gecko/security/certverifier/OCSPCache.h
David Keeler 676eaf13b4 bug 985201 - rename insanity::pkix to mozilla::pkix r=cviecco r=briansmith
--HG--
rename : security/insanity/include/insanity/ScopedPtr.h => security/pkix/include/pkix/ScopedPtr.h
rename : security/insanity/include/insanity/bind.h => security/pkix/include/pkix/bind.h
rename : security/insanity/include/insanity/nullptr.h => security/pkix/include/pkix/nullptr.h
rename : security/insanity/include/insanity/pkix.h => security/pkix/include/pkix/pkix.h
rename : security/insanity/include/insanity/pkixtypes.h => security/pkix/include/pkix/pkixtypes.h
rename : security/insanity/lib/pkixbind.cpp => security/pkix/lib/pkixbind.cpp
rename : security/insanity/lib/pkixbuild.cpp => security/pkix/lib/pkixbuild.cpp
rename : security/insanity/lib/pkixcheck.cpp => security/pkix/lib/pkixcheck.cpp
rename : security/insanity/lib/pkixcheck.h => security/pkix/lib/pkixcheck.h
rename : security/insanity/lib/pkixder.cpp => security/pkix/lib/pkixder.cpp
rename : security/insanity/lib/pkixder.h => security/pkix/lib/pkixder.h
rename : security/insanity/lib/pkixkey.cpp => security/pkix/lib/pkixkey.cpp
rename : security/insanity/lib/pkixocsp.cpp => security/pkix/lib/pkixocsp.cpp
rename : security/insanity/lib/pkixutil.h => security/pkix/lib/pkixutil.h
rename : security/insanity/moz.build => security/pkix/moz.build
rename : security/insanity/test/lib/moz.build => security/pkix/test/lib/moz.build
rename : security/insanity/test/lib/pkixtestutil.cpp => security/pkix/test/lib/pkixtestutil.cpp
rename : security/insanity/test/lib/pkixtestutil.h => security/pkix/test/lib/pkixtestutil.h
2014-03-20 14:29:21 -07:00

108 lines
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* Copyright 2013 Mozilla Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef mozilla_psm_OCSPCache_h
#define mozilla_psm_OCSPCache_h
#include "certt.h"
#include "hasht.h"
#include "pkix/pkixtypes.h"
#include "mozilla/Mutex.h"
#include "mozilla/Vector.h"
#include "prerror.h"
namespace mozilla { namespace psm {
// make SHA384Buffer be of type "array of uint8_t of length SHA384_LENGTH"
typedef uint8_t SHA384Buffer[SHA384_LENGTH];
// OCSPCache can store and retrieve OCSP response verification results. Each
// result is keyed on the certificate that purportedly corresponds to it (where
// certificates are distinguished based on serial number, issuer, and
// issuer public key, much like in an encoded OCSP response itself). A maximum
// of 1024 distinct entries can be stored.
// OCSPCache is thread-safe.
class OCSPCache
{
public:
OCSPCache();
~OCSPCache();
// Returns true if the status of the given certificate (issued by the given
// issuer) is in the cache, and false otherwise.
// If it is in the cache, returns by reference the error code of the cached
// status and the time through which the status is considered trustworthy.
bool Get(const CERTCertificate* aCert, const CERTCertificate* aIssuerCert,
/* out */ PRErrorCode& aErrorCode, /* out */ PRTime& aValidThrough);
// Caches the status of the given certificate (issued by the given issuer).
// The status is considered trustworthy through the given time.
// A status with an error code of SEC_ERROR_REVOKED_CERTIFICATE will not
// be replaced or evicted.
// A status with an error code of SEC_ERROR_OCSP_UNKNOWN_CERT will not
// be evicted when the cache is full.
// A status with a more recent thisUpdate will not be replaced with a
// status with a less recent thisUpdate unless the less recent status
// indicates the certificate is revoked.
SECStatus Put(const CERTCertificate* aCert,
const CERTCertificate* aIssuerCert,
PRErrorCode aErrorCode,
PRTime aThisUpdate,
PRTime aValidThrough);
// Removes everything from the cache.
void Clear();
private:
class Entry
{
public:
SECStatus Init(const CERTCertificate* aCert,
const CERTCertificate* aIssuerCert,
PRErrorCode aErrorCode, PRTime aThisUpdate,
PRTime aValidThrough);
PRErrorCode mErrorCode;
PRTime mThisUpdate;
PRTime mValidThrough;
// The SHA-384 hash of the concatenation of the DER encodings of the
// issuer name and issuer key, followed by the serial number.
// See the documentation for CertIDHash in OCSPCache.cpp.
SHA384Buffer mIDHash;
};
int32_t FindInternal(const CERTCertificate* aCert,
const CERTCertificate* aIssuerCert,
const MutexAutoLock& aProofOfLock);
void MakeMostRecentlyUsed(size_t aIndex, const MutexAutoLock& aProofOfLock);
void LogWithCerts(const char* aMessage, const CERTCertificate* aCert,
const CERTCertificate* aIssuerCert);
Mutex mMutex;
static const size_t MaxEntries = 1024;
// Sorted with the most-recently-used entry at the end.
// Using 256 here reserves as much possible inline storage as the vector
// implementation will give us. 1024 bytes is the maximum it allows,
// which results in 256 Entry pointers or 128 Entry pointers, depending
// on the size of a pointer.
Vector<Entry*, 256> mEntries;
};
} } // namespace mozilla::psm
#endif // mozilla_psm_OCSPCache_h