581 lines
16 KiB
C++
581 lines
16 KiB
C++
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// DPortMap.cpp : Implementation of CDynamicPortMapping
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#include "stdafx.h"
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#pragma hdrstop
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#include "NATUPnP.h"
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#include "DPortMap.h"
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/////////////////////////////////////////////////////////////////////////////
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// CDynamicPortMapping
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STDMETHODIMP CDynamicPortMapping::get_ExternalIPAddress (BSTR *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = NULL;
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return GetExternalIPAddress (m_spUPS, pVal);
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::get_LeaseDuration (long *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = 0;
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// live
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return GetAllData (pVal);
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::get_RemoteHost (BSTR *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = NULL;
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if (m_eComplete != eAllData) {
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HRESULT hr = GetAllData ();
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if (FAILED(hr))
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return hr;
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}
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*pVal = SysAllocString (m_cbRemoteHost); // "" == wildcard (for static)
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if (!*pVal)
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return E_OUTOFMEMORY;
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return S_OK;
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::get_ExternalPort (long *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = 0;
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if (m_eComplete != eAllData) {
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HRESULT hr = GetAllData ();
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if (FAILED(hr))
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return hr;
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}
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*pVal = m_lExternalPort;
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return S_OK;
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::get_Protocol (BSTR *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = NULL;
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if (m_eComplete != eAllData) {
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HRESULT hr = GetAllData ();
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if (FAILED(hr))
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return hr;
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}
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*pVal = SysAllocString (m_cbProtocol); // "TCP" or "UDP"
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if (!*pVal)
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return E_OUTOFMEMORY;
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return S_OK;
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::get_InternalPort (long *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = 0;
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if (m_eComplete != eAllData) {
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HRESULT hr = GetAllData ();
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if (FAILED(hr))
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return hr;
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}
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*pVal = m_lInternalPort;
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return S_OK;
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::get_InternalClient (BSTR *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = NULL;
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if (m_eComplete != eAllData) {
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HRESULT hr = GetAllData ();
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if (FAILED(hr))
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return hr;
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}
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*pVal = SysAllocString (m_cbInternalClient);
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if (!*pVal)
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return E_OUTOFMEMORY;
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return S_OK;
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::get_Enabled (VARIANT_BOOL *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = VARIANT_FALSE; // REVIEW: true?
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if (m_eComplete != eAllData) {
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HRESULT hr = GetAllData ();
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if (FAILED(hr))
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return hr;
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}
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*pVal = m_vbEnabled;
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return S_OK;
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::get_Description (BSTR *pVal)
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{
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NAT_API_ENTER
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if (!pVal)
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return E_POINTER;
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*pVal = NULL;
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if (m_eComplete != eAllData) {
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HRESULT hr = GetAllData ();
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if (FAILED(hr))
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return hr;
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}
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*pVal = SysAllocString (m_cbDescription);
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if (!*pVal)
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return E_OUTOFMEMORY;
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return S_OK;
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NAT_API_LEAVE
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}
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STDMETHODIMP CDynamicPortMapping::RenewLease (long lLeaseDurationDesired, long * pLeaseDurationReturned)
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{
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NAT_API_ENTER
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if (!pLeaseDurationReturned)
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return E_POINTER;
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*pLeaseDurationReturned = 0;
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HRESULT hr;
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if (m_eComplete != eAllData) {
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HRESULT hr = GetAllData ();
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if (FAILED(hr))
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return hr;
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}
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hr = AddPortMapping (m_spUPS,
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m_cbRemoteHost,
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m_lExternalPort,
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m_cbProtocol,
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m_lInternalPort,
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m_cbInternalClient,
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m_vbEnabled,
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m_cbDescription,
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lLeaseDurationDesired);
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if (SUCCEEDED(hr))
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hr = get_LeaseDuration (pLeaseDurationReturned);
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return hr;
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NAT_API_LEAVE
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}
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static BOOL IsBuiltIn (BSTR bstrDescription)
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{
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#define BUILTIN_KEY L" [MICROSOFT]"
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OLECHAR * tmp = wcsstr (bstrDescription, BUILTIN_KEY);
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if (tmp && (tmp[wcslen(BUILTIN_KEY)] == 0))
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return TRUE;
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return FALSE;
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}
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HRESULT CDynamicPortMapping::EditInternalClient (BSTR bstrInternalClient)
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{
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NAT_API_ENTER
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if (!bstrInternalClient)
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return E_INVALIDARG;
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long lLease = 0;
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HRESULT hr = get_LeaseDuration (&lLease);
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if (SUCCEEDED(hr)) {
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if (IsBuiltIn (m_cbDescription)) {
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// built-in mappings can't be deleted.
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// if enabled, I won't be able to edit the internal client.
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// so, disable it first. Note that this must be done after
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// the call to get_LeaseDuration so that all the data is up-to-date.
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VARIANT_BOOL vbEnabled = m_vbEnabled; // put in local variable, so I can change it back
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if (m_vbEnabled == VARIANT_TRUE)
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hr = Enable (VARIANT_FALSE);
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if (SUCCEEDED(hr)) {
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hr = AddPortMapping (m_spUPS,
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m_cbRemoteHost,
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m_lExternalPort,
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m_cbProtocol,
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m_lInternalPort,
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bstrInternalClient,
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vbEnabled,
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m_cbDescription,
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lLease);
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if (SUCCEEDED(hr))
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m_vbEnabled = vbEnabled;
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}
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} else {
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hr = DeletePortMapping (m_spUPS,
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m_cbRemoteHost,
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m_lExternalPort,
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m_cbProtocol);
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if (SUCCEEDED(hr))
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hr = AddPortMapping (m_spUPS,
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m_cbRemoteHost,
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m_lExternalPort,
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m_cbProtocol,
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m_lInternalPort,
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bstrInternalClient,
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m_vbEnabled,
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m_cbDescription,
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lLease);
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}
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if (SUCCEEDED(hr)) {
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m_cbInternalClient = bstrInternalClient;
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if (!m_cbInternalClient.m_str)
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return E_OUTOFMEMORY;
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}
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}
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return hr;
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NAT_API_LEAVE
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}
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HRESULT CDynamicPortMapping::Enable (VARIANT_BOOL vb)
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{
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NAT_API_ENTER
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long lLease = 0;
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HRESULT hr = get_LeaseDuration (&lLease);
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if (SUCCEEDED(hr)) {
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hr = AddPortMapping (m_spUPS,
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m_cbRemoteHost,
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m_lExternalPort,
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m_cbProtocol,
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m_lInternalPort,
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m_cbInternalClient,
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vb,
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m_cbDescription,
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lLease);
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if (SUCCEEDED(hr))
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m_vbEnabled = vb;
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}
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return hr;
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NAT_API_LEAVE
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}
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HRESULT CDynamicPortMapping::EditDescription (BSTR bstrDescription)
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{
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NAT_API_ENTER
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if (!bstrDescription)
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return E_INVALIDARG;
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long lLease = 0;
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HRESULT hr = get_LeaseDuration (&lLease);
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if (SUCCEEDED(hr)) {
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hr = AddPortMapping (m_spUPS,
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m_cbRemoteHost,
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m_lExternalPort,
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m_cbProtocol,
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m_lInternalPort,
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m_cbInternalClient,
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m_vbEnabled,
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bstrDescription,
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lLease);
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if (SUCCEEDED(hr)) {
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m_cbDescription = bstrDescription;
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if (!m_cbDescription.m_str)
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return E_OUTOFMEMORY;
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}
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}
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return hr;
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NAT_API_LEAVE
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}
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HRESULT CDynamicPortMapping::EditInternalPort (long lInternalPort)
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{
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NAT_API_ENTER
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if ((lInternalPort < 0) || (lInternalPort > 65535))
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return E_INVALIDARG;
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long lLease = 0;
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HRESULT hr = get_LeaseDuration (&lLease);
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if (SUCCEEDED(hr)) {
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hr = AddPortMapping (m_spUPS,
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m_cbRemoteHost,
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m_lExternalPort,
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m_cbProtocol,
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lInternalPort,
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m_cbInternalClient,
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m_vbEnabled,
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m_cbDescription,
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lLease);
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if (SUCCEEDED(hr))
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m_lInternalPort = lInternalPort;
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}
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return hr;
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NAT_API_LEAVE
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}
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HRESULT CDynamicPortMapping::GetAllData (long * pLease)
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{
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if (pLease)
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*pLease = NULL;
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_ASSERT (m_cbRemoteHost);
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_ASSERT (m_lExternalPort != 0);
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_ASSERT (m_cbProtocol);
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SAFEARRAYBOUND rgsaBound[1];
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rgsaBound[0].lLbound = 0;
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rgsaBound[0].cElements = 3;
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SAFEARRAY * psa = SafeArrayCreate (VT_VARIANT, 1, rgsaBound);
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if (!psa)
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return E_OUTOFMEMORY;
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CComVariant cvIn;
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V_VT (&cvIn) = VT_VARIANT | VT_ARRAY;
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V_ARRAY (&cvIn) = psa; // psa will be freed in dtor
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HRESULT
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hr = AddToSafeArray (psa, &CComVariant(m_cbRemoteHost), 0);
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if (SUCCEEDED(hr))
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hr = AddToSafeArray (psa, &CComVariant(m_lExternalPort), 1);
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if (SUCCEEDED(hr))
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||
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hr = AddToSafeArray (psa, &CComVariant(m_cbProtocol), 2);
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||
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||
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if (SUCCEEDED(hr)) {
|
||
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CComVariant cvOut, cvRet;
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||
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hr = InvokeAction (m_spUPS, CComBSTR(L"GetSpecificPortMappingEntry"), cvIn, &cvOut, &cvRet);
|
||
|
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if (SUCCEEDED(hr)) {
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||
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if (V_VT (&cvOut) != (VT_VARIANT | VT_ARRAY)) {
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||
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_ASSERT (0 && "InvokeAction didn't fill out a [out] parameter (properly)!");
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||
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hr = E_UNEXPECTED;
|
||
|
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} else {
|
||
|
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SAFEARRAY * pSA = V_ARRAY (&cvOut);
|
||
|
|
_ASSERT (pSA);
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||
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||
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long lLower = 0, lUpper = -1;
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||
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|
SafeArrayGetLBound (pSA, 1, &lLower);
|
||
|
|
SafeArrayGetUBound (pSA, 1, &lUpper);
|
||
|
|
if (lUpper - lLower != 5 - 1)
|
||
|
|
hr = E_UNEXPECTED;
|
||
|
|
else {
|
||
|
|
hr = GetLongFromSafeArray (pSA, &m_lInternalPort, 0);
|
||
|
|
if (SUCCEEDED(hr)) {
|
||
|
|
m_cbInternalClient.Empty();
|
||
|
|
hr = GetBSTRFromSafeArray (pSA, &m_cbInternalClient, 1);
|
||
|
|
if (SUCCEEDED(hr)) {
|
||
|
|
hr = GetBoolFromSafeArray (pSA, &m_vbEnabled, 2);
|
||
|
|
if (SUCCEEDED(hr)) {
|
||
|
|
m_cbDescription.Empty();
|
||
|
|
hr = GetBSTRFromSafeArray (pSA, &m_cbDescription, 3);
|
||
|
|
if (SUCCEEDED(hr)) {
|
||
|
|
if (pLease)
|
||
|
|
hr = GetLongFromSafeArray (pSA, pLease, 4);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
m_eComplete = eAllData;
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CDynamicPortMapping::CreateInstance (IUPnPService * pUPS, long lIndex, IDynamicPortMapping ** ppDPM)
|
||
|
|
{
|
||
|
|
if (ppDPM)
|
||
|
|
*ppDPM = NULL;
|
||
|
|
|
||
|
|
if (!pUPS)
|
||
|
|
return E_INVALIDARG;
|
||
|
|
if (!ppDPM)
|
||
|
|
return E_POINTER;
|
||
|
|
|
||
|
|
CComObject<CDynamicPortMapping> * pDPM = NULL;
|
||
|
|
HRESULT hr = CComObject<CDynamicPortMapping>::CreateInstance (&pDPM);
|
||
|
|
if (pDPM) {
|
||
|
|
pDPM->AddRef();
|
||
|
|
|
||
|
|
hr = pDPM->Initialize (pUPS, lIndex);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = pDPM->QueryInterface (__uuidof(IDynamicPortMapping),
|
||
|
|
(void**)ppDPM);
|
||
|
|
pDPM->Release();
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CDynamicPortMapping::Initialize (IUPnPService * pUPS, long lIndex)
|
||
|
|
{
|
||
|
|
_ASSERT (m_spUPS == NULL);
|
||
|
|
_ASSERT (m_eComplete == eNoData);
|
||
|
|
|
||
|
|
m_spUPS = pUPS;
|
||
|
|
|
||
|
|
SAFEARRAYBOUND rgsaBound[1];
|
||
|
|
rgsaBound[0].lLbound = 0;
|
||
|
|
rgsaBound[0].cElements = 1;
|
||
|
|
SAFEARRAY * psa = SafeArrayCreate (VT_VARIANT, 1, rgsaBound);
|
||
|
|
if (!psa)
|
||
|
|
return E_OUTOFMEMORY;
|
||
|
|
|
||
|
|
CComVariant cvIn;
|
||
|
|
V_VT (&cvIn) = VT_VARIANT | VT_ARRAY;
|
||
|
|
V_ARRAY (&cvIn) = psa; // psa will be freed in dtor
|
||
|
|
|
||
|
|
HRESULT hr = AddToSafeArray (psa, &CComVariant(lIndex), 0);
|
||
|
|
if (SUCCEEDED(hr)) {
|
||
|
|
CComVariant cvOut, cvRet;
|
||
|
|
hr = InvokeAction (m_spUPS, CComBSTR(L"GetGenericPortMappingEntry"), cvIn, &cvOut, &cvRet);
|
||
|
|
|
||
|
|
if (0) {
|
||
|
|
long l = 0;
|
||
|
|
HRESULT hr1 = m_spUPS->get_LastTransportStatus (&l);
|
||
|
|
_ASSERT (l == 200);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr)) {
|
||
|
|
if (V_VT (&cvOut) != (VT_VARIANT | VT_ARRAY)) {
|
||
|
|
_ASSERT (0 && "InvokeAction didn't fill out a [out] parameter (properly)!");
|
||
|
|
hr = E_UNEXPECTED;
|
||
|
|
} else {
|
||
|
|
SAFEARRAY * pSA = V_ARRAY (&cvOut);
|
||
|
|
_ASSERT (pSA);
|
||
|
|
|
||
|
|
long lLower = 0, lUpper = -1;
|
||
|
|
SafeArrayGetLBound (pSA, 1, &lLower);
|
||
|
|
SafeArrayGetUBound (pSA, 1, &lUpper);
|
||
|
|
if (lUpper - lLower != 8 - 1)
|
||
|
|
hr = E_UNEXPECTED;
|
||
|
|
else {
|
||
|
|
hr = GetBSTRFromSafeArray (pSA, &m_cbRemoteHost, 0);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = GetLongFromSafeArray (pSA, &m_lExternalPort, 1);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = GetBSTRFromSafeArray (pSA, &m_cbProtocol, 2);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = GetLongFromSafeArray (pSA, &m_lInternalPort, 3);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = GetBSTRFromSafeArray (pSA, &m_cbInternalClient, 4);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = GetBoolFromSafeArray (pSA, &m_vbEnabled, 5);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = GetBSTRFromSafeArray (pSA, &m_cbDescription, 6);
|
||
|
|
// skip lease duration, since it's live and we get it every time.
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CDynamicPortMapping::CreateInstance (IUPnPService * pUPS, BSTR bstrRemoteHost, long lExternalPort, BSTR bstrProtocol, IDynamicPortMapping ** ppDPM)
|
||
|
|
{
|
||
|
|
if (ppDPM)
|
||
|
|
*ppDPM = NULL;
|
||
|
|
|
||
|
|
if (!pUPS)
|
||
|
|
return E_INVALIDARG;
|
||
|
|
if (!ppDPM)
|
||
|
|
return E_POINTER;
|
||
|
|
|
||
|
|
CComObject<CDynamicPortMapping> * pDPM = NULL;
|
||
|
|
HRESULT hr = CComObject<CDynamicPortMapping>::CreateInstance (&pDPM);
|
||
|
|
if (pDPM) {
|
||
|
|
pDPM->AddRef();
|
||
|
|
|
||
|
|
hr = pDPM->Initialize (pUPS, bstrRemoteHost, lExternalPort, bstrProtocol);
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
hr = pDPM->QueryInterface (__uuidof(IDynamicPortMapping),
|
||
|
|
(void**)ppDPM);
|
||
|
|
pDPM->Release();
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT CDynamicPortMapping::Initialize (IUPnPService * pUPS, BSTR bstrRemoteHost, long lExternalPort, BSTR bstrProtocol)
|
||
|
|
{
|
||
|
|
if (!pUPS)
|
||
|
|
return E_INVALIDARG;
|
||
|
|
if (!bstrRemoteHost)
|
||
|
|
return E_INVALIDARG;
|
||
|
|
if ((lExternalPort < 0) || (lExternalPort > 65535))
|
||
|
|
return E_INVALIDARG;
|
||
|
|
if (!bstrProtocol)
|
||
|
|
return E_INVALIDARG;
|
||
|
|
if (wcscmp (bstrProtocol, L"TCP") && wcscmp (bstrProtocol, L"UDP"))
|
||
|
|
return E_INVALIDARG;
|
||
|
|
|
||
|
|
_ASSERT (m_spUPS == NULL);
|
||
|
|
_ASSERT (m_eComplete == eNoData);
|
||
|
|
|
||
|
|
m_spUPS = pUPS;
|
||
|
|
|
||
|
|
m_cbRemoteHost = bstrRemoteHost;
|
||
|
|
m_lExternalPort = lExternalPort;
|
||
|
|
m_cbProtocol = bstrProtocol;
|
||
|
|
|
||
|
|
if (!m_cbRemoteHost || !m_cbProtocol)
|
||
|
|
return E_OUTOFMEMORY;
|
||
|
|
else
|
||
|
|
return GetAllData();
|
||
|
|
}
|