48e0c4df23
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb Reviewed-by: Lars Knoll <lars.knoll@digia.com>
468 lines
15 KiB
C++
468 lines
15 KiB
C++
/****************************************************************************
|
|
**
|
|
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
|
|
** Contact: http://www.qt-project.org/legal
|
|
**
|
|
** This file is part of the QtNetwork module of the Qt Toolkit.
|
|
**
|
|
** $QT_BEGIN_LICENSE:LGPL$
|
|
** Commercial License Usage
|
|
** Licensees holding valid commercial Qt licenses may use this file in
|
|
** accordance with the commercial license agreement provided with the
|
|
** Software or, alternatively, in accordance with the terms contained in
|
|
** a written agreement between you and Digia. For licensing terms and
|
|
** conditions see http://qt.digia.com/licensing. For further information
|
|
** use the contact form at http://qt.digia.com/contact-us.
|
|
**
|
|
** 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, Digia gives you certain additional
|
|
** rights. These rights are described in the Digia Qt LGPL Exception
|
|
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
**
|
|
** GNU General Public License Usage
|
|
** Alternatively, this file may be used under the terms of the GNU
|
|
** General Public License version 3.0 as published by the Free Software
|
|
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
** packaging of this file. Please review the following information to
|
|
** ensure the GNU General Public License version 3.0 requirements will be
|
|
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
**
|
|
**
|
|
** $QT_END_LICENSE$
|
|
**
|
|
****************************************************************************/
|
|
|
|
#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>
|
|
|
|
#if defined(QT_LINUXBASE)
|
|
# define QT_NO_GETIFADDRS
|
|
#endif
|
|
|
|
#ifdef Q_OS_LINUX_ANDROID
|
|
// android lacks if_nameindex
|
|
# define QT_NO_IPV6IFNAME
|
|
#endif
|
|
|
|
#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));
|
|
else if (sa->sa_family == AF_INET6) {
|
|
address.setAddress(((sockaddr_in6 *)sa)->sin6_addr.s6_addr);
|
|
int scope = ((sockaddr_in6 *)sa)->sin6_scope_id;
|
|
if (scope) {
|
|
#ifndef QT_NO_IPV6IFNAME
|
|
char scopeid[IFNAMSIZ];
|
|
if (::if_indextoname(scope, scopeid)) {
|
|
address.setScopeId(QLatin1String(scopeid));
|
|
} else
|
|
#endif
|
|
address.setScopeId(QString::number(scope));
|
|
}
|
|
}
|
|
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.sa_data;
|
|
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 && !defined(QT_LINUXBASE)
|
|
# 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
|