Clump *LoaderDFF::loadFromMemory(FileHandle file) {
auto model = new Clump;
RWBStream rootStream(file->data, file->length);
auto rootID = rootStream.getNextChunk();
if (rootID != CHUNK_CLUMP) {
throw DFFLoaderException("Invalid root section ID " +
std::to_string(rootID));
}
RWBStream modelStream = rootStream.getInnerStream();
auto rootStructID = modelStream.getNextChunk();
if (rootStructID != CHUNK_STRUCT) {
throw DFFLoaderException("Clump missing struct chunk");
}
// There is only one value in the struct section.
auto numAtomics = *(std::uint32_t *)rootStream.getCursor();
RW_UNUSED(numAtomics);
GeometryList geometrylist;
FrameList framelist;
// Process everything inside the clump stream.
RWBStream::ChunkID chunkID;
while ((chunkID = modelStream.getNextChunk())) {
switch (chunkID) {
case CHUNK_FRAMELIST:
framelist = readFrameList(modelStream);
break;
case CHUNK_GEOMETRYLIST:
geometrylist = readGeometryList(modelStream);
break;
case CHUNK_ATOMIC: {
auto atomic = readAtomic(framelist, geometrylist, modelStream);
RW_CHECK(atomic, "Failed to read atomic");
if (!atomic) {
// Abort reading the rest of the clump
return nullptr;
}
model->addAtomic(atomic);
} break;
default:
break;
}
}
if (!framelist.empty()) {
model->setFrame(framelist[0]);
}
// Ensure the model has cached metrics
model->recalculateMetrics();
return model;
}
bool QSslCertificatePrivate::parse(const QByteArray &data)
{
QAsn1Element root;
QDataStream dataStream(data);
if (!root.read(dataStream) || root.type() != QAsn1Element::SequenceType)
return false;
QDataStream rootStream(root.value());
QAsn1Element cert;
if (!cert.read(rootStream) || cert.type() != QAsn1Element::SequenceType)
return false;
// version or serial number
QAsn1Element elem;
QDataStream certStream(cert.value());
if (!elem.read(certStream))
return false;
if (elem.type() == QAsn1Element::Context0Type) {
QDataStream versionStream(elem.value());
if (!elem.read(versionStream) || elem.type() != QAsn1Element::IntegerType)
return false;
versionString = QByteArray::number(elem.value()[0] + 1);
if (!elem.read(certStream))
return false;
} else {
versionString = QByteArray::number(1);
}
// serial number
if (elem.type() != QAsn1Element::IntegerType)
return false;
serialNumberString = colonSeparatedHex(elem.value());
// algorithm ID
if (!elem.read(certStream) || elem.type() != QAsn1Element::SequenceType)
return false;
// issuer info
if (!elem.read(certStream) || elem.type() != QAsn1Element::SequenceType)
return false;
QByteArray issuerDer = data.mid(dataStream.device()->pos() - elem.value().length(), elem.value().length());
issuerInfo = elem.toInfo();
// validity period
if (!elem.read(certStream) || elem.type() != QAsn1Element::SequenceType)
return false;
QDataStream validityStream(elem.value());
if (!elem.read(validityStream) || (elem.type() != QAsn1Element::UtcTimeType && elem.type() != QAsn1Element::GeneralizedTimeType))
return false;
notValidBefore = elem.toDateTime();
if (!elem.read(validityStream) || (elem.type() != QAsn1Element::UtcTimeType && elem.type() != QAsn1Element::GeneralizedTimeType))
return false;
notValidAfter = elem.toDateTime();
// subject name
if (!elem.read(certStream) || elem.type() != QAsn1Element::SequenceType)
return false;
QByteArray subjectDer = data.mid(dataStream.device()->pos() - elem.value().length(), elem.value().length());
subjectInfo = elem.toInfo();
subjectMatchesIssuer = issuerDer == subjectDer;
// public key
qint64 keyStart = certStream.device()->pos();
if (!elem.read(certStream) || elem.type() != QAsn1Element::SequenceType)
return false;
publicKeyDerData.resize(certStream.device()->pos() - keyStart);
QDataStream keyStream(elem.value());
if (!elem.read(keyStream) || elem.type() != QAsn1Element::SequenceType)
return false;
// key algorithm
if (!elem.read(elem.value()) || elem.type() != QAsn1Element::ObjectIdentifierType)
return false;
const QByteArray oid = elem.toObjectId();
if (oid == RSA_ENCRYPTION_OID)
publicKeyAlgorithm = QSsl::Rsa;
else if (oid == DSA_ENCRYPTION_OID)
publicKeyAlgorithm = QSsl::Dsa;
else if (oid == EC_ENCRYPTION_OID)
publicKeyAlgorithm = QSsl::Ec;
else
publicKeyAlgorithm = QSsl::Opaque;
certStream.device()->seek(keyStart);
certStream.readRawData(publicKeyDerData.data(), publicKeyDerData.size());
// extensions
while (elem.read(certStream)) {
if (elem.type() == QAsn1Element::Context3Type) {
if (elem.read(elem.value()) && elem.type() == QAsn1Element::SequenceType) {
QDataStream extStream(elem.value());
while (elem.read(extStream) && elem.type() == QAsn1Element::SequenceType) {
QSslCertificateExtension extension;
if (!parseExtension(elem.value(), &extension))
return false;
extensions << extension;
if (extension.oid() == QLatin1String("2.5.29.17")) {
// subjectAltName
QAsn1Element sanElem;
if (sanElem.read(extension.value().toByteArray()) && sanElem.type() == QAsn1Element::SequenceType) {
QDataStream nameStream(sanElem.value());
QAsn1Element nameElem;
while (nameElem.read(nameStream)) {
if (nameElem.type() == QAsn1Element::Rfc822NameType) {
subjectAlternativeNames.insert(QSsl::EmailEntry, nameElem.toString());
} else if (nameElem.type() == QAsn1Element::DnsNameType) {
subjectAlternativeNames.insert(QSsl::DnsEntry, nameElem.toString());
}
}
}
}
}
}
}
}
derData = data.left(dataStream.device()->pos());
null = false;
return true;
}
