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435 lines
9.4 KiB
435 lines
9.4 KiB
//+--------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1996 - 1999
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//
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// File: adate.cpp
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//
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// Contents: Cert Server Extension Encoding/Decoding implementation
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//
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//---------------------------------------------------------------------------
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#include "pch.cpp"
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#pragma hdrstop
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#include <assert.h>
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#include "resource.h"
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#include "adate.h"
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#include "celib.h"
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::~CCertEncodeDateArray -- destructor
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//
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// free memory associated with this instance
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//+--------------------------------------------------------------------------
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CCertEncodeDateArray::~CCertEncodeDateArray()
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{
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_Cleanup();
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::_Cleanup -- release all resources
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//
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// free memory associated with this instance
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//+--------------------------------------------------------------------------
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VOID
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CCertEncodeDateArray::_Cleanup()
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{
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if (NULL != m_aValue)
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{
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LocalFree(m_aValue);
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m_aValue = NULL;
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}
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m_cValue = 0;
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m_cValuesSet = 0;
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m_fConstructing = FALSE;
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::Decode -- Decode DateArray
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//
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// Returns S_OK on success.
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//+--------------------------------------------------------------------------
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STDMETHODIMP
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CCertEncodeDateArray::Decode(
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/* [in] */ BSTR const strBinary)
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{
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HRESULT hr = S_OK;
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CRYPT_SEQUENCE_OF_ANY *pSequence = NULL;
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DWORD cbSequence;
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LONG i;
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_Cleanup();
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if (NULL == strBinary)
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{
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hr = E_POINTER;
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ceERRORPRINTLINE("NULL parm", hr);
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goto error;
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}
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// Decode to an array of ASN blobs:
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if (!ceDecodeObject(
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X509_ASN_ENCODING,
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X509_SEQUENCE_OF_ANY,
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(BYTE *) strBinary,
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SysStringByteLen(strBinary),
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FALSE,
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(VOID **) &pSequence,
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&cbSequence))
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{
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hr = ceHLastError();
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ceERRORPRINTLINE("ceDecodeObject", hr);
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goto error;
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}
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m_cValue = pSequence->cValue;
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m_aValue = (DATE *) LocalAlloc(LMEM_FIXED, m_cValue * sizeof(m_aValue[0]));
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if (NULL == m_aValue)
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{
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hr = E_OUTOFMEMORY;
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ceERRORPRINTLINE("LocalAlloc", hr);
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goto error;
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}
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for (i = 0; i < m_cValue; i++)
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{
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DWORD cb;
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FILETIME ft;
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// Decode each ASN blob to a FILETIME:
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cb = sizeof(ft);
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if (!CryptDecodeObject(
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X509_ASN_ENCODING,
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X509_CHOICE_OF_TIME,
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pSequence->rgValue[i].pbData,
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pSequence->rgValue[i].cbData,
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0, // dwFlags
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&ft,
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&cb))
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{
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hr = ceHLastError();
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ceERRORPRINTLINE("CryptDecodeObject", hr);
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goto error;
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}
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assert(sizeof(ft) == cb);
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// Convert each FILETIME into a DATE:
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hr = ceFileTimeToDate(&ft, &m_aValue[i]);
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if (S_OK != hr)
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{
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ceERRORPRINTLINE("ceFileTimeToDate", hr);
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_Cleanup();
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goto error;
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}
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}
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error:
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if (NULL != pSequence)
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{
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LocalFree(pSequence);
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}
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if (S_OK != hr)
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{
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_Cleanup();
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}
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return(_SetErrorInfo(hr, L"CCertEncodeDateArray::Decode"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::GetCount -- Get Array count
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//
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// Returns S_OK on success.
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//+--------------------------------------------------------------------------
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STDMETHODIMP
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CCertEncodeDateArray::GetCount(
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/* [out, retval] */ LONG __RPC_FAR *pCount)
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{
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HRESULT hr = S_OK;
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if (NULL == pCount)
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{
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hr = E_POINTER;
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ceERRORPRINTLINE("NULL parm", hr);
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goto error;
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}
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if (NULL == m_aValue)
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{
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hr = E_INVALIDARG;
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ceERRORPRINTLINE("bad parameter", hr);
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goto error;
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}
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*pCount = m_cValue;
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error:
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return(_SetErrorInfo(hr, L"CCertEncodeDateArray::GetCount"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::GetValue -- Fetch the indexed date
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//
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// Returns S_OK on success.
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//+--------------------------------------------------------------------------
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STDMETHODIMP
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CCertEncodeDateArray::GetValue(
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/* [in] */ LONG Index,
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/* [out, retval] */ DATE __RPC_FAR *pValue)
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{
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HRESULT hr = S_OK;
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if (NULL == pValue)
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{
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hr = E_POINTER;
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ceERRORPRINTLINE("NULL parm", hr);
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goto error;
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}
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if (NULL == m_aValue || Index >= m_cValue)
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{
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hr = E_INVALIDARG;
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ceERRORPRINTLINE("bad parameter", hr);
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goto error;
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}
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if (0 == m_aValue[Index])
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{
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hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
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ceERRORPRINTLINE("uninitialized", hr);
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goto error;
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}
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*pValue = m_aValue[Index];
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error:
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return(_SetErrorInfo(hr, L"CCertEncodeDateArray::GetValue"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::Reset -- clear out data, and set up to encode new data
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//
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// Returns S_OK on success.
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//+--------------------------------------------------------------------------
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STDMETHODIMP
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CCertEncodeDateArray::Reset(
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/* [in] */ LONG Count)
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{
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HRESULT hr = S_OK;
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_Cleanup();
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m_fConstructing = TRUE;
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if (CENCODEMAX < Count || 0 > Count)
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{
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hr = E_INVALIDARG;
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ceERRORPRINTLINE("bad count parameter", hr);
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goto error;
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}
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m_aValue = (DATE *) LocalAlloc(
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LMEM_FIXED | LMEM_ZEROINIT,
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Count * sizeof(m_aValue[0]));
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if (NULL == m_aValue)
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{
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hr = E_OUTOFMEMORY;
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ceERRORPRINTLINE("LocalAlloc", hr);
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goto error;
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}
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m_cValue = Count;
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error:
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return(_SetErrorInfo(hr, L"CCertEncodeDateArray::Reset"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::SetValue -- Set an array date
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//
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// Returns S_OK on success.
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//+--------------------------------------------------------------------------
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STDMETHODIMP
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CCertEncodeDateArray::SetValue(
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/* [in] */ LONG Index,
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/* [in] */ DATE Value)
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{
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HRESULT hr = S_OK;
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if (!m_fConstructing ||
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NULL == m_aValue ||
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Index >= m_cValue ||
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m_cValuesSet >= m_cValue ||
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0 != m_aValue[Index] ||
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0 == Value)
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{
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hr = E_INVALIDARG;
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ceERRORPRINTLINE("bad parameter", hr);
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goto error;
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}
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m_aValue[Index] = Value;
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m_cValuesSet++;
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error:
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return(_SetErrorInfo(hr, L"CCertEncodeDateArray::SetValue"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::Encode -- Encode DateArray
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//
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// Returns S_OK on success.
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//+--------------------------------------------------------------------------
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STDMETHODIMP
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CCertEncodeDateArray::Encode(
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/* [out, retval] */ BSTR __RPC_FAR *pstrBinary)
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{
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HRESULT hr = S_OK;
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LONG i;
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CRYPT_SEQUENCE_OF_ANY Sequence;
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BYTE *pbEncoded = NULL;
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DWORD cbEncoded;
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Sequence.cValue = 0;
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Sequence.rgValue = NULL;
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if (NULL == pstrBinary)
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{
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hr = E_POINTER;
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ceERRORPRINTLINE("NULL parm", hr);
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goto error;
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}
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ceFreeBstr(pstrBinary);
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if (!m_fConstructing || NULL == m_aValue)
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{
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hr = E_INVALIDARG;
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ceERRORPRINTLINE("bad parameter", hr);
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goto error;
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}
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if (m_cValuesSet != m_cValue)
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{
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hr = HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
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ceERRORPRINTLINE("m_cValuesSet", hr);
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goto error;
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}
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Sequence.rgValue = (CRYPT_DER_BLOB *) LocalAlloc(
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LMEM_FIXED,
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m_cValue * sizeof(Sequence.rgValue[0]));
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if (NULL == Sequence.rgValue)
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{
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hr = E_OUTOFMEMORY;
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ceERRORPRINTLINE("LocalAlloc", hr);
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goto error;
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}
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for (i = 0; i < m_cValue; i++)
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{
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FILETIME ft;
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// Convert each DATE into a FILETIME:
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assert(0 != m_aValue[i]);
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hr = ceDateToFileTime(&m_aValue[i], &ft);
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if (S_OK != hr)
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{
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ceERRORPRINTLINE("ceDateToFileTime", hr);
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goto error;
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}
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// Encode each FILETIME into an ASN blob:
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if (!ceEncodeObject(
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X509_ASN_ENCODING,
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X509_CHOICE_OF_TIME,
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&ft,
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0,
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FALSE,
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&Sequence.rgValue[i].pbData,
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&Sequence.rgValue[i].cbData))
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{
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hr = ceHLastError();
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ceERRORPRINTLINE("ceEncodeObject", hr);
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goto error;
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}
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Sequence.cValue++;
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}
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assert((LONG) Sequence.cValue == m_cValue);
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// Encode the array of ASN blob:
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if (!ceEncodeObject(
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X509_ASN_ENCODING,
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X509_SEQUENCE_OF_ANY,
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&Sequence,
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0,
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FALSE,
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&pbEncoded,
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&cbEncoded))
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{
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hr = ceHLastError();
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ceERRORPRINTLINE("ceEncodeObject", hr);
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goto error;
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}
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if (!ceConvertWszToBstr(
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pstrBinary,
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(WCHAR const *) pbEncoded,
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cbEncoded))
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{
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hr = E_OUTOFMEMORY;
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ceERRORPRINTLINE("ceConvertWszToBstr", hr);
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goto error;
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}
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error:
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if (NULL != pbEncoded)
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{
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LocalFree(pbEncoded);
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}
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if (NULL != Sequence.rgValue)
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{
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assert((LONG) Sequence.cValue <= m_cValue);
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for (i = 0; i < (LONG) Sequence.cValue; i++)
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{
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assert(NULL != Sequence.rgValue[i].pbData);
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LocalFree(Sequence.rgValue[i].pbData);
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}
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LocalFree(Sequence.rgValue);
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}
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return(_SetErrorInfo(hr, L"CCertEncodeDateArray::Encode"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeDateArray::_SetErrorInfo -- set error object information
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//
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// Returns passed HRESULT
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//+--------------------------------------------------------------------------
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HRESULT
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CCertEncodeDateArray::_SetErrorInfo(
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IN HRESULT hrError,
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IN WCHAR const *pwszDescription)
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{
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assert(FAILED(hrError) || S_OK == hrError || S_FALSE == hrError);
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if (FAILED(hrError))
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{
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HRESULT hr;
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hr = ceDispatchSetErrorInfo(
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hrError,
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pwszDescription,
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wszCLASS_CERTENCODEDATEARRAY,
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&IID_ICertEncodeDateArray);
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assert(hr == hrError);
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}
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return(hrError);
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}
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