//+--------------------------------------------------------------------------- // // Microsoft Windows // Copyright (C) Microsoft Corporation, 1997 - 2000 // // File: H N A P I . C P P // // Contents: OEM API // // Notes: // // Author: billi 21 Nov 2000 // //---------------------------------------------------------------------------- #include "pch.h" #pragma hdrstop #include void __cdecl hnet_oem_trans_func( unsigned int uSECode, EXCEPTION_POINTERS* pExp ) { throw HNet_Oem_SEH_Exception( uSECode ); } void EnableOEMExceptionHandling() { _set_se_translator (hnet_oem_trans_func); } void DisableOEMExceptionHandling() { _set_se_translator(NULL); } HRESULT InternalGetSharingEnabled( IHNetConnection* pHNetConnection, BOOLEAN* pbEnabled, SHARINGCONNECTIONTYPE* pType ) /*++ InternalGetSharingEnabled Routine Description: Arguments: none Return Value: none --*/ { HRESULT hr; HNET_CONN_PROPERTIES* pProps; if ( NULL == pHNetConnection ) { hr = E_INVALIDARG; } else if ( ( NULL == pbEnabled ) || ( NULL == pType ) ) { hr = E_POINTER; } else { *pbEnabled = FALSE; *pType = ICSSHARINGTYPE_PUBLIC; hr = pHNetConnection->GetProperties( &pProps ); if ( SUCCEEDED(hr) ) { if ( pProps->fIcsPublic ) { *pbEnabled = TRUE; *pType = ICSSHARINGTYPE_PUBLIC; } else if ( pProps->fIcsPrivate ) { *pbEnabled = TRUE; *pType = ICSSHARINGTYPE_PRIVATE; } CoTaskMemFree( pProps ); } } return hr; } HRESULT InternalIsShareTypeEnabled( SHARINGCONNECTIONTYPE Type, BOOLEAN* pbEnabled ) /*++ InternalGetShareTypeEnabled Routine Description: Arguments: none Return Value: none --*/ { HRESULT hr; if ( NULL == pbEnabled ) { hr = E_POINTER; } else { IHNetIcsSettings* pIcsSettings; *pbEnabled = FALSE; hr = _ObtainIcsSettingsObj( &pIcsSettings ); if ( SUCCEEDED(hr) ) { switch( Type ) { case ICSSHARINGTYPE_PUBLIC: { IEnumHNetIcsPublicConnections* pHNetEnumPub; hr = pIcsSettings->EnumIcsPublicConnections( &pHNetEnumPub ); if ( SUCCEEDED(hr) ) { IHNetIcsPublicConnection *pIHNetIcsPublic; if ( pHNetEnumPub->Next( 1, &pIHNetIcsPublic, NULL ) == S_OK ) { *pbEnabled = TRUE; ReleaseObj( pIHNetIcsPublic ); } ReleaseObj( pHNetEnumPub ); } } break; case ICSSHARINGTYPE_PRIVATE: { IEnumHNetIcsPrivateConnections* pHNetEnumPrv; hr = pIcsSettings->EnumIcsPrivateConnections( &pHNetEnumPrv ); if ( SUCCEEDED(hr) ) { IHNetIcsPrivateConnection *pIHNetIcsPrivate; if ( pHNetEnumPrv->Next( 1, &pIHNetIcsPrivate, NULL ) == S_OK ) { *pbEnabled = TRUE; ReleaseObj( pIHNetIcsPrivate ); } ReleaseObj( pHNetEnumPrv ); } } break; default: hr = E_UNEXPECTED; break; } // switch( Type ) ReleaseObj( pIcsSettings ); } // if ( SUCCEEDED(hr) ) } // if ( NULL == pbEnabled ) return hr; } STDMETHODIMP CNetSharingConfiguration::GetSharingEnabled( BOOLEAN* pbEnabled, SHARINGCONNECTIONTYPE* pType ) /*++ CNetSharingConfiguration::GetSharingEnabled Routine Description: Arguments: none Return Value: none --*/ { HNET_OEM_API_ENTER HRESULT hr = S_OK; if ( ( NULL == pbEnabled ) || ( NULL == pType ) ) { hr = E_POINTER; } else { *pbEnabled = FALSE; *pType = ICSSHARINGTYPE_PUBLIC; BOOLEAN bBridged = FALSE; hr = InternalGetSharingEnabled( m_pHNetConnection, pbEnabled, pType ); } return hr; HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingConfiguration::get_SharingEnabled (VARIANT_BOOL* pbEnabled) { HNET_OEM_API_ENTER SHARINGCONNECTIONTYPE Type; BOOLEAN bEnabled = FALSE; HRESULT hr = GetSharingEnabled (&bEnabled, &Type); if (SUCCEEDED(hr)) *pbEnabled = bEnabled ? VARIANT_TRUE : VARIANT_FALSE; return hr; HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingConfiguration::get_SharingConnectionType(SHARINGCONNECTIONTYPE* pType) { HNET_OEM_API_ENTER BOOLEAN bEnabled; return GetSharingEnabled (&bEnabled, pType); HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingConfiguration::DisableSharing() /*++ CNetSharingConfiguration::DisableSharing Routine Description: Arguments: none Return Value: none --*/ { HNET_OEM_API_ENTER HRESULT hr; if ( !IsNotifyApproved() ) { hr = E_ACCESSDENIED; } else { BOOLEAN bEnabled = FALSE; SHARINGCONNECTIONTYPE Type; hr = InternalGetSharingEnabled( m_pHNetConnection, &bEnabled, &Type ); if ( SUCCEEDED(hr) && bEnabled ) { switch( Type ) { case ICSSHARINGTYPE_PUBLIC: { IHNetIcsPublicConnection* pPublicConnection; hr = m_pHNetConnection->GetControlInterface( __uuidof(IHNetIcsPublicConnection), reinterpret_cast(&pPublicConnection) ); if ( SUCCEEDED(hr) ) { hr = pPublicConnection->Unshare(); ReleaseObj(pPublicConnection); } } break; case ICSSHARINGTYPE_PRIVATE: { IHNetIcsPrivateConnection* pPrivateConnection; hr = m_pHNetConnection->GetControlInterface( __uuidof(IHNetIcsPrivateConnection), reinterpret_cast(&pPrivateConnection) ); if ( SUCCEEDED(hr) ) { hr = pPrivateConnection->RemoveFromIcs(); ReleaseObj(pPrivateConnection); } } break; default: hr = E_UNEXPECTED; } } } return hr; HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingConfiguration::EnableSharing( SHARINGCONNECTIONTYPE Type ) /*++ CNetSharingConfiguration::EnableSharing Routine Description: Arguments: none Return Value: none --*/ { HNET_OEM_API_ENTER HRESULT hr; if ( !IsNotifyApproved() ) { hr = E_ACCESSDENIED; } else { BOOLEAN bEnabled = FALSE; SHARINGCONNECTIONTYPE existingType; hr = InternalGetSharingEnabled( m_pHNetConnection, &bEnabled, &existingType ); // If all ready sharing the connection at the specified type then // return hresult. if ( SUCCEEDED(hr) && ( !bEnabled || (existingType != Type) ) ) { BOOLEAN bTypeEnabled = FALSE; hr = InternalIsShareTypeEnabled( Type, &bTypeEnabled ); // If we have another adapter all ready shared at the specified type // then return error if ( SUCCEEDED(hr) && bTypeEnabled ) { hr = E_ANOTHERADAPTERSHARED; } else { if ( bEnabled ) { DisableSharing(); } switch( Type ) { case ICSSHARINGTYPE_PUBLIC: { IHNetIcsPublicConnection* pPublicConnection; hr = m_pHNetConnection->SharePublic( &pPublicConnection ); if ( SUCCEEDED(hr) ) { ReleaseObj( pPublicConnection ); } } break; case ICSSHARINGTYPE_PRIVATE: { IHNetIcsPrivateConnection* pPrivateConnection; hr = m_pHNetConnection->SharePrivate( &pPrivateConnection ); if ( SUCCEEDED(hr) ) { ReleaseObj(pPrivateConnection); } } break; default: hr = E_UNEXPECTED; } // switch( Type ) } // if ( SUCCEEDED(hr) && !bEnabled ) } // if ( SUCCEEDED(hr) && ( !bEnabled || (existingType != Type) ) } // if ( !IsNotifyApproved() ) return hr; HNET_OEM_API_LEAVE } HRESULT InternalGetFirewallEnabled( IHNetConnection* pHNetConnection, BOOLEAN* pbEnabled ) /*++ InternalGetFirewallEnabled Routine Description: Arguments: none Return Value: none --*/ { HRESULT hr; HNET_CONN_PROPERTIES* pProps; if ( NULL == pHNetConnection ) { hr = E_INVALIDARG; } else if ( NULL == pbEnabled ) { hr = E_POINTER; } else { *pbEnabled = FALSE; hr = pHNetConnection->GetProperties( &pProps ); if ( SUCCEEDED(hr) ) { if ( pProps->fFirewalled ) { *pbEnabled = TRUE; } CoTaskMemFree( pProps ); } } return hr; } STDMETHODIMP CNetSharingConfiguration::get_InternetFirewallEnabled( VARIANT_BOOL *pbEnabled ) /*++ CNetSharingConfiguration::GetInternetFirewallEnabled Routine Description: Arguments: none Return Value: none --*/ { HNET_OEM_API_ENTER HRESULT hr = S_OK; if ( NULL == pbEnabled ) { hr = E_POINTER; } else { BOOLEAN bEnabled = FALSE; hr = InternalGetFirewallEnabled( m_pHNetConnection, &bEnabled ); *pbEnabled = bEnabled ? VARIANT_TRUE : VARIANT_FALSE; } return hr; HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingConfiguration::DisableInternetFirewall() /*++ CNetSharingConfiguration::DisableInternetFirewall Routine Description: Arguments: none Return Value: none --*/ { HNET_OEM_API_ENTER HRESULT hr; if ( !IsNotifyApproved() ) { hr = E_ACCESSDENIED; } else { BOOLEAN bEnabled = FALSE; hr = InternalGetFirewallEnabled( m_pHNetConnection, &bEnabled ); if ( SUCCEEDED(hr) && bEnabled ) { IHNetFirewalledConnection* pFirewallConnection; hr = m_pHNetConnection->GetControlInterface( __uuidof(IHNetFirewalledConnection), reinterpret_cast(&pFirewallConnection) ); if ( SUCCEEDED(hr) ) { hr = pFirewallConnection->Unfirewall(); ReleaseObj(pFirewallConnection); } } } return hr; HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingConfiguration::EnableInternetFirewall() /*++ CNetSharingConfiguration::EnableInternetFirewall Routine Description: Arguments: none Return Value: none --*/ { HNET_OEM_API_ENTER HRESULT hr; if ( !IsNotifyApproved() ) { hr = E_ACCESSDENIED; } else { BOOLEAN bEnabled = FALSE; hr = InternalGetFirewallEnabled( m_pHNetConnection, &bEnabled ); if ( SUCCEEDED(hr) && !bEnabled ) { IHNetFirewalledConnection* pFirewalledConnection; m_pHNetConnection->Firewall( &pFirewalledConnection ); if ( SUCCEEDED(hr) ) { ReleaseObj( pFirewalledConnection ); } } } return hr; HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingConfiguration::AddPortMapping( OLECHAR* pszwName, UCHAR ucIPProtocol, USHORT usExternalPort, USHORT usInternalPort, DWORD dwOptions, OLECHAR* pszwTargetNameOrIPAddress, ICS_TARGETTYPE eTargetType, INetSharingPortMapping** ppMapping ) /*++ CNetSharingConfiguration::AddPortMapping Routine Description: Arguments: none Return Value: none --*/ { HNET_OEM_API_ENTER OLECHAR* pszwTargetName = NULL; OLECHAR* pszwTargetIPAddress = NULL; if (eTargetType == ICSTT_NAME) pszwTargetName = pszwTargetNameOrIPAddress; else if (eTargetType == ICSTT_IPADDRESS) pszwTargetIPAddress = pszwTargetNameOrIPAddress; else return E_INVALIDARG; HRESULT hr = S_OK; if ( NULL == ppMapping ) { hr = E_POINTER; } else if ( ( NULL == pszwName ) || ( 0 == ucIPProtocol ) || ( 0 == usInternalPort) || // should I allow this, implying internal == external? ( 0 == usExternalPort ) ) { hr = E_INVALIDARG; } else if ( ( NULL == pszwTargetName ) && ( NULL == pszwTargetIPAddress ) ) { hr = E_INVALIDARG; } else if ( !IsSecureContext() ) { hr = E_ACCESSDENIED; } else if ( NULL == m_pSettings ) { hr = E_UNEXPECTED; } if ( SUCCEEDED(hr) ) { *ppMapping = NULL; CComObject* pNewMap; hr = CComObject::CreateInstance( &pNewMap ); if ( SUCCEEDED(hr) ) { pNewMap->AddRef(); IHNetPortMappingProtocol* pNewProtocol = NULL; // first, find existing IHNetPortMappingProtocol interface CComPtr spEnumProtocols = NULL; m_pSettings->EnumPortMappingProtocols (&spEnumProtocols); if (spEnumProtocols) { CComPtr spHNetPortMappingProtocol = NULL; while (S_OK == spEnumProtocols->Next (1, &spHNetPortMappingProtocol, NULL)) { UCHAR ucProtocol = 0; spHNetPortMappingProtocol->GetIPProtocol (&ucProtocol); USHORT usPort = 0; spHNetPortMappingProtocol->GetPort (&usPort); if ((ucProtocol == ucIPProtocol) && (ntohs(usPort) == usExternalPort)) { #if DBG OLECHAR * szwName = NULL; spHNetPortMappingProtocol->GetName (&szwName); if (szwName) { _ASSERT (!wcscmp (szwName, pszwName)); CoTaskMemFree (szwName); } #endif pNewProtocol = spHNetPortMappingProtocol.Detach(); break; } spHNetPortMappingProtocol = NULL; } } if (pNewProtocol == NULL) { hr = m_pSettings->CreatePortMappingProtocol( pszwName, ucIPProtocol, htons (usExternalPort), &pNewProtocol ); } if ( SUCCEEDED(hr) ) { IHNetPortMappingBinding *pNewBinding; hr = m_pHNetConnection->GetBindingForPortMappingProtocol( pNewProtocol, &pNewBinding ); if ( SUCCEEDED(hr) ) { if ( NULL == pszwTargetName ) { ULONG ulAddress = IpPszToHostAddr( pszwTargetIPAddress ); ulAddress = htonl (ulAddress); hr = pNewBinding->SetTargetComputerAddress( ulAddress ); } else { hr = pNewBinding->SetTargetComputerName( pszwTargetName ); } if ( SUCCEEDED(hr ) ) { hr = pNewBinding->SetTargetPort (htons (usInternalPort)); } if ( SUCCEEDED(hr ) ) { pNewMap->Initialize( pNewBinding ); *ppMapping = pNewMap; (*ppMapping)->AddRef(); } ReleaseObj( pNewBinding ); } ReleaseObj( pNewProtocol ); } ReleaseObj(pNewMap); } } return hr; HNET_OEM_API_LEAVE } /*++ CNetSharingConfiguration::RemovePortMapping Routine Description: Arguments: none Return Value: none --*/ STDMETHODIMP CNetSharingConfiguration::RemovePortMapping( INetSharingPortMapping* pMapping ) { HNET_OEM_API_ENTER HRESULT hr; if ( NULL == pMapping ) { hr = E_INVALIDARG; } else if ( !IsSecureContext() ) { hr = E_ACCESSDENIED; } else { hr = pMapping->Delete(); } return hr; HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingPortMapping::get_Properties (INetSharingPortMappingProps ** ppNSPMP) // ICS_PORTMAPPING** ppProps) /*++ CNetSharingPortMapping::get_Properties Routine Description: Arguments: ppProps Return Value: none --*/ { // idea: use existing code to fill out ICS_PORTMAPPING, // then convert to INetSharingPortMappingProps HNET_OEM_API_ENTER ICS_PORTMAPPING * pProps = NULL; ICS_PORTMAPPING** ppProps = &pProps; HRESULT hr; #define Props (*ppProps) if ( NULL == ppNSPMP ) { hr = E_POINTER; } else if ( !IsSecureContext() ) { hr = E_ACCESSDENIED; } else { Props = reinterpret_cast(CoTaskMemAlloc(sizeof(ICS_PORTMAPPING))); if ( NULL == Props ) { hr = E_OUTOFMEMORY; } else { HRESULT hrName, hrAddr; ULONG ulAddress = 0L; ZeroMemory( Props, sizeof(ICS_APPLICATION_DEFINITION) ); hrName = _IProtocol()->GetTargetComputerName( &(Props->pszwTargetName) ); hrAddr = _IProtocol()->GetTargetComputerAddress( &ulAddress ); if ( SUCCEEDED(hrAddr) ) { hrAddr = HostAddrToIpPsz( ulAddress, &(Props->pszwTargetIPAddress) ); } if ( SUCCEEDED(hrName) || SUCCEEDED(hrAddr) ) { IHNetPortMappingProtocol *pProtocol = NULL; hr = _IProtocol()->GetProtocol( &pProtocol ); if ( SUCCEEDED(hr) ) { hr = pProtocol->GetName( &(Props->pszwName) ); if ( SUCCEEDED(hr) ) { hr = pProtocol->GetIPProtocol( &(Props->ucIPProtocol) ); } if ( SUCCEEDED(hr) ) { hr = pProtocol->GetPort( &(Props->usExternalPort) ); } ReleaseObj(pProtocol); } } else // actually, either error will do. hr = hrName; // ? hrName : hrAddr; if (SUCCEEDED(hr)) { // distinguish between TargetComputerName and TargetIPAddress if (Props->pszwTargetIPAddress && Props->pszwTargetName) { BOOLEAN fUseName; HRESULT hr1 = _IProtocol()->GetCurrentMethod (&fUseName); if (fUseName) { CoTaskMemFree( Props->pszwTargetIPAddress ); Props->pszwTargetIPAddress = NULL; } else { CoTaskMemFree( Props->pszwTargetName ); Props->pszwTargetName = NULL; } } // lastly, get enabled bit BOOLEAN b = FALSE; hr = _IProtocol()->GetEnabled (&b); Props->bEnabled = b == TRUE ? VARIANT_TRUE : VARIANT_FALSE; } if (SUCCEEDED(hr)) { hr = _IProtocol()->GetTargetPort ( &(Props->usInternalPort) ); } if ( FAILED(hr) ) { if ( Props->pszwName ) CoTaskMemFree( Props->pszwName ); if ( Props->pszwTargetIPAddress ) CoTaskMemFree( Props->pszwTargetIPAddress ); if ( Props->pszwTargetName ) CoTaskMemFree( Props->pszwTargetName ); CoTaskMemFree( Props ); Props = NULL; } } } if (Props) { // convert to INetSharingPortMappingProps **ppNSPMP CComObject* pNSPMP = NULL; hr = CComObject::CreateInstance (&pNSPMP); if (pNSPMP) { pNSPMP->AddRef(); // adjust byte order Props->usExternalPort = ntohs (Props->usExternalPort); Props->usInternalPort = ntohs (Props->usInternalPort); hr = pNSPMP->SetRawData (Props); if (hr == S_OK) hr = pNSPMP->QueryInterface (__uuidof(INetSharingPortMappingProps), (void**)ppNSPMP); pNSPMP->Release(); } if (Props->pszwName) CoTaskMemFree (Props->pszwName); if (Props->pszwTargetIPAddress) CoTaskMemFree (Props->pszwTargetIPAddress); if (Props->pszwTargetName) CoTaskMemFree (Props->pszwTargetName); CoTaskMemFree (Props); } #undef Props return hr; HNET_OEM_API_LEAVE } STDMETHODIMP CNetSharingPortMapping::Delete() /*++ CNetSharingPortMapping::Delete Routine Description: Arguments: none Return Value: none --*/ { HNET_OEM_API_ENTER HRESULT hr; Disable(); // if we can't delete it, at least disable it. // TODO: should I do this only if the Delete call below returns E_ACCESSDENIED? if ( _IProtocol() ) { IHNetPortMappingProtocol* pPortMappingProtocol; hr = _IProtocol()->GetProtocol( &pPortMappingProtocol ); if SUCCEEDED(hr) { pPortMappingProtocol->Delete(); EnterCriticalSection( _CriticalSection() ); _IProtocol( NULL ); LeaveCriticalSection( _CriticalSection() ); ReleaseObj( pPortMappingProtocol ); } } else { hr = E_UNEXPECTED; } return hr; HNET_OEM_API_LEAVE }