diff options
Diffstat (limited to 'src/network/socket/qnativesocketengine_win.cpp')
| -rw-r--r-- | src/network/socket/qnativesocketengine_win.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp index dd115c33dc..2581fc048e 100644 --- a/src/network/socket/qnativesocketengine_win.cpp +++ b/src/network/socket/qnativesocketengine_win.cpp @@ -590,7 +590,8 @@ bool QNativeSocketEnginePrivate::fetchConnectionParameters() // 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) { + const uchar ipv6MappedNet[] = {0,0,0,0, 0,0,0,0, 0,0,0xff,0xff, 0,0,0,0}; + if (localAddress.isInSubnet(QHostAddress(ipv6MappedNet), 128 - 32)) { bool ok = false; const quint32 localIPv4 = localAddress.toIPv4Address(&ok); if (ok && localIPv4 == INADDR_ANY) { |