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-rw-r--r--src/network/kernel/qdnslookup_p.h211
1 files changed, 129 insertions, 82 deletions
diff --git a/src/network/kernel/qdnslookup_p.h b/src/network/kernel/qdnslookup_p.h
index 8c3c2ed3e1..da4721411b 100644
--- a/src/network/kernel/qdnslookup_p.h
+++ b/src/network/kernel/qdnslookup_p.h
@@ -1,41 +1,6 @@
-/****************************************************************************
-**
-** Copyright (C) 2012 Jeremy Lainé <jeremy.laine@m4x.org>
-** Contact: https://www.qt.io/licensing/
-**
-** 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 The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/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 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2012 Jeremy Lainé <jeremy.laine@m4x.org>
+// Copyright (C) 2023 Intel Corporation.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QDNSLOOKUP_P_H
#define QDNSLOOKUP_P_H
@@ -54,13 +19,13 @@
#include <QtNetwork/private/qtnetworkglobal_p.h>
#include "QtCore/qmutex.h"
#include "QtCore/qrunnable.h"
-#include "QtCore/qsharedpointer.h"
#if QT_CONFIG(thread)
#include "QtCore/qthreadpool.h"
#endif
#include "QtNetwork/qdnslookup.h"
#include "QtNetwork/qhostaddress.h"
#include "private/qobject_p.h"
+#include "private/qurl_p.h"
QT_REQUIRE_CONFIG(dnslookup);
@@ -68,16 +33,16 @@ QT_BEGIN_NAMESPACE
//#define QDNSLOOKUP_DEBUG
+constexpr qsizetype MaxDomainNameLength = 255;
+constexpr quint16 DnsPort = 53;
+
class QDnsLookupRunnable;
+QDebug operator<<(QDebug &, QDnsLookupRunnable *);
class QDnsLookupReply
{
public:
- QDnsLookupReply()
- : error(QDnsLookup::NoError)
- { }
-
- QDnsLookup::Error error;
+ QDnsLookup::Error error = QDnsLookup::NoError;
QString errorString;
QList<QDnsDomainNameRecord> canonicalNameRecords;
@@ -87,27 +52,120 @@ public:
QList<QDnsDomainNameRecord> pointerRecords;
QList<QDnsServiceRecord> serviceRecords;
QList<QDnsTextRecord> textRecords;
+
+ // helper methods
+ void setError(QDnsLookup::Error err, QString &&msg)
+ {
+ error = err;
+ errorString = std::move(msg);
+ }
+
+ void makeResolverSystemError(int code = -1)
+ {
+ Q_ASSERT(allAreEmpty());
+ setError(QDnsLookup::ResolverError, qt_error_string(code));
+ }
+
+ void makeTimeoutError()
+ {
+ Q_ASSERT(allAreEmpty());
+ setError(QDnsLookup::TimeoutError, QDnsLookup::tr("Request timed out"));
+ }
+
+ void makeDnsRcodeError(quint8 rcode)
+ {
+ Q_ASSERT(allAreEmpty());
+ switch (rcode) {
+ case 1: // FORMERR
+ error = QDnsLookup::InvalidRequestError;
+ errorString = QDnsLookup::tr("Server could not process query");
+ return;
+ case 2: // SERVFAIL
+ case 4: // NOTIMP
+ error = QDnsLookup::ServerFailureError;
+ errorString = QDnsLookup::tr("Server failure");
+ return;
+ case 3: // NXDOMAIN
+ error = QDnsLookup::NotFoundError;
+ errorString = QDnsLookup::tr("Non existent domain");
+ return;
+ case 5: // REFUSED
+ error = QDnsLookup::ServerRefusedError;
+ errorString = QDnsLookup::tr("Server refused to answer");
+ return;
+ default:
+ error = QDnsLookup::InvalidReplyError;
+ errorString = QDnsLookup::tr("Invalid reply received (rcode %1)")
+ .arg(rcode);
+ return;
+ }
+ }
+
+ void makeInvalidReplyError(QString &&msg = QString())
+ {
+ if (msg.isEmpty())
+ msg = QDnsLookup::tr("Invalid reply received");
+ else
+ msg = QDnsLookup::tr("Invalid reply received (%1)").arg(std::move(msg));
+ *this = QDnsLookupReply(); // empty our lists
+ setError(QDnsLookup::InvalidReplyError, std::move(msg));
+ }
+
+private:
+ bool allAreEmpty() const
+ {
+ return canonicalNameRecords.isEmpty()
+ && hostAddressRecords.isEmpty()
+ && mailExchangeRecords.isEmpty()
+ && nameServerRecords.isEmpty()
+ && pointerRecords.isEmpty()
+ && serviceRecords.isEmpty()
+ && textRecords.isEmpty();
+ }
};
class QDnsLookupPrivate : public QObjectPrivate
{
public:
QDnsLookupPrivate()
- : isFinished(false)
- , type(QDnsLookup::A)
- , runnable(nullptr)
+ : type(QDnsLookup::A)
+ , port(DnsPort)
{ }
- void _q_lookupFinished(const QDnsLookupReply &reply);
+ void nameChanged()
+ {
+ emit q_func()->nameChanged(name);
+ }
+ Q_OBJECT_BINDABLE_PROPERTY(QDnsLookupPrivate, QString, name,
+ &QDnsLookupPrivate::nameChanged);
+
+ void nameserverChanged()
+ {
+ emit q_func()->nameserverChanged(nameserver);
+ }
+ Q_OBJECT_BINDABLE_PROPERTY(QDnsLookupPrivate, QHostAddress, nameserver,
+ &QDnsLookupPrivate::nameserverChanged);
+
+ void typeChanged()
+ {
+ emit q_func()->typeChanged(type);
+ }
+
+ Q_OBJECT_BINDABLE_PROPERTY(QDnsLookupPrivate, QDnsLookup::Type,
+ type, &QDnsLookupPrivate::typeChanged);
+
+ void nameserverPortChanged()
+ {
+ emit q_func()->nameserverPortChanged(port);
+ }
+
+ Q_OBJECT_BINDABLE_PROPERTY(QDnsLookupPrivate, quint16,
+ port, &QDnsLookupPrivate::nameserverPortChanged);
- static const char *msgNoIpV6NameServerAdresses;
- bool isFinished;
- QString name;
- QDnsLookup::Type type;
- QHostAddress nameserver;
QDnsLookupReply reply;
- QDnsLookupRunnable *runnable;
+ QDnsLookupRunnable *runnable = nullptr;
+ bool isFinished = false;
Q_DECLARE_PUBLIC(QDnsLookup)
};
@@ -117,40 +175,31 @@ class QDnsLookupRunnable : public QObject, public QRunnable
Q_OBJECT
public:
- QDnsLookupRunnable(QDnsLookup::Type type, const QByteArray &name, const QHostAddress &nameserver)
- : requestType(type)
- , requestName(name)
- , nameserver(nameserver)
- { }
+#ifdef Q_OS_WIN
+ using EncodedLabel = QString;
+#else
+ using EncodedLabel = QByteArray;
+#endif
+
+ QDnsLookupRunnable(const QDnsLookupPrivate *d);
void run() override;
signals:
void finished(const QDnsLookupReply &reply);
private:
- static void query(const int requestType, const QByteArray &requestName, const QHostAddress &nameserver, QDnsLookupReply *reply);
- QDnsLookup::Type requestType;
- QByteArray requestName;
- QHostAddress nameserver;
-};
-
-#if QT_CONFIG(thread)
-class QDnsLookupThreadPool : public QThreadPool
-{
- Q_OBJECT
+ template <typename T> static QString decodeLabel(T encodedLabel)
+ {
+ return qt_ACE_do(encodedLabel.toString(), NormalizeAce, ForbidLeadingDot);
+ }
+ void query(QDnsLookupReply *reply);
-public:
- QDnsLookupThreadPool();
- void start(QRunnable *runnable);
-
-private slots:
- void _q_applicationDestroyed();
-
-private:
- QMutex signalsMutex;
- bool signalsConnected;
+ EncodedLabel requestName;
+ QHostAddress nameserver;
+ QDnsLookup::Type requestType;
+ quint16 port;
+ friend QDebug operator<<(QDebug &, QDnsLookupRunnable *);
};
-#endif // QT_CONFIG(thread)
class QDnsRecordPrivate : public QSharedData
{
@@ -218,6 +267,4 @@ public:
QT_END_NAMESPACE
-Q_DECLARE_METATYPE(QDnsLookupReply)
-
#endif // QDNSLOOKUP_P_H
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-06 17:18:59 +0000