summaryrefslogtreecommitdiff
path: root/src/network/kernel/qnetworkinterface_symbian.cpp
blob: 03133d0aa613397376c0bea3689bea0904961c29 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtNetwork 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.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

//#define QNETWORKINTERFACE_DEBUG

#include "qnetworkinterface.h"
#include "qnetworkinterface_p.h"
#include "../corelib/kernel/qcore_symbian_p.h"

#ifndef QT_NO_NETWORKINTERFACE

#include <in_sock.h>
#include <in_iface.h>
#include <es_sock.h>

QT_BEGIN_NAMESPACE


static QNetworkInterface::InterfaceFlags convertFlags(const TSoInetInterfaceInfo& aInfo)
{
    QNetworkInterface::InterfaceFlags flags = 0;
    flags |= (aInfo.iState == EIfUp) ? QNetworkInterface::IsUp : QNetworkInterface::InterfaceFlag(0);
    // We do not have separate flag for running in Symbian OS
    flags |= (aInfo.iState == EIfUp) ? QNetworkInterface::IsRunning : QNetworkInterface::InterfaceFlag(0);
    flags |= (aInfo.iFeatures & KIfCanBroadcast) ? QNetworkInterface::CanBroadcast : QNetworkInterface::InterfaceFlag(0);
    flags |= (aInfo.iFeatures & KIfIsLoopback) ? QNetworkInterface::IsLoopBack : QNetworkInterface::InterfaceFlag(0);
    flags |= (aInfo.iFeatures & KIfIsPointToPoint) ? QNetworkInterface::IsPointToPoint : QNetworkInterface::InterfaceFlag(0);
    flags |= (aInfo.iFeatures & KIfCanMulticast) ? QNetworkInterface::CanMulticast : QNetworkInterface::InterfaceFlag(0);
    return flags;
}

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
        }
    }

    // we will try to use routing info to detect more precisely
    // netmask and then ::postProcess() should calculate
    // broadcast addresses

    // use dummy socket to start enumerating routes
    err =  socket.SetOpt(KSoInetEnumRoutes, KSolInetRtCtrl);
    if (err) {
        socket.Close();
        socketServ.Close();
        // return what we have
        // up to this moment
        return interfaces;
    }

    TSoInetRouteInfo routeInfo;
    TPckg<TSoInetRouteInfo> routeInfoPkg(routeInfo);
    while (socket.GetOpt(KSoInetNextRoute, KSolInetRtCtrl, routeInfoPkg) == KErrNone) {
        TName address;

        // get interface address
        routeInfo.iIfAddr.Output(address);
        QHostAddress ifAddr(qt_TDesC2QString(address));
        if (ifAddr.isNull())
            continue;

        routeInfo.iDstAddr.Output(address);
        QHostAddress destination(qt_TDesC2QString(address));
        if (destination.isNull() || destination != ifAddr)
            continue;

        // search interfaces
        for (int ifindex = 0; ifindex < interfaces.size(); ++ifindex) {
            QNetworkInterfacePrivate *iface = interfaces.at(ifindex);
            for (int eindex = 0; eindex < iface->addressEntries.size(); ++eindex) {
                QNetworkAddressEntry entry = iface->addressEntries.at(eindex);
                if (entry.ip() != ifAddr) {
                    continue;
                } else if (entry.ip().protocol() != QAbstractSocket::IPv4Protocol) {
                    // skip if not IPv4 address (e.g. IPv6)
                    // as results not reliable on Symbian
                    continue;
                } else {
                    routeInfo.iNetMask.Output(address);
                    QHostAddress netmask(qt_TDesC2QString(address));
                    entry.setNetmask(netmask);
                    // NULL boradcast address for
                    // ::postProcess to have effect
                    entry.setBroadcast(QHostAddress());
                    iface->addressEntries.replace(eindex, entry);
                }
            }
        }
    }

    socket.Close();
    socketServ.Close();

    return interfaces;
}

QList<QNetworkInterfacePrivate *> QNetworkInterfaceManager::scan()
{
    return interfaceListing();
}

QT_END_NAMESPACE

#endif // QT_NO_NETWORKINTERFACE