Merge remote-tracking branch 'origin/5.3' into 5.4

The isAlwaysAskOption was removed in 38621713150b663355ebeb799a5a50d8e39a3c38
so manually removed code in
src/plugins/bearer/connman/qconnmanengine.cpp

Conflicts:
	src/corelib/global/qglobal.h
	src/corelib/tools/qcollator_macx.cpp
	src/corelib/tools/qstring.cpp
	src/gui/kernel/qwindow.cpp
	src/gui/kernel/qwindow_p.h
	src/gui/text/qtextengine.cpp
	src/platformsupport/fontdatabases/fontconfig/qfontenginemultifontconfig_p.h
	src/plugins/platforms/android/qandroidinputcontext.cpp
	src/plugins/platforms/xcb/qglxintegration.cpp
	src/plugins/platforms/xcb/qglxintegration.h
	src/plugins/platforms/xcb/qxcbconnection_xi2.cpp
	src/testlib/qtestcase.cpp
	src/testlib/qtestlog.cpp
	src/widgets/dialogs/qfiledialog.cpp
	src/widgets/kernel/qwindowcontainer.cpp
	tests/auto/corelib/tools/qcollator/tst_qcollator.cpp
	tests/auto/gui/text/qtextscriptengine/tst_qtextscriptengine.cpp
	tests/auto/widgets/kernel/qwidget_window/tst_qwidget_window.cpp
	tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp

Change-Id: Ic5d4187f682257a17509f6cd28d2836c6cfe2fc8

8 files changed, 57 insertions, 19 deletions

diff --git a/src/network/access/qnetworkaccessauthenticationmanager.cpp b/src/network/access/qnetworkaccessauthenticationmanager.cpp
index ea7bdc198a..b92f9c1b9b 100644
--- a/src/network/access/qnetworkaccessauthenticationmanager.cpp
+++ b/src/network/access/qnetworkaccessauthenticationmanager.cpp
@@ -231,6 +231,8 @@ void QNetworkAccessAuthenticationManager::cacheCredentials(const QUrl &url,
                                                   const QAuthenticator *authenticator)
 {
     Q_ASSERT(authenticator);
+    if (authenticator->isNull())
+        return;
     QString domain = QString::fromLatin1("/"); // FIXME: make QAuthenticator return the domain
     QString realm = authenticator->realm();
 
diff --git a/src/network/access/qnetworkaccessftpbackend.cpp b/src/network/access/qnetworkaccessftpbackend.cpp
index 246eb41657..e8695f9b56 100644
--- a/src/network/access/qnetworkaccessftpbackend.cpp
+++ b/src/network/access/qnetworkaccessftpbackend.cpp
@@ -211,7 +211,7 @@ void QNetworkAccessFtpBackend::ftpConnectionReady(QNetworkAccessCache::Cacheable
     // no, defer the actual operation until after we've logged in
 }
 
-void QNetworkAccessFtpBackend::disconnectFromFtp()
+void QNetworkAccessFtpBackend::disconnectFromFtp(CacheCleanupMode mode)
 {
     state = Disconnecting;
 
@@ -219,7 +219,12 @@ void QNetworkAccessFtpBackend::disconnectFromFtp()
         disconnect(ftp, 0, this, 0);
 
         QByteArray key = makeCacheKey(url());
-        QNetworkAccessManagerPrivate::getObjectCache(this)->releaseEntry(key);
+        if (mode == RemoveCachedConnection) {
+            QNetworkAccessManagerPrivate::getObjectCache(this)->removeEntry(key);
+            ftp->dispose();
+        } else {
+            QNetworkAccessManagerPrivate::getObjectCache(this)->releaseEntry(key);
+        }
 
         ftp = 0;
     }
@@ -274,14 +279,7 @@ void QNetworkAccessFtpBackend::ftpDone()
         }
 
         // we're not connected, so remove the cache entry:
-        QByteArray key = makeCacheKey(url());
-        QNetworkAccessManagerPrivate::getObjectCache(this)->removeEntry(key);
-
-        disconnect(ftp, 0, this, 0);
-        ftp->dispose();
-        ftp = 0;
-
-        state = Disconnecting;
+        disconnectFromFtp(RemoveCachedConnection);
         finished();
         return;
     }
@@ -301,7 +299,7 @@ void QNetworkAccessFtpBackend::ftpDone()
         else
             error(QNetworkReply::ContentAccessDenied, msg);
 
-        disconnectFromFtp();
+        disconnectFromFtp(RemoveCachedConnection);
         finished();
     }
 
diff --git a/src/network/access/qnetworkaccessftpbackend_p.h b/src/network/access/qnetworkaccessftpbackend_p.h
index c006d450b8..534efad676 100644
--- a/src/network/access/qnetworkaccessftpbackend_p.h
+++ b/src/network/access/qnetworkaccessftpbackend_p.h
@@ -90,7 +90,12 @@ public:
 
     virtual void downstreamReadyWrite();
 
-    void disconnectFromFtp();
+    enum CacheCleanupMode {
+        ReleaseCachedConnection,
+        RemoveCachedConnection
+    };
+
+    void disconnectFromFtp(CacheCleanupMode mode = ReleaseCachedConnection);
 
 public slots:
     void ftpConnectionReady(QNetworkAccessCache::CacheableObject *object);
diff --git a/src/network/kernel/qauthenticator.cpp b/src/network/kernel/qauthenticator.cpp
index ea935869fb..c4c7abb240 100644
--- a/src/network/kernel/qauthenticator.cpp
+++ b/src/network/kernel/qauthenticator.cpp
@@ -439,9 +439,7 @@ void QAuthenticatorPrivate::parseHttpResponse(const QList<QPair<QByteArray, QByt
             phase = Done;
         break;
     case Ntlm:
-        // #### extract from header
-        if (user.isEmpty() && password.isEmpty())
-            phase = Done;
+        // work is done in calculateResponse()
         break;
     case DigestMd5: {
         this->options[QLatin1String("realm")] = realm = QString::fromLatin1(options.value("realm"));
diff --git a/src/network/kernel/qurlinfo_p.h b/src/network/kernel/qurlinfo_p.h
index 1aa59f25ad..31eb0730d3 100644
--- a/src/network/kernel/qurlinfo_p.h
+++ b/src/network/kernel/qurlinfo_p.h
@@ -42,6 +42,17 @@
 #ifndef QURLINFO_H
 #define QURLINFO_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qdatetime.h>
 #include <QtCore/qstring.h>
 #include <QtCore/qiodevice.h>
diff --git a/src/network/socket/qhttpsocketengine.cpp b/src/network/socket/qhttpsocketengine.cpp
index 0a25815752..9f3c29e207 100644
--- a/src/network/socket/qhttpsocketengine.cpp
+++ b/src/network/socket/qhttpsocketengine.cpp
@@ -594,16 +594,18 @@ void QHttpSocketEngine::slotSocketReadNotification()
         priv = QAuthenticatorPrivate::getPrivate(d->authenticator);
         priv->hasFailed = false;
     } else if (statusCode == 407) {
-        if (d->credentialsSent) {
+        if (d->authenticator.isNull())
+            d->authenticator.detach();
+        priv = QAuthenticatorPrivate::getPrivate(d->authenticator);
+
+        if (d->credentialsSent && priv->phase != QAuthenticatorPrivate::Phase2) {
+            // Remember that (e.g.) NTLM is two-phase, so only reset when the authentication is not currently in progress.
             //407 response again means the provided username/password were invalid.
             d->authenticator = QAuthenticator(); //this is needed otherwise parseHttpResponse won't set the state, and then signal isn't emitted.
             d->authenticator.detach();
             priv = QAuthenticatorPrivate::getPrivate(d->authenticator);
             priv->hasFailed = true;
         }
-        else if (d->authenticator.isNull())
-            d->authenticator.detach();
-        priv = QAuthenticatorPrivate::getPrivate(d->authenticator);
 
         priv->parseHttpResponse(d->reply->header(), true);
 
diff --git a/src/network/ssl/qsslcertificateextension_p.h b/src/network/ssl/qsslcertificateextension_p.h
index cc04e76634..6891733174 100644
--- a/src/network/ssl/qsslcertificateextension_p.h
+++ b/src/network/ssl/qsslcertificateextension_p.h
@@ -42,6 +42,17 @@
 #ifndef QSSLCERTIFICATEEXTENSION_P_H
 #define QSSLCERTIFICATEEXTENSION_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include "qsslcertificateextension.h"
 
 QT_BEGIN_NAMESPACE
diff --git a/src/network/ssl/qsslcontext_openssl_p.h b/src/network/ssl/qsslcontext_openssl_p.h
index 9fb9bd2204..d4ab91f8ec 100644
--- a/src/network/ssl/qsslcontext_openssl_p.h
+++ b/src/network/ssl/qsslcontext_openssl_p.h
@@ -44,6 +44,17 @@
 #ifndef QSSLCONTEXT_OPENSSL_P_H
 #define QSSLCONTEXT_OPENSSL_P_H
 
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
 #include <QtCore/qvariant.h>
 #include <QtNetwork/qsslcertificate.h>
 #include <QtNetwork/qsslconfiguration.h>