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/* $Id: asn1-ut-boolean.cpp $ */
/** @file
* IPRT - ASN.1, BOOLEAN Type.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE 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.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "internal/iprt.h"
#include <iprt/asn1.h>
#include <iprt/bignum.h>
#include <iprt/err.h>
#include <iprt/string.h>
#include <iprt/formats/asn1.h>
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
/** The false value (DER & CER). */
static const uint8_t g_bFalse = 0;
/** The true value (DER & CER). */
static const uint8_t g_bTrue = 0xff;
/*
* ASN.1 BOOLEAN - Special Methods.
*/
RTDECL(int) RTAsn1Boolean_InitDefault(PRTASN1BOOLEAN pThis, bool fValue, PCRTASN1ALLOCATORVTABLE pAllocator)
{
RT_NOREF_PV(pAllocator);
RTAsn1Core_InitEx(&pThis->Asn1Core, ASN1_TAG_BOOLEAN, ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_PRIMITIVE,
&g_RTAsn1Boolean_Vtable, RTASN1CORE_F_DEFAULT | RTASN1CORE_F_PRIMITE_TAG_STRUCT);
pThis->fValue = fValue;
pThis->Asn1Core.uData.pv = (void *)(fValue ? &g_bTrue : &g_bFalse);
return VINF_SUCCESS;
}
RTDECL(int) RTAsn1Boolean_Set(PRTASN1BOOLEAN pThis, bool fValue)
{
/* Since we don't need an allocator, let's automatically initialize the struct. */
if (!RTAsn1Boolean_IsPresent(pThis))
RTAsn1Boolean_Init(pThis, NULL);
else
RTAsn1ContentFree(&pThis->Asn1Core);
pThis->fValue = fValue;
pThis->Asn1Core.uData.pv = (void *)(fValue ? &g_bTrue : &g_bFalse);
pThis->Asn1Core.cb = 1;
pThis->Asn1Core.fFlags &= ~RTASN1CORE_F_DEFAULT;
pThis->Asn1Core.fFlags |= RTASN1CORE_F_PRESENT;
return VINF_SUCCESS;
}
/*
* ASN.1 BOOLEAN - Standard Methods.
*/
RT_DECL_DATA_CONST(RTASN1COREVTABLE const) g_RTAsn1Boolean_Vtable =
{
"RTAsn1Boolean",
sizeof(RTASN1BOOLEAN),
ASN1_TAG_BOOLEAN,
ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_PRIMITIVE,
0,
(PFNRTASN1COREVTDTOR)RTAsn1Boolean_Delete,
NULL,
(PFNRTASN1COREVTCLONE)RTAsn1Boolean_Clone,
(PFNRTASN1COREVTCOMPARE)RTAsn1Boolean_Compare,
(PFNRTASN1COREVTCHECKSANITY)RTAsn1Boolean_CheckSanity,
NULL,
NULL
};
RTDECL(int) RTAsn1Boolean_Init(PRTASN1BOOLEAN pThis, PCRTASN1ALLOCATORVTABLE pAllocator)
{
RT_NOREF_PV(pAllocator);
RTAsn1Core_InitEx(&pThis->Asn1Core, ASN1_TAG_BOOLEAN, ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_PRIMITIVE,
&g_RTAsn1Boolean_Vtable, RTASN1CORE_F_PRESENT | RTASN1CORE_F_PRIMITE_TAG_STRUCT);
pThis->fValue = true;
pThis->Asn1Core.cb = 1;
pThis->Asn1Core.uData.pv = (void *)&g_bTrue;
return VINF_SUCCESS;
}
RTDECL(int) RTAsn1Boolean_Clone(PRTASN1BOOLEAN pThis, PCRTASN1BOOLEAN pSrc, PCRTASN1ALLOCATORVTABLE pAllocator)
{
AssertPtr(pSrc); AssertPtr(pThis); AssertPtr(pAllocator);
RT_ZERO(*pThis);
if (RTAsn1Boolean_IsPresent(pSrc))
{
AssertReturn(pSrc->Asn1Core.pOps == &g_RTAsn1Boolean_Vtable, VERR_INTERNAL_ERROR_3);
AssertReturn(pSrc->Asn1Core.cb <= 1, VERR_INTERNAL_ERROR_4);
int rc;
if ( pSrc->Asn1Core.cb == 1
&& pSrc->Asn1Core.uData.pu8[0] != 0x00
&& pSrc->Asn1Core.uData.pu8[0] != 0xff)
{
/* DER/CER incompatible value must be copied as-is. */
rc = RTAsn1Core_CloneContent(&pThis->Asn1Core, &pSrc->Asn1Core, pAllocator);
if (RT_FAILURE(rc))
return rc;
}
else
{
/* No value or one of the standard values. */
rc = RTAsn1Core_CloneNoContent(&pThis->Asn1Core, &pSrc->Asn1Core);
if (RT_FAILURE(rc))
return rc;
pThis->Asn1Core.uData.pv = (void *)(pSrc->fValue ? &g_bTrue : &g_bFalse);
}
pThis->fValue = pSrc->fValue;
}
return VINF_SUCCESS;
}
RTDECL(void) RTAsn1Boolean_Delete(PRTASN1BOOLEAN pThis)
{
if ( pThis
&& RTAsn1Boolean_IsPresent(pThis))
{
Assert(pThis->Asn1Core.pOps == &g_RTAsn1Boolean_Vtable);
Assert(pThis->Asn1Core.cb <= 1);
RTAsn1ContentFree(&pThis->Asn1Core);
RT_ZERO(*pThis);
}
}
RTDECL(int) RTAsn1Boolean_Enum(PRTASN1BOOLEAN pThis, PFNRTASN1ENUMCALLBACK pfnCallback, uint32_t uDepth, void *pvUser)
{
Assert(pThis && (!RTAsn1Boolean_IsPresent(pThis) || pThis->Asn1Core.pOps == &g_RTAsn1Boolean_Vtable));
RT_NOREF_PV(pThis); RT_NOREF_PV(pfnCallback); RT_NOREF_PV(uDepth); RT_NOREF_PV(pvUser);
/* No children to enumerate. */
return VINF_SUCCESS;
}
RTDECL(int) RTAsn1Boolean_Compare(PCRTASN1BOOLEAN pLeft, PCRTASN1BOOLEAN pRight)
{
Assert(pLeft && (!RTAsn1Boolean_IsPresent(pLeft) || pLeft->Asn1Core.pOps == &g_RTAsn1Boolean_Vtable));
Assert(pRight && (!RTAsn1Boolean_IsPresent(pRight) || pRight->Asn1Core.pOps == &g_RTAsn1Boolean_Vtable));
int iDiff;
if (RTAsn1Boolean_IsPresent(pLeft))
{
if (RTAsn1Boolean_IsPresent(pRight))
iDiff = (int)pLeft->fValue - (int)pRight->fValue;
else
iDiff = -1;
}
else
iDiff = 0 - (int)RTAsn1Boolean_IsPresent(pRight);
return iDiff;
}
RTDECL(int) RTAsn1Boolean_CheckSanity(PCRTASN1BOOLEAN pThis, uint32_t fFlags, PRTERRINFO pErrInfo, const char *pszErrorTag)
{
if (RT_UNLIKELY(!RTAsn1Boolean_IsPresent(pThis)))
return RTErrInfoSetF(pErrInfo, VERR_ASN1_NOT_PRESENT, "%s: Missing (BOOLEAN).", pszErrorTag);
RT_NOREF_PV(fFlags);
return VINF_SUCCESS;
}
/*
* Generate code for the associated collection types.
*/
#define RTASN1TMPL_TEMPLATE_FILE "../common/asn1/asn1-ut-boolean-template.h"
#include <iprt/asn1-generator-internal-header.h>
#include <iprt/asn1-generator-core.h>
#include <iprt/asn1-generator-init.h>
#include <iprt/asn1-generator-sanity.h>
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