/* $Id: asn1-ut-time.cpp 62477 2016-07-22 18:27:37Z vboxsync $ */ /** @file * IPRT - ASN.1, UTC TIME and GENERALIZED TIME Types. */ /* * Copyright (C) 2006-2016 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 #include #include #include #include #include /********************************************************************************************************************************* * Global Variables * *********************************************************************************************************************************/ /** The UTC TIME encoding of the IPRT epoch time. */ static const char g_szEpochUtc[] = "700101000000Z"; /** The GENERALIZED TIME encoding of the IPRT epoch time. */ static const char g_szEpochGeneralized[] = "19700101000000Z"; /* * ASN.1 TIME - Special Methods. */ RTDECL(int) RTAsn1Time_InitEx(PRTASN1TIME pThis, uint32_t uTag, PCRTASN1ALLOCATORVTABLE pAllocator) { AssertReturn(uTag == ASN1_TAG_UTC_TIME || uTag == ASN1_TAG_GENERALIZED_TIME, VERR_INVALID_PARAMETER); RTAsn1Core_InitEx(&pThis->Asn1Core, uTag, ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_PRIMITIVE, &g_RTAsn1Time_Vtable, RTASN1CORE_F_PRESENT | RTASN1CORE_F_PRIMITE_TAG_STRUCT); if (uTag == ASN1_TAG_UTC_TIME) { pThis->Asn1Core.cb = sizeof(g_szEpochUtc) - 1; pThis->Asn1Core.uData.pv = &g_szEpochUtc[0]; } else { pThis->Asn1Core.cb = sizeof(g_szEpochGeneralized) - 1; pThis->Asn1Core.uData.pv = &g_szEpochGeneralized[0]; } return VINF_SUCCESS; } RTDECL(int) RTAsn1Time_CompareWithTimeSpec(PCRTASN1TIME pLeft, PCRTTIMESPEC pTsRight) { int iDiff = RTAsn1Time_IsPresent(pLeft) ? 0 : -1; if (!iDiff) { RTTIMESPEC TsLeft; AssertReturn(RTTimeImplode(&TsLeft, &pLeft->Time), -1); iDiff = RTTimeSpecCompare(&TsLeft, pTsRight); } return iDiff; } /* * ASN.1 TIME - Standard Methods. */ RT_DECL_DATA_CONST(RTASN1COREVTABLE const) g_RTAsn1Time_Vtable = { "RTAsn1Time", sizeof(RTASN1TIME), UINT8_MAX, ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_PRIMITIVE, 0, (PFNRTASN1COREVTDTOR)RTAsn1Time_Delete, NULL, (PFNRTASN1COREVTCLONE)RTAsn1Time_Clone, (PFNRTASN1COREVTCOMPARE)RTAsn1Time_Compare, (PFNRTASN1COREVTCHECKSANITY)RTAsn1Time_CheckSanity, NULL, NULL }; RTDECL(int) RTAsn1Time_Init(PRTASN1TIME pThis, PCRTASN1ALLOCATORVTABLE pAllocator) { /* Using UTC TIME since epoch would be encoded using UTC TIME following X.509 Validity / Whatever time tag guidelines. */ return RTAsn1Time_InitEx(pThis, ASN1_TAG_UTC_TIME, pAllocator); } RTDECL(int) RTAsn1Time_Clone(PRTASN1TIME pThis, PCRTASN1TIME pSrc, PCRTASN1ALLOCATORVTABLE pAllocator) { AssertPtr(pSrc); AssertPtr(pThis); AssertPtr(pAllocator); RT_ZERO(*pThis); if (RTAsn1Time_IsPresent(pSrc)) { AssertReturn(pSrc->Asn1Core.pOps == &g_RTAsn1Time_Vtable, VERR_INTERNAL_ERROR_3); int rc = RTAsn1Core_CloneContent(&pThis->Asn1Core, &pSrc->Asn1Core, pAllocator); if (RT_SUCCESS(rc)) { pThis->Time = pSrc->Time; return VINF_SUCCESS; } return rc; } return VINF_SUCCESS; } RTDECL(void) RTAsn1Time_Delete(PRTASN1TIME pThis) { if ( pThis && RTAsn1Time_IsPresent(pThis)) { Assert(pThis->Asn1Core.pOps == &g_RTAsn1Time_Vtable); RTAsn1ContentFree(&pThis->Asn1Core); RT_ZERO(*pThis); } } RTDECL(int) RTAsn1Time_Enum(PRTASN1TIME pThis, PFNRTASN1ENUMCALLBACK pfnCallback, uint32_t uDepth, void *pvUser) { Assert(pThis && (!RTAsn1Time_IsPresent(pThis) || pThis->Asn1Core.pOps == &g_RTAsn1Time_Vtable)); /* No children to enumerate. */ return VINF_SUCCESS; } RTDECL(int) RTAsn1Time_Compare(PCRTASN1TIME pLeft, PCRTASN1TIME pRight) { Assert(pLeft && (!RTAsn1Time_IsPresent(pLeft) || pLeft->Asn1Core.pOps == &g_RTAsn1Time_Vtable)); Assert(pRight && (!RTAsn1Time_IsPresent(pRight) || pRight->Asn1Core.pOps == &g_RTAsn1Time_Vtable)); int iDiff; if (RTAsn1Time_IsPresent(pLeft)) { if (RTAsn1Time_IsPresent(pRight)) { RTTIMESPEC TsLeft; AssertReturn(RTTimeImplode(&TsLeft, &pLeft->Time), -1); RTTIMESPEC TsRight; AssertReturn(RTTimeImplode(&TsRight, &pRight->Time), 1); iDiff = RTTimeSpecCompare(&TsLeft, &TsRight); } else iDiff = -1; } else iDiff = 0 - (int)RTAsn1Time_IsPresent(pRight); return iDiff; } RTDECL(int) RTAsn1Time_CheckSanity(PCRTASN1TIME pThis, uint32_t fFlags, PRTERRINFO pErrInfo, const char *pszErrorTag) { if (RT_UNLIKELY(!RTAsn1Time_IsPresent(pThis))) return RTErrInfoSetF(pErrInfo, VERR_ASN1_NOT_PRESENT, "%s: Missing (TIME).", pszErrorTag); return VINF_SUCCESS; } /* * Generate code for the tag specific methods. * Note! This is very similar to what we're doing in asn1-ut-string.cpp. */ #define RTASN1TIME_IMPL(a_uTag, a_szTag, a_Api) \ \ RTDECL(int) RT_CONCAT(a_Api,_Init)(PRTASN1TIME pThis, PCRTASN1ALLOCATORVTABLE pAllocator) \ { \ return RTAsn1Time_InitEx(pThis, a_uTag, pAllocator); \ } \ \ RTDECL(int) RT_CONCAT(a_Api,_Clone)(PRTASN1TIME pThis, PCRTASN1TIME pSrc, PCRTASN1ALLOCATORVTABLE pAllocator) \ { \ AssertReturn(RTASN1CORE_GET_TAG(&pSrc->Asn1Core) == a_uTag || !RTAsn1Time_IsPresent(pSrc), \ VERR_ASN1_TIME_TAG_MISMATCH); \ return RTAsn1Time_Clone(pThis, pSrc, pAllocator); \ } \ \ RTDECL(void) RT_CONCAT(a_Api,_Delete)(PRTASN1TIME pThis) \ { \ Assert( !pThis \ || !RTAsn1Time_IsPresent(pThis) \ || ( pThis->Asn1Core.pOps == &g_RTAsn1Time_Vtable \ && RTASN1CORE_GET_TAG(&pThis->Asn1Core) == a_uTag) ); \ RTAsn1Time_Delete(pThis); \ } \ \ RTDECL(int) RT_CONCAT(a_Api,_Enum)(PRTASN1TIME pThis, PFNRTASN1ENUMCALLBACK pfnCallback, uint32_t uDepth, void *pvUser) \ { \ Assert( pThis \ && ( !RTAsn1Time_IsPresent(pThis) \ || ( pThis->Asn1Core.pOps == &g_RTAsn1Time_Vtable \ && RTASN1CORE_GET_TAG(&pThis->Asn1Core) == a_uTag) ) ); \ /* No children to enumerate. */ \ return VINF_SUCCESS; \ } \ \ RTDECL(int) RT_CONCAT(a_Api,_Compare)(PCRTASN1TIME pLeft, PCRTASN1TIME pRight) \ { \ int iDiff = RTAsn1Time_Compare(pLeft, pRight); \ if (!iDiff && RTAsn1Time_IsPresent(pLeft)) \ { \ if (RTASN1CORE_GET_TAG(&pLeft->Asn1Core) == RTASN1CORE_GET_TAG(&pRight->Asn1Core)) \ { \ if (RTASN1CORE_GET_TAG(&pLeft->Asn1Core) != a_uTag) \ iDiff = RTASN1CORE_GET_TAG(&pLeft->Asn1Core) < a_uTag ? -1 : 1; \ } \ else \ iDiff = RTASN1CORE_GET_TAG(&pLeft->Asn1Core) < RTASN1CORE_GET_TAG(&pRight->Asn1Core) ? -1 : 1; \ } \ return iDiff; \ } \ \ RTDECL(int) RT_CONCAT(a_Api,_CheckSanity)(PCRTASN1TIME pThis, uint32_t fFlags, \ PRTERRINFO pErrInfo, const char *pszErrorTag) \ { \ if (RTASN1CORE_GET_TAG(&pThis->Asn1Core) != a_uTag && RTAsn1Time_IsPresent(pThis)) \ return RTErrInfoSetF(pErrInfo, VERR_ASN1_TIME_TAG_MISMATCH, "%s: uTag=%#x, expected %#x (%s)", \ pszErrorTag, RTASN1CORE_GET_TAG(&pThis->Asn1Core), a_uTag, a_szTag); \ return RTAsn1Time_CheckSanity(pThis, fFlags, pErrInfo, pszErrorTag); \ } #include "asn1-ut-time-template2.h" /* * Generate code for the associated collection types. */ #define RTASN1TMPL_TEMPLATE_FILE "../common/asn1/asn1-ut-time-template.h" #include #include #include #include