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1684 lines
45 KiB
1684 lines
45 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 2000.
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//
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// File: V A L I D A T E S D . C P P
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//
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// Contents: Implementation of service description validation routines
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//
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// Notes:
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//
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// Author: spather 2000/10/17
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//
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//----------------------------------------------------------------------------
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#include <pch.h>
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#pragma hdrstop
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#include "upnp.h"
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#include "Validate.h"
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#include "ncxml.h"
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#include "ncstring.h"
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LPCWSTR CWSZ_UPNP_SERVICE_NAMESPACE = L"urn:schemas-upnp-org:service-1-0";
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BOOL
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fIsNodeValueInList(
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IN IXMLDOMNode * pxdn,
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IN BOOL fCaseSensitive,
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IN const DWORD cValues,
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IN LPCWSTR rgcszValues[],
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OUT DWORD * pdwIndex)
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{
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HRESULT hr = S_OK;
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BOOL fResult = FALSE;
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BSTR bstrText = NULL;
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Assert(cValues > 0);
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Assert(rgcszValues);
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hr = pxdn->get_text(&bstrText);
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if (SUCCEEDED(hr))
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{
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Assert(bstrText);
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for (DWORD i = 0; i < cValues; i++)
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{
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if (fCaseSensitive)
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{
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if (0 == lstrcmpW(bstrText, rgcszValues[i]))
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{
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fResult = TRUE;
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*pdwIndex = i;
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break;
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}
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}
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else
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{
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if (0 == lstrcmpiW(bstrText, rgcszValues[i]))
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{
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fResult = TRUE;
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*pdwIndex = i;
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break;
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}
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}
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}
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SysFreeString(bstrText);
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}
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else
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{
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TraceError("fIsNodeValueInList(): "
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"Failed to get node text",
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hr);
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}
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TraceError("fIsNodeValueInList(): "
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"Before returning",
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hr);
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return fResult;
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}
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LPWSTR
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SzAllocateErrorString(
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LPCWSTR cszError,
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LPCWSTR cszOptionalParam)
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{
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DWORD cchError = 0;
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LPWSTR szError = NULL;
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Assert(cszError);
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cchError = lstrlenW(cszError);
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if (cszOptionalParam)
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{
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cchError += lstrlenW(cszOptionalParam);
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}
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szError = new WCHAR[cchError+1];
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if (szError)
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{
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if (cszOptionalParam)
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{
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wsprintf(szError, cszError, cszOptionalParam);
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}
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else
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{
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lstrcpyW(szError, cszError);
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}
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}
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else
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{
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TraceTag(ttidValidate,
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"SzAllocateErrorString(): "
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"Failed to allocate memory to duplicate error string %S",
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cszError);
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}
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return szError;
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}
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inline
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HRESULT
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HrAllocErrorStringAndReturnHr(
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HRESULT hrDesired,
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LPCWSTR cszErrorText,
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LPCWSTR cszOptonalParam,
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LPWSTR* pszError)
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{
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HRESULT hr = hrDesired;
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Assert(pszError);
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Assert(cszErrorText);
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*pszError = SzAllocateErrorString(cszErrorText, cszOptonalParam);
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if (NULL == *pszError)
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{
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hr = E_OUTOFMEMORY;
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}
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return hr;
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}
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HRESULT
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HrValidateName(
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IN IXMLDOMNode * pxdnName,
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IN BOOL fCheckAUnderscore,
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OUT LPWSTR * pszError)
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{
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HRESULT hr = S_OK;
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LPWSTR szError = NULL;
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BSTR bstrName = NULL;
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Assert(pszError);
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hr = pxdnName->get_text(&bstrName);
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if (SUCCEEDED(hr))
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{
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Assert(bstrName);
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if (0 == lstrcmpW(bstrName, L""))
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{
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hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
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L"<name> element was empty",
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NULL, &szError);
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}
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#if DBG
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if (SUCCEEDED(hr))
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{
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if (lstrlenW(bstrName) >= 32)
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{
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HRESULT hrTemp = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
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L"<name> element should be less than 32 characters",
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NULL, &szError);
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if(SUCCEEDED(hrTemp))
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{
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char * szaError = SzFromWsz(szError);
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if(szaError)
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{
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TraceTag(ttidDefault, szaError);
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delete [] szaError;
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}
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delete [] szError;
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szError = NULL;
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}
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}
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}
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#endif
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if (SUCCEEDED(hr))
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{
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WCHAR * sz = bstrName;
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int i = 0;
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BOOL hasHyphen = FALSE;
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while (sz[i])
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{
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if (sz[i] == L'-')
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{
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hasHyphen = TRUE;
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break;
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}
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i++;
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}
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if (hasHyphen)
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{
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hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
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L"<name> element may not contain '-'",
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NULL, &szError);
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}
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}
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SysFreeString(bstrName);
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}
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else
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{
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TraceError("HrValidateName(): "
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"Failed to get node text",
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hr);
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}
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if (szError)
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{
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*pszError = szError;
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}
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TraceError("HrValidateName(): "
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"Exiting",
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hr);
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return hr;
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}
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HRESULT
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HrValidateRelatedStateVariable(
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IN IXMLDOMNode * pxdnRSV,
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IN IXMLDOMNode * pxdnSST,
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OUT LPWSTR * pszError)
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{
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HRESULT hr = S_OK;
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LPWSTR szError = NULL;
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BSTR bstrRSVName = NULL;
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Assert(pszError);
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hr = HrGetTextValueFromElement(pxdnRSV, &bstrRSVName);
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if (SUCCEEDED(hr))
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{
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BSTR bstrXSLPattern = NULL;
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Assert(bstrRSVName);
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bstrXSLPattern = SysAllocString(L"stateVariable/name");
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if (bstrXSLPattern)
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{
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IXMLDOMNodeList * pxdnlSVNames = NULL;
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hr = pxdnSST->selectNodes(bstrXSLPattern, &pxdnlSVNames);
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if (SUCCEEDED(hr))
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{
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LONG listLength = 0;
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Assert(pxdnlSVNames);
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hr = pxdnlSVNames->get_length(&listLength);
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if (SUCCEEDED(hr))
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{
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BOOL fMatch = FALSE;
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for (LONG i = 0;
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SUCCEEDED(hr) && (i < listLength) && (FALSE == fMatch);
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i++)
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{
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IXMLDOMNode * pxdnName = NULL;
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hr = pxdnlSVNames->get_item(i, &pxdnName);
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if (SUCCEEDED(hr))
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{
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Assert(pxdnName);
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fMatch = fMatch ||FIsThisTheNodeTextValue(pxdnName,
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bstrRSVName);
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pxdnName->Release();
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}
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else
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{
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TraceError("HrValidateRelatedStateVariable(): "
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"Failed to get list item",
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hr);
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}
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}
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if (FALSE == fMatch)
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{
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hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
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L"<relatedStateVariable> '%s' did not contain the "
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L"name of a state variable", bstrRSVName, &szError);
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}
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}
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else
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{
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TraceError("HrValidateRelatedStateVariable(): "
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"Failed to get list length",
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hr);
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}
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pxdnlSVNames->Release();
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}
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else
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{
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TraceError("HrValidateRelatedStateVariable(): "
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"Failed to select nodes",
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hr);
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}
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SysFreeString(bstrXSLPattern);
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}
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else
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{
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hr = E_OUTOFMEMORY;
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TraceError("HrValidateRelatedStateVariable(): "
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"Failed to allocate XSL pattern string",
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hr);
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}
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SysFreeString(bstrRSVName);
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}
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if (szError)
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{
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*pszError = szError;
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}
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TraceError("HrValidateRelatedStateVariable(): "
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"Exiting(): ",
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hr);
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return hr;
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}
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HRESULT
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HrValidateArg(
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IN IXMLDOMNode * pxdnArg,
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IN IXMLDOMNode * pxdnSST,
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OUT BOOL * pbIsInArg,
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OUT BOOL * pbIsRetval,
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OUT LPWSTR * pszError)
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{
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HRESULT hr = S_OK;
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LPWSTR szError = NULL;
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IXMLDOMNode * pxdnChild = NULL;
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LONG lFoundName = 0;
|
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LONG lFoundDir = 0;
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LONG lFoundRSV = 0;
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BOOL bFoundRetval = FALSE;
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|
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Assert(pbIsInArg);
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Assert(pbIsRetval);
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Assert(pszError);
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hr = pxdnArg->get_firstChild(&pxdnChild);
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while (SUCCEEDED(hr) && pxdnChild)
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{
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IXMLDOMNode * pxdnNextSibling = NULL;
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|
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if (FIsThisTheNodeNameWithNamespace(pxdnChild,
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L"name",
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CWSZ_UPNP_SERVICE_NAMESPACE))
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{
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lFoundName++;
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hr = HrValidateName(pxdnChild, FALSE, &szError);
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}
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else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
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L"direction",
|
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CWSZ_UPNP_SERVICE_NAMESPACE))
|
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{
|
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lFoundDir++;
|
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if (FIsThisTheNodeTextValue(pxdnChild, L"in"))
|
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{
|
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*pbIsInArg = TRUE;
|
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}
|
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else if (FIsThisTheNodeTextValue(pxdnChild, L"out"))
|
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{
|
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*pbIsInArg = FALSE;
|
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}
|
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else
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{
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hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
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L"<direction> contained invalid value."
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L" Must be \"in\" or \"out\".", NULL, &szError);
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}
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}
|
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else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
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L"retval",
|
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CWSZ_UPNP_SERVICE_NAMESPACE))
|
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{
|
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BSTR bstrText = NULL;
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|
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bFoundRetval = TRUE;
|
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hr = pxdnChild->get_text(&bstrText);
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|
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if (SUCCEEDED(hr))
|
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{
|
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Assert(bstrText);
|
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|
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if (0 == lstrcmpW(bstrText, L""))
|
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{
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*pbIsRetval = TRUE;
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}
|
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else
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{
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hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
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L"<retval> contained a text value. Must be empty.",
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NULL, &szError);
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}
|
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SysFreeString(bstrText);
|
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}
|
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else
|
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{
|
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TraceError("HrValidateArg(): "
|
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"Failed to get text of <retval> element",
|
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hr);
|
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}
|
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}
|
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else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
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L"relatedStateVariable",
|
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CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
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lFoundRSV++;
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|
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hr = HrValidateRelatedStateVariable(pxdnChild, pxdnSST, &szError);
|
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}
|
|
|
|
if (FAILED(hr))
|
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{
|
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pxdnChild->Release();
|
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break;
|
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}
|
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|
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hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
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pxdnChild->Release();
|
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pxdnChild = pxdnNextSibling;
|
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}
|
|
|
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if (SUCCEEDED(hr))
|
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{
|
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if (1 != lFoundName)
|
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{
|
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hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
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L"<argument> did not contain exactly one <name> element",
|
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NULL, &szError);
|
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}
|
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else if (1 != lFoundDir)
|
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{
|
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hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
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L"<argument> did not contain exactly one <directio> element",
|
|
NULL, &szError);
|
|
}
|
|
else if (1 != lFoundRSV)
|
|
{
|
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hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
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L"<argument> did not contain exactly one "
|
|
L"<relatedStateVariable> element", NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
if (FALSE == bFoundRetval)
|
|
{
|
|
*pbIsRetval = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (szError)
|
|
{
|
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*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateArg(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT
|
|
HrValidateArgList(
|
|
IN IXMLDOMNode * pxdnArgList,
|
|
IN IXMLDOMNode * pxdnSST,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
BOOL bFoundArg = FALSE;
|
|
BOOL bIsInArg = FALSE;
|
|
BOOL bIsRetval = FALSE;
|
|
BOOL bFoundAtLeastOneOutArg = FALSE;
|
|
|
|
Assert(pszError);
|
|
hr = pxdnArgList->get_firstChild(&pxdnChild);
|
|
|
|
while (SUCCEEDED(hr) && pxdnChild)
|
|
{
|
|
IXMLDOMNode * pxdnNextSibling = NULL;
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"argument",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
bFoundArg = TRUE;
|
|
|
|
bIsInArg = FALSE;
|
|
bIsRetval = FALSE;
|
|
|
|
hr = HrValidateArg(pxdnChild,
|
|
pxdnSST,
|
|
&bIsInArg,
|
|
&bIsRetval,
|
|
&szError);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (bIsRetval)
|
|
{
|
|
// <retval> can only appear in the first "out" argument.
|
|
|
|
if (bIsInArg)
|
|
{
|
|
// <retval> appeared in an "in" argument.
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<retval> element found in \"in\" <argument>",
|
|
NULL, &szError);
|
|
}
|
|
else if (bFoundAtLeastOneOutArg)
|
|
{
|
|
// <retval> appeared in an "out" argument that was not
|
|
// the first one.
|
|
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<retval> element found in \"out\" <argument> "
|
|
L"that was not the first one", NULL, &szError);
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (bIsInArg)
|
|
{
|
|
if (bFoundAtLeastOneOutArg)
|
|
{
|
|
// Found an "in" arg after some "out" args.
|
|
hr = HrAllocErrorStringAndReturnHr(
|
|
UPNP_E_INVALID_DOCUMENT,
|
|
L"\"in\" <argument> found after one or "
|
|
L"more \"out\" <argument>s", NULL, &szError);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
bFoundAtLeastOneOutArg = TRUE;
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
pxdnChild->Release();
|
|
break;
|
|
}
|
|
|
|
hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
|
pxdnChild->Release();
|
|
pxdnChild = pxdnNextSibling;
|
|
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (FALSE == bFoundArg)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<argumentList> did not contain any <argument> elements",
|
|
NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
BOOL bDuplicatesExist = FALSE;
|
|
|
|
// Check for duplicate names.
|
|
hr = HrAreThereDuplicatesInChildNodeTextValues(pxdnArgList,
|
|
L"argument/name",
|
|
FALSE,
|
|
&bDuplicatesExist);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (bDuplicatesExist)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<argumentList> contained <argument> elements with "
|
|
L"duplicate names", NULL, &szError);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TraceError("HrValidateArgList(): "
|
|
"Failed to check for duplicate names",
|
|
hr);
|
|
}
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateArgList(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT
|
|
HrValidateAction(
|
|
IN IXMLDOMNode * pxdnAction,
|
|
IN IXMLDOMNode * pxdnSST,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
LONG lFoundName = 0;
|
|
|
|
Assert(pszError);
|
|
|
|
hr = pxdnAction->get_firstChild(&pxdnChild);
|
|
|
|
while (SUCCEEDED(hr) && pxdnChild)
|
|
{
|
|
IXMLDOMNode * pxdnNextSibling = NULL;
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"name",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
lFoundName++;
|
|
hr = HrValidateName(pxdnChild, TRUE, &szError);
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"argumentList",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
hr = HrValidateArgList(pxdnChild, pxdnSST, &szError);
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
pxdnChild->Release();
|
|
break;
|
|
}
|
|
|
|
hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
|
pxdnChild->Release();
|
|
pxdnChild = pxdnNextSibling;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (1 != lFoundName)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT, L"<action> "
|
|
L"did not contain exactly one <name> element", NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateAction(): "
|
|
"Exiting",
|
|
hr);
|
|
|
|
return hr;
|
|
|
|
}
|
|
|
|
|
|
HRESULT
|
|
HrValidateActionList(
|
|
IN IXMLDOMNode * pxdnActionList,
|
|
IN IXMLDOMNode * pxdnSST,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
BOOL bFoundAction = FALSE;
|
|
|
|
Assert(pszError);
|
|
|
|
hr = pxdnActionList->get_firstChild(&pxdnChild);
|
|
|
|
while (SUCCEEDED(hr) && pxdnChild)
|
|
{
|
|
IXMLDOMNode * pxdnNextSibling = NULL;
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"action",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
|
|
bFoundAction = TRUE;
|
|
|
|
hr = HrValidateAction(pxdnChild, pxdnSST, &szError);
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
pxdnChild->Release();
|
|
break;
|
|
}
|
|
|
|
hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
|
pxdnChild->Release();
|
|
pxdnChild = pxdnNextSibling;
|
|
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (FALSE == bFoundAction)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<actionList> did not contain any <action> elements",
|
|
NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
BOOL bDuplicatesExist = FALSE;
|
|
|
|
// Check for duplicate names.
|
|
hr = HrAreThereDuplicatesInChildNodeTextValues(pxdnActionList,
|
|
L"action/name",
|
|
FALSE,
|
|
&bDuplicatesExist);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (bDuplicatesExist)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<actionList> contained <action> elements with duplicate "
|
|
L"names", NULL, &szError);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TraceError("HrValidateActionList(): "
|
|
"Failed to check for duplicate names",
|
|
hr);
|
|
}
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateActionList(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT
|
|
HrValidateAllowedValueRange(
|
|
IN IXMLDOMNode * pxdnAllowedValueRange,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
LONG lFoundMin = 0;
|
|
LONG lFoundMax = 0;
|
|
LONG lFoundStep = 0;
|
|
|
|
Assert(pszError);
|
|
|
|
hr = pxdnAllowedValueRange->get_firstChild(&pxdnChild);
|
|
|
|
while (SUCCEEDED(hr) && pxdnChild)
|
|
{
|
|
IXMLDOMNode * pxdnNextSibling = NULL;
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"minimum",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
lFoundMin++;
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"maximum",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
lFoundMax++;
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"step",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
lFoundStep++;
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
pxdnChild->Release();
|
|
break;
|
|
}
|
|
|
|
hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
|
pxdnChild->Release();
|
|
pxdnChild = pxdnNextSibling;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (1 != lFoundMin)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<allowedValueRange> did not contain exactly one <minimum> "
|
|
L"element", NULL, &szError);
|
|
}
|
|
else if (1 != lFoundMax)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<allowedValueRange> did not contain exactly one <maximum> "
|
|
L"element", NULL, &szError);
|
|
}
|
|
else if (1 < lFoundStep)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<allowedValueRange> contained multiple <step> elements",
|
|
NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateAllowedValueRange(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT
|
|
HrValidateAllowedValue(
|
|
IN IXMLDOMNode * pxdnAllowedValue,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
BSTR bstrName = NULL;
|
|
|
|
Assert(pszError);
|
|
Assert(pxdnAllowedValue);
|
|
|
|
hr = pxdnAllowedValue->get_text(&bstrName);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
int len = lstrlenW(bstrName);
|
|
|
|
if (len == 0)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<allowedValue> element must not be empty",
|
|
NULL, &szError);
|
|
}
|
|
|
|
if (len >= 32)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<allowedValue> element must be less than 32 characters",
|
|
NULL, &szError);
|
|
}
|
|
SysFreeString(bstrName);
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateAllowedValue(): Exiting", hr);
|
|
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT
|
|
HrValidateAllowedValueList(
|
|
IN IXMLDOMNode * pxdnAllowedValueList,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
IXMLDOMNodeList * pxdnlChildren = NULL;
|
|
|
|
Assert(pszError);
|
|
|
|
hr = pxdnAllowedValueList->get_childNodes(&pxdnlChildren);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
LONG lNumChildren = 0;
|
|
|
|
Assert(pxdnlChildren);
|
|
|
|
hr = pxdnlChildren->get_length(&lNumChildren);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
BOOL fMatch = FALSE;
|
|
|
|
for (LONG i = 0; SUCCEEDED(hr) && (i < lNumChildren); i++)
|
|
{
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
|
|
hr = pxdnlChildren->get_item(i, &pxdnChild);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
Assert(pxdnChild);
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"allowedValue",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE)
|
|
)
|
|
{
|
|
fMatch = TRUE;
|
|
hr = HrValidateAllowedValue(pxdnChild, &szError);
|
|
}
|
|
|
|
pxdnChild->Release();
|
|
}
|
|
else
|
|
{
|
|
TraceError("HrValidateAllowedValueList(): "
|
|
"Failed to get list item",
|
|
hr);
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (fMatch == FALSE)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<allowedValueList> element was empty", NULL, &szError);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TraceError("HrValidateAllowedValueList(): "
|
|
"Failed to get list length",
|
|
hr);
|
|
}
|
|
|
|
pxdnlChildren->Release();
|
|
}
|
|
else
|
|
{
|
|
TraceError("HrValidateAllowedValueList(): "
|
|
"Failed to get node children",
|
|
hr);
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateAllowedValueList(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
|
|
HRESULT
|
|
HrValidateDataType(
|
|
IN IXMLDOMNode * pxdnDT,
|
|
OUT BOOL * pfIsString,
|
|
OUT BOOL * pfIsNumeric,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
DWORD dwIndex = 0;
|
|
|
|
LPCWSTR rgcszTypeStrings[] =
|
|
{
|
|
L"char", // iFirstString
|
|
L"string", // iLastString
|
|
|
|
L"ui1", // iFirstNumeric
|
|
L"ui2",
|
|
L"ui4",
|
|
L"i1",
|
|
L"i2",
|
|
L"i4",
|
|
L"int",
|
|
L"number",
|
|
L"r4",
|
|
L"r8",
|
|
L"fixed.14.4",
|
|
L"float", // iLastNumeric
|
|
|
|
L"bin.base64",
|
|
L"bin.hex",
|
|
L"boolean",
|
|
L"date",
|
|
L"dateTime",
|
|
L"dateTime.tz",
|
|
L"time",
|
|
L"time.tz",
|
|
L"uri",
|
|
L"uuid",
|
|
};
|
|
const DWORD ccTypeStrings = celems(rgcszTypeStrings);
|
|
const DWORD iFirstString = 0;
|
|
const DWORD iLastString = 1;
|
|
const DWORD iFirstNumeric = 2;
|
|
const DWORD iLastNumeric = 13;
|
|
|
|
if (FALSE == fIsNodeValueInList(pxdnDT,
|
|
FALSE,
|
|
ccTypeStrings,
|
|
rgcszTypeStrings,
|
|
&dwIndex))
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT, L"<dataType> "
|
|
L"element contained invalid value", NULL, &szError);
|
|
}
|
|
|
|
// Don't need to compare iFirstString <= dwIndex because this is always
|
|
// true.
|
|
*pfIsString = dwIndex <= iLastString;
|
|
|
|
*pfIsNumeric = (iFirstNumeric <= dwIndex && dwIndex <= iLastNumeric);
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateDataType(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
|
|
|
|
HRESULT
|
|
HrValidateStateVariable(
|
|
IN IXMLDOMNode * pxdnSV,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
LONG lFoundName = 0;
|
|
LONG lFoundDataType = 0;
|
|
LONG lFoundAllowedValueList = 0;
|
|
LONG lFoundAllowedValueRange = 0;
|
|
BOOL fIsString = FALSE;
|
|
BOOL fIsNumeric = FALSE;
|
|
BSTR bstrSendEvents = NULL;
|
|
|
|
Assert(pszError);
|
|
Assert(pxdnSV);
|
|
|
|
hr = HrGetTextValueFromAttribute(pxdnSV, L"sendEvents", &bstrSendEvents);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (hr == S_OK)
|
|
{
|
|
if (!(0 == lstrcmpiW(bstrSendEvents, L"yes") || 0 == lstrcmpiW(bstrSendEvents, L"no")))
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<stateVariable> optional attribute \"sendEvents\" must be "
|
|
L" \"yes\" or \"no\"", NULL, &szError);
|
|
}
|
|
SysFreeString(bstrSendEvents);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK; // we don't want to pass on the S_FALSE
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = pxdnSV->get_firstChild(&pxdnChild);
|
|
}
|
|
|
|
while (SUCCEEDED(hr) && pxdnChild)
|
|
{
|
|
IXMLDOMNode * pxdnNextSibling = NULL;
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"name",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
lFoundName++;
|
|
hr = HrValidateName(pxdnChild, TRUE, &szError);
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"dataType",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
lFoundDataType++;
|
|
hr = HrValidateDataType(pxdnChild, &fIsString, &fIsNumeric, &szError);
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"allowedValueList",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
if (lFoundAllowedValueRange)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<stateVariable> contains both <allowedValueRange>"
|
|
L" and <allowedValueList>", NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
lFoundAllowedValueList++;
|
|
hr = HrValidateAllowedValueList(pxdnChild, &szError);
|
|
}
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"allowedValueRange",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
if (lFoundAllowedValueList)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<stateVariable> contains both <allowedValueRange>"
|
|
L" and <allowedValueList>", NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
lFoundAllowedValueRange++;
|
|
hr = HrValidateAllowedValueRange(pxdnChild, &szError);
|
|
}
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"defaultValue",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
// ISSUE-2000/11/6-spather: Need to validate defaultValue somehow.
|
|
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
pxdnChild->Release();
|
|
break;
|
|
}
|
|
|
|
hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
|
pxdnChild->Release();
|
|
pxdnChild = pxdnNextSibling;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (1 != lFoundName)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<stateVariable> did not contain exactly one <name> element",
|
|
NULL, &szError);
|
|
}
|
|
else if (1 != lFoundDataType)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<stateVariable> did not contain exactly one <dataType> "
|
|
L"element", NULL, &szError);
|
|
}
|
|
else if (1 < lFoundAllowedValueList)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<stateVariable> contains multiple <allowedValueList> "
|
|
L"elements", NULL, &szError);
|
|
}
|
|
else if (1 < lFoundAllowedValueRange)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<stateVariable> contains multiple <allowedValueRange> "
|
|
L"elements", NULL, &szError);
|
|
}
|
|
else if (lFoundAllowedValueList && FALSE == fIsString)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<allowedValueList> may only modify a string variable",
|
|
NULL, &szError);
|
|
}
|
|
else if (lFoundAllowedValueRange && FALSE == fIsNumeric)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<allowedValueRange> may only modify a numeric variable",
|
|
NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateStateVariable(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
HRESULT
|
|
HrValidateSST(
|
|
IN IXMLDOMNode * pxdnSST,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
BOOL bFoundStateVariable = FALSE;
|
|
|
|
Assert(pszError);
|
|
|
|
hr = pxdnSST->get_firstChild(&pxdnChild);
|
|
|
|
while (SUCCEEDED(hr) && pxdnChild)
|
|
{
|
|
IXMLDOMNode * pxdnNextSibling = NULL;
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"stateVariable",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
|
|
bFoundStateVariable = TRUE;
|
|
|
|
hr = HrValidateStateVariable(pxdnChild, &szError);
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
pxdnChild->Release();
|
|
break;
|
|
}
|
|
|
|
hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
|
pxdnChild->Release();
|
|
pxdnChild = pxdnNextSibling;
|
|
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (FALSE == bFoundStateVariable)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<serviceStateTable> did not contain any <stateVariable> "
|
|
L"elements", NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
BOOL bDuplicatesExist = FALSE;
|
|
|
|
// Check for duplicate names.
|
|
hr = HrAreThereDuplicatesInChildNodeTextValues(pxdnSST,
|
|
L"stateVariable/name",
|
|
FALSE,
|
|
&bDuplicatesExist);
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (bDuplicatesExist)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<serviceStateTable> contained <stateVariable> elements "
|
|
L"with duplicate names", NULL, &szError);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TraceError("HrValidateSST(): "
|
|
"Failed to check for duplicate names",
|
|
hr);
|
|
}
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateSST(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
|
|
|
|
HRESULT
|
|
HrValidateSpecVersion(
|
|
IN IXMLDOMNode * pxdnSpecVersion,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
LPWSTR szError = NULL;
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
LONG lFoundMajor = 0;
|
|
LONG lFoundMinor = 0;
|
|
|
|
Assert(pszError);
|
|
|
|
hr = pxdnSpecVersion->get_firstChild(&pxdnChild);
|
|
|
|
while (SUCCEEDED(hr) && pxdnChild)
|
|
{
|
|
IXMLDOMNode * pxdnNextSibling = NULL;
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"major",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
BSTR bstrText = NULL;
|
|
|
|
lFoundMajor++;
|
|
|
|
hr = pxdnChild->get_text(&bstrText);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
Assert(bstrText);
|
|
|
|
if (0 != lstrcmpW(bstrText, L"1"))
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<major> version number is incorrect - "
|
|
L"should be \"1\"", NULL, &szError);
|
|
}
|
|
|
|
SysFreeString(bstrText);
|
|
}
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"minor",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
BSTR bstrText = NULL;
|
|
|
|
lFoundMinor++;
|
|
|
|
hr = pxdnChild->get_text(&bstrText);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
Assert(bstrText);
|
|
|
|
if (0 != lstrcmpW(bstrText, L"0"))
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<minor> version number is incorrect - "
|
|
L"should be \"0\"", NULL, &szError);
|
|
}
|
|
|
|
SysFreeString(bstrText);
|
|
}
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
pxdnChild->Release();
|
|
break;
|
|
}
|
|
|
|
hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
|
pxdnChild->Release();
|
|
pxdnChild = pxdnNextSibling;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (1 != lFoundMajor)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT, L"<major> "
|
|
L"specVersion element must appear exactly once", NULL, &szError);
|
|
}
|
|
else if (1 != lFoundMinor)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT, L"<minor> "
|
|
L"specVersion element must appear exactly once", NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
|
|
}
|
|
|
|
if (szError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
|
|
TraceError("HrValidateSpecVersion(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|
|
//+---------------------------------------------------------------------------
|
|
//
|
|
// Function: HrValidateServiceDescription
|
|
//
|
|
// Purpose: Validates a service description document.
|
|
//
|
|
// Arguments:
|
|
// pxdeRoot [in] The DOM element representing the root of the document.
|
|
// pszError [out] Receives a pointer to an error description string.
|
|
//
|
|
// Returns:
|
|
// If the function succeeds, the return value is S_OK. Otherwise, the
|
|
// function returns one of the COM error codes defined in WinError.h.
|
|
//
|
|
// Author: spather 2000/10/19
|
|
//
|
|
// Notes:
|
|
// The string returned at pszError must be freed by the caller using the
|
|
// "delete" operator.
|
|
//
|
|
HRESULT
|
|
HrValidateServiceDescription(
|
|
IN IXMLDOMElement * pxdeRoot,
|
|
OUT LPWSTR * pszError)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
IXMLDOMNode * pxdnSCPD = NULL;
|
|
IXMLDOMNode * pxdnSpecVersion = NULL;
|
|
IXMLDOMNode * pxdnActionList = NULL;
|
|
IXMLDOMNode * pxdnSST = NULL;
|
|
LPWSTR szError = NULL;
|
|
|
|
// Check the overall structure to make sure the required root and top-level
|
|
// elements are there.
|
|
|
|
hr = pxdeRoot->QueryInterface(IID_IXMLDOMNode, (void **) &pxdnSCPD);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
IXMLDOMNode * pxdnChild = NULL;
|
|
|
|
Assert(pxdnSCPD);
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnSCPD,
|
|
L"scpd",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
LONG lFoundSpecVersion = 0;
|
|
LONG lFoundActionList = 0;
|
|
LONG lFoundSST = 0;
|
|
|
|
hr = pxdnSCPD->get_firstChild(&pxdnChild);
|
|
|
|
while (SUCCEEDED(hr) && pxdnChild)
|
|
{
|
|
IXMLDOMNode * pxdnNextSibling = NULL;
|
|
|
|
if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"specVersion",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
pxdnChild->AddRef();
|
|
pxdnSpecVersion = pxdnChild;
|
|
lFoundSpecVersion++;
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"actionList",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
pxdnChild->AddRef();
|
|
pxdnActionList = pxdnChild;
|
|
lFoundActionList++;
|
|
}
|
|
else if (FIsThisTheNodeNameWithNamespace(pxdnChild,
|
|
L"serviceStateTable",
|
|
CWSZ_UPNP_SERVICE_NAMESPACE))
|
|
{
|
|
pxdnChild->AddRef();
|
|
pxdnSST = pxdnChild;
|
|
lFoundSST++;
|
|
}
|
|
|
|
if (FAILED(hr))
|
|
{
|
|
pxdnChild->Release();
|
|
break;
|
|
}
|
|
|
|
hr = pxdnChild->get_nextSibling(&pxdnNextSibling);
|
|
pxdnChild->Release();
|
|
pxdnChild = pxdnNextSibling;
|
|
}
|
|
|
|
// If we didn't find an unknown node and there was no other
|
|
// error, hr will be S_FALSE now. But there may have been some
|
|
// required nodes missing, so we'll check. If everything was
|
|
// there, change hr to S_OK.
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
if (1 != lFoundSpecVersion)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<specVersion> element must appear exactly once",
|
|
NULL, &szError);
|
|
}
|
|
else if (1 != lFoundSST)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<serviceStateTable> element must appear exactly once",
|
|
NULL, &szError);
|
|
}
|
|
else if (1 < lFoundActionList)
|
|
{
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT,
|
|
L"<actionList> element must appear no more than once",
|
|
NULL, &szError);
|
|
}
|
|
else
|
|
{
|
|
hr = S_OK;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Wrong root node name.
|
|
hr = HrAllocErrorStringAndReturnHr(UPNP_E_INVALID_DOCUMENT, L"Root node "
|
|
L"invalid - should be <scpd "
|
|
L"xmlns=\"urn:schemas-upnp-org:service-1-0\">", NULL, &szError);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
TraceError("HrValidateServiceDescription(): "
|
|
"Failed to get SCPD node",
|
|
hr);
|
|
}
|
|
|
|
|
|
// Next, validate each top-level node and its children.
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = HrValidateSpecVersion(pxdnSpecVersion, &szError);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = HrValidateSST(pxdnSST, &szError);
|
|
|
|
if (SUCCEEDED(hr) && NULL != pxdnActionList)
|
|
{
|
|
hr = HrValidateActionList(pxdnActionList, pxdnSST, &szError);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
// Cleanup.
|
|
if (pxdnSCPD)
|
|
{
|
|
pxdnSCPD->Release();
|
|
pxdnSCPD = NULL;
|
|
}
|
|
|
|
if (pxdnSpecVersion)
|
|
{
|
|
pxdnSpecVersion->Release();
|
|
pxdnSpecVersion = NULL;
|
|
}
|
|
|
|
if (pxdnActionList)
|
|
{
|
|
pxdnActionList->Release();
|
|
pxdnActionList = NULL;
|
|
}
|
|
|
|
if (pxdnSST)
|
|
{
|
|
pxdnSST->Release();
|
|
pxdnSST = NULL;
|
|
}
|
|
|
|
// Copy the error string to the output if necessary.
|
|
|
|
if (szError)
|
|
{
|
|
if (pszError)
|
|
{
|
|
*pszError = szError;
|
|
}
|
|
else
|
|
{
|
|
delete [] szError;
|
|
szError = NULL;
|
|
}
|
|
}
|
|
|
|
TraceError("HrValidateServiceDescription(): "
|
|
"Exiting",
|
|
hr);
|
|
return hr;
|
|
}
|
|
|