(&varItem);
hr =
pNSEConn->Next
(
1,
&varItem,
&pceltFetched
);
BAIL_ON_HRESULT_ERROR(hr);
if (S_FALSE == hr)
{
hr = S_OK;
break;
}
lIndex++;
if (lIndex > m_lNumConns)
{
hr = E_UNEXPECTED;
BAIL_ON_HRESULT_ERROR(hr);
}
ASSERT( (V_VT(&varItem) == VT_UNKNOWN) && V_UNKNOWN(&varItem) );
hr =
V_UNKNOWN(&varItem)->QueryInterface
(
__uuidof(INetConnection),
reinterpret_cast<void**>(&pNetConnection)
);
BAIL_ON_HRESULT_ERROR(hr);
ASSERT(pNetConnection);
hr =
m_pList[lIndex-1].InitIcsConnection
(
this,
pNetConnection,
lIndex-1
);
BAIL_ON_HRESULT_ERROR(hr);
}
ASSERT(lIndex == m_lNumConns);
error:
SAFE_RELEASE(pNetConnection);
VariantClear(&varItem);
SAFE_RELEASE(pNSEConn);
SAFE_RELEASE(pUnkEnum);
SAFE_RELEASE(pConnectionsList);
return hr;
}
HRESULT DoTheWork (INetSharingManager * pNSM)
{ // add a port mapping to every firewalled or shared connection
INetSharingEveryConnectionCollection * pNSECC = NULL;
HRESULT hr = pNSM->get_EnumEveryConnection (&pNSECC);
int LastErrorCode = 0;
if (!pNSECC)
return ICS_Error_FailGetEvery;
else {
// enumerate connections
IEnumVARIANT * pEV = NULL;
IUnknown * pUnk = NULL;
hr = pNSECC->get__NewEnum (&pUnk);
if (pUnk) {
hr = pUnk->QueryInterface (__uuidof(IEnumVARIANT),
(void**)&pEV);
pUnk->Release();
}else{
return ICS_Error_FailGetNewEnum;
}
if (pEV) {
VARIANT v;
VariantInit (&v);
while (S_OK == pEV->Next (1, &v, NULL)) {
if (V_VT (&v) == VT_UNKNOWN) {
INetConnection * pNC = NULL;
V_UNKNOWN (&v)->QueryInterface
(__uuidof(INetConnection),
(void**)&pNC);
if (pNC) {
INetConnectionProps * pNCP = NULL;
pNSM->get_NetConnectionProps (pNC, &pNCP);
if (!pNCP)
wprintf (L"failed to get NetConnectionProps!\r\n");
else {
// check properties for firewalled or shared connection
NETCON_MEDIATYPE MediaType;
pNCP->get_MediaType(&MediaType);
NETCON_STATUS Status;
pNCP->get_Status(&Status);
BSTR DevName;
pNCP->get_DeviceName(&DevName);
if (MediaType & (NCM_LAN | NCM_SHAREDACCESSHOST_LAN | NCM_PHONE)
&& Status == NCS_CONNECTED
&& QString(_com_util::ConvertBSTRToString(DevName)).indexOf("hosted network", 0, Qt::CaseInsensitive)==-1
&& QString(_com_util::ConvertBSTRToString(DevName)).indexOf("virtual", 0, Qt::CaseInsensitive)==-1
&& QString(_com_util::ConvertBSTRToString(DevName)).indexOf("teamviewer", 0, Qt::CaseInsensitive)==-1) {
// got a shared/firewalled connection
INetSharingConfiguration * pNSC = NULL;
hr = pNSM->get_INetSharingConfigurationForINetConnection (pNC, &pNSC);
if (!pNSC)
wprintf (L"can't make INetSharingConfiguration object!\r\n");
else {
hr = pNSC->EnableSharing(ICSSHARINGTYPE_PRIVATE);
if(hr!=S_OK){
LastErrorCode = ICS_Error_EnableSharing;
}else{
BSTR Name;
pNCP->get_Name(&Name);
QMessageBox msg;
msg.setText(QString("Network: %1 %2 %3").arg(_com_util::ConvertBSTRToString(Name)).arg(_com_util::ConvertBSTRToString(DevName)).arg(Status));
msg.exec();
return 0;
}
pNSC->Release();
}
}
pNCP->Release();
}
pNC->Release();
}
}
VariantClear (&v);
}
pEV->Release();
}else{
return ICS_Error_FailGetEnumVariant;
}
pNSECC->Release();
}
if(LastErrorCode!=0) return LastErrorCode;
return hr;
}
