1984 lines
57 KiB
C
1984 lines
57 KiB
C
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* Moved from secpkcs7.c
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*
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* $Id: crl.c,v 1.42 2004-04-25 15:03:03 gerv%gerv.net Exp $
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*/
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#include "cert.h"
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#include "certi.h"
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#include "secder.h"
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#include "secasn1.h"
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#include "secoid.h"
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#include "certdb.h"
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#include "certxutl.h"
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#include "prtime.h"
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#include "secerr.h"
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#include "pk11func.h"
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#include "dev.h"
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#include "dev3hack.h"
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#include "nssbase.h"
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#ifdef USE_RWLOCK
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#include "nssrwlk.h"
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#endif
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const SEC_ASN1Template SEC_CERTExtensionTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTCertExtension) },
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{ SEC_ASN1_OBJECT_ID,
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offsetof(CERTCertExtension,id) },
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{ SEC_ASN1_OPTIONAL | SEC_ASN1_BOOLEAN, /* XXX DER_DEFAULT */
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offsetof(CERTCertExtension,critical), },
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{ SEC_ASN1_OCTET_STRING,
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offsetof(CERTCertExtension,value) },
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{ 0, }
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};
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static const SEC_ASN1Template SEC_CERTExtensionsTemplate[] = {
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{ SEC_ASN1_SEQUENCE_OF, 0, SEC_CERTExtensionTemplate}
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};
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/*
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* XXX Also, these templates, especially the Krl/FORTEZZA ones, need to
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* be tested; Lisa did the obvious translation but they still should be
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* verified.
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*/
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const SEC_ASN1Template CERT_IssuerAndSNTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTIssuerAndSN) },
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{ SEC_ASN1_SAVE,
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offsetof(CERTIssuerAndSN,derIssuer) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTIssuerAndSN,issuer),
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CERT_NameTemplate },
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{ SEC_ASN1_INTEGER,
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offsetof(CERTIssuerAndSN,serialNumber) },
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{ 0 }
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};
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static const SEC_ASN1Template cert_KrlEntryTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTCrlEntry) },
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{ SEC_ASN1_OCTET_STRING,
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offsetof(CERTCrlEntry,serialNumber) },
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{ SEC_ASN1_UTC_TIME,
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offsetof(CERTCrlEntry,revocationDate) },
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{ 0 }
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};
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static const SEC_ASN1Template cert_KrlTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTCrl) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrl,signatureAlg),
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SECOID_AlgorithmIDTemplate },
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{ SEC_ASN1_SAVE,
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offsetof(CERTCrl,derName) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrl,name),
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CERT_NameTemplate },
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{ SEC_ASN1_UTC_TIME,
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offsetof(CERTCrl,lastUpdate) },
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{ SEC_ASN1_UTC_TIME,
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offsetof(CERTCrl,nextUpdate) },
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{ SEC_ASN1_OPTIONAL | SEC_ASN1_SEQUENCE_OF,
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offsetof(CERTCrl,entries),
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cert_KrlEntryTemplate },
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{ 0 }
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};
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static const SEC_ASN1Template cert_SignedKrlTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTSignedCrl) },
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{ SEC_ASN1_SAVE,
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offsetof(CERTSignedCrl,signatureWrap.data) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTSignedCrl,crl),
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cert_KrlTemplate },
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{ SEC_ASN1_INLINE,
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offsetof(CERTSignedCrl,signatureWrap.signatureAlgorithm),
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SECOID_AlgorithmIDTemplate },
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{ SEC_ASN1_BIT_STRING,
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offsetof(CERTSignedCrl,signatureWrap.signature) },
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{ 0 }
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};
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static const SEC_ASN1Template cert_CrlKeyTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTCrlKey) },
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{ SEC_ASN1_INTEGER | SEC_ASN1_OPTIONAL, offsetof(CERTCrlKey,dummy) },
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{ SEC_ASN1_SKIP },
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{ SEC_ASN1_ANY, offsetof(CERTCrlKey,derName) },
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{ SEC_ASN1_SKIP_REST },
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{ 0 }
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};
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static const SEC_ASN1Template cert_CrlEntryTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTCrlEntry) },
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{ SEC_ASN1_INTEGER,
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offsetof(CERTCrlEntry,serialNumber) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrlEntry,revocationDate), CERT_TimeChoiceTemplate },
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{ SEC_ASN1_OPTIONAL | SEC_ASN1_SEQUENCE_OF,
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offsetof(CERTCrlEntry, extensions),
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SEC_CERTExtensionTemplate},
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{ 0 }
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};
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const SEC_ASN1Template CERT_CrlTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTCrl) },
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{ SEC_ASN1_INTEGER | SEC_ASN1_OPTIONAL, offsetof (CERTCrl, version) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrl,signatureAlg),
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SECOID_AlgorithmIDTemplate },
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{ SEC_ASN1_SAVE,
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offsetof(CERTCrl,derName) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrl,name),
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CERT_NameTemplate },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrl,lastUpdate), CERT_TimeChoiceTemplate },
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{ SEC_ASN1_INLINE | SEC_ASN1_OPTIONAL,
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offsetof(CERTCrl,nextUpdate), CERT_TimeChoiceTemplate },
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{ SEC_ASN1_OPTIONAL | SEC_ASN1_SEQUENCE_OF,
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offsetof(CERTCrl,entries),
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cert_CrlEntryTemplate },
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{ SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
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SEC_ASN1_EXPLICIT | 0,
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offsetof(CERTCrl,extensions),
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SEC_CERTExtensionsTemplate},
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{ 0 }
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};
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const SEC_ASN1Template CERT_CrlTemplateNoEntries[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTCrl) },
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{ SEC_ASN1_INTEGER | SEC_ASN1_OPTIONAL, offsetof (CERTCrl, version) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrl,signatureAlg),
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SECOID_AlgorithmIDTemplate },
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{ SEC_ASN1_SAVE,
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offsetof(CERTCrl,derName) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrl,name),
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CERT_NameTemplate },
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{ SEC_ASN1_INLINE,
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offsetof(CERTCrl,lastUpdate), CERT_TimeChoiceTemplate },
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{ SEC_ASN1_INLINE | SEC_ASN1_OPTIONAL,
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offsetof(CERTCrl,nextUpdate), CERT_TimeChoiceTemplate },
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{ SEC_ASN1_OPTIONAL | SEC_ASN1_SEQUENCE_OF |
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SEC_ASN1_SKIP }, /* skip entries */
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{ SEC_ASN1_OPTIONAL | SEC_ASN1_CONSTRUCTED | SEC_ASN1_CONTEXT_SPECIFIC |
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SEC_ASN1_EXPLICIT | 0,
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offsetof(CERTCrl,extensions),
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SEC_CERTExtensionsTemplate },
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{ 0 }
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};
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const SEC_ASN1Template CERT_CrlTemplateEntriesOnly[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTCrl) },
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{ SEC_ASN1_SKIP | SEC_ASN1_INTEGER | SEC_ASN1_OPTIONAL },
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{ SEC_ASN1_SKIP },
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{ SEC_ASN1_SKIP },
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{ SEC_ASN1_SKIP | SEC_ASN1_INLINE,
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offsetof(CERTCrl,lastUpdate), CERT_TimeChoiceTemplate },
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{ SEC_ASN1_SKIP | SEC_ASN1_INLINE | SEC_ASN1_OPTIONAL,
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offsetof(CERTCrl,nextUpdate), CERT_TimeChoiceTemplate },
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{ SEC_ASN1_OPTIONAL | SEC_ASN1_SEQUENCE_OF,
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offsetof(CERTCrl,entries),
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cert_CrlEntryTemplate }, /* decode entries */
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{ SEC_ASN1_SKIP_REST },
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{ 0 }
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};
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static const SEC_ASN1Template cert_SignedCrlTemplate[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTSignedCrl) },
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{ SEC_ASN1_SAVE,
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offsetof(CERTSignedCrl,signatureWrap.data) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTSignedCrl,crl),
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CERT_CrlTemplate },
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{ SEC_ASN1_INLINE,
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offsetof(CERTSignedCrl,signatureWrap.signatureAlgorithm),
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SECOID_AlgorithmIDTemplate },
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{ SEC_ASN1_BIT_STRING,
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offsetof(CERTSignedCrl,signatureWrap.signature) },
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{ 0 }
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};
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static const SEC_ASN1Template cert_SignedCrlTemplateNoEntries[] = {
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{ SEC_ASN1_SEQUENCE,
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0, NULL, sizeof(CERTSignedCrl) },
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{ SEC_ASN1_SAVE,
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offsetof(CERTSignedCrl,signatureWrap.data) },
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{ SEC_ASN1_INLINE,
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offsetof(CERTSignedCrl,crl),
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CERT_CrlTemplateNoEntries },
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{ SEC_ASN1_INLINE,
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offsetof(CERTSignedCrl,signatureWrap.signatureAlgorithm),
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SECOID_AlgorithmIDTemplate },
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{ SEC_ASN1_BIT_STRING,
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offsetof(CERTSignedCrl,signatureWrap.signature) },
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{ 0 }
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};
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const SEC_ASN1Template CERT_SetOfSignedCrlTemplate[] = {
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{ SEC_ASN1_SET_OF, 0, cert_SignedCrlTemplate },
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};
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/* get CRL version */
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int cert_get_crl_version(CERTCrl * crl)
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{
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/* CRL version is defaulted to v1 */
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int version = SEC_CRL_VERSION_1;
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if (crl && crl->version.data != 0) {
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version = (int)DER_GetUInteger (&crl->version);
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}
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return version;
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}
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/* check the entries in the CRL */
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SECStatus cert_check_crl_entries (CERTCrl *crl)
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{
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CERTCrlEntry **entries;
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CERTCrlEntry *entry;
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PRBool hasCriticalExten = PR_FALSE;
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SECStatus rv = SECSuccess;
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if (!crl) {
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return SECFailure;
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}
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if (crl->entries == NULL) {
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/* CRLs with no entries are valid */
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return (SECSuccess);
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}
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/* Look in the crl entry extensions. If there is a critical extension,
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then the crl version must be v2; otherwise, it should be v1.
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*/
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entries = crl->entries;
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while (*entries) {
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entry = *entries;
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if (entry->extensions) {
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/* If there is a critical extension in the entries, then the
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CRL must be of version 2. If we already saw a critical extension,
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there is no need to check the version again.
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*/
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if (hasCriticalExten == PR_FALSE) {
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hasCriticalExten = cert_HasCriticalExtension (entry->extensions);
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if (hasCriticalExten) {
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if (cert_get_crl_version(crl) != SEC_CRL_VERSION_2) {
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/* only CRL v2 critical extensions are supported */
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PORT_SetError(SEC_ERROR_CRL_V1_CRITICAL_EXTENSION);
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rv = SECFailure;
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break;
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}
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}
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}
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/* For each entry, make sure that it does not contain an unknown
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critical extension. If it does, we must reject the CRL since
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we don't know how to process the extension.
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*/
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if (cert_HasUnknownCriticalExten (entry->extensions) == PR_TRUE) {
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PORT_SetError (SEC_ERROR_CRL_UNKNOWN_CRITICAL_EXTENSION);
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rv = SECFailure;
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break;
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}
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}
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++entries;
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}
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return(rv);
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}
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/* Check the version of the CRL. If there is a critical extension in the crl
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or crl entry, then the version must be v2. Otherwise, it should be v1. If
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the crl contains critical extension(s), then we must recognized the extension's
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OID.
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*/
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SECStatus cert_check_crl_version (CERTCrl *crl)
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{
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PRBool hasCriticalExten = PR_FALSE;
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int version = cert_get_crl_version(crl);
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if (version > SEC_CRL_VERSION_2) {
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PORT_SetError (SEC_ERROR_CRL_INVALID_VERSION);
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return (SECFailure);
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}
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/* Check the crl extensions for a critial extension. If one is found,
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and the version is not v2, then we are done.
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*/
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if (crl->extensions) {
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hasCriticalExten = cert_HasCriticalExtension (crl->extensions);
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if (hasCriticalExten) {
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if (version != SEC_CRL_VERSION_2) {
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/* only CRL v2 critical extensions are supported */
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PORT_SetError(SEC_ERROR_CRL_V1_CRITICAL_EXTENSION);
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return (SECFailure);
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}
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/* make sure that there is no unknown critical extension */
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if (cert_HasUnknownCriticalExten (crl->extensions) == PR_TRUE) {
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PORT_SetError (SEC_ERROR_CRL_UNKNOWN_CRITICAL_EXTENSION);
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return (SECFailure);
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}
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}
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}
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return (SECSuccess);
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}
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/*
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* Generate a database key, based on the issuer name from a
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* DER crl.
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*/
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SECStatus
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CERT_KeyFromDERCrl(PRArenaPool *arena, SECItem *derCrl, SECItem *key)
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{
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SECStatus rv;
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CERTSignedData sd;
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CERTCrlKey crlkey;
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PORT_Memset (&sd, 0, sizeof (sd));
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rv = SEC_ASN1DecodeItem (arena, &sd, CERT_SignedDataTemplate, derCrl);
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if (rv != SECSuccess) {
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return rv;
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}
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PORT_Memset (&crlkey, 0, sizeof (crlkey));
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rv = SEC_ASN1DecodeItem(arena, &crlkey, cert_CrlKeyTemplate, &sd.data);
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if (rv != SECSuccess) {
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return rv;
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}
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key->len = crlkey.derName.len;
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key->data = crlkey.derName.data;
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return(SECSuccess);
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}
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#define GetOpaqueCRLFields(x) ((OpaqueCRLFields*)x->opaque)
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SECStatus CERT_CompleteCRLDecodeEntries(CERTSignedCrl* crl)
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{
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SECStatus rv = SECSuccess;
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SECItem* crldata = NULL;
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OpaqueCRLFields* extended = NULL;
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if ( (!crl) ||
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(!(extended = (OpaqueCRLFields*) crl->opaque)) ) {
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rv = SECFailure;
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} else {
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if (PR_FALSE == extended->partial) {
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/* the CRL has already been fully decoded */
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return SECSuccess;
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}
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if (PR_TRUE == extended->badEntries) {
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/* the entries decoding already failed */
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return SECFailure;
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}
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crldata = &crl->signatureWrap.data;
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if (!crldata) {
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rv = SECFailure;
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}
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}
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if (SECSuccess == rv) {
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rv = SEC_QuickDERDecodeItem(crl->arena,
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&crl->crl,
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CERT_CrlTemplateEntriesOnly,
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crldata);
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if (SECSuccess == rv) {
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extended->partial = PR_FALSE; /* successful decode, avoid
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decoding again */
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} else {
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extended->bad = PR_TRUE;
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extended->badEntries = PR_TRUE;
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/* cache the decoding failure. If it fails the first time,
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it will fail again, which will grow the arena and leak
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memory, so we want to avoid it */
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}
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rv = cert_check_crl_entries(&crl->crl);
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if (rv != SECSuccess) {
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extended->badExtensions = PR_TRUE;
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}
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}
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return rv;
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}
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/*
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* take a DER CRL or KRL and decode it into a CRL structure
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* allow reusing the input DER without making a copy
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*/
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CERTSignedCrl *
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CERT_DecodeDERCrlWithFlags(PRArenaPool *narena, SECItem *derSignedCrl,
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int type, PRInt32 options)
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{
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PRArenaPool *arena;
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CERTSignedCrl *crl;
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SECStatus rv;
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OpaqueCRLFields* extended = NULL;
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const SEC_ASN1Template* crlTemplate = cert_SignedCrlTemplate;
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/* make a new arena */
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if (narena == NULL) {
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arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
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if ( !arena ) {
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return NULL;
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}
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} else {
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arena = narena;
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}
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/* allocate the CRL structure */
|
|
crl = (CERTSignedCrl *)PORT_ArenaZAlloc(arena, sizeof(CERTSignedCrl));
|
|
if ( !crl ) {
|
|
PORT_SetError(SEC_ERROR_NO_MEMORY);
|
|
goto loser;
|
|
}
|
|
|
|
crl->arena = arena;
|
|
|
|
/* allocate opaque fields */
|
|
crl->opaque = (void*)PORT_ArenaZAlloc(arena, sizeof(OpaqueCRLFields));
|
|
if ( !crl->opaque ) {
|
|
goto loser;
|
|
}
|
|
extended = (OpaqueCRLFields*) crl->opaque;
|
|
|
|
if (options & CRL_DECODE_DONT_COPY_DER) {
|
|
crl->derCrl = derSignedCrl; /* DER is not copied . The application
|
|
must keep derSignedCrl until it
|
|
destroys the CRL */
|
|
} else {
|
|
crl->derCrl = (SECItem *)PORT_ArenaZAlloc(arena,sizeof(SECItem));
|
|
if (crl->derCrl == NULL) {
|
|
goto loser;
|
|
}
|
|
rv = SECITEM_CopyItem(arena, crl->derCrl, derSignedCrl);
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
}
|
|
|
|
/* Save the arena in the inner crl for CRL extensions support */
|
|
crl->crl.arena = arena;
|
|
if (options & CRL_DECODE_SKIP_ENTRIES) {
|
|
crlTemplate = cert_SignedCrlTemplateNoEntries;
|
|
extended->partial = PR_TRUE;
|
|
}
|
|
|
|
/* decode the CRL info */
|
|
switch (type) {
|
|
case SEC_CRL_TYPE:
|
|
rv = SEC_QuickDERDecodeItem(arena, crl, crlTemplate, crl->derCrl);
|
|
if (rv != SECSuccess) {
|
|
extended->badDER = PR_TRUE;
|
|
break;
|
|
}
|
|
/* check for critical extensions */
|
|
rv = cert_check_crl_version (&crl->crl);
|
|
if (rv != SECSuccess) {
|
|
extended->badExtensions = PR_TRUE;
|
|
break;
|
|
}
|
|
|
|
if (PR_TRUE == extended->partial) {
|
|
/* partial decoding, don't verify entries */
|
|
break;
|
|
}
|
|
|
|
rv = cert_check_crl_entries(&crl->crl);
|
|
if (rv != SECSuccess) {
|
|
extended->badExtensions = PR_TRUE;
|
|
}
|
|
|
|
break;
|
|
|
|
case SEC_KRL_TYPE:
|
|
rv = SEC_QuickDERDecodeItem
|
|
(arena, crl, cert_SignedKrlTemplate, derSignedCrl);
|
|
break;
|
|
default:
|
|
rv = SECFailure;
|
|
break;
|
|
}
|
|
|
|
if (rv != SECSuccess) {
|
|
goto loser;
|
|
}
|
|
|
|
crl->referenceCount = 1;
|
|
|
|
return(crl);
|
|
|
|
loser:
|
|
if (options & CRL_DECODE_KEEP_BAD_CRL) {
|
|
extended->bad = PR_TRUE;
|
|
crl->referenceCount = 1;
|
|
return(crl);
|
|
}
|
|
|
|
if ((narena == NULL) && arena ) {
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
}
|
|
|
|
return(0);
|
|
}
|
|
|
|
/*
|
|
* take a DER CRL or KRL and decode it into a CRL structure
|
|
*/
|
|
CERTSignedCrl *
|
|
CERT_DecodeDERCrl(PRArenaPool *narena, SECItem *derSignedCrl, int type)
|
|
{
|
|
return CERT_DecodeDERCrlWithFlags(narena, derSignedCrl, type, CRL_DECODE_DEFAULT_OPTIONS);
|
|
}
|
|
|
|
/*
|
|
* Lookup a CRL in the databases. We mirror the same fast caching data base
|
|
* caching stuff used by certificates....?
|
|
* return values :
|
|
*
|
|
* SECSuccess means we got a valid DER CRL (passed in "decoded"), or no CRL at all
|
|
*
|
|
* SECFailure means we got a fatal error - most likely, we found a CRL,
|
|
* and it failed decoding, or there was an out of memory error. Do NOT ignore
|
|
* it and specifically do NOT treat it the same as having no CRL, as this
|
|
* can compromise security !!! Ideally, you should treat this case as if you
|
|
* received a "catch-all" CRL where all certs you were looking up are
|
|
* considered to be revoked
|
|
*/
|
|
static SECStatus
|
|
SEC_FindCrlByKeyOnSlot(PK11SlotInfo *slot, SECItem *crlKey, int type,
|
|
CERTSignedCrl** decoded, PRInt32 decodeoptions)
|
|
{
|
|
SECStatus rv = SECSuccess;
|
|
CERTSignedCrl *crl = NULL;
|
|
SECItem *derCrl = NULL;
|
|
CK_OBJECT_HANDLE crlHandle = 0;
|
|
char *url = NULL;
|
|
int nsserror;
|
|
|
|
PORT_Assert(decoded);
|
|
if (!decoded) {
|
|
PORT_SetError(SEC_ERROR_INVALID_ARGS);
|
|
return SECFailure;
|
|
}
|
|
|
|
/* XXX it would be really useful to be able to fetch the CRL directly into an
|
|
arena. This would avoid a copy later on in the decode step */
|
|
PORT_SetError(0);
|
|
derCrl = PK11_FindCrlByName(&slot, &crlHandle, crlKey, type, &url);
|
|
if (derCrl == NULL) {
|
|
/* if we had a problem other than the CRL just didn't exist, return
|
|
* a failure to the upper level */
|
|
nsserror = PORT_GetError();
|
|
if ((nsserror != 0) && (nsserror != SEC_ERROR_CRL_NOT_FOUND)) {
|
|
rv = SECFailure;
|
|
}
|
|
goto loser;
|
|
}
|
|
PORT_Assert(crlHandle != CK_INVALID_HANDLE);
|
|
/* PK11_FindCrlByName obtained a slot reference. */
|
|
|
|
crl = CERT_DecodeDERCrlWithFlags(NULL, derCrl, type, decodeoptions);
|
|
if (crl) {
|
|
crl->slot = slot;
|
|
slot = NULL; /* adopt it */
|
|
crl->pkcs11ID = crlHandle;
|
|
if (url) {
|
|
crl->url = PORT_ArenaStrdup(crl->arena,url);
|
|
}
|
|
} else {
|
|
rv = SECFailure;
|
|
}
|
|
|
|
if (url) {
|
|
PORT_Free(url);
|
|
}
|
|
|
|
if (slot) {
|
|
PK11_FreeSlot(slot);
|
|
}
|
|
|
|
loser:
|
|
if (derCrl) {
|
|
/* destroy the DER, unless a decoded CRL was returned with DER
|
|
allocated on the heap. This is solely for cache purposes */
|
|
if (crl && (decodeoptions & CRL_DECODE_DONT_COPY_DER)) {
|
|
/* mark the DER as having come from the heap instead of the
|
|
arena, so it can be destroyed */
|
|
GetOpaqueCRLFields(crl)->heapDER = PR_TRUE;
|
|
} else {
|
|
SECITEM_FreeItem(derCrl, PR_TRUE);
|
|
}
|
|
}
|
|
|
|
*decoded = crl;
|
|
|
|
return rv;
|
|
}
|
|
|
|
SECStatus SEC_DestroyCrl(CERTSignedCrl *crl);
|
|
|
|
CERTSignedCrl *
|
|
crl_storeCRL (PK11SlotInfo *slot,char *url,
|
|
CERTSignedCrl *newCrl, SECItem *derCrl, int type)
|
|
{
|
|
CERTSignedCrl *oldCrl = NULL, *crl = NULL;
|
|
PRBool deleteOldCrl = PR_FALSE;
|
|
CK_OBJECT_HANDLE crlHandle = CK_INVALID_HANDLE;
|
|
|
|
PORT_Assert(newCrl);
|
|
PORT_Assert(derCrl);
|
|
|
|
/* we can't use the cache here because we must look in the same
|
|
token */
|
|
SEC_FindCrlByKeyOnSlot(slot, &newCrl->crl.derName, type,
|
|
&oldCrl, CRL_DECODE_SKIP_ENTRIES);
|
|
|
|
/* if there is an old crl on the token, make sure the one we are
|
|
installing is newer. If not, exit out, otherwise delete the
|
|
old crl.
|
|
*/
|
|
if (oldCrl != NULL) {
|
|
/* if it's already there, quietly continue */
|
|
if (SECITEM_CompareItem(newCrl->derCrl, oldCrl->derCrl)
|
|
== SECEqual) {
|
|
crl = newCrl;
|
|
crl->slot = PK11_ReferenceSlot(slot);
|
|
crl->pkcs11ID = oldCrl->pkcs11ID;
|
|
goto done;
|
|
}
|
|
if (!SEC_CrlIsNewer(&newCrl->crl,&oldCrl->crl)) {
|
|
|
|
if (type == SEC_CRL_TYPE) {
|
|
PORT_SetError(SEC_ERROR_OLD_CRL);
|
|
} else {
|
|
PORT_SetError(SEC_ERROR_OLD_KRL);
|
|
}
|
|
|
|
goto done;
|
|
}
|
|
|
|
if ((SECITEM_CompareItem(&newCrl->crl.derName,
|
|
&oldCrl->crl.derName) != SECEqual) &&
|
|
(type == SEC_KRL_TYPE) ) {
|
|
|
|
PORT_SetError(SEC_ERROR_CKL_CONFLICT);
|
|
goto done;
|
|
}
|
|
|
|
/* if we have a url in the database, use that one */
|
|
if (oldCrl->url) {
|
|
url = oldCrl->url;
|
|
}
|
|
|
|
/* really destroy this crl */
|
|
/* first drum it out of the permanment Data base */
|
|
deleteOldCrl = PR_TRUE;
|
|
}
|
|
|
|
/* invalidate CRL cache for this issuer */
|
|
CERT_CRLCacheRefreshIssuer(NULL, &newCrl->crl.derName);
|
|
/* Write the new entry into the data base */
|
|
crlHandle = PK11_PutCrl(slot, derCrl, &newCrl->crl.derName, url, type);
|
|
if (crlHandle != CK_INVALID_HANDLE) {
|
|
crl = newCrl;
|
|
crl->slot = PK11_ReferenceSlot(slot);
|
|
crl->pkcs11ID = crlHandle;
|
|
if (url) {
|
|
crl->url = PORT_ArenaStrdup(crl->arena,url);
|
|
}
|
|
}
|
|
|
|
done:
|
|
if (oldCrl) {
|
|
if (deleteOldCrl && crlHandle != CK_INVALID_HANDLE) {
|
|
SEC_DeletePermCRL(oldCrl);
|
|
}
|
|
SEC_DestroyCrl(oldCrl);
|
|
}
|
|
|
|
return crl;
|
|
}
|
|
|
|
/*
|
|
*
|
|
* create a new CRL from DER material.
|
|
*
|
|
* The signature on this CRL must be checked before you
|
|
* load it. ???
|
|
*/
|
|
CERTSignedCrl *
|
|
SEC_NewCrl(CERTCertDBHandle *handle, char *url, SECItem *derCrl, int type)
|
|
{
|
|
CERTSignedCrl* retCrl = NULL;
|
|
PK11SlotInfo* slot = PK11_GetInternalKeySlot();
|
|
retCrl = PK11_ImportCRL(slot, derCrl, url, type, NULL,
|
|
CRL_IMPORT_BYPASS_CHECKS, NULL, CRL_DECODE_DEFAULT_OPTIONS);
|
|
PK11_FreeSlot(slot);
|
|
|
|
return retCrl;
|
|
}
|
|
|
|
CERTSignedCrl *
|
|
SEC_FindCrlByDERCert(CERTCertDBHandle *handle, SECItem *derCrl, int type)
|
|
{
|
|
PRArenaPool *arena;
|
|
SECItem crlKey;
|
|
SECStatus rv;
|
|
CERTSignedCrl *crl = NULL;
|
|
|
|
/* create a scratch arena */
|
|
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
|
|
if ( arena == NULL ) {
|
|
return(NULL);
|
|
}
|
|
|
|
/* extract the database key from the cert */
|
|
rv = CERT_KeyFromDERCrl(arena, derCrl, &crlKey);
|
|
if ( rv != SECSuccess ) {
|
|
goto loser;
|
|
}
|
|
|
|
/* find the crl */
|
|
crl = SEC_FindCrlByName(handle, &crlKey, type);
|
|
|
|
loser:
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
return(crl);
|
|
}
|
|
|
|
CERTSignedCrl* SEC_DupCrl(CERTSignedCrl* acrl)
|
|
{
|
|
if (acrl)
|
|
{
|
|
PR_AtomicIncrement(&acrl->referenceCount);
|
|
return acrl;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
SECStatus
|
|
SEC_DestroyCrl(CERTSignedCrl *crl)
|
|
{
|
|
if (crl) {
|
|
if (PR_AtomicDecrement(&crl->referenceCount) < 1) {
|
|
if (crl->slot) {
|
|
PK11_FreeSlot(crl->slot);
|
|
}
|
|
if (PR_TRUE == GetOpaqueCRLFields(crl)->heapDER) {
|
|
SECITEM_FreeItem(crl->derCrl, PR_TRUE);
|
|
}
|
|
PORT_FreeArena(crl->arena, PR_FALSE);
|
|
}
|
|
}
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus
|
|
SEC_LookupCrls(CERTCertDBHandle *handle, CERTCrlHeadNode **nodes, int type)
|
|
{
|
|
CERTCrlHeadNode *head;
|
|
PRArenaPool *arena = NULL;
|
|
SECStatus rv;
|
|
|
|
*nodes = NULL;
|
|
|
|
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
|
|
if ( arena == NULL ) {
|
|
return SECFailure;
|
|
}
|
|
|
|
/* build a head structure */
|
|
head = (CERTCrlHeadNode *)PORT_ArenaAlloc(arena, sizeof(CERTCrlHeadNode));
|
|
head->arena = arena;
|
|
head->first = NULL;
|
|
head->last = NULL;
|
|
head->dbhandle = handle;
|
|
|
|
/* Look up the proper crl types */
|
|
*nodes = head;
|
|
|
|
rv = PK11_LookupCrls(head, type, NULL);
|
|
|
|
if (rv != SECSuccess) {
|
|
if ( arena ) {
|
|
PORT_FreeArena(arena, PR_FALSE);
|
|
*nodes = NULL;
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
/* These functions simply return the address of the above-declared templates.
|
|
** This is necessary for Windows DLLs. Sigh.
|
|
*/
|
|
SEC_ASN1_CHOOSER_IMPLEMENT(CERT_IssuerAndSNTemplate)
|
|
SEC_ASN1_CHOOSER_IMPLEMENT(CERT_CrlTemplate)
|
|
SEC_ASN1_CHOOSER_IMPLEMENT(CERT_SetOfSignedCrlTemplate)
|
|
|
|
/*
|
|
** Pre-allocator hash allocator ops.
|
|
*/
|
|
static void * PR_CALLBACK
|
|
PreAllocTable(void *pool, PRSize size)
|
|
{
|
|
PreAllocator* alloc = (PreAllocator*)pool;
|
|
PR_ASSERT(alloc);
|
|
if (!alloc)
|
|
{
|
|
/* no allocator, or buffer full */
|
|
return NULL;
|
|
}
|
|
if (size > (alloc->len - alloc->used))
|
|
{
|
|
alloc->extra += size;
|
|
return PORT_ArenaAlloc(alloc->arena, size);
|
|
}
|
|
alloc->used += size;
|
|
return (char*) alloc->data + alloc->used - size;
|
|
}
|
|
|
|
static void PR_CALLBACK
|
|
PreFreeTable(void *pool, void *item)
|
|
{
|
|
}
|
|
|
|
static PLHashEntry * PR_CALLBACK
|
|
PreAllocEntry(void *pool, const void *key)
|
|
{
|
|
return PreAllocTable(pool, sizeof(PLHashEntry));
|
|
}
|
|
|
|
static void PR_CALLBACK
|
|
PreFreeEntry(void *pool, PLHashEntry *he, PRUintn flag)
|
|
{
|
|
}
|
|
|
|
static PLHashAllocOps preAllocOps = {
|
|
PreAllocTable, PreFreeTable,
|
|
PreAllocEntry, PreFreeEntry
|
|
};
|
|
|
|
void PreAllocator_Destroy(PreAllocator* PreAllocator)
|
|
{
|
|
if (!PreAllocator)
|
|
{
|
|
return;
|
|
}
|
|
if (PreAllocator->arena)
|
|
{
|
|
PORT_FreeArena(PreAllocator->arena, PR_TRUE);
|
|
}
|
|
if (PreAllocator->data)
|
|
{
|
|
PORT_Free(PreAllocator->data);
|
|
}
|
|
PORT_Free(PreAllocator);
|
|
}
|
|
|
|
PreAllocator* PreAllocator_Create(PRSize size)
|
|
{
|
|
PreAllocator prebuffer;
|
|
PreAllocator* prepointer = NULL;
|
|
memset(&prebuffer, 0, sizeof(PreAllocator));
|
|
prebuffer.len = size;
|
|
prebuffer.arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
|
|
PR_ASSERT(prebuffer.arena);
|
|
if (!prebuffer.arena) {
|
|
PreAllocator_Destroy(&prebuffer);
|
|
return NULL;
|
|
}
|
|
if (prebuffer.len) {
|
|
prebuffer.data = PR_Malloc(prebuffer.len);
|
|
if (!prebuffer.data) {
|
|
PreAllocator_Destroy(&prebuffer);
|
|
return NULL;
|
|
}
|
|
} else {
|
|
prebuffer.data = NULL;
|
|
}
|
|
prepointer = (PreAllocator*)PR_Malloc(sizeof(PreAllocator));
|
|
if (!prepointer) {
|
|
PreAllocator_Destroy(&prebuffer);
|
|
return NULL;
|
|
}
|
|
*prepointer = prebuffer;
|
|
return prepointer;
|
|
}
|
|
|
|
static CRLCache crlcache = { NULL, NULL };
|
|
|
|
static PRBool crlcache_initialized = PR_FALSE;
|
|
|
|
/* this needs to be called at NSS initialization time */
|
|
|
|
SECStatus InitCRLCache(void)
|
|
{
|
|
if (PR_FALSE == crlcache_initialized)
|
|
{
|
|
PR_ASSERT(NULL == crlcache.lock);
|
|
crlcache.lock = PR_NewLock();
|
|
if (!crlcache.lock)
|
|
{
|
|
return SECFailure;
|
|
}
|
|
PR_ASSERT(NULL == crlcache.issuers);
|
|
crlcache.issuers = PL_NewHashTable(0, SECITEM_Hash, SECITEM_HashCompare,
|
|
PL_CompareValues, NULL, NULL);
|
|
if (!crlcache.issuers)
|
|
{
|
|
PR_DestroyLock(crlcache.lock);
|
|
crlcache.lock = NULL;
|
|
return SECFailure;
|
|
}
|
|
crlcache_initialized = PR_TRUE;
|
|
return SECSuccess;
|
|
}
|
|
else
|
|
{
|
|
PR_ASSERT(crlcache.lock);
|
|
PR_ASSERT(crlcache.issuers);
|
|
if ( (NULL == crlcache.lock) || (NULL == crlcache.issuers) )
|
|
{
|
|
return SECFailure;
|
|
}
|
|
else
|
|
{
|
|
return SECSuccess;
|
|
}
|
|
}
|
|
}
|
|
|
|
SECStatus DPCache_Destroy(CRLDPCache* cache)
|
|
{
|
|
PRUint32 i = 0;
|
|
PR_ASSERT(cache);
|
|
if (!cache) {
|
|
return SECFailure;
|
|
}
|
|
if (cache->lock)
|
|
{
|
|
#ifdef USE_RWLOCK
|
|
NSSRWLock_Destroy(cache->lock);
|
|
#else
|
|
PR_DestroyLock(cache->lock);
|
|
#endif
|
|
}
|
|
/* destroy all our CRL objects */
|
|
for (i=0;i<cache->ncrls;i++)
|
|
{
|
|
SEC_DestroyCrl(cache->crls[i]);
|
|
}
|
|
/* free the array of CRLs */
|
|
if (cache->crls)
|
|
{
|
|
PR_Free(cache->crls);
|
|
}
|
|
/* destroy the hash table */
|
|
if (cache->entries)
|
|
{
|
|
PL_HashTableDestroy(cache->entries);
|
|
}
|
|
/* free the pre buffer */
|
|
if (cache->prebuffer)
|
|
{
|
|
PreAllocator_Destroy(cache->prebuffer);
|
|
}
|
|
/* destroy the cert */
|
|
if (cache->issuer)
|
|
{
|
|
CERT_DestroyCertificate(cache->issuer);
|
|
}
|
|
/* free the subject */
|
|
if (cache->subject)
|
|
{
|
|
SECITEM_FreeItem(cache->subject, PR_TRUE);
|
|
}
|
|
/* free the distribution points */
|
|
if (cache->distributionPoint)
|
|
{
|
|
SECITEM_FreeItem(cache->distributionPoint, PR_TRUE);
|
|
}
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus IssuerCache_Destroy(CRLIssuerCache* cache)
|
|
{
|
|
PORT_Assert(cache);
|
|
if (!cache)
|
|
{
|
|
return SECFailure;
|
|
}
|
|
#if 0
|
|
/* XCRL */
|
|
if (cache->lock)
|
|
{
|
|
NSSRWLock_Destroy(cache->lock);
|
|
}
|
|
if (cache->issuer)
|
|
{
|
|
CERT_DestroyCertificate(cache->issuer);
|
|
}
|
|
#endif
|
|
/* free the subject */
|
|
if (cache->subject)
|
|
{
|
|
SECITEM_FreeItem(cache->subject, PR_TRUE);
|
|
}
|
|
DPCache_Destroy(&cache->dp);
|
|
PR_Free(cache);
|
|
return SECSuccess;
|
|
}
|
|
|
|
PRIntn PR_CALLBACK FreeIssuer(PLHashEntry *he, PRIntn i, void *arg)
|
|
{
|
|
CRLIssuerCache* issuer = NULL;
|
|
PR_ASSERT(he);
|
|
if (!he) {
|
|
return HT_ENUMERATE_NEXT;
|
|
}
|
|
issuer = (CRLIssuerCache*) he->value;
|
|
PR_ASSERT(issuer);
|
|
if (issuer) {
|
|
IssuerCache_Destroy(issuer);
|
|
}
|
|
return HT_ENUMERATE_NEXT;
|
|
}
|
|
|
|
SECStatus ShutdownCRLCache(void)
|
|
{
|
|
if (!crlcache.lock || !crlcache.issuers)
|
|
{
|
|
return SECFailure;
|
|
}
|
|
/* empty the cache */
|
|
PL_HashTableEnumerateEntries(crlcache.issuers, &FreeIssuer, NULL);
|
|
PL_HashTableDestroy(crlcache.issuers);
|
|
crlcache.issuers = NULL;
|
|
PR_DestroyLock(crlcache.lock);
|
|
crlcache.lock = NULL;
|
|
crlcache_initialized = PR_FALSE;
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus DPCache_AddCRL(CRLDPCache* cache, CERTSignedCrl* crl)
|
|
{
|
|
CERTSignedCrl** newcrls = NULL;
|
|
PORT_Assert(cache);
|
|
PORT_Assert(crl);
|
|
if (!cache || !crl) {
|
|
return SECFailure;
|
|
}
|
|
|
|
newcrls = (CERTSignedCrl**)PORT_Realloc(cache->crls,
|
|
(cache->ncrls+1)*sizeof(CERTSignedCrl*));
|
|
if (!newcrls) {
|
|
return SECFailure;
|
|
}
|
|
cache->crls = newcrls;
|
|
cache->ncrls++;
|
|
cache->crls[cache->ncrls-1] = crl;
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus DPCache_Cleanup(CRLDPCache* cache)
|
|
{
|
|
/* remove deleted CRLs from memory */
|
|
PRUint32 i = 0;
|
|
PORT_Assert(cache);
|
|
if (!cache) {
|
|
return SECFailure;
|
|
}
|
|
for (i=0;i<cache->ncrls;i++) {
|
|
CERTSignedCrl* acrl = cache->crls[i];
|
|
if (acrl && (PR_TRUE == GetOpaqueCRLFields(acrl)->deleted)) {
|
|
cache->crls[i] = cache->crls[cache->ncrls-1];
|
|
cache->crls[cache->ncrls-1] = NULL;
|
|
cache->ncrls--;
|
|
}
|
|
}
|
|
return SECSuccess;
|
|
}
|
|
|
|
PRBool CRLStillExists(CERTSignedCrl* crl)
|
|
{
|
|
NSSItem newsubject;
|
|
SECItem subject;
|
|
CK_ULONG crl_class;
|
|
PRStatus status;
|
|
PK11SlotInfo* slot = NULL;
|
|
nssCryptokiObject instance;
|
|
NSSArena* arena;
|
|
PRBool xstatus = PR_TRUE;
|
|
SECItem* oldSubject = NULL;
|
|
|
|
PORT_Assert(crl);
|
|
if (!crl) {
|
|
return PR_FALSE;
|
|
}
|
|
slot = crl->slot;
|
|
PORT_Assert(slot);
|
|
if (!slot) {
|
|
return PR_FALSE;
|
|
}
|
|
oldSubject = &crl->crl.derName;
|
|
PR_ASSERT(oldSubject);
|
|
if (!oldSubject) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
/* query subject and type attributes in order to determine if the
|
|
object has been deleted */
|
|
|
|
/* first, make an nssCryptokiObject */
|
|
instance.handle = crl->pkcs11ID;
|
|
PORT_Assert(instance.handle);
|
|
if (!instance.handle) {
|
|
return PR_FALSE;
|
|
}
|
|
instance.token = PK11Slot_GetNSSToken(slot);
|
|
PORT_Assert(instance.token);
|
|
if (!instance.token) {
|
|
return PR_FALSE;
|
|
}
|
|
instance.isTokenObject = PR_TRUE;
|
|
instance.label = NULL;
|
|
|
|
arena = NSSArena_Create();
|
|
PORT_Assert(arena);
|
|
if (!arena) {
|
|
return PR_FALSE;
|
|
}
|
|
|
|
status = nssCryptokiCRL_GetAttributes(&instance,
|
|
NULL, /* XXX sessionOpt */
|
|
arena,
|
|
NULL,
|
|
&newsubject, /* subject */
|
|
&crl_class, /* class */
|
|
NULL,
|
|
NULL);
|
|
if (PR_SUCCESS == status) {
|
|
subject.data = newsubject.data;
|
|
subject.len = newsubject.size;
|
|
if (SECITEM_CompareItem(oldSubject, &subject) != SECEqual) {
|
|
xstatus = PR_FALSE;
|
|
}
|
|
if (CKO_NETSCAPE_CRL != crl_class) {
|
|
xstatus = PR_FALSE;
|
|
}
|
|
} else {
|
|
xstatus = PR_FALSE;
|
|
}
|
|
NSSArena_Destroy(arena);
|
|
return xstatus;
|
|
}
|
|
|
|
SECStatus DPCache_Refresh(CRLDPCache* cache, CERTSignedCrl* crlobject,
|
|
PRTime vfdate, void* wincx)
|
|
{
|
|
SECStatus rv = SECSuccess;
|
|
/* Check if it is an invalid CRL
|
|
if we got a bad CRL, we want to cache it in order to avoid
|
|
subsequent fetches of this same identical bad CRL. We set
|
|
the cache to the invalid state to ensure that all certs
|
|
on this DP are considered revoked from now on. The cache
|
|
object will remain in this state until the bad CRL object
|
|
is removed from the token it was fetched from. If the cause
|
|
of the failure is that we didn't have the issuer cert to
|
|
verify the signature, this state can be cleared when
|
|
the issuer certificate becomes available if that causes the
|
|
signature to verify */
|
|
|
|
if (PR_TRUE == GetOpaqueCRLFields(crlobject)->bad) {
|
|
PORT_SetError(SEC_ERROR_BAD_DER);
|
|
cache->invalid |= CRL_CACHE_INVALID_CRLS;
|
|
return SECSuccess;
|
|
} else {
|
|
SECStatus signstatus = SECFailure;
|
|
if (cache->issuer) {
|
|
signstatus = CERT_VerifySignedData(&crlobject->signatureWrap,
|
|
cache->issuer, vfdate, wincx);
|
|
}
|
|
if (SECSuccess != signstatus) {
|
|
if (!cache->issuer) {
|
|
/* we tried to verify without an issuer cert . This is
|
|
because this CRL came through a call to SEC_FindCrlByName.
|
|
So we don't cache this verification failure. We'll try
|
|
to verify the CRL again when a certificate from that issuer
|
|
becomes available */
|
|
GetOpaqueCRLFields(crlobject)->unverified = PR_TRUE;
|
|
} else {
|
|
GetOpaqueCRLFields(crlobject)->unverified = PR_FALSE;
|
|
}
|
|
PORT_SetError(SEC_ERROR_CRL_BAD_SIGNATURE);
|
|
cache->invalid |= CRL_CACHE_INVALID_CRLS;
|
|
return SECSuccess;
|
|
} else {
|
|
GetOpaqueCRLFields(crlobject)->unverified = PR_FALSE;
|
|
}
|
|
}
|
|
|
|
/* complete the entry decoding */
|
|
rv = CERT_CompleteCRLDecodeEntries(crlobject);
|
|
if (SECSuccess == rv) {
|
|
/* XCRL : if this is a delta, add it to the hash table */
|
|
/* for now, always build the hash table from the full CRL */
|
|
CERTCrlEntry** crlEntry = NULL;
|
|
PRUint32 numEntries = 0;
|
|
if (cache->entries) {
|
|
/* we already have a hash table, destroy it */
|
|
PL_HashTableDestroy(cache->entries);
|
|
cache->entries = NULL;
|
|
}
|
|
/* also destroy the PreAllocator */
|
|
if (cache->prebuffer)
|
|
{
|
|
PreAllocator_Destroy(cache->prebuffer);
|
|
cache->prebuffer = NULL;
|
|
}
|
|
/* count CRL entries so we can pre-allocate space for hash table entries */
|
|
for (crlEntry = crlobject->crl.entries; crlEntry && *crlEntry; crlEntry++) {
|
|
numEntries++;
|
|
}
|
|
cache->prebuffer = PreAllocator_Create(numEntries*sizeof(PLHashEntry));
|
|
PR_ASSERT(cache->prebuffer);
|
|
if (cache->prebuffer) {
|
|
/* create a new hash table */
|
|
cache->entries = PL_NewHashTable(0, SECITEM_Hash, SECITEM_HashCompare,
|
|
PL_CompareValues, &preAllocOps, cache->prebuffer);
|
|
}
|
|
PR_ASSERT(cache->entries);
|
|
if (!cache->entries) {
|
|
rv = SECFailure;
|
|
}
|
|
if (SECSuccess == rv) {
|
|
/* add all serial numbers to the hash table */
|
|
for (crlEntry = crlobject->crl.entries; crlEntry && *crlEntry; crlEntry++) {
|
|
PL_HashTableAdd(cache->entries, &(*crlEntry)->serialNumber, *crlEntry);
|
|
}
|
|
cache->full = crlobject;
|
|
cache->invalid = 0; /* valid cache */
|
|
} else {
|
|
cache->invalid |= CRL_CACHE_OUT_OF_MEMORY;
|
|
}
|
|
} else {
|
|
cache->invalid |= CRL_CACHE_INVALID_CRLS;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
void DPCache_Empty(CRLDPCache* cache)
|
|
{
|
|
PRUint32 i;
|
|
PR_ASSERT(cache);
|
|
if (!cache)
|
|
{
|
|
return;
|
|
}
|
|
cache->full = NULL;
|
|
|
|
cache->invalid = 0;
|
|
|
|
if (cache->entries) {
|
|
/* we already have a hash table, destroy it */
|
|
PL_HashTableDestroy(cache->entries);
|
|
cache->entries = NULL;
|
|
}
|
|
/* also destroy the PreAllocator */
|
|
if (cache->prebuffer)
|
|
{
|
|
PreAllocator_Destroy(cache->prebuffer);
|
|
cache->prebuffer = NULL;
|
|
}
|
|
|
|
for (i=0;i<cache->ncrls;i++)
|
|
{
|
|
CERTSignedCrl* crl = cache->crls[i];
|
|
if (crl)
|
|
{
|
|
GetOpaqueCRLFields(crl)->deleted = PR_TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
SECStatus DPCache_Fetch(CRLDPCache* cache, PRTime vfdate, void* wincx)
|
|
{
|
|
SECStatus rv = SECSuccess;
|
|
CERTSignedCrl* crlobject = NULL;
|
|
PRUint32 i=0;
|
|
/* XCRL For now, we can only get one full CRL. In the future, we'll be able to
|
|
find more than one object, because of multiple tokens and deltas */
|
|
rv = SEC_FindCrlByKeyOnSlot(NULL, cache->subject, SEC_CRL_TYPE,
|
|
&crlobject, CRL_DECODE_DONT_COPY_DER |
|
|
CRL_DECODE_SKIP_ENTRIES |
|
|
CRL_DECODE_KEEP_BAD_CRL);
|
|
/* if this function fails, something very wrong happened, such as an out
|
|
of memory error during CRL decoding. We don't want to proceed and must
|
|
mark the cache object invalid */
|
|
if (SECFailure == rv) {
|
|
cache->invalid |= CRL_CACHE_LAST_FETCH_FAILED;
|
|
} else {
|
|
cache->invalid &= (~CRL_CACHE_LAST_FETCH_FAILED);
|
|
}
|
|
|
|
if ((SECSuccess == rv) && (!crlobject)) {
|
|
/* no CRL was found. This is OK */
|
|
DPCache_Empty(cache);
|
|
return SECSuccess;
|
|
}
|
|
|
|
/* now check if we already have a binary equivalent DER CRL */
|
|
for (i=0;i<cache->ncrls;i++) {
|
|
CERTSignedCrl* existing = cache->crls[i];
|
|
if (existing && (SECEqual == SECITEM_CompareItem(existing->derCrl, crlobject->derCrl))) {
|
|
/* yes. Has the matching CRL been marked deleted ? */
|
|
if (PR_TRUE == GetOpaqueCRLFields(crlobject)->deleted) {
|
|
/* Yes. Just replace the CK object ID and slot in the existing object.
|
|
This avoids an unnecessary signature verification & entry decode */
|
|
/* XCRL we'll need to lock the CRL here in the future for iCRLs that are
|
|
shared between multiple CAs */
|
|
existing->pkcs11ID = crlobject->pkcs11ID;
|
|
PK11_FreeSlot(existing->slot); /* release reference to old
|
|
CRL slot */
|
|
existing->slot = crlobject->slot; /* adopt new CRL slot */
|
|
crlobject->slot = NULL; /* clear slot to avoid double-freeing it
|
|
during CRL destroy */
|
|
rv = SEC_DestroyCrl(crlobject);
|
|
PORT_Assert(SECSuccess == rv);
|
|
return rv;
|
|
} else {
|
|
/* We got an identical CRL from a different token.
|
|
Throw it away. */
|
|
return SEC_DestroyCrl(crlobject);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* add the CRL to our array */
|
|
if (SECSuccess == rv) {
|
|
rv = DPCache_AddCRL(cache, crlobject);
|
|
}
|
|
|
|
/* update the cache with this new CRL */
|
|
if (SECSuccess == rv) {
|
|
rv = DPCache_Refresh(cache, crlobject, vfdate, wincx);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
SECStatus DPCache_Lookup(CRLDPCache* cache, SECItem* sn, CERTCrlEntry** returned)
|
|
{
|
|
CERTSignedCrl* crl = NULL;
|
|
CERTCrlEntry* acrlEntry = NULL;
|
|
if (!cache || !sn) {
|
|
/* no cache or SN to look up, this is bad */
|
|
PORT_SetError(SEC_ERROR_INVALID_ARGS);
|
|
return SECFailure;
|
|
}
|
|
if (0 != cache->invalid) {
|
|
/* the cache contains a bad CRL, consider all certs revoked
|
|
as a security measure */
|
|
PORT_SetError(SEC_ERROR_CRL_INVALID);
|
|
return SECFailure;
|
|
}
|
|
if (!cache->full) {
|
|
/* no CRL means no entry to return, but this is OK */
|
|
*returned = NULL;
|
|
return SECSuccess;
|
|
}
|
|
crl = cache->full;
|
|
PR_ASSERT(cache->entries);
|
|
if (!cache->entries)
|
|
{
|
|
return SECFailure;
|
|
}
|
|
acrlEntry = PL_HashTableLookup(cache->entries, (void*)sn);
|
|
if (acrlEntry)
|
|
{
|
|
*returned = acrlEntry;
|
|
}
|
|
return SECSuccess;
|
|
}
|
|
|
|
#ifdef USE_RWLOCK
|
|
|
|
#define DPCache_LockWrite() { \
|
|
if (readlocked){ \
|
|
NSSRWLock_UnlockRead(cache->lock); \
|
|
} \
|
|
NSSRWLock_LockWrite(cache->lock); \
|
|
}
|
|
|
|
#define DPCache_UnlockWrite() { \
|
|
if (readlocked){ \
|
|
NSSRWLock_LockRead(cache->lock); \
|
|
} \
|
|
NSSRWLock_UnlockWrite(cache->lock); \
|
|
}
|
|
|
|
#else
|
|
|
|
#define DPCache_LockWrite() {}
|
|
|
|
#define DPCache_UnlockWrite() {}
|
|
|
|
#endif
|
|
|
|
SECStatus DPCache_Update(CRLDPCache* cache, CERTCertificate* issuer,
|
|
PRBool readlocked, PRTime vfdate, void* wincx)
|
|
{
|
|
/* Update the CRLDPCache now. We don't cache token CRL lookup misses
|
|
yet, as we have no way of getting notified of new PKCS#11 object
|
|
creation that happens in a token */
|
|
SECStatus rv = SECSuccess;
|
|
PRUint32 i = 0;
|
|
PRBool updated = PR_FALSE;
|
|
|
|
if (!cache) {
|
|
return SECFailure;
|
|
}
|
|
|
|
/* verify CRLs that couldn't be checked when inserted into the cache
|
|
because the issuer cert was unavailable. These are CRLs that were
|
|
inserted into the cache through SEC_FindCrlByName, rather than
|
|
through a certificate verification (CERT_CheckCRL) */
|
|
if (issuer) {
|
|
/* if we didn't have a valid issuer cert yet, but we do now. add it */
|
|
if ( (NULL == cache->issuer) && (SECSuccess == CERT_CheckCertUsage(issuer, KU_CRL_SIGN))) {
|
|
/* save the issuer cert */
|
|
cache->issuer = CERT_DupCertificate(issuer);
|
|
}
|
|
|
|
/* re-process all unverified CRLs */
|
|
if (cache->issuer) {
|
|
for (i = 0; i < cache->ncrls ; i++) {
|
|
CERTSignedCrl* acrl = cache->crls[i];
|
|
if (PR_TRUE == GetOpaqueCRLFields(acrl)->unverified) {
|
|
DPCache_LockWrite();
|
|
/* check that we are the first thread to update */
|
|
if (PR_TRUE == GetOpaqueCRLFields(acrl)->unverified) {
|
|
DPCache_Refresh(cache, acrl, vfdate, wincx);
|
|
/* also check all the other CRLs */
|
|
for (i = i+1 ; i < cache->ncrls ; i++) {
|
|
acrl = cache->crls[i];
|
|
if (acrl && (PR_TRUE == GetOpaqueCRLFields(acrl)->unverified)) {
|
|
DPCache_Refresh(cache, acrl, vfdate, wincx);
|
|
}
|
|
}
|
|
}
|
|
DPCache_UnlockWrite();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (cache->ncrls) {
|
|
/* check if all CRLs still exist */
|
|
for (i = 0; (i < cache->ncrls) && (PR_FALSE == updated); i++)
|
|
{
|
|
CERTSignedCrl* savcrl = cache->crls[i];
|
|
if (savcrl && (PR_TRUE != CRLStillExists(savcrl))) {
|
|
|
|
/* this CRL is gone */
|
|
DPCache_LockWrite();
|
|
/* first, we need to check if another thread updated
|
|
it before we did, and abort if it has been modified since
|
|
we acquired the lock */
|
|
if ((savcrl == cache->crls[i]) &&
|
|
PR_TRUE != CRLStillExists(savcrl)) {
|
|
/* the CRL is gone. And we are the one to do the update */
|
|
/* Mark the CRL deleted */
|
|
GetOpaqueCRLFields(savcrl)->deleted = PR_TRUE;
|
|
/* also check all the other CRLs */
|
|
for (i = i+1 ; i < cache->ncrls ; i++) {
|
|
CERTSignedCrl* acrl = cache->crls[i];
|
|
if (acrl && (PR_TRUE != CRLStillExists(acrl))) {
|
|
GetOpaqueCRLFields(acrl)->deleted = PR_TRUE;
|
|
}
|
|
}
|
|
/* and try to fetch a new one */
|
|
rv = DPCache_Fetch(cache, vfdate, wincx);
|
|
updated = PR_TRUE;
|
|
if (SECSuccess == rv) {
|
|
rv = DPCache_Cleanup(cache); /* clean up deleted CRLs
|
|
from the cache*/
|
|
}
|
|
}
|
|
DPCache_UnlockWrite();
|
|
}
|
|
}
|
|
} else {
|
|
/* we had zero CRL for this DP, try to get one from tokens */
|
|
DPCache_LockWrite();
|
|
/* check if another thread updated before us, and skip update if so */
|
|
if (0 == cache->ncrls)
|
|
{
|
|
/* we are the first */
|
|
rv = DPCache_Fetch(cache, vfdate, wincx);
|
|
}
|
|
DPCache_UnlockWrite();
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
SECStatus DPCache_Initialize(CRLDPCache* cache, CERTCertificate* issuer,
|
|
SECItem* subject, SECItem* dp)
|
|
{
|
|
PORT_Assert(cache);
|
|
if (!cache) {
|
|
return SECFailure;
|
|
}
|
|
memset(cache, 0, sizeof(CRLDPCache));
|
|
#ifdef USE_RWLOCK
|
|
cache->lock = NSSRWLock_New(NSS_RWLOCK_RANK_NONE, NULL);
|
|
#else
|
|
cache->lock = PR_NewLock();
|
|
#endif
|
|
if (!cache->lock)
|
|
{
|
|
return SECFailure;
|
|
}
|
|
if (issuer)
|
|
{
|
|
cache->issuer = CERT_DupCertificate(issuer);
|
|
}
|
|
cache->distributionPoint = SECITEM_DupItem(dp);
|
|
cache->subject = SECITEM_DupItem(subject);
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus IssuerCache_Create(CRLIssuerCache** returned,
|
|
CERTCertificate* issuer,
|
|
SECItem* subject, SECItem* dp)
|
|
{
|
|
SECStatus rv = SECSuccess;
|
|
CRLIssuerCache* cache = NULL;
|
|
PORT_Assert(returned);
|
|
PORT_Assert(subject);
|
|
if (!returned || !subject)
|
|
{
|
|
return SECFailure;
|
|
}
|
|
cache = (CRLIssuerCache*) PR_Malloc(sizeof(CRLIssuerCache));
|
|
if (!cache)
|
|
{
|
|
return SECFailure;
|
|
}
|
|
memset(cache, 0, sizeof(CRLIssuerCache));
|
|
cache->subject = SECITEM_DupItem(subject);
|
|
#if 0
|
|
/* XCRL */
|
|
cache->lock = NSSRWLock_New(NSS_RWLOCK_RANK_NONE, NULL);
|
|
if (!cache->lock)
|
|
{
|
|
rv = SECFailure;
|
|
}
|
|
if (SECSuccess == rv && issuer)
|
|
{
|
|
cache->issuer = CERT_DupCertificate(issuer);
|
|
if (!cache->issuer)
|
|
{
|
|
rv = SECFailure;
|
|
}
|
|
}
|
|
#endif
|
|
if (SECSuccess != rv)
|
|
{
|
|
return IssuerCache_Destroy(cache);
|
|
}
|
|
*returned = cache;
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus IssuerCache_AddDP(CRLIssuerCache* cache, CERTCertificate* issuer,
|
|
SECItem* subject, SECItem* dp, CRLDPCache** newdpc)
|
|
{
|
|
SECStatus rv = SECSuccess;
|
|
/* now create the required DP cache object */
|
|
if (!dp) {
|
|
/* default distribution point */
|
|
rv = DPCache_Initialize(&cache->dp, issuer, subject, NULL);
|
|
if (SECSuccess == rv) {
|
|
cache->dpp = &cache->dp;
|
|
if (newdpc) {
|
|
*newdpc = cache->dpp;
|
|
}
|
|
}
|
|
} else {
|
|
/* we should never hit this until we support multiple DPs */
|
|
PORT_Assert(dp);
|
|
rv = SECFailure;
|
|
/* XCRL allocate a new distribution point cache object, initialize it,
|
|
and add it to the hash table of DPs */
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
SECStatus CRLCache_AddIssuer(CRLIssuerCache* issuer)
|
|
{
|
|
PORT_Assert(issuer);
|
|
PORT_Assert(crlcache.issuers);
|
|
if (!issuer || !crlcache.issuers) {
|
|
return SECFailure;
|
|
}
|
|
if (NULL == PL_HashTableAdd(crlcache.issuers, (void*) issuer->subject,
|
|
(void*) issuer)) {
|
|
return SECFailure;
|
|
}
|
|
return SECSuccess;
|
|
}
|
|
|
|
SECStatus GetIssuerCache(CRLCache* cache, SECItem* subject, CRLIssuerCache** returned)
|
|
{
|
|
/* we need to look up the issuer in the hash table */
|
|
SECStatus rv = SECSuccess;
|
|
PORT_Assert(cache);
|
|
PORT_Assert(subject);
|
|
PORT_Assert(returned);
|
|
PORT_Assert(crlcache.issuers);
|
|
if (!cache || !subject || !returned || !crlcache.issuers) {
|
|
rv = SECFailure;
|
|
}
|
|
|
|
if (SECSuccess == rv){
|
|
*returned = (CRLIssuerCache*) PL_HashTableLookup(crlcache.issuers,
|
|
(void*) subject);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
CERTSignedCrl* GetBestCRL(CRLDPCache* cache)
|
|
{
|
|
PRUint32 i = 0;
|
|
PR_ASSERT(cache);
|
|
if (!cache) {
|
|
return NULL;
|
|
}
|
|
if (0 == cache->ncrls) {
|
|
/* no CRLs in the cache */
|
|
return NULL;
|
|
}
|
|
/* first, check if we have a valid full CRL, and use that */
|
|
if (cache->full) {
|
|
return SEC_DupCrl(cache->full);
|
|
}
|
|
/* otherwise, check all the fetched CRLs for one with valid DER */
|
|
for (i = 0; i < cache->ncrls ; i++) {
|
|
CERTSignedCrl* acrl = cache->crls[i];
|
|
if (PR_FALSE == GetOpaqueCRLFields(acrl)->bad) {
|
|
SECStatus rv = CERT_CompleteCRLDecodeEntries(acrl);
|
|
if (SECSuccess == rv) {
|
|
return SEC_DupCrl(acrl);
|
|
}
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
CRLDPCache* GetDPCache(CRLIssuerCache* cache, SECItem* dp)
|
|
{
|
|
CRLDPCache* dpp = NULL;
|
|
PORT_Assert(cache);
|
|
/* XCRL for now we only support the "default" DP, ie. the
|
|
full CRL. So we can return the global one without locking. In
|
|
the future we will have a lock */
|
|
PORT_Assert(NULL == dp);
|
|
if (!cache || dp) {
|
|
return NULL;
|
|
}
|
|
#if 0
|
|
/* XCRL */
|
|
NSSRWLock_LockRead(cache->lock);
|
|
#endif
|
|
dpp = cache->dpp;
|
|
#if 0
|
|
/* XCRL */
|
|
NSSRWLock_UnlockRead(cache->lock);
|
|
#endif
|
|
return dpp;
|
|
}
|
|
|
|
SECStatus AcquireDPCache(CERTCertificate* issuer, SECItem* subject, SECItem* dp,
|
|
int64 t, void* wincx, CRLDPCache** dpcache,
|
|
PRBool* writeLocked)
|
|
{
|
|
SECStatus rv = SECSuccess;
|
|
CRLIssuerCache* issuercache = NULL;
|
|
|
|
PORT_Assert(crlcache.lock);
|
|
if (!crlcache.lock) {
|
|
/* CRL cache is not initialized */
|
|
return SECFailure;
|
|
}
|
|
PR_Lock(crlcache.lock);
|
|
rv = GetIssuerCache(&crlcache, subject, &issuercache);
|
|
if (SECSuccess != rv) {
|
|
PR_Unlock(crlcache.lock);
|
|
return SECFailure;
|
|
}
|
|
if (!issuercache) {
|
|
/* there is no cache for this issuer yet. This means this is the
|
|
first time we look up a cert from that issuer, and we need to
|
|
create the cache. Do it within the global cache lock to ensure
|
|
no two threads will simultaneously try to create the same issuer
|
|
cache. XXX this could be optimized with a r/w lock at this level
|
|
too. But the code would have to check if it already exists when
|
|
adding to the hash table */
|
|
|
|
rv = IssuerCache_Create(&issuercache, issuer, subject, dp);
|
|
if (SECSuccess == rv && !issuercache) {
|
|
PORT_Assert(issuercache);
|
|
rv = SECFailure;
|
|
}
|
|
|
|
if (SECSuccess == rv) {
|
|
/* This is the first time we look up a cert of this issuer.
|
|
Create the DPCache for this DP . */
|
|
rv = IssuerCache_AddDP(issuercache, issuer, subject, dp, dpcache);
|
|
}
|
|
|
|
if (SECSuccess == rv) {
|
|
/* lock the DPCache for write to ensure the update happens in this thread */
|
|
*writeLocked = PR_TRUE;
|
|
#ifdef USE_RWLOCK
|
|
NSSRWLock_LockWrite((*dpcache)->lock);
|
|
#else
|
|
PR_Lock((*dpcache)->lock);
|
|
#endif
|
|
}
|
|
|
|
if (SECSuccess == rv) {
|
|
/* now add the new issuer cache to the global hash table of issuers */
|
|
rv = CRLCache_AddIssuer(issuercache);
|
|
if (SECSuccess != rv) {
|
|
/* failure */
|
|
rv = SECFailure;
|
|
}
|
|
}
|
|
|
|
/* now unlock the global cache. We only want to lock the hash table
|
|
addition. Holding it longer would hurt scalability */
|
|
PR_Unlock(crlcache.lock);
|
|
|
|
if (SECSuccess != rv && issuercache) {
|
|
if (PR_TRUE == *writeLocked) {
|
|
#ifdef USE_RWLOCK
|
|
NSSRWLock_UnlockWrite((*dpcache)->lock);
|
|
#else
|
|
PR_Unlock((*dpcache)->lock);
|
|
#endif
|
|
}
|
|
IssuerCache_Destroy(issuercache);
|
|
issuercache = NULL;
|
|
}
|
|
|
|
if (SECSuccess != rv) {
|
|
return SECFailure;
|
|
}
|
|
} else {
|
|
PR_Unlock(crlcache.lock);
|
|
*dpcache = GetDPCache(issuercache, dp);
|
|
}
|
|
/* we now have a DPCache that we can use for lookups */
|
|
/* lock it for read, unless we already locked for write */
|
|
if (PR_FALSE == *writeLocked)
|
|
{
|
|
#ifdef USE_RWLOCK
|
|
NSSRWLock_LockRead((*dpcache)->lock);
|
|
#else
|
|
PR_Lock((*dpcache)->lock);
|
|
#endif
|
|
}
|
|
|
|
if (SECSuccess == rv) {
|
|
/* currently there is always one and only one DPCache */
|
|
PORT_Assert(*dpcache);
|
|
if (*dpcache)
|
|
{
|
|
/* make sure the DP cache is up to date before using it */
|
|
rv = DPCache_Update(*dpcache, issuer, PR_FALSE == *writeLocked, t, wincx);
|
|
}
|
|
else
|
|
{
|
|
rv = SECFailure;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
void ReleaseDPCache(CRLDPCache* dpcache, PRBool writeLocked)
|
|
{
|
|
if (!dpcache) {
|
|
return;
|
|
}
|
|
if (PR_TRUE == writeLocked) {
|
|
#ifdef USE_RWLOCK
|
|
NSSRWLock_UnlockWrite(dpcache->lock);
|
|
#else
|
|
PR_Unlock(dpcache->lock);
|
|
#endif
|
|
} else {
|
|
#ifdef USE_RWLOCK
|
|
NSSRWLock_UnlockRead(dpcache->lock);
|
|
#else
|
|
PR_Unlock(dpcache->lock);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
SECStatus
|
|
CERT_CheckCRL(CERTCertificate* cert, CERTCertificate* issuer, SECItem* dp,
|
|
int64 t, void* wincx)
|
|
{
|
|
PRBool lockedwrite = PR_FALSE;
|
|
SECStatus rv = SECSuccess;
|
|
CRLDPCache* dpcache = NULL;
|
|
if (!cert || !issuer) {
|
|
return SECFailure;
|
|
}
|
|
|
|
if (SECSuccess != CERT_CheckCertValidTimes(issuer, t, PR_FALSE)) {
|
|
/* we won't be able to check the CRL's signature if the issuer cert
|
|
is expired as of the time we are verifying. This may cause a valid
|
|
CRL to be cached as bad. short-circuit to avoid this case. */
|
|
PORT_SetError(SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE);
|
|
return SECFailure;
|
|
}
|
|
|
|
rv = AcquireDPCache(issuer, &issuer->derSubject, dp, t, wincx, &dpcache, &lockedwrite);
|
|
|
|
if (SECSuccess == rv) {
|
|
/* now look up the certificate SN in the DP cache's CRL */
|
|
CERTCrlEntry* entry = NULL;
|
|
rv = DPCache_Lookup(dpcache, &cert->serialNumber, &entry);
|
|
if (SECSuccess == rv && entry) {
|
|
/* check the time if we have one */
|
|
if (entry->revocationDate.data && entry->revocationDate.len) {
|
|
int64 revocationDate = 0;
|
|
if (SECSuccess == DER_DecodeTimeChoice(&revocationDate,
|
|
&entry->revocationDate)) {
|
|
/* we got a good revocation date, only consider the
|
|
certificate revoked if the time we are inquiring about
|
|
is past the revocation date */
|
|
if (t>=revocationDate) {
|
|
rv = SECFailure;
|
|
}
|
|
} else {
|
|
/* invalid revocation date, consider the certificate
|
|
permanently revoked */
|
|
rv = SECFailure;
|
|
}
|
|
} else {
|
|
/* no revocation date, certificate is permanently revoked */
|
|
rv = SECFailure;
|
|
}
|
|
if (SECFailure == rv) {
|
|
PORT_SetError(SEC_ERROR_REVOKED_CERTIFICATE);
|
|
}
|
|
}
|
|
}
|
|
|
|
ReleaseDPCache(dpcache, lockedwrite);
|
|
return rv;
|
|
}
|
|
|
|
CERTSignedCrl *
|
|
SEC_FindCrlByName(CERTCertDBHandle *handle, SECItem *crlKey, int type)
|
|
{
|
|
CERTSignedCrl* acrl = NULL;
|
|
CRLDPCache* dpcache = NULL;
|
|
SECStatus rv = SECSuccess;
|
|
PRBool writeLocked = PR_FALSE;
|
|
|
|
rv = AcquireDPCache(NULL, crlKey, NULL, 0, NULL, &dpcache, &writeLocked);
|
|
if (SECSuccess == rv)
|
|
{
|
|
acrl = GetBestCRL(dpcache);
|
|
ReleaseDPCache(dpcache, writeLocked);
|
|
}
|
|
return acrl;
|
|
}
|
|
|
|
void CERT_CRLCacheRefreshIssuer(CERTCertDBHandle* dbhandle, SECItem* crlKey)
|
|
{
|
|
CRLDPCache* cache = NULL;
|
|
SECStatus rv = SECSuccess;
|
|
PRBool writeLocked = PR_FALSE;
|
|
|
|
(void) dbhandle; /* silence compiler warnings */
|
|
|
|
rv = AcquireDPCache(NULL, crlKey, NULL, 0, NULL, &cache, &writeLocked);
|
|
if (SECSuccess != rv)
|
|
{
|
|
return;
|
|
}
|
|
if (PR_TRUE == writeLocked)
|
|
{
|
|
/* the DPCache is write-locked. This means that the issuer was just
|
|
added to the CRL cache. There is no need to do anything */
|
|
}
|
|
else
|
|
{
|
|
PRBool readlocked = PR_TRUE;
|
|
/* we need to invalidate the DPCache here */
|
|
DPCache_LockWrite();
|
|
DPCache_Empty(cache);
|
|
DPCache_Cleanup(cache);
|
|
DPCache_UnlockWrite();
|
|
}
|
|
ReleaseDPCache(cache, writeLocked);
|
|
return;
|
|
}
|
|
|