Merge remote-tracking branch 'origin/5.7' into dev

Conflicts:
	config_help.txt
	configure
	src/corelib/io/qprocess_wince.cpp
	src/plugins/platforms/windows/qwindowstheme.cpp
	src/plugins/platforms/xcb/qxcbbackingstore.cpp
	tests/auto/corelib/tools/qtimezone/BLACKLIST
	tests/auto/network/socket/qudpsocket/tst_qudpsocket.cpp
	tests/auto/widgets/kernel/qwidget/tst_qwidget.cpp

Change-Id: I26644d1cb3b78412c8ff285e2a55bea1bd641c01

1 files changed, 23 insertions, 8 deletions

diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp
index 07f4899bae..0c5b8d9264 100644
--- a/src/network/socket/qnativesocketengine_win.cpp
+++ b/src/network/socket/qnativesocketengine_win.cpp
@@ -572,6 +572,19 @@ bool QNativeSocketEnginePrivate::fetchConnectionParameters()
             }
     }
 
+    // Some Windows kernels return a v4-mapped QHostAddress::AnyIPv4 as a
+    // local address of the socket which bound on both IPv4 and IPv6 interfaces.
+    // This address does not match to any special address and should not be used
+    // to send the data. So, replace it with QHostAddress::Any.
+    if (socketProtocol == QAbstractSocket::IPv6Protocol) {
+        bool ok = false;
+        const quint32 localIPv4 = localAddress.toIPv4Address(&ok);
+        if (ok && localIPv4 == INADDR_ANY) {
+            socketProtocol = QAbstractSocket::AnyIPProtocol;
+            localAddress = QHostAddress::Any;
+        }
+    }
+
     memset(&sa, 0, sizeof(sa));
     if (::getpeername(socketDescriptor, &sa.a, &sockAddrSize) == 0) {
         qt_socket_getPortAndAddress(socketDescriptor, &sa, &peerPort, &peerAddress);
@@ -934,7 +947,7 @@ static bool multicastMembershipHelper(QNativeSocketEnginePrivate *d,
         mreq4.imr_multiaddr.s_addr = htonl(groupAddress.toIPv4Address());
 
         if (iface.isValid()) {
-            QList<QNetworkAddressEntry> addressEntries = iface.addressEntries();
+            const QList<QNetworkAddressEntry> addressEntries = iface.addressEntries();
             if (!addressEntries.isEmpty()) {
                 QHostAddress firstIP = addressEntries.first().ip();
                 mreq4.imr_interface.s_addr = htonl(firstIP.toIPv4Address());
@@ -1158,7 +1171,7 @@ qint64 QNativeSocketEnginePrivate::nativePendingDatagramSize() const
         delete[] buf;
 
 #if defined (QNATIVESOCKETENGINE_DEBUG)
-    qDebug("QNativeSocketEnginePrivate::nativePendingDatagramSize() == %li", ret);
+    qDebug("QNativeSocketEnginePrivate::nativePendingDatagramSize() == %lli", ret);
 #endif
 
     return ret;
@@ -1258,10 +1271,11 @@ qint64 QNativeSocketEnginePrivate::nativeReceiveDatagram(char *data, qint64 maxL
     }
 
 #if defined (QNATIVESOCKETENGINE_DEBUG)
-    qDebug("QNativeSocketEnginePrivate::nativeReceiveDatagram(%p \"%s\", %li, %s, %i) == %li",
+    bool printSender = (ret != -1 && (options & QNativeSocketEngine::WantDatagramSender) != 0);
+    qDebug("QNativeSocketEnginePrivate::nativeReceiveDatagram(%p \"%s\", %lli, %s, %i) == %lli",
            data, qt_prettyDebug(data, qMin<qint64>(ret, 16), ret).data(), maxLength,
-           address ? address->toString().toLatin1().constData() : "(nil)",
-           port ? *port : 0, ret);
+           printSender ? header->senderAddress.toString().toLatin1().constData() : "(unknown)",
+           printSender ? header->senderPort : 0, ret);
 #endif
 
     return ret;
@@ -1368,9 +1382,10 @@ qint64 QNativeSocketEnginePrivate::nativeSendDatagram(const char *data, qint64 l
     }
 
 #if defined (QNATIVESOCKETENGINE_DEBUG)
-    qDebug("QNativeSocketEnginePrivate::nativeSendDatagram(%p \"%s\", %li, \"%s\", %i) == %li", data,
-           qt_prettyDebug(data, qMin<qint64>(len, 16), len).data(), 0, address.toString().toLatin1().constData(),
-           port, ret);
+    qDebug("QNativeSocketEnginePrivate::nativeSendDatagram(%p \"%s\", %lli, \"%s\", %i) == %lli", data,
+           qt_prettyDebug(data, qMin<qint64>(len, 16), len).data(), len,
+           header.destinationAddress.toString().toLatin1().constData(),
+           header.destinationPort, ret);
 #endif
 
     return ret;