| 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 | |
|---|
| 4 | #ifndef QHOSTADDRESSPRIVATE_H |
|---|
| 5 | #define QHOSTADDRESSPRIVATE_H |
|---|
| 6 | |
|---|
| 7 | // |
|---|
| 8 | // W A R N I N G |
|---|
| 9 | // ------------- |
|---|
| 10 | // |
|---|
| 11 | // This file is not part of the Qt API. It exists for the convenience |
|---|
| 12 | // of the QHostAddress and QNetworkInterface classes. This header file may change from |
|---|
| 13 | // version to version without notice, or even be removed. |
|---|
| 14 | // |
|---|
| 15 | // We mean it. |
|---|
| 16 | // |
|---|
| 17 | |
|---|
| 18 | #include <QtNetwork/private/qtnetworkglobal_p.h> |
|---|
| 19 | #include "qhostaddress.h" |
|---|
| 20 | #include "qabstractsocket.h" |
|---|
| 21 | |
|---|
| 22 | QT_BEGIN_NAMESPACE |
|---|
| 23 | |
|---|
| 24 | enum AddressClassification { |
|---|
| 25 | LoopbackAddress = 1, |
|---|
| 26 | LocalNetAddress, // RFC 1122 |
|---|
| 27 | LinkLocalAddress, // RFC 4291 (v6), RFC 3927 (v4) |
|---|
| 28 | MulticastAddress, // RFC 4291 (v6), RFC 3171 (v4) |
|---|
| 29 | BroadcastAddress, // RFC 919, 922 |
|---|
| 30 | |
|---|
| 31 | GlobalAddress = 16, |
|---|
| 32 | TestNetworkAddress, // RFC 3849 (v6), RFC 5737 (v4), |
|---|
| 33 | PrivateNetworkAddress, // RFC 1918 |
|---|
| 34 | UniqueLocalAddress, // RFC 4193 |
|---|
| 35 | SiteLocalAddress, // RFC 4291 (deprecated by RFC 3879, should be treated as global) |
|---|
| 36 | |
|---|
| 37 | UnknownAddress = 0 // unclassified or reserved |
|---|
| 38 | }; |
|---|
| 39 | |
|---|
| 40 | class QNetmask |
|---|
| 41 | { |
|---|
| 42 | // stores 0-32 for IPv4, 0-128 for IPv6, or 255 for invalid |
|---|
| 43 | quint8 length; |
|---|
| 44 | public: |
|---|
| 45 | constexpr QNetmask() : length(255) {} |
|---|
| 46 | |
|---|
| 47 | bool setAddress(const QHostAddress &address); |
|---|
| 48 | QHostAddress address(QAbstractSocket::NetworkLayerProtocol protocol) const; |
|---|
| 49 | |
|---|
| 50 | int prefixLength() const { return length == 255 ? -1 : length; } |
|---|
| 51 | void setPrefixLength(QAbstractSocket::NetworkLayerProtocol proto, int len) |
|---|
| 52 | { |
|---|
| 53 | int maxlen = -1; |
|---|
| 54 | if (proto == QAbstractSocket::IPv4Protocol) |
|---|
| 55 | maxlen = 32; |
|---|
| 56 | else if (proto == QAbstractSocket::IPv6Protocol) |
|---|
| 57 | maxlen = 128; |
|---|
| 58 | if (len > maxlen || len < 0) |
|---|
| 59 | length = 255U; |
|---|
| 60 | else |
|---|
| 61 | length = unsigned(len); |
|---|
| 62 | } |
|---|
| 63 | |
|---|
| 64 | friend bool operator==(QNetmask n1, QNetmask n2) |
|---|
| 65 | { return n1.length == n2.length; } |
|---|
| 66 | }; |
|---|
| 67 | |
|---|
| 68 | class QHostAddressPrivate : public QSharedData |
|---|
| 69 | { |
|---|
| 70 | public: |
|---|
| 71 | QHostAddressPrivate(); |
|---|
| 72 | |
|---|
| 73 | void setAddress(quint32 a_ = 0); |
|---|
| 74 | void setAddress(const quint8 *a_); |
|---|
| 75 | void setAddress(const Q_IPV6ADDR &a_); |
|---|
| 76 | |
|---|
| 77 | bool parse(const QString &ipString); |
|---|
| 78 | void clear(); |
|---|
| 79 | |
|---|
| 80 | QString scopeId; |
|---|
| 81 | |
|---|
| 82 | union { |
|---|
| 83 | Q_IPV6ADDR a6; // IPv6 address |
|---|
| 84 | struct { quint64 c[2]; } a6_64; |
|---|
| 85 | struct { quint32 c[4]; } a6_32; |
|---|
| 86 | }; |
|---|
| 87 | quint32 a; // IPv4 address |
|---|
| 88 | qint8 protocol; |
|---|
| 89 | |
|---|
| 90 | AddressClassification classify() const; |
|---|
| 91 | static AddressClassification classify(const QHostAddress &address) |
|---|
| 92 | { return address.d->classify(); } |
|---|
| 93 | |
|---|
| 94 | friend class QHostAddress; |
|---|
| 95 | }; |
|---|
| 96 | |
|---|
| 97 | QT_END_NAMESPACE |
|---|
| 98 | |
|---|
| 99 | #endif |
|---|
| 100 | |
|---|
