351 lines
8.9 KiB
C++
351 lines
8.9 KiB
C++
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//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (C) Microsoft Corporation, 1996 - 1999
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//
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// File: NameVal.cpp
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//
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// Contents: Microsoft Internet Security Catalog Utilities
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// implements the Certificate Trust List & persistent storage
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//
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// Functions: CatalogEncodeNameValue
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// CatalogDecodeNameValue
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// CatalogCertExt2CryptAttr
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// CatalogCryptAttr2CertExt
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//
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// *** local functions ***
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// EncodeUserOID
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// DecodeUserOID
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//
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// History: 16-May-1997 pberkman created
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//
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//--------------------------------------------------------------------------
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#include "global.hxx"
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#include "mscat32.h"
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BOOL EncodeUserOID(CRYPTCATSTORE *pCatStore, CAT_NAMEVALUE *pNameValue);
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BOOL DecodeUserOID(CRYPTCATSTORE *pCatStore, CAT_NAMEVALUE *pNV, BYTE **ppbUserOIDDecode,
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DWORD *pcbUserOIDDecode);
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void CatalogCertExt2CryptAttr(CERT_EXTENSION *pCertExt, CRYPT_ATTRIBUTE *pCryptAttr)
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{
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memset(pCryptAttr, 0x00, sizeof(CRYPT_ATTRIBUTE));
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pCryptAttr->pszObjId = pCertExt->pszObjId;
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pCryptAttr->cValue = 1;
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pCryptAttr->rgValue = &pCertExt->Value;
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}
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void CatalogCryptAttr2CertExt(CRYPT_ATTRIBUTE *pCryptAttr, CERT_EXTENSION *pCertExt)
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{
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memset(pCertExt, 0x00, sizeof(CERT_EXTENSION));
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pCertExt->pszObjId = pCryptAttr->pszObjId;
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pCertExt->fCritical = FALSE;
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if ((pCryptAttr->cValue) && (pCryptAttr->rgValue))
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{
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memcpy(&pCertExt->Value, &pCryptAttr->rgValue[0], sizeof(CRYPT_ATTR_BLOB));
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}
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}
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BOOL CatalogEncodeNameValue(CRYPTCATSTORE *pCatStore, CRYPTCATATTRIBUTE *pAttr,
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PCRYPT_ATTRIBUTE pCryptAttr)
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{
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CAT_NAMEVALUE sNV;
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memset(&sNV, 0x00, sizeof(CAT_NAMEVALUE));
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sNV.pwszTag = pAttr->pwszReferenceTag;
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sNV.fdwFlags = pAttr->dwAttrTypeAndAction;
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sNV.Value.cbData = pAttr->cbValue;
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if (!(sNV.Value.pbData = (BYTE *)CatalogNew(sNV.Value.cbData)))
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{
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return(FALSE);
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}
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memcpy(sNV.Value.pbData, pAttr->pbValue, sNV.Value.cbData);
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if (pAttr->dwAttrTypeAndAction & CRYPTCAT_ATTR_NAMEOBJID)
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{
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if (!(EncodeUserOID(pCatStore, &sNV)))
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{
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delete sNV.Value.pbData;
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return(FALSE);
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}
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}
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pCryptAttr->pszObjId = CAT_NAMEVALUE_OBJID;
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pCryptAttr->rgValue->cbData = 0;
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CryptEncodeObject(pCatStore->dwEncodingType,
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pCryptAttr->pszObjId,
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&sNV,
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NULL,
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&pCryptAttr->rgValue->cbData);
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if (pCryptAttr->rgValue->cbData > 0)
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{
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if (!(pCryptAttr->rgValue->pbData = (BYTE *)CatalogNew(pCryptAttr->rgValue->cbData)))
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{
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delete sNV.Value.pbData;
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return(FALSE);
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}
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if (!(CryptEncodeObject(pCatStore->dwEncodingType,
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pCryptAttr->pszObjId,
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&sNV,
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pCryptAttr->rgValue->pbData,
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&pCryptAttr->rgValue->cbData)))
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{
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delete sNV.Value.pbData;
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DELETE_OBJECT(pCryptAttr->rgValue->pbData);
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pCryptAttr->rgValue->cbData = 0;
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return(FALSE);
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}
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delete sNV.Value.pbData;
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return(TRUE);
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}
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delete sNV.Value.pbData;
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return(FALSE);
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}
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BOOL CatalogDecodeNameValue(CRYPTCATSTORE *pCatStore, PCRYPT_ATTRIBUTE pCryptAttr,
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CRYPTCATATTRIBUTE *pCatAttr)
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{
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CAT_NAMEVALUE *pNV;
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DWORD cbDecoded;
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cbDecoded = 0;
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CryptDecodeObject( pCatStore->dwEncodingType,
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CAT_NAMEVALUE_STRUCT,
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pCryptAttr->rgValue->pbData,
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pCryptAttr->rgValue->cbData,
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0,
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NULL,
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&cbDecoded);
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if (cbDecoded > 0)
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{
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if (!(pNV = (CAT_NAMEVALUE *)CatalogNew(cbDecoded)))
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{
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return(FALSE);
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}
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if (!(CryptDecodeObject( pCatStore->dwEncodingType,
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CAT_NAMEVALUE_STRUCT,
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pCryptAttr->rgValue->pbData,
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pCryptAttr->rgValue->cbData,
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0,
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pNV,
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&cbDecoded)))
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{
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delete pNV;
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return(FALSE);
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}
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if (!(pCatAttr->pwszReferenceTag = (LPWSTR)CatalogNew((wcslen(pNV->pwszTag) + 1) * sizeof(WCHAR))))
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{
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delete pNV;
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return(FALSE);
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}
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wcscpy(pCatAttr->pwszReferenceTag, pNV->pwszTag);
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pCatAttr->dwAttrTypeAndAction = pNV->fdwFlags;
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if (pCatAttr->dwAttrTypeAndAction & CRYPTCAT_ATTR_NAMEOBJID)
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{
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DWORD cbUserOIDDecode;
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BYTE *pbUserOIDDecode;
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if (!(DecodeUserOID(pCatStore, pNV, &pbUserOIDDecode, &cbUserOIDDecode)))
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{
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delete pNV;
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return(FALSE);
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}
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delete pNV;
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pCatAttr->pbValue = pbUserOIDDecode;
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pCatAttr->cbValue = cbUserOIDDecode;
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return(TRUE);
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}
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if (!(pCatAttr->pbValue = (BYTE *)CatalogNew(pNV->Value.cbData)))
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{
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delete pNV;
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return(FALSE);
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}
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memcpy(pCatAttr->pbValue, pNV->Value.pbData, pNV->Value.cbData);
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pCatAttr->cbValue = pNV->Value.cbData;
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delete pNV;
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return(TRUE);
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}
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return(FALSE);
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}
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BOOL EncodeUserOID(CRYPTCATSTORE *pCatStore, CAT_NAMEVALUE *pNameValue)
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{
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DWORD cbEncoded;
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BYTE *pbEncoded;
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DWORD cbConv;
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LPSTR pszObjId;
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pbEncoded = NULL;
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cbConv = WideCharToMultiByte(0, 0,
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pNameValue->pwszTag, wcslen(pNameValue->pwszTag) + 1,
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NULL, 0, NULL, NULL);
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if (cbConv < 1)
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{
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return(FALSE);
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}
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if (!(pszObjId = (LPSTR)CatalogNew(cbConv + 1)))
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{
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return(FALSE);
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}
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WideCharToMultiByte(0, 0,
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pNameValue->pwszTag, wcslen(pNameValue->pwszTag) + 1,
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pszObjId, cbConv, NULL, NULL);
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pszObjId[cbConv] = NULL;
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cbEncoded = 0;
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CryptEncodeObject(pCatStore->dwEncodingType,
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pszObjId,
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pNameValue->Value.pbData,
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NULL,
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&cbEncoded);
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if (cbEncoded > 0)
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{
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if (!(pbEncoded = (BYTE *)CatalogNew(cbEncoded)))
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{
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delete pszObjId;
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return(FALSE);
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}
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if (!(CryptEncodeObject(pCatStore->dwEncodingType,
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pszObjId,
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pNameValue->Value.pbData,
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pbEncoded,
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&cbEncoded)))
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{
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delete pszObjId;
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delete pbEncoded;
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return(FALSE);
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}
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}
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delete pszObjId;
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DELETE_OBJECT(pNameValue->Value.pbData);
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pNameValue->Value.pbData = pbEncoded;
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pNameValue->Value.cbData = cbEncoded;
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return(TRUE);
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}
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BOOL DecodeUserOID(CRYPTCATSTORE *pCatStore, CAT_NAMEVALUE *pNV, BYTE **ppbUserOIDDecode,
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DWORD *pcbUserOIDDecode)
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{
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*ppbUserOIDDecode = NULL;
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*pcbUserOIDDecode = 0;
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DWORD cbConv;
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LPSTR pszObjId;
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cbConv = WideCharToMultiByte(0, 0,
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pNV->pwszTag, wcslen(pNV->pwszTag) + 1,
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NULL, 0, NULL, NULL);
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if (cbConv < 1)
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{
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return(FALSE);
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}
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if (!(pszObjId = (LPSTR)CatalogNew(cbConv + 1)))
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{
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return(FALSE);
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}
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WideCharToMultiByte(0, 0,
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pNV->pwszTag, wcslen(pNV->pwszTag) + 1,
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pszObjId, cbConv, NULL, NULL);
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pszObjId[cbConv] = NULL;
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CryptDecodeObject(pCatStore->dwEncodingType,
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pszObjId,
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pNV->Value.pbData,
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pNV->Value.cbData,
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0,
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NULL,
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pcbUserOIDDecode);
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if (*pcbUserOIDDecode > 0)
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{
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if (!(*ppbUserOIDDecode = (BYTE *)CatalogNew(*pcbUserOIDDecode)))
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{
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delete pszObjId;
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return(FALSE);
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}
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if (!(CryptDecodeObject(pCatStore->dwEncodingType,
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pszObjId,
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pNV->Value.pbData,
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pNV->Value.cbData,
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0,
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*ppbUserOIDDecode,
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pcbUserOIDDecode)))
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{
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delete pszObjId;
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DELETE_OBJECT(*ppbUserOIDDecode);
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*pcbUserOIDDecode = 0;
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return(FALSE);
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}
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return(TRUE);
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}
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delete pszObjId;
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return(FALSE);
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}
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