diff options
| -rw-r--r-- | src/network/socket/qnativesocketengine_win.cpp | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp index 770bae7bf3..41834b21ae 100644 --- a/src/network/socket/qnativesocketengine_win.cpp +++ b/src/network/socket/qnativesocketengine_win.cpp @@ -573,6 +573,19 @@ 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); |