--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/network/kernel/qnetworkinterface_unix.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,449 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtNetwork module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qset.h"
+#include "qnetworkinterface.h"
+#include "qnetworkinterface_p.h"
+#include "qalgorithms.h"
+#include "private/qnet_unix_p.h"
+
+#ifndef QT_NO_NETWORKINTERFACE
+
+#define IP_MULTICAST // make AIX happy and define IFF_MULTICAST
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#ifdef Q_OS_SOLARIS
+# include <sys/sockio.h>
+#endif
+#include <net/if.h>
+
+#ifndef QT_NO_GETIFADDRS
+# include <ifaddrs.h>
+#endif
+
+#ifdef QT_LINUXBASE
+# include <arpa/inet.h>
+# ifndef SIOCGIFBRDADDR
+# define SIOCGIFBRDADDR 0x8919
+# endif
+#endif // QT_LINUXBASE
+
+#include <qplatformdefs.h>
+
+QT_BEGIN_NAMESPACE
+
+static QHostAddress addressFromSockaddr(sockaddr *sa)
+{
+ QHostAddress address;
+ if (!sa)
+ return address;
+
+ if (sa->sa_family == AF_INET)
+ address.setAddress(htonl(((sockaddr_in *)sa)->sin_addr.s_addr));
+#ifndef QT_NO_IPV6
+ else if (sa->sa_family == AF_INET6)
+ address.setAddress(((sockaddr_in6 *)sa)->sin6_addr.s6_addr);
+#endif
+ return address;
+
+}
+
+static QNetworkInterface::InterfaceFlags convertFlags(uint rawFlags)
+{
+ QNetworkInterface::InterfaceFlags flags = 0;
+ flags |= (rawFlags & IFF_UP) ? QNetworkInterface::IsUp : QNetworkInterface::InterfaceFlag(0);
+ flags |= (rawFlags & IFF_RUNNING) ? QNetworkInterface::IsRunning : QNetworkInterface::InterfaceFlag(0);
+ flags |= (rawFlags & IFF_BROADCAST) ? QNetworkInterface::CanBroadcast : QNetworkInterface::InterfaceFlag(0);
+ flags |= (rawFlags & IFF_LOOPBACK) ? QNetworkInterface::IsLoopBack : QNetworkInterface::InterfaceFlag(0);
+#ifdef IFF_POINTOPOINT //cygwin doesn't define IFF_POINTOPOINT
+ flags |= (rawFlags & IFF_POINTOPOINT) ? QNetworkInterface::IsPointToPoint : QNetworkInterface::InterfaceFlag(0);
+#endif
+
+#ifdef IFF_MULTICAST
+ flags |= (rawFlags & IFF_MULTICAST) ? QNetworkInterface::CanMulticast : QNetworkInterface::InterfaceFlag(0);
+#endif
+ return flags;
+}
+
+#ifdef QT_NO_GETIFADDRS
+// getifaddrs not available
+
+static const int STORAGEBUFFER_GROWTH = 256;
+
+static QSet<QByteArray> interfaceNames(int socket)
+{
+ QSet<QByteArray> result;
+#ifdef QT_NO_IPV6IFNAME
+ QByteArray storageBuffer;
+ struct ifconf interfaceList;
+
+ forever {
+ // grow the storage buffer
+ storageBuffer.resize(storageBuffer.size() + STORAGEBUFFER_GROWTH);
+ interfaceList.ifc_buf = storageBuffer.data();
+ interfaceList.ifc_len = storageBuffer.size();
+
+ // get the interface list
+ if (qt_safe_ioctl(socket, SIOCGIFCONF, &interfaceList) >= 0) {
+ if (int(interfaceList.ifc_len + sizeof(ifreq) + 64) < storageBuffer.size()) {
+ // if the buffer was big enough, break
+ storageBuffer.resize(interfaceList.ifc_len);
+ break;
+ }
+ } else {
+ // internal error
+ return result;
+ }
+ if (storageBuffer.size() > 100000) {
+ // out of space
+ return result;
+ }
+ }
+
+ int interfaceCount = interfaceList.ifc_len / sizeof(ifreq);
+ for (int i = 0; i < interfaceCount; ++i) {
+ QByteArray name = QByteArray(interfaceList.ifc_req[i].ifr_name);
+ if (!name.isEmpty())
+ result << name;
+ }
+
+ return result;
+#else
+ Q_UNUSED(socket);
+
+ // use if_nameindex
+ struct if_nameindex *interfaceList = ::if_nameindex();
+ for (struct if_nameindex *ptr = interfaceList; ptr && ptr->if_name; ++ptr)
+ result << ptr->if_name;
+
+ if_freenameindex(interfaceList);
+ return result;
+#endif
+}
+
+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;
+ iface->hardwareAddress = iface->makeHwAddress(6, addr);
+ }
+#endif
+ }
+
+ return iface;
+}
+
+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;
+}
+
+#else
+// use getifaddrs
+
+// platform-specific defs:
+# ifdef Q_OS_LINUX
+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;
+}
+
+# elif defined(Q_OS_BSD4)
+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;
+}
+
+# else // Generic version
+
+static QList<QNetworkInterfacePrivate *> createInterfaces(ifaddrs *rawList)
+{
+ QList<QNetworkInterfacePrivate *> interfaces;
+
+ // make sure there's one entry for each interface
+ for (ifaddrs *ptr = rawList; ptr; ptr = ptr->ifa_next) {
+ // Get the interface index
+ int ifindex = if_nametoindex(ptr->ifa_name);
+
+ 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
+ break;
+
+ if (if_it == interfaces.end()) {
+ // none found, create
+ QNetworkInterfacePrivate *iface = new QNetworkInterfacePrivate;
+ interfaces << iface;
+
+ iface->index = ifindex;
+ iface->name = QString::fromLatin1(ptr->ifa_name);
+ iface->flags = convertFlags(ptr->ifa_flags);
+ }
+ }
+
+ return interfaces;
+}
+
+# endif
+
+
+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;
+}
+#endif
+
+QList<QNetworkInterfacePrivate *> QNetworkInterfaceManager::scan()
+{
+ return interfaceListing();
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_NETWORKINTERFACE