| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | // Qt-Security score:significant reason:default |
| 4 | |
| 5 | #ifndef QNETWORKINTERFACEPRIVATE_H |
| 6 | #define QNETWORKINTERFACEPRIVATE_H |
| 7 | |
| 8 | // |
| 9 | // W A R N I N G |
| 10 | // ------------- |
| 11 | // |
| 12 | // This file is not part of the Qt API. It exists purely as an |
| 13 | // implementation detail. This header file may change from version to |
| 14 | // version without notice, or even be removed. |
| 15 | // |
| 16 | // We mean it. |
| 17 | // |
| 18 | |
| 19 | #include <QtNetwork/private/qtnetworkglobal_p.h> |
| 20 | #include <QtNetwork/qnetworkinterface.h> |
| 21 | #include <QtCore/qatomic.h> |
| 22 | #include <QtCore/qdeadlinetimer.h> |
| 23 | #include <QtCore/qlist.h> |
| 24 | #include <QtCore/qstring.h> |
| 25 | #include <QtNetwork/qhostaddress.h> |
| 26 | #include <QtNetwork/qabstractsocket.h> |
| 27 | #include <private/qhostaddress_p.h> |
| 28 | |
| 29 | #ifndef QT_NO_NETWORKINTERFACE |
| 30 | |
| 31 | QT_BEGIN_NAMESPACE |
| 32 | |
| 33 | class QNetworkAddressEntryPrivate |
| 34 | { |
| 35 | public: |
| 36 | QHostAddress address; |
| 37 | QHostAddress broadcast; |
| 38 | QDeadlineTimer preferredLifetime = QDeadlineTimer::Forever; |
| 39 | QDeadlineTimer validityLifetime = QDeadlineTimer::Forever; |
| 40 | |
| 41 | QNetmask netmask; |
| 42 | bool lifetimeKnown = false; |
| 43 | QNetworkAddressEntry::DnsEligibilityStatus dnsEligibility = QNetworkAddressEntry::DnsEligibilityUnknown; |
| 44 | }; |
| 45 | |
| 46 | class QNetworkInterfacePrivate: public QSharedData |
| 47 | { |
| 48 | public: |
| 49 | QNetworkInterfacePrivate() : index(0) |
| 50 | { } |
| 51 | ~QNetworkInterfacePrivate() |
| 52 | { } |
| 53 | |
| 54 | int index; // interface index, if know |
| 55 | int mtu = 0; |
| 56 | QNetworkInterface::InterfaceFlags flags; |
| 57 | QNetworkInterface::InterfaceType type = QNetworkInterface::Unknown; |
| 58 | |
| 59 | QString name; |
| 60 | QString friendlyName; |
| 61 | QString hardwareAddress; |
| 62 | |
| 63 | QList<QNetworkAddressEntry> addressEntries; |
| 64 | |
| 65 | static QString makeHwAddress(int len, uchar *data); |
| 66 | static void calculateDnsEligibility(QNetworkAddressEntry *entry, bool isTemporary, |
| 67 | bool isDeprecated) |
| 68 | { |
| 69 | // this implements an algorithm that yields the same results as Windows |
| 70 | // produces, for the same input (as far as I can test) |
| 71 | if (isTemporary || isDeprecated) { |
| 72 | entry->setDnsEligibility(QNetworkAddressEntry::DnsIneligible); |
| 73 | } else { |
| 74 | AddressClassification cl = QHostAddressPrivate::classify(address: entry->ip()); |
| 75 | if (cl == LoopbackAddress || cl == LinkLocalAddress) |
| 76 | entry->setDnsEligibility(QNetworkAddressEntry::DnsIneligible); |
| 77 | else |
| 78 | entry->setDnsEligibility(QNetworkAddressEntry::DnsEligible); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | private: |
| 83 | // disallow copying -- avoid detaching |
| 84 | QNetworkInterfacePrivate &operator=(const QNetworkInterfacePrivate &other); |
| 85 | QNetworkInterfacePrivate(const QNetworkInterfacePrivate &other); |
| 86 | }; |
| 87 | |
| 88 | class QNetworkInterfaceManager |
| 89 | { |
| 90 | public: |
| 91 | QNetworkInterfaceManager(); |
| 92 | ~QNetworkInterfaceManager(); |
| 93 | |
| 94 | QSharedDataPointer<QNetworkInterfacePrivate> interfaceFromName(const QString &name); |
| 95 | QSharedDataPointer<QNetworkInterfacePrivate> interfaceFromIndex(int index); |
| 96 | QList<QSharedDataPointer<QNetworkInterfacePrivate> > allInterfaces(); |
| 97 | |
| 98 | static uint interfaceIndexFromName(const QString &name); |
| 99 | static QString interfaceNameFromIndex(uint index); |
| 100 | |
| 101 | // convenience: |
| 102 | QSharedDataPointer<QNetworkInterfacePrivate> empty; |
| 103 | |
| 104 | private: |
| 105 | QList<QNetworkInterfacePrivate *> scan(); |
| 106 | }; |
| 107 | |
| 108 | |
| 109 | QT_END_NAMESPACE |
| 110 | |
| 111 | #endif // QT_NO_NETWORKINTERFACE |
| 112 | |
| 113 | #endif |
| 114 |