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/*
* Copyright (C) 2011, 2014-2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "NetworkCacheCoders.h"
#if ENABLE(NETWORK_CACHE)
#if PLATFORM(COCOA)
#include <Security/SecCertificate.h>
#include <Security/SecTrust.h>
#include <wtf/spi/cocoa/SecuritySPI.h>
#endif
namespace WTF {
namespace Persistence {
static void encodeCFData(Encoder& encoder, CFDataRef data)
{
uint64_t length = CFDataGetLength(data);
const uint8_t* bytePtr = CFDataGetBytePtr(data);
encoder << length;
encoder.encodeFixedLengthData(bytePtr, length);
}
static bool decodeCFData(Decoder& decoder, RetainPtr<CFDataRef>& data)
{
uint64_t size = 0;
if (!decoder.decode(size))
return false;
Vector<uint8_t> vector(size);
if (!decoder.decodeFixedLengthData(vector.data(), vector.size()))
return false;
data = adoptCF(CFDataCreate(nullptr, vector.data(), vector.size()));
return true;
}
#if HAVE(SEC_TRUST_SERIALIZATION)
static void encodeSecTrustRef(Encoder& encoder, SecTrustRef trust)
{
auto data = adoptCF(SecTrustSerialize(trust, nullptr));
if (!data) {
encoder << false;
return;
}
encoder << true;
encodeCFData(encoder, data.get());
}
static bool decodeSecTrustRef(Decoder& decoder, RetainPtr<SecTrustRef>& result)
{
bool hasTrust;
if (!decoder.decode(hasTrust))
return false;
if (!hasTrust)
return true;
RetainPtr<CFDataRef> trustData;
if (!decodeCFData(decoder, trustData))
return false;
auto trust = adoptCF(SecTrustDeserialize(trustData.get(), nullptr));
if (!trust)
return false;
result = WTFMove(trust);
return true;
}
#endif
static void encodeCertificateChain(Encoder& encoder, CFArrayRef certificateChain)
{
CFIndex size = CFArrayGetCount(certificateChain);
Vector<CFTypeRef, 32> values(size);
CFArrayGetValues(certificateChain, CFRangeMake(0, size), values.data());
encoder << static_cast<uint64_t>(size);
for (CFIndex i = 0; i < size; ++i) {
ASSERT(values[i]);
ASSERT(CFGetTypeID(values[i]) == SecCertificateGetTypeID());
auto data = adoptCF(SecCertificateCopyData((SecCertificateRef)values[i]));
encodeCFData(encoder, data.get());
}
}
static bool decodeCertificateChain(Decoder& decoder, RetainPtr<CFArrayRef>& certificateChain)
{
uint64_t size;
if (!decoder.decode(size))
return false;
auto array = adoptCF(CFArrayCreateMutable(0, 0, &kCFTypeArrayCallBacks));
for (size_t i = 0; i < size; ++i) {
RetainPtr<CFDataRef> data;
if (!decodeCFData(decoder, data))
return false;
auto certificate = adoptCF(SecCertificateCreateWithData(0, data.get()));
CFArrayAppendValue(array.get(), certificate.get());
}
certificateChain = WTFMove(array);
return true;
}
void Coder<WebCore::CertificateInfo>::encode(Encoder& encoder, const WebCore::CertificateInfo& certificateInfo)
{
encoder.encodeEnum(certificateInfo.type());
switch (certificateInfo.type()) {
#if HAVE(SEC_TRUST_SERIALIZATION)
case WebCore::CertificateInfo::Type::Trust:
encodeSecTrustRef(encoder, certificateInfo.trust());
break;
#endif
case WebCore::CertificateInfo::Type::CertificateChain: {
encodeCertificateChain(encoder, certificateInfo.certificateChain());
break;
}
case WebCore::CertificateInfo::Type::None:
// Do nothing.
break;
}
}
bool Coder<WebCore::CertificateInfo>::decode(Decoder& decoder, WebCore::CertificateInfo& certificateInfo)
{
WebCore::CertificateInfo::Type certificateInfoType;
if (!decoder.decodeEnum(certificateInfoType))
return false;
switch (certificateInfoType) {
#if HAVE(SEC_TRUST_SERIALIZATION)
case WebCore::CertificateInfo::Type::Trust: {
RetainPtr<SecTrustRef> trust;
if (!decodeSecTrustRef(decoder, trust))
return false;
certificateInfo = WebCore::CertificateInfo(WTFMove(trust));
return true;
}
#endif
case WebCore::CertificateInfo::Type::CertificateChain: {
RetainPtr<CFArrayRef> certificateChain;
if (!decodeCertificateChain(decoder, certificateChain))
return false;
certificateInfo = WebCore::CertificateInfo(WTFMove(certificateChain));
return true;
}
case WebCore::CertificateInfo::Type::None:
// Do nothing.
break;
}
return true;
}
}
}
#endif
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