Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1: (59 commits)
  Doc: Cleaning style and adding support for Creator
  Add NTLMv2 authentication support to QAuthenticator.
  QIODPLB: Sync behavior of ungetBlock() and ungetChar()
  QFileIconProvider: Load icons on demand.
  Doc: fixing offline style
  Fix handling of SSL certificates with wildcard domain names
  Doc: fixing examples link
  doc: Fixed several qdoc warnings.
  doc: Fixed several qdoc warnings.
  SSL library loading: load system libs only once
  Revert "SSL backend: load libraries for certificates only once"
  doc: Fixed several qdoc warnings.
  doc: Fixed several qdoc warnings.
  doc: Fixed several qdoc warnings.
  doc: Fixed several qdoc warnings.
  doc: Fixed several qdoc warnings.
  Doc: Adding support for Qt Creator style
  doc: Fixed last of the declarative/QML qdoc warnings.
  qdoc: Marked some missing declarative properties and functions as \internal.
  qhelpgenerator: Fix namespace syntax checking.
  ...

2 files changed, 56 insertions, 20 deletions

diff --git a/src/network/ssl/qsslsocket_openssl.cpp b/src/network/ssl/qsslsocket_openssl.cpp
index 1d794ae..a5da391 100644
--- a/src/network/ssl/qsslsocket_openssl.cpp
+++ b/src/network/ssl/qsslsocket_openssl.cpp
@@ -475,27 +475,12 @@ bool QSslSocketPrivate::ensureLibraryLoaded()
 
 void QSslSocketPrivate::ensureCiphersAndCertsLoaded()
 {
+    QMutexLocker locker(openssl_locks()->initLock());
     if (s_loadedCiphersAndCerts)
         return;
     s_loadedCiphersAndCerts = true;
 
     resetDefaultCiphers();
-    setDefaultCaCertificates(systemCaCertificates());
-}
-
-/*!
-    \internal
-
-    Declared static in QSslSocketPrivate, makes sure the SSL libraries have
-    been initialized.
-*/
-
-void QSslSocketPrivate::ensureInitialized()
-{
-    if (!supportsSsl())
-        return;
-
-    ensureCiphersAndCertsLoaded();
 
     //load symbols needed to receive certificates from system store
 #if defined(Q_OS_MAC)
@@ -532,6 +517,22 @@ void QSslSocketPrivate::ensureInitialized()
         qWarning("could not load crypt32 library"); // should never happen
     }
 #endif
+    setDefaultCaCertificates(systemCaCertificates());
+}
+
+/*!
+    \internal
+
+    Declared static in QSslSocketPrivate, makes sure the SSL libraries have
+    been initialized.
+*/
+
+void QSslSocketPrivate::ensureInitialized()
+{
+    if (!supportsSsl())
+        return;
+
+    ensureCiphersAndCertsLoaded();
 }
 
 /*!
@@ -1105,17 +1106,16 @@ bool QSslSocketBackendPrivate::startHandshake()
             QString peerName = (verificationPeerName.isEmpty () ? q->peerName() : verificationPeerName);
             QString commonName = configuration.peerCertificate.subjectInfo(QSslCertificate::CommonName);
 
-            QRegExp regexp(commonName, Qt::CaseInsensitive, QRegExp::Wildcard);
-            if (!regexp.exactMatch(peerName)) {
+            if (!isMatchingHostname(commonName.lower(), peerName.lower())) {
                 bool matched = false;
                 foreach (const QString &altName, configuration.peerCertificate
                          .alternateSubjectNames().values(QSsl::DnsEntry)) {
-                    regexp.setPattern(altName);
-                    if (regexp.exactMatch(peerName)) {
+                    if (isMatchingHostname(altName.lower(), peerName.lower())) {
                         matched = true;
                         break;
                     }
                 }
+
                 if (!matched) {
                     // No matches in common names or alternate names.
                     QSslError error(QSslError::HostNameMismatch, configuration.peerCertificate);
@@ -1245,4 +1245,39 @@ QList<QSslCertificate> QSslSocketBackendPrivate::STACKOFX509_to_QSslCertificates
     return certificates;
 }
 
+bool QSslSocketBackendPrivate::isMatchingHostname(const QString &cn, const QString &hostname)
+{
+    int wildcard = cn.indexOf(QLatin1Char('*'));
+
+    // Check this is a wildcard cert, if not then just compare the strings
+    if (wildcard < 0)
+        return cn == hostname;
+
+    int firstCnDot = cn.indexOf(QLatin1Char('.'));
+    int secondCnDot = cn.indexOf(QLatin1Char('.'), firstCnDot+1);
+
+    // Check at least 3 components
+    if ((-1 == secondCnDot) || (secondCnDot+1 >= cn.length()))
+        return false;
+
+    // Check * is last character of 1st component (ie. there's a following .)
+    if (wildcard+1 != firstCnDot)
+        return false;
+
+    // Check only one star
+    if (cn.lastIndexOf(QLatin1Char('*')) != wildcard)
+        return false;
+
+    // Check characters preceding * (if any) match
+    if (wildcard && (hostname.leftRef(wildcard) != cn.leftRef(wildcard)))
+        return false;
+
+    // Check characters following first . match
+    if (hostname.midRef(hostname.indexOf(QLatin1Char('.'))) != cn.midRef(firstCnDot))
+        return false;
+
+    // Ok, I guess this was a wildcard CN and the hostname matches.
+    return true;
+}
+
 QT_END_NAMESPACE
diff --git a/src/network/ssl/qsslsocket_openssl_p.h b/src/network/ssl/qsslsocket_openssl_p.h
index 987dfae..7a4e6b6 100644
--- a/src/network/ssl/qsslsocket_openssl_p.h
+++ b/src/network/ssl/qsslsocket_openssl_p.h
@@ -116,6 +116,7 @@ public:
 
     static QSslCipher QSslCipher_from_SSL_CIPHER(SSL_CIPHER *cipher);
     static QList<QSslCertificate> STACKOFX509_to_QSslCertificates(STACK_OF(X509) *x509);
+    Q_AUTOTEST_EXPORT static bool isMatchingHostname(const QString &cn, const QString &hostname);
 };
 
 #if defined(Q_OS_SYMBIAN)