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Optimize QSslSocketPrivate::isMatchingHostname()

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- Lowercase 'peerName' only once instead of each
  time though the loop
- Use C++11 range-for instead of Q_FOREACH
- Use QMap::equal_range instead of values(Key),
  saving the creation of a QList.

Change-Id: I1229f62d706d1478960b08bb63ee9fb894364f87
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Richard J. Moore <rich@kde.org>
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Marc Mutz 2016-02-04 10:38:50 +01:00
parent b034a14dc5
commit 8a54950646
1 changed files with 8 additions and 7 deletions
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15
src/network/ssl/qsslsocket.cpp
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@ -2621,18 +2621,19 @@ QSharedPointer<QSslContext> QSslSocketPrivate::sslContext(QSslSocket *socket)
bool QSslSocketPrivate::isMatchingHostname(const QSslCertificate &cert, const QString &peerName)
{
QStringList commonNameList = cert.subjectInfo(QSslCertificate::CommonName);
const QString lowerPeerName = peerName.toLower();
const QStringList commonNames = cert.subjectInfo(QSslCertificate::CommonName);
foreach (const QString &commonName, commonNameList) {
if (isMatchingHostname(commonName.toLower(), peerName.toLower())) {
for (const QString &commonName : commonNames) {
if (isMatchingHostname(commonName.toLower(), lowerPeerName))
return true;
}
}
foreach (const QString &altName, cert.subjectAlternativeNames().values(QSsl::DnsEntry)) {
if (isMatchingHostname(altName.toLower(), peerName.toLower())) {
const auto subjectAlternativeNames = cert.subjectAlternativeNames();
const auto altNames = subjectAlternativeNames.equal_range(QSsl::DnsEntry);
for (auto it = altNames.first; it != altNames.second; ++it) {
if (isMatchingHostname(it->toLower(), lowerPeerName))
return true;
}
}
return false;