QT_BEGIN_INCLUDE_NAMESPACE
#  include <features.h>
QT_END_INCLUDE_NAMESPACE
# endif

# if defined(Q_OS_LINUX) &&  __GLIBC__ - 0 >= 2 && __GLIBC_MINOR__ - 0 >= 1
#  include <netpacket/packet.h>

static QList<QNetworkInterfacePrivate *> createInterfaces(ifaddrs *rawList)
{
    QList<QNetworkInterfacePrivate *> interfaces;

    for (ifaddrs *ptr = rawList; ptr; ptr = ptr->ifa_next) {
        if ( !ptr->ifa_addr )
            continue;

        // Get the interface index
        int ifindex = if_nametoindex(ptr->ifa_name);

        // on Linux we use AF_PACKET and sockaddr_ll to obtain hHwAddress
        QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
        for ( ; if_it != interfaces.end(); ++if_it)
            if ((*if_it)->index == ifindex) {
                // this one has been added already
                if ( ptr->ifa_addr->sa_family == AF_PACKET
                        && (*if_it)->hardwareAddress.isEmpty()) {
                    sockaddr_ll *sll = (sockaddr_ll *)ptr->ifa_addr;
                    (*if_it)->hardwareAddress = (*if_it)->makeHwAddress(sll->sll_halen, (uchar*)sll->sll_addr);
                }
                break;
            }
        if ( if_it != interfaces.end() ) 
            continue;
        
        QNetworkInterfacePrivate *iface = new QNetworkInterfacePrivate;
        interfaces << iface;
        iface->index = ifindex;
        iface->name = QString::fromLatin1(ptr->ifa_name);
        iface->flags = convertFlags(ptr->ifa_flags);

        if ( ptr->ifa_addr->sa_family == AF_PACKET ) {
            sockaddr_ll *sll = (sockaddr_ll *)ptr->ifa_addr;
            iface->hardwareAddress = iface->makeHwAddress(sll->sll_halen, (uchar*)sll->sll_addr);
        }
    }

    return interfaces;
}
QT_BEGIN_INCLUDE_NAMESPACE
#  include <features.h>
QT_END_INCLUDE_NAMESPACE
# endif

# if defined(Q_OS_LINUX) &&  __GLIBC__ - 0 >= 2 && __GLIBC_MINOR__ - 0 >= 1 && !defined(QT_LINUXBASE)
#  include <netpacket/packet.h>

static QList<QNetworkInterfacePrivate *> createInterfaces(ifaddrs *rawList)
{
    QList<QNetworkInterfacePrivate *> interfaces;
    QSet<QString> seenInterfaces;

    // on Linux, AF_PACKET addresses carry the hardware address and interface index;
    // scan for them first (they're usually first, but we have no guarantee this
    // will be the case forever)
    for (ifaddrs *ptr = rawList; ptr; ptr = ptr->ifa_next) {
        if (ptr->ifa_addr && ptr->ifa_addr->sa_family == AF_PACKET) {
            sockaddr_ll *sll = (sockaddr_ll *)ptr->ifa_addr;
            QNetworkInterfacePrivate *iface = new QNetworkInterfacePrivate;
            interfaces << iface;
            iface->index = sll->sll_ifindex;
            iface->name = QString::fromLatin1(ptr->ifa_name);
            iface->flags = convertFlags(ptr->ifa_flags);
            iface->hardwareAddress = iface->makeHwAddress(sll->sll_halen, (uchar*)sll->sll_addr);

            seenInterfaces.insert(iface->name);
        }
    }

    // see if we missed anything:
    // virtual interfaces with no HW address have no AF_PACKET
    for (ifaddrs *ptr = rawList; ptr; ptr = ptr->ifa_next) {
        if (ptr->ifa_addr && ptr->ifa_addr->sa_family != AF_PACKET) {
            QString name = QString::fromLatin1(ptr->ifa_name);
            if (seenInterfaces.contains(name))
                continue;

            QNetworkInterfacePrivate *iface = new QNetworkInterfacePrivate;
            interfaces << iface;
            iface->name = name;
            iface->flags = convertFlags(ptr->ifa_flags);
            iface->index = if_nametoindex(ptr->ifa_name);
        }
    }

    return interfaces;
}
QT_BEGIN_INCLUDE_NAMESPACE
#  include <net/if_dl.h>
QT_END_INCLUDE_NAMESPACE

static QList<QNetworkInterfacePrivate *> createInterfaces(ifaddrs *rawList)
{
    QList<QNetworkInterfacePrivate *> interfaces;

    // on NetBSD we use AF_LINK and sockaddr_dl
    // scan the list for that family
    for (ifaddrs *ptr = rawList; ptr; ptr = ptr->ifa_next)
        if (ptr->ifa_addr && ptr->ifa_addr->sa_family == AF_LINK) {
            QNetworkInterfacePrivate *iface = new QNetworkInterfacePrivate;
            interfaces << iface;

            sockaddr_dl *sdl = (sockaddr_dl *)ptr->ifa_addr;
            iface->index = sdl->sdl_index;
            iface->name = QString::fromLatin1(ptr->ifa_name);
            iface->flags = convertFlags(ptr->ifa_flags);
            iface->hardwareAddress = iface->makeHwAddress(sdl->sdl_alen, (uchar*)LLADDR(sdl));
        }

    return interfaces;
}
static QNetworkInterfacePrivate *findInterface(int socket, QList<QNetworkInterfacePrivate *> &interfaces,
                                               struct ifreq &req)
{
    QNetworkInterfacePrivate *iface = 0;
    int ifindex = 0;

#ifndef QT_NO_IPV6IFNAME
    // Get the interface index
    ifindex = if_nametoindex(req.ifr_name);

    // find the interface data
    QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
    for ( ; if_it != interfaces.end(); ++if_it)
        if ((*if_it)->index == ifindex) {
            // existing interface
            iface = *if_it;
            break;
        }
#else
    // Search by name
    QList<QNetworkInterfacePrivate *>::Iterator if_it = interfaces.begin();
    for ( ; if_it != interfaces.end(); ++if_it)
        if ((*if_it)->name == QLatin1String(req.ifr_name)) {
            // existing interface
            iface = *if_it;
            break;
        }
#endif

    if (!iface) {
        // new interface, create data:
        iface = new QNetworkInterfacePrivate;
        iface->index = ifindex;
        interfaces << iface;

#ifdef SIOCGIFNAME
        // Get the canonical name
        QByteArray oldName = req.ifr_name;
        if (qt_safe_ioctl(socket, SIOCGIFNAME, &req) >= 0) {
            iface->name = QString::fromLatin1(req.ifr_name);

            // reset the name:
            memcpy(req.ifr_name, oldName, qMin<int>(oldName.length() + 1, sizeof(req.ifr_name) - 1));
        } else
#endif
	{
            // use this name anyways
            iface->name = QString::fromLatin1(req.ifr_name);
        }

        // Get interface flags
        if (qt_safe_ioctl(socket, SIOCGIFFLAGS, &req) >= 0) {
            iface->flags = convertFlags(req.ifr_flags);
        }

#ifdef SIOCGIFHWADDR
        // Get the HW address
        if (qt_safe_ioctl(socket, SIOCGIFHWADDR, &req) >= 0) {
            uchar *addr = (uchar *)req.ifr_addr.sa_data;
            iface->hardwareAddress = iface->makeHwAddress(6, addr);
        }
#endif
    }

    return iface;
}
Example #5
0
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;
}