diff options
Diffstat (limited to 'src/network/socket/qnativesocketengine_win.cpp')
| -rw-r--r-- | src/network/socket/qnativesocketengine_win.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/network/socket/qnativesocketengine_win.cpp b/src/network/socket/qnativesocketengine_win.cpp index e57bfcb52b..d7bbe7eb86 100644 --- a/src/network/socket/qnativesocketengine_win.cpp +++ b/src/network/socket/qnativesocketengine_win.cpp @@ -615,6 +615,16 @@ bool QNativeSocketEnginePrivate::nativeConnect(const QHostAddress &address, quin setPortAndAddress(&sockAddrIPv4, &sockAddrIPv6, port, address, &sockAddrPtr, &sockAddrSize); +#if defined (IPV6_V6ONLY) + if (socketProtocol == QAbstractSocket::IPv6Protocol && address.toIPv4Address()) { + //IPV6_V6ONLY option must be cleared to connect to a V4 mapped address + if (QSysInfo::windowsVersion() >= QSysInfo::WV_6_0) { + DWORD ipv6only = 0; + ipv6only = ::setsockopt(socketDescriptor, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&ipv6only, sizeof(ipv6only) ); + } + } +#endif + forever { int connectResult = ::WSAConnect(socketDescriptor, sockAddrPtr, sockAddrSize, 0,0,0,0); if (connectResult == SOCKET_ERROR) { |