765 lines
16 KiB
C++
765 lines
16 KiB
C++
//+--------------------------------------------------------------------------
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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: crldist.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 "altname.h"
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#include "celib.h"
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#ifndef EAN_NAMEOBJECTID
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#define EAN_NAMEOBJECTID ( 0x80000000 )
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#endif EAN_NAMEOBJECTID
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::CCertEncodeAltName -- constructor
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//
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// initialize class
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//+--------------------------------------------------------------------------
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CCertEncodeAltName::CCertEncodeAltName()
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{
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m_aValue = NULL;
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m_DecodeInfo = NULL;
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m_fConstructing = FALSE;
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::~CCertEncodeAltName -- destructor
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//
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// free memory associated with this instance
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//+--------------------------------------------------------------------------
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CCertEncodeAltName::~CCertEncodeAltName()
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{
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_Cleanup();
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::_NameType -- determine name type tag
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//
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//+--------------------------------------------------------------------------
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CCertEncodeAltName::enumNameType
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CCertEncodeAltName::_NameType(
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IN DWORD NameChoice)
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{
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enumNameType Type = enumUnknown;
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switch (NameChoice)
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{
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case CERT_ALT_NAME_RFC822_NAME:
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case CERT_ALT_NAME_DNS_NAME:
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case CERT_ALT_NAME_URL:
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Type = enumUnicode;
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break;
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case CERT_ALT_NAME_REGISTERED_ID:
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Type = enumAnsi;
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break;
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case CERT_ALT_NAME_DIRECTORY_NAME:
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case CERT_ALT_NAME_IP_ADDRESS:
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Type = enumBlob;
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break;
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case CERT_ALT_NAME_OTHER_NAME:
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Type = enumOther;
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break;
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//case CERT_ALT_NAME_X400_ADDRESS:
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//case CERT_ALT_NAME_EDI_PARTY_NAME:
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}
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return(Type);
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::_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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CCertEncodeAltName::_Cleanup()
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{
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if (NULL != m_aValue)
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{
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if (!m_fConstructing)
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{
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if (NULL != m_DecodeInfo)
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{
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LocalFree(m_DecodeInfo);
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m_DecodeInfo = NULL;
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}
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}
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else
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{
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CERT_ALT_NAME_ENTRY *pName;
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CERT_ALT_NAME_ENTRY *pNameEnd;
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for (pName = m_aValue, pNameEnd = &m_aValue[m_cValue];
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pName < pNameEnd;
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pName++)
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{
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BYTE **ppb;
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ppb = NULL;
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switch (_NameType(pName->dwAltNameChoice))
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{
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case enumUnicode:
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case enumAnsi:
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ppb = (BYTE **) &pName->pwszURL;
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break;
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case enumBlob:
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ppb = (BYTE **) &pName->DirectoryName.pbData;
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break;
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case enumOther:
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{
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CERT_OTHER_NAME *pOther = pName->pOtherName;
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if (NULL != pOther)
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{
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if (NULL != pOther->pszObjId)
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{
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LocalFree(pOther->pszObjId);
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}
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if (NULL != pOther->Value.pbData)
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{
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LocalFree(pOther->Value.pbData);
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}
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}
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ppb = (BYTE **) &pName->pOtherName;
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break;
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}
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}
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if (NULL != ppb && NULL != *ppb)
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{
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LocalFree(*ppb);
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}
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}
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LocalFree(m_aValue);
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}
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m_aValue = NULL;
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}
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assert(NULL == m_DecodeInfo);
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m_fConstructing = FALSE;
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::_MapName -- map a distribution point
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//
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//+--------------------------------------------------------------------------
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HRESULT
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CCertEncodeAltName::_MapName(
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IN BOOL fEncode,
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IN LONG NameIndex, // NameIndex | EAN_*
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OUT CERT_ALT_NAME_ENTRY **ppName)
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{
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HRESULT hr = S_OK;
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CERT_ALT_NAME_ENTRY *pName;
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if (fEncode)
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{
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pName = m_fConstructing? m_aValue : NULL;
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}
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else
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{
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pName = m_aValue;
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}
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if (NULL == pName)
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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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NameIndex &= ~EAN_NAMEOBJECTID;
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if (m_cValue <= NameIndex)
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{
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ceERRORPRINTLINE("bad NameIndex parameter", hr);
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hr = E_INVALIDARG;
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goto error;
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}
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*ppName = &pName[NameIndex];
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error:
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return(hr);
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::Decode -- Decode AltName
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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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CCertEncodeAltName::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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_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 CERT_ALT_NAME_INFO:
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if (!ceDecodeObject(
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X509_ASN_ENCODING,
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X509_ALTERNATE_NAME,
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(BYTE *) strBinary,
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SysStringByteLen(strBinary),
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FALSE,
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(VOID **) &m_DecodeInfo,
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&m_DecodeLength))
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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_aValue = m_DecodeInfo->rgAltEntry;
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m_cValue = m_DecodeInfo->cAltEntry;
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error:
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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"CCertEncodeAltName::Decode"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::GetNameCount -- Get the Distribution Name 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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CCertEncodeAltName::GetNameCount(
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/* [out, retval] */ LONG __RPC_FAR *pNameCount)
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{
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HRESULT hr = E_INVALIDARG;
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if (NULL == pNameCount)
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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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ceERRORPRINTLINE("bad parameter", hr);
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goto error;
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}
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*pNameCount = m_cValue;
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hr = S_OK;
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error:
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return(_SetErrorInfo(hr, L"CCertEncodeAltName::GetNameCount"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::GetNameChoice -- Get a Name Choice
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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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CCertEncodeAltName::GetNameChoice(
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/* [in] */ LONG NameIndex,
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/* [out, retval] */ LONG __RPC_FAR *pNameChoice)
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{
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HRESULT hr;
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CERT_ALT_NAME_ENTRY *pName;
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if (NULL == pNameChoice)
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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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hr = _MapName(FALSE, NameIndex, &pName);
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if (S_OK != hr)
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{
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ceERRORPRINTLINE("_MapName", hr);
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goto error;
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}
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if (enumUnknown == _NameType(pName->dwAltNameChoice))
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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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*pNameChoice = pName->dwAltNameChoice;
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error:
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return(_SetErrorInfo(hr, L"CCertEncodeAltName::GetNameChoice"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::GetName -- Get a Name
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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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CCertEncodeAltName::GetName(
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/* [in] */ LONG NameIndex, // NameIndex | EAN_*
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/* [out, retval] */ BSTR __RPC_FAR *pstrName)
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{
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HRESULT hr;
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CERT_ALT_NAME_ENTRY *pName;
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if (NULL == pstrName)
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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(pstrName);
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hr = _MapName(FALSE, NameIndex, &pName);
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if (S_OK != hr)
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{
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ceERRORPRINTLINE("_MapName", hr);
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goto error;
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}
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hr = E_OUTOFMEMORY;
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switch (_NameType(pName->dwAltNameChoice))
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{
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case enumUnicode:
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if (!ceConvertWszToBstr(pstrName, pName->pwszURL, -1))
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{
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ceERRORPRINTLINE("no memory", hr);
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goto error;
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}
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break;
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case enumAnsi:
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if (!ceConvertSzToBstr(pstrName, pName->pszRegisteredID, -1))
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{
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ceERRORPRINTLINE("no memory", hr);
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goto error;
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}
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break;
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case enumBlob:
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if (!ceConvertWszToBstr(
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pstrName,
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(WCHAR const *) pName->DirectoryName.pbData,
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pName->DirectoryName.cbData))
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{
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ceERRORPRINTLINE("no memory", hr);
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goto error;
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}
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break;
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case enumOther:
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if (EAN_NAMEOBJECTID & NameIndex)
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{
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if (!ceConvertSzToBstr(
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pstrName,
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pName->pOtherName->pszObjId,
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-1))
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{
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ceERRORPRINTLINE("no memory", hr);
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goto error;
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}
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}
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else
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{
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if (!ceConvertWszToBstr(
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pstrName,
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(WCHAR const *) pName->pOtherName->Value.pbData,
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pName->pOtherName->Value.cbData))
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{
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ceERRORPRINTLINE("no memory", hr);
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goto error;
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}
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}
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break;
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default:
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assert(enumUnknown == _NameType(pName->dwAltNameChoice));
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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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hr = S_OK;
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error:
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return(_SetErrorInfo(hr, L"CCertEncodeAltName::GetName"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::Reset -- clear out 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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CCertEncodeAltName::Reset(
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/* [in] */ LONG NameCount)
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{
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HRESULT hr = S_OK;
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CERT_NAME_VALUE *aNameValue = NULL;
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_Cleanup();
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m_fConstructing = TRUE;
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if (CENCODEMAX < NameCount || 0 > NameCount)
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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 = (CERT_ALT_NAME_ENTRY *) LocalAlloc(
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LMEM_FIXED | LMEM_ZEROINIT,
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NameCount * 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 = NameCount;
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error:
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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"CCertEncodeAltName::Reset"));
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}
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//+--------------------------------------------------------------------------
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// CCertEncodeAltName::SetNameEntry -- Set a Name Netry
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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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CCertEncodeAltName::SetNameEntry(
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/* [in] */ LONG NameIndex, // NameIndex | EAN_*
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/* [in] */ LONG NameChoice,
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/* [in] */ BSTR const strName)
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{
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HRESULT hr;
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CERT_ALT_NAME_ENTRY *pName;
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DATA_BLOB *pBlob = NULL;
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if (NULL == strName)
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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 (!m_fConstructing)
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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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hr = _MapName(TRUE, NameIndex, &pName);
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if (S_OK != hr)
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{
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ceERRORPRINTLINE("_MapName", hr);
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goto error;
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}
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if (enumUnknown != _NameType(pName->dwAltNameChoice))
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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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hr = ceVerifyAltNameString(NameChoice, strName);
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if (S_OK != hr)
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{
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ceERRORPRINTLINE("ceVerifyAltNameString", hr);
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goto error;
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}
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switch (_NameType(NameChoice))
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{
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case enumUnicode:
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pName->pwszURL = ceDuplicateString(strName);
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if (NULL == pName->pwszURL)
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{
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hr = E_OUTOFMEMORY;
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ceERRORPRINTLINE("ceDuplicateString", hr);
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goto error;
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}
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break;
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case enumAnsi:
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if (CERT_ALT_NAME_REGISTERED_ID == NameChoice)
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{
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hr = ceVerifyObjId(strName);
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if (S_OK != hr)
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{
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ceERRORPRINTLINE("ceVerifyObjId", hr);
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goto error;
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}
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}
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if (!ceConvertWszToSz(&pName->pszRegisteredID, strName, -1))
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{
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hr = E_OUTOFMEMORY;
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ceERRORPRINTLINE("ceConvertWszToSz", hr);
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goto error;
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}
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break;
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case enumBlob:
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pBlob = &pName->DirectoryName;
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break;
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case enumOther:
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if (NULL == pName->pOtherName)
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{
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pName->pOtherName = (CERT_OTHER_NAME *) LocalAlloc(
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LMEM_FIXED | LMEM_ZEROINIT,
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sizeof(*pName->pOtherName));
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if (NULL == pName->pOtherName)
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{
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hr = E_OUTOFMEMORY;
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_JumpError(hr, error, "LocalAlloc");
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}
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}
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else if (CERT_ALT_NAME_OTHER_NAME != pName->dwAltNameChoice)
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{
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hr = E_INVALIDARG;
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_JumpError(hr, error, "NameChoice conflict");
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}
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if (EAN_NAMEOBJECTID & NameIndex)
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{
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if (NULL != pName->pOtherName->pszObjId)
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{
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hr = E_INVALIDARG;
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_JumpError(hr, error, "pszObjId already set");
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}
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if (!ceConvertWszToSz(&pName->pOtherName->pszObjId, strName, -1))
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{
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hr = E_OUTOFMEMORY;
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_JumpError(hr, error, "ceConvertWszToSz");
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}
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}
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else
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{
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pBlob = &pName->pOtherName->Value;
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}
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break;
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default:
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hr = E_INVALIDARG;
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ceERRORPRINTLINE("bad NameChoice parameter", hr);
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goto error;
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break;
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}
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if (NULL != pBlob)
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{
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if (NULL != pBlob->pbData)
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{
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hr = E_INVALIDARG;
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_JumpError(hr, error, "pbData already set");
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}
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pBlob->cbData = SysStringByteLen(strName);
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pBlob->pbData = (BYTE *) LocalAlloc(LMEM_FIXED, pBlob->cbData);
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if (NULL == pBlob->pbData)
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{
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hr = E_OUTOFMEMORY;
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_JumpError(hr, error, "LocalAlloc");
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}
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CopyMemory(pBlob->pbData, strName, pBlob->cbData);
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}
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pName->dwAltNameChoice = NameChoice;
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|
|
|
error:
|
|
return(_SetErrorInfo(hr, L"CCertEncodeAltName::SetNameEntry"));
|
|
}
|
|
|
|
|
|
//+--------------------------------------------------------------------------
|
|
// CCertEncodeAltName::_VerifyName -- Verify name
|
|
//
|
|
// Returns S_OK on success.
|
|
//+--------------------------------------------------------------------------
|
|
|
|
BOOL
|
|
CCertEncodeAltName::_VerifyName(
|
|
IN LONG NameIndex)
|
|
{
|
|
HRESULT hr;
|
|
BOOL fOk = FALSE;
|
|
CERT_ALT_NAME_ENTRY *pName;
|
|
|
|
assert(m_fConstructing);
|
|
|
|
hr = _MapName(TRUE, NameIndex, &pName);
|
|
if (S_OK != hr)
|
|
{
|
|
ceERRORPRINTLINE("_MapName", hr);
|
|
goto error;
|
|
}
|
|
assert(NULL != pName);
|
|
switch (_NameType(pName->dwAltNameChoice))
|
|
{
|
|
case enumOther:
|
|
if (NULL != pName->pOtherName &&
|
|
NULL != pName->pOtherName->pszObjId &&
|
|
NULL != pName->pOtherName->Value.pbData)
|
|
{
|
|
break;
|
|
}
|
|
// FALLTHROUGH
|
|
|
|
case enumUnknown:
|
|
hr = E_INVALIDARG;
|
|
ceERRORPRINTLINE("uninitialized name", hr);
|
|
goto error;
|
|
}
|
|
fOk = TRUE;
|
|
|
|
error:
|
|
return(fOk);
|
|
}
|
|
|
|
|
|
//+--------------------------------------------------------------------------
|
|
// CCertEncodeAltName::Encode -- Encode AltName
|
|
//
|
|
// Returns S_OK on success.
|
|
//+--------------------------------------------------------------------------
|
|
|
|
STDMETHODIMP
|
|
CCertEncodeAltName::Encode(
|
|
/* [out, retval] */ BSTR __RPC_FAR *pstrBinary)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
CERT_ALT_NAME_INFO AltName;
|
|
BYTE *pbEncoded = NULL;
|
|
DWORD cbEncoded;
|
|
LONG i;
|
|
|
|
if (NULL == pstrBinary)
|
|
{
|
|
hr = E_POINTER;
|
|
ceERRORPRINTLINE("NULL parm", hr);
|
|
goto error;
|
|
}
|
|
|
|
AltName.cAltEntry = m_cValue;
|
|
AltName.rgAltEntry = m_aValue;
|
|
|
|
ceFreeBstr(pstrBinary);
|
|
if (!m_fConstructing || NULL == m_aValue)
|
|
{
|
|
hr = E_INVALIDARG;
|
|
ceERRORPRINTLINE("bad parameter", hr);
|
|
goto error;
|
|
}
|
|
|
|
for (i = 0; i < m_cValue; i++)
|
|
{
|
|
// Verify all entries are initialized:
|
|
|
|
if (!_VerifyName(i))
|
|
{
|
|
hr = HRESULT_FROM_WIN32(ERROR_INVALID_DATA);
|
|
ceERRORPRINTLINE("uninitialized name", hr);
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
// Encode CERT_ALT_NAME_INFO:
|
|
|
|
if (!ceEncodeObject(
|
|
X509_ASN_ENCODING,
|
|
X509_ALTERNATE_NAME,
|
|
&AltName,
|
|
0,
|
|
FALSE,
|
|
&pbEncoded,
|
|
&cbEncoded))
|
|
{
|
|
hr = ceHLastError();
|
|
ceERRORPRINTLINE("ceEncodeObject", hr);
|
|
goto error;
|
|
}
|
|
if (!ceConvertWszToBstr(pstrBinary, (WCHAR const *) pbEncoded, cbEncoded))
|
|
{
|
|
hr = E_OUTOFMEMORY;
|
|
ceERRORPRINTLINE("ceConvertWszToBstr", hr);
|
|
goto error;
|
|
}
|
|
|
|
error:
|
|
if (NULL != pbEncoded)
|
|
{
|
|
LocalFree(pbEncoded);
|
|
}
|
|
return(_SetErrorInfo(hr, L"CCertEncodeAltName::Encode"));
|
|
}
|
|
|
|
|
|
//+--------------------------------------------------------------------------
|
|
// CCertEncodeAltName::_SetErrorInfo -- set error object information
|
|
//
|
|
// Returns passed HRESULT
|
|
//+--------------------------------------------------------------------------
|
|
|
|
HRESULT
|
|
CCertEncodeAltName::_SetErrorInfo(
|
|
IN HRESULT hrError,
|
|
IN WCHAR const *pwszDescription)
|
|
{
|
|
assert(FAILED(hrError) || S_OK == hrError || S_FALSE == hrError);
|
|
if (FAILED(hrError))
|
|
{
|
|
HRESULT hr;
|
|
|
|
hr = ceDispatchSetErrorInfo(
|
|
hrError,
|
|
pwszDescription,
|
|
wszCLASS_CERTENCODEALTNAME,
|
|
&IID_ICertEncodeAltName);
|
|
assert(hr == hrError);
|
|
}
|
|
return(hrError);
|
|
}
|