void tst_QNetworkAddressEntry::prefixAndNetmask()
{
QFETCH(QHostAddress, ip);
QFETCH(QHostAddress, netmask);
QFETCH(int, prefix);
QNetworkAddressEntry entry;
// first, without setting the IP, all must be invalid:
entry.setNetmask(netmask);
QVERIFY(entry.netmask().isNull());
entry.setPrefixLength(prefix);
QCOMPARE(entry.prefixLength(), -1);
// set the IP:
entry.setIp(ip);
// set the netmask:
if (!netmask.isNull()) {
entry.setNetmask(netmask);
// was it a valid one?
if (prefix != -1) {
QVERIFY(!entry.netmask().isNull());
QCOMPARE(entry.netmask(), netmask);
QCOMPARE(entry.prefixLength(), prefix);
} else {
// not valid
QVERIFY(entry.netmask().isNull());
QCOMPARE(entry.prefixLength(), -1);
}
}
entry.setNetmask(QHostAddress());
QVERIFY(entry.netmask().isNull());
QCOMPARE(entry.prefixLength(), -1);
// set the prefix
if (prefix != -1) {
entry.setPrefixLength(prefix);
// was it a valid one?
if (!netmask.isNull()) {
QVERIFY(!entry.netmask().isNull());
QCOMPARE(entry.netmask(), netmask);
QCOMPARE(entry.prefixLength(), prefix);
} else {
// not valid
QVERIFY(entry.netmask().isNull());
QCOMPARE(entry.prefixLength(), -1);
}
}
entry.setPrefixLength(-1);
QVERIFY(entry.netmask().isNull());
QCOMPARE(entry.prefixLength(), -1);
}
static QList<QNetworkInterfacePrivate *> interfaceListingWin2k()
{
QList<QNetworkInterfacePrivate *> interfaces;
IP_ADAPTER_INFO staticBuf[2]; // 2 is arbitrary
PIP_ADAPTER_INFO pAdapter = staticBuf;
ULONG bufSize = sizeof staticBuf;
DWORD retval = ptrGetAdaptersInfo(pAdapter, &bufSize);
if (retval == ERROR_BUFFER_OVERFLOW) {
// need more memory
pAdapter = (IP_ADAPTER_INFO *)malloc(bufSize);
if (!pAdapter)
return interfaces;
// try again
if (ptrGetAdaptersInfo(pAdapter, &bufSize) != ERROR_SUCCESS) {
free(pAdapter);
return interfaces;
}
} else if (retval != ERROR_SUCCESS) {
// error
return interfaces;
}
// iterate over the list and add the entries to our listing
for (PIP_ADAPTER_INFO ptr = pAdapter; ptr; ptr = ptr->Next) {
QNetworkInterfacePrivate *iface = new QNetworkInterfacePrivate;
interfaces << iface;
iface->index = ptr->Index;
iface->flags = QNetworkInterface::IsUp | QNetworkInterface::IsRunning;
if (ptr->Type == MIB_IF_TYPE_PPP)
iface->flags |= QNetworkInterface::IsPointToPoint;
else
iface->flags |= QNetworkInterface::CanBroadcast;
iface->name = QString::fromLocal8Bit(ptr->AdapterName);
iface->hardwareAddress = QNetworkInterfacePrivate::makeHwAddress(ptr->AddressLength,
ptr->Address);
for (PIP_ADDR_STRING addr = &ptr->IpAddressList; addr; addr = addr->Next) {
QNetworkAddressEntry entry;
entry.setIp(QHostAddress(QLatin1String(addr->IpAddress.String)));
entry.setNetmask(QHostAddress(QLatin1String(addr->IpMask.String)));
// broadcast address is set on postProcess()
iface->addressEntries << entry;
}
}
if (pAdapter != staticBuf)
free(pAdapter);
return interfaces;
}
static QList<QNetworkInterfacePrivate *> interfaceListing()
{
QList<QNetworkInterfacePrivate *> interfaces;
int socket;
if ((socket = qt_safe_socket(AF_INET, SOCK_STREAM, IPPROTO_IP)) == -1)
return interfaces; // error
ifaddrs *interfaceListing;
if (getifaddrs(&interfaceListing) == -1) {
// error
::close(socket);
return interfaces;
}
interfaces = createInterfaces(interfaceListing);
for (ifaddrs *ptr = interfaceListing; ptr; ptr = ptr->ifa_next) {
// Get the interface index
int ifindex = if_nametoindex(ptr->ifa_name);
QNetworkInterfacePrivate *iface = 0;
QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
for ( ; if_it != interfaces.end(); ++if_it)
if ((*if_it)->index == ifindex) {
// found this interface already
iface = *if_it;
break;
}
if (!iface) {
// skip all non-IP interfaces
continue;
}
QNetworkAddressEntry entry;
entry.setIp(addressFromSockaddr(ptr->ifa_addr));
if (entry.ip().isNull())
// could not parse the address
continue;
entry.setNetmask(addressFromSockaddr(ptr->ifa_netmask));
if (iface->flags & QNetworkInterface::CanBroadcast)
entry.setBroadcast(addressFromSockaddr(ptr->ifa_broadaddr));
iface->addressEntries << entry;
}
freeifaddrs(interfaceListing);
::close(socket);
return interfaces;
}
static QList<QNetworkInterfacePrivate *> interfaceListing()
{
QList<QNetworkInterfacePrivate *> interfaces;
int socket;
if ((socket = qt_safe_socket(AF_INET, SOCK_STREAM, IPPROTO_IP)) == -1)
return interfaces; // error
QSet<QByteArray> names = interfaceNames(socket);
QSet<QByteArray>::ConstIterator it = names.constBegin();
for ( ; it != names.constEnd(); ++it) {
ifreq req;
memset(&req, 0, sizeof(ifreq));
memcpy(req.ifr_name, *it, qMin<int>(it->length() + 1, sizeof(req.ifr_name) - 1));
QNetworkInterfacePrivate *iface = findInterface(socket, interfaces, req);
// Get the interface broadcast address
QNetworkAddressEntry entry;
if (iface->flags & QNetworkInterface::CanBroadcast) {
if (qt_safe_ioctl(socket, SIOCGIFBRDADDR, &req) >= 0) {
sockaddr *sa = &req.ifr_addr;
if (sa->sa_family == AF_INET)
entry.setBroadcast(addressFromSockaddr(sa));
}
}
// Get the interface netmask
if (qt_safe_ioctl(socket, SIOCGIFNETMASK, &req) >= 0) {
sockaddr *sa = &req.ifr_addr;
entry.setNetmask(addressFromSockaddr(sa));
}
// Get the address of the interface
if (qt_safe_ioctl(socket, SIOCGIFADDR, &req) >= 0) {
sockaddr *sa = &req.ifr_addr;
entry.setIp(addressFromSockaddr(sa));
}
iface->addressEntries << entry;
}
::close(socket);
return interfaces;
}
static QList<QNetworkInterfacePrivate *> interfaceListing()
{
QList<QNetworkInterfacePrivate *> interfaces;
ifaddrs *interfaceListing;
if (getifaddrs(&interfaceListing) == -1) {
// error
return interfaces;
}
interfaces = createInterfaces(interfaceListing);
for (ifaddrs *ptr = interfaceListing; ptr; ptr = ptr->ifa_next) {
// Get the interface index
QString name = QString::fromLatin1(ptr->ifa_name);
QNetworkInterfacePrivate *iface = 0;
QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
for ( ; if_it != interfaces.end(); ++if_it)
if ((*if_it)->name == name) {
// found this interface already
iface = *if_it;
break;
}
if (!iface) {
// skip all non-IP interfaces
continue;
}
QNetworkAddressEntry entry;
entry.setIp(addressFromSockaddr(ptr->ifa_addr, iface->index, iface->name));
if (entry.ip().isNull())
// could not parse the address
continue;
entry.setNetmask(addressFromSockaddr(ptr->ifa_netmask, iface->index, iface->name));
if (iface->flags & QNetworkInterface::CanBroadcast)
entry.setBroadcast(addressFromSockaddr(ptr->ifa_broadaddr, iface->index, iface->name));
iface->addressEntries << entry;
}
freeifaddrs(interfaceListing);
return interfaces;
}
static QList<QNetworkInterfacePrivate *> interfaceListing()
{
TInt err(KErrNone);
QList<QNetworkInterfacePrivate *> interfaces;
QList<QHostAddress> addressesWithEstimatedNetmasks;
// Open dummy socket for interface queries
RSocket socket;
err = socket.Open(qt_symbianGetSocketServer(), _L("udp"));
if (err) {
return interfaces;
}
// Ask socket to start enumerating interfaces
err = socket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl);
if (err) {
socket.Close();
return interfaces;
}
int ifindex = 0;
TPckgBuf<TSoInetInterfaceInfo> infoPckg;
TSoInetInterfaceInfo &info = infoPckg();
while (socket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, infoPckg) == KErrNone) {
if (info.iName != KNullDesC) {
TName address;
QNetworkAddressEntry entry;
QNetworkInterfacePrivate *iface = 0;
iface = new QNetworkInterfacePrivate;
iface->index = ifindex++;
interfaces << iface;
iface->name = qt_TDesC2QString(info.iName);
iface->flags = convertFlags(info);
if (/*info.iFeatures&KIfHasHardwareAddr &&*/ info.iHwAddr.Family() != KAFUnspec) {
for (TInt i = sizeof(SSockAddr); i < sizeof(SSockAddr) + info.iHwAddr.GetUserLen(); i++) {
address.AppendNumFixedWidth(info.iHwAddr[i], EHex, 2);
if ((i + 1) < sizeof(SSockAddr) + info.iHwAddr.GetUserLen())
address.Append(_L(":"));
}
address.UpperCase();
iface->hardwareAddress = qt_TDesC2QString(address);
}
// Get the address of the interface
entry.setIp(qt_QHostAddressFromTInetAddr(info.iAddress));
#if defined(QNETWORKINTERFACE_DEBUG)
qDebug() << "address is" << info.iAddress.Family() << entry.ip();
qDebug() << "netmask is" << info.iNetMask.Family() << qt_QHostAddressFromTInetAddr( info.iNetMask );
#endif
// Get the interface netmask
if (info.iNetMask.IsUnspecified()) {
// For some reason netmask is always 0.0.0.0 for IPv4 interfaces
// and loopback interfaces (which we statically know)
if (info.iAddress.IsV4Mapped()) {
if (info.iFeatures & KIfIsLoopback) {
entry.setPrefixLength(32);
} else {
// Workaround: Let Symbian determine netmask based on IP address class (IPv4 only API)
TInetAddr netmask;
netmask.NetMask(info.iAddress);
entry.setNetmask(QHostAddress(netmask.Address())); //binary convert v4 address
addressesWithEstimatedNetmasks << entry.ip();
#if defined(QNETWORKINTERFACE_DEBUG)
qDebug() << "address class determined netmask" << entry.netmask();
#endif
}
} else {
// For IPv6 interfaces
if (info.iFeatures & KIfIsLoopback) {
entry.setPrefixLength(128);
} else if (info.iNetMask.IsUnspecified()) {
//Don't see this error for IPv6, but try to handle it if it happens
entry.setPrefixLength(64); //most common
#if defined(QNETWORKINTERFACE_DEBUG)
qDebug() << "total guess netmask" << entry.netmask();
#endif
addressesWithEstimatedNetmasks << entry.ip();
}
}
} else {
//Expected code path for IPv6 non loopback interfaces (IPv4 could come here if symbian is fixed)
entry.setNetmask(qt_QHostAddressFromTInetAddr(info.iNetMask));
#if defined(QNETWORKINTERFACE_DEBUG)
qDebug() << "reported netmask" << entry.netmask();
#endif
}
// broadcast address is determined from the netmask in postProcess()
// Add new entry to interface address entries
iface->addressEntries << entry;
#if defined(QNETWORKINTERFACE_DEBUG)
qDebug("\n Found network interface %s, interface flags:\n\
IsUp = %d, IsRunning = %d, CanBroadcast = %d,\n\
IsLoopBack = %d, IsPointToPoint = %d, CanMulticast = %d, \n\
ip = %s, netmask = %s, broadcast = %s,\n\
hwaddress = %s",
iface->name.toLatin1().constData(),
iface->flags & QNetworkInterface::IsUp, iface->flags & QNetworkInterface::IsRunning, iface->flags & QNetworkInterface::CanBroadcast,
iface->flags & QNetworkInterface::IsLoopBack, iface->flags & QNetworkInterface::IsPointToPoint, iface->flags & QNetworkInterface::CanMulticast,
entry.ip().toString().toLatin1().constData(), entry.netmask().toString().toLatin1().constData(), entry.broadcast().toString().toLatin1().constData(),
iface->hardwareAddress.toLatin1().constData());
#endif
}
}
static QList<QNetworkInterfacePrivate *> interfaceListingWinXP()
{
QList<QNetworkInterfacePrivate *> interfaces;
IP_ADAPTER_ADDRESSES staticBuf[2]; // 2 is arbitrary
PIP_ADAPTER_ADDRESSES pAdapter = staticBuf;
ULONG bufSize = sizeof staticBuf;
const QHash<QHostAddress, QHostAddress> &ipv4netmasks = ipv4Netmasks();
ULONG flags = GAA_FLAG_INCLUDE_PREFIX |
GAA_FLAG_SKIP_DNS_SERVER |
GAA_FLAG_SKIP_MULTICAST;
ULONG retval = ptrGetAdaptersAddresses(AF_UNSPEC, flags, NULL, pAdapter, &bufSize);
if (retval == ERROR_BUFFER_OVERFLOW) {
// need more memory
pAdapter = (IP_ADAPTER_ADDRESSES *)malloc(bufSize);
if (!pAdapter)
return interfaces;
// try again
if (ptrGetAdaptersAddresses(AF_UNSPEC, flags, NULL, pAdapter, &bufSize) != ERROR_SUCCESS) {
free(pAdapter);
return interfaces;
}
} else if (retval != ERROR_SUCCESS) {
// error
return interfaces;
}
// iterate over the list and add the entries to our listing
for (PIP_ADAPTER_ADDRESSES ptr = pAdapter; ptr; ptr = ptr->Next) {
QNetworkInterfacePrivate *iface = new QNetworkInterfacePrivate;
interfaces << iface;
iface->index = 0;
if (ptr->Length >= offsetof(IP_ADAPTER_ADDRESSES, Ipv6IfIndex) && ptr->Ipv6IfIndex != 0)
iface->index = ptr->Ipv6IfIndex;
else if (ptr->IfIndex != 0)
iface->index = ptr->IfIndex;
iface->flags = QNetworkInterface::CanBroadcast;
if (ptr->OperStatus == IfOperStatusUp)
iface->flags |= QNetworkInterface::IsUp | QNetworkInterface::IsRunning;
if ((ptr->Flags & IP_ADAPTER_NO_MULTICAST) == 0)
iface->flags |= QNetworkInterface::CanMulticast;
if (ptr->IfType == IF_TYPE_PPP)
iface->flags |= QNetworkInterface::IsPointToPoint;
iface->name = QString::fromLocal8Bit(ptr->AdapterName);
iface->friendlyName = QString::fromWCharArray(ptr->FriendlyName);
if (ptr->PhysicalAddressLength)
iface->hardwareAddress = iface->makeHwAddress(ptr->PhysicalAddressLength,
ptr->PhysicalAddress);
else
// loopback if it has no address
iface->flags |= QNetworkInterface::IsLoopBack;
// The GetAdaptersAddresses call has an interesting semantic:
// It can return a number N of addresses and a number M of prefixes.
// But if you have IPv6 addresses, generally N > M.
// I cannot find a way to relate the Address to the Prefix, aside from stopping
// the iteration at the last Prefix entry and assume that it applies to all addresses
// from that point on.
PIP_ADAPTER_PREFIX pprefix = 0;
if (ptr->Length >= offsetof(IP_ADAPTER_ADDRESSES, FirstPrefix))
pprefix = ptr->FirstPrefix;
for (PIP_ADAPTER_UNICAST_ADDRESS addr = ptr->FirstUnicastAddress; addr; addr = addr->Next) {
QNetworkAddressEntry entry;
entry.setIp(addressFromSockaddr(addr->Address.lpSockaddr));
if (pprefix) {
if (entry.ip().protocol() == QAbstractSocket::IPv4Protocol) {
entry.setNetmask(ipv4netmasks[entry.ip()]);
// broadcast address is set on postProcess()
} else { //IPV6
entry.setPrefixLength(pprefix->PrefixLength);
}
pprefix = pprefix->Next ? pprefix->Next : pprefix;
}
iface->addressEntries << entry;
}
}
if (pAdapter != staticBuf)
free(pAdapter);
return interfaces;
}
static QList<QNetworkInterfacePrivate *> interfaceListing()
{
TInt err(KErrNone);
QList<QNetworkInterfacePrivate *> interfaces;
// Connect to Native socket server
RSocketServ socketServ;
err = socketServ.Connect();
if (err)
return interfaces;
// Open dummy socket for interface queries
RSocket socket;
err = socket.Open(socketServ, _L("udp"));
if (err) {
socketServ.Close();
return interfaces;
}
// Ask socket to start enumerating interfaces
err = socket.SetOpt(KSoInetEnumInterfaces, KSolInetIfCtrl);
if (err) {
socket.Close();
socketServ.Close();
return interfaces;
}
int ifindex = 0;
TPckgBuf<TSoInetInterfaceInfo> infoPckg;
TSoInetInterfaceInfo &info = infoPckg();
while (socket.GetOpt(KSoInetNextInterface, KSolInetIfCtrl, infoPckg) == KErrNone) {
// Do not include IPv6 addresses because netmask and broadcast address cannot be determined correctly
if (info.iName != KNullDesC && info.iAddress.IsV4Mapped()) {
TName address;
QNetworkAddressEntry entry;
QNetworkInterfacePrivate *iface = 0;
iface = new QNetworkInterfacePrivate;
iface->index = ifindex++;
interfaces << iface;
iface->name = qt_TDesC2QString(info.iName);
iface->flags = convertFlags(info);
if (/*info.iFeatures&KIfHasHardwareAddr &&*/ info.iHwAddr.Family() != KAFUnspec) {
for (TInt i = sizeof(SSockAddr); i < sizeof(SSockAddr) + info.iHwAddr.GetUserLen(); i++) {
address.AppendNumFixedWidth(info.iHwAddr[i], EHex, 2);
if ((i + 1) < sizeof(SSockAddr) + info.iHwAddr.GetUserLen())
address.Append(_L(":"));
}
address.UpperCase();
iface->hardwareAddress = qt_TDesC2QString(address);
}
// Get the address of the interface
info.iAddress.Output(address);
entry.setIp(QHostAddress(qt_TDesC2QString(address)));
// Get the interface netmask
// For some reason netmask is always 0.0.0.0
// info.iNetMask.Output(address);
// entry.setNetmask( QHostAddress( qt_TDesC2QString( address ) ) );
// Workaround: Let Symbian determine netmask based on IP address class
// TODO: Works only for IPv4 - Task: 259128 Implement IPv6 support
TInetAddr netmask;
netmask.NetMask(info.iAddress);
netmask.Output(address);
entry.setNetmask(QHostAddress(qt_TDesC2QString(address)));
// Get the interface broadcast address
if (iface->flags & QNetworkInterface::CanBroadcast) {
// For some reason broadcast address is always 0.0.0.0
// info.iBrdAddr.Output(address);
// entry.setBroadcast( QHostAddress( qt_TDesC2QString( address ) ) );
// Workaround: Let Symbian determine broadcast address based on IP address
// TODO: Works only for IPv4 - Task: 259128 Implement IPv6 support
TInetAddr broadcast;
broadcast.NetBroadcast(info.iAddress);
broadcast.Output(address);
entry.setBroadcast(QHostAddress(qt_TDesC2QString(address)));
}
// Add new entry to interface address entries
iface->addressEntries << entry;
#if defined(QNETWORKINTERFACE_DEBUG)
printf("\n Found network interface %s, interface flags:\n\
IsUp = %d, IsRunning = %d, CanBroadcast = %d,\n\
IsLoopBack = %d, IsPointToPoint = %d, CanMulticast = %d, \n\
ip = %s, netmask = %s, broadcast = %s,\n\
hwaddress = %s",
iface->name.toLatin1().constData(),
iface->flags & QNetworkInterface::IsUp, iface->flags & QNetworkInterface::IsRunning, iface->flags & QNetworkInterface::CanBroadcast,
iface->flags & QNetworkInterface::IsLoopBack, iface->flags & QNetworkInterface::IsPointToPoint, iface->flags & QNetworkInterface::CanMulticast,
entry.ip().toString().toLatin1().constData(), entry.netmask().toString().toLatin1().constData(), entry.broadcast().toString().toLatin1().constData(),
iface->hardwareAddress.toLatin1().constData());
#endif
}
}
