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/* $Id: asn1-ut-dyntype.cpp $ */
/** @file
* IPRT - ASN.1, Basic Operations.
*/
/*
* Copyright (C) 2006-2023 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "internal/iprt.h"
#include <iprt/asn1.h>
#include <iprt/err.h>
#include <iprt/string.h>
#include <iprt/formats/asn1.h>
/*
* ASN.1 dynamic type union - Standard Methods.
*/
RTDECL(int) RTAsn1DynType_Init(PRTASN1DYNTYPE pThis, PCRTASN1ALLOCATORVTABLE pAllocator)
{
RT_NOREF_PV(pAllocator);
RT_ZERO(*pThis);
pThis->enmType = RTASN1TYPE_NOT_PRESENT;
return VINF_SUCCESS;
}
RTDECL(int) RTAsn1DynType_Clone(PRTASN1DYNTYPE pThis, PCRTASN1DYNTYPE pSrc, PCRTASN1ALLOCATORVTABLE pAllocator)
{
AssertPtr(pSrc); AssertPtr(pThis); AssertPtr(pAllocator);
RT_ZERO(*pThis);
if (RTAsn1DynType_IsPresent(pSrc))
{
int rc;
switch (pSrc->enmType)
{
case RTASN1TYPE_CORE: rc = RTAsn1Core_Clone(&pThis->u.Core, &pSrc->u.Core, pAllocator); break;
case RTASN1TYPE_NULL: rc = RTAsn1Null_Clone(&pThis->u.Asn1Null, &pSrc->u.Asn1Null, pAllocator); break;
case RTASN1TYPE_INTEGER: rc = RTAsn1Integer_Clone(&pThis->u.Integer, &pSrc->u.Integer, pAllocator); break;
case RTASN1TYPE_BOOLEAN: rc = RTAsn1Boolean_Clone(&pThis->u.Boolean, &pSrc->u.Boolean, pAllocator); break;
case RTASN1TYPE_STRING: rc = RTAsn1String_Clone(&pThis->u.String, &pSrc->u.String, pAllocator); break;
case RTASN1TYPE_OCTET_STRING: rc = RTAsn1OctetString_Clone(&pThis->u.OctetString, &pSrc->u.OctetString, pAllocator); break;
case RTASN1TYPE_BIT_STRING: rc = RTAsn1BitString_Clone(&pThis->u.BitString, &pSrc->u.BitString, pAllocator); break;
case RTASN1TYPE_TIME: rc = RTAsn1Time_Clone(&pThis->u.Time, &pSrc->u.Time, pAllocator); break;
#if 0
case RTASN1TYPE_SEQUENCE_CORE: rc = VERR_NOT_SUPPORTED; //rc = RTAsn1SequenceCore_Clone(&pThis->u.SeqCore, &pSrc->u.SeqCore, pAllocator); break;
case RTASN1TYPE_SET_CORE: rc = VERR_NOT_SUPPORTED; //rc = RTAsn1SetCore_Clone(&pThis->u.SetCore, &pSrc->u.SetCore, pAllocator); break;
#endif
case RTASN1TYPE_OBJID: rc = RTAsn1ObjId_Clone(&pThis->u.ObjId, &pSrc->u.ObjId, pAllocator); break;
default:
AssertFailedReturn(VERR_ASN1_INTERNAL_ERROR_2);
}
if (RT_FAILURE(rc))
{
RT_ZERO(*pThis);
return rc;
}
pThis->enmType = pSrc->enmType;
}
else
pThis->enmType = RTASN1TYPE_NOT_PRESENT;
return VINF_SUCCESS;
}
RTDECL(void) RTAsn1DynType_Delete(PRTASN1DYNTYPE pThis)
{
if ( pThis
&& RTAsn1DynType_IsPresent(pThis))
{
if ( pThis->u.Core.pOps
&& pThis->u.Core.pOps->pfnDtor)
pThis->u.Core.pOps->pfnDtor(&pThis->u.Core);
RT_ZERO(*pThis);
}
}
RTDECL(int) RTAsn1DynType_SetToNull(PRTASN1DYNTYPE pThis)
{
RTAsn1DynType_Delete(pThis);
pThis->enmType = RTASN1TYPE_NULL;
return RTAsn1Null_Init(&pThis->u.Asn1Null, NULL /*pAllocator*/);
}
RTDECL(int) RTAsn1DynType_SetToObjId(PRTASN1DYNTYPE pThis, PCRTASN1OBJID pSrc, PCRTASN1ALLOCATORVTABLE pAllocator)
{
RTAsn1DynType_Delete(pThis);
pThis->enmType = RTASN1TYPE_OBJID;
return RTAsn1ObjId_Clone(&pThis->u.ObjId, pSrc, pAllocator);
}
RTDECL(int) RTAsn1DynType_Enum(PRTASN1DYNTYPE pThis, PFNRTASN1ENUMCALLBACK pfnCallback, uint32_t uDepth, void *pvUser)
{
if ( pThis
&& RTAsn1DynType_IsPresent(pThis))
{
if ( pThis->u.Core.pOps
&& pThis->u.Core.pOps->pfnEnum)
return pThis->u.Core.pOps->pfnEnum(&pThis->u.Core, pfnCallback, uDepth, pvUser);
}
return VINF_SUCCESS;
}
RTDECL(int) RTAsn1DynType_Compare(PCRTASN1DYNTYPE pLeft, PCRTASN1DYNTYPE pRight)
{
if (RTAsn1DynType_IsPresent(pLeft) && RTAsn1DynType_IsPresent(pRight))
{
if (pLeft->enmType != pRight->enmType)
return pLeft->enmType < pRight->enmType ? -1 : 1;
switch (pLeft->enmType)
{
case RTASN1TYPE_CORE: return RTAsn1Core_Compare(&pLeft->u.Core, &pRight->u.Core); break;
case RTASN1TYPE_NULL: return RTAsn1Null_Compare(&pLeft->u.Asn1Null, &pRight->u.Asn1Null);
case RTASN1TYPE_INTEGER: return RTAsn1Integer_Compare(&pLeft->u.Integer, &pRight->u.Integer);
case RTASN1TYPE_BOOLEAN: return RTAsn1Boolean_Compare(&pLeft->u.Boolean, &pRight->u.Boolean);
case RTASN1TYPE_STRING: return RTAsn1String_Compare(&pLeft->u.String, &pRight->u.String);
case RTASN1TYPE_OCTET_STRING: return RTAsn1OctetString_Compare(&pLeft->u.OctetString, &pRight->u.OctetString);
case RTASN1TYPE_BIT_STRING: return RTAsn1BitString_Compare(&pLeft->u.BitString, &pRight->u.BitString);
case RTASN1TYPE_TIME: return RTAsn1Time_Compare(&pLeft->u.Time, &pRight->u.Time);
case RTASN1TYPE_OBJID: return RTAsn1ObjId_Compare(&pLeft->u.ObjId, &pRight->u.ObjId);
default: AssertFailedReturn(-1);
}
}
else
return (int)RTAsn1DynType_IsPresent(pLeft) - (int)RTAsn1DynType_IsPresent(pRight);
}
RTDECL(int) RTAsn1DynType_CheckSanity(PCRTASN1DYNTYPE pThis, uint32_t fFlags, PRTERRINFO pErrInfo, const char *pszErrorTag)
{
if (RT_UNLIKELY(!RTAsn1DynType_IsPresent(pThis)))
return RTErrInfoSetF(pErrInfo, VERR_ASN1_NOT_PRESENT, "%s: Missing (DYNTYPE).", pszErrorTag);
int rc;
switch (pThis->enmType)
{
case RTASN1TYPE_CORE: rc = RTAsn1Core_CheckSanity(&pThis->u.Core, fFlags, pErrInfo, pszErrorTag); break;
case RTASN1TYPE_NULL: rc = RTAsn1Null_CheckSanity(&pThis->u.Asn1Null, fFlags, pErrInfo, pszErrorTag); break;
case RTASN1TYPE_INTEGER: rc = RTAsn1Integer_CheckSanity(&pThis->u.Integer, fFlags, pErrInfo, pszErrorTag); break;
case RTASN1TYPE_BOOLEAN: rc = RTAsn1Boolean_CheckSanity(&pThis->u.Boolean, fFlags, pErrInfo, pszErrorTag); break;
case RTASN1TYPE_STRING: rc = RTAsn1String_CheckSanity(&pThis->u.String, fFlags, pErrInfo, pszErrorTag); break;
case RTASN1TYPE_OCTET_STRING: rc = RTAsn1OctetString_CheckSanity(&pThis->u.OctetString, fFlags, pErrInfo, pszErrorTag); break;
case RTASN1TYPE_BIT_STRING: rc = RTAsn1BitString_CheckSanity(&pThis->u.BitString, fFlags, pErrInfo, pszErrorTag); break;
case RTASN1TYPE_TIME: rc = RTAsn1Time_CheckSanity(&pThis->u.Time, fFlags, pErrInfo, pszErrorTag); break;
#if 0
case RTASN1TYPE_SEQUENCE_CORE: rc = VINF_SUCCESS; //rc = RTAsn1SequenceCore_CheckSanity(&pThis->u.SeqCore, fFlags, pErrInfo, pszErrorTag); break;
case RTASN1TYPE_SET_CORE: rc = VINF_SUCCESS; //rc = RTAsn1SetCore_CheckSanity(&pThis->u.SetCore, fFlags, pErrInfo, pszErrorTag); break;
#endif
case RTASN1TYPE_OBJID: rc = RTAsn1ObjId_CheckSanity(&pThis->u.ObjId, fFlags, pErrInfo, pszErrorTag); break;
default:
AssertFailedReturn(VERR_ASN1_INTERNAL_ERROR_2);
}
return rc;
}
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