/***************************************************************************
- * Copyright (C) 2005-2018 by the Quassel Project *
+ * Copyright (C) 2005-2022 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
+#include <utility>
+
#include <QtEndian>
#include <QHostAddress>
+#include <QSslSocket>
#include <QTimer>
-#ifdef HAVE_SSL
-# include <QSslSocket>
-#else
-# include <QTcpSocket>
-#endif
-
+#include "proxyline.h"
#include "remotepeer.h"
#include "util.h"
using namespace Protocol;
-const quint32 maxMessageSize = 64 * 1024 * 1024; // This is uncompressed size. 64 MB should be enough for any sort of initData or backlog chunk
-
-RemotePeer::RemotePeer(::AuthHandler *authHandler, QTcpSocket *socket, Compressor::CompressionLevel level, QObject *parent)
- : Peer(authHandler, parent),
- _socket(socket),
- _compressor(new Compressor(socket, level, this)),
- _signalProxy(nullptr),
- _heartBeatTimer(new QTimer(this)),
- _heartBeatCount(0),
- _lag(0),
- _msgSize(0)
+const quint32 maxMessageSize = 64 * 1024
+ * 1024; // This is uncompressed size. 64 MB should be enough for any sort of initData or backlog chunk
+
+RemotePeer::RemotePeer(::AuthHandler* authHandler, QTcpSocket* socket, Compressor::CompressionLevel level, QObject* parent)
+ : Peer(authHandler, parent)
+ , _socket(socket)
+ , _compressor(new Compressor(socket, level, this))
+ , _signalProxy(nullptr)
+ , _proxyLine({})
+ , _useProxyLine(false)
+ , _heartBeatTimer(new QTimer(this))
+ , _heartBeatCount(0)
+ , _lag(0)
+ , _msgSize(0)
{
socket->setParent(this);
connect(socket, &QAbstractSocket::stateChanged, this, &RemotePeer::onSocketStateChanged);
connect(socket, selectOverload<QAbstractSocket::SocketError>(&QAbstractSocket::error), this, &RemotePeer::onSocketError);
connect(socket, &QAbstractSocket::disconnected, this, &Peer::disconnected);
-#ifdef HAVE_SSL
- auto *sslSocket = qobject_cast<QSslSocket *>(socket);
+ auto* sslSocket = qobject_cast<QSslSocket*>(socket);
if (sslSocket) {
connect(sslSocket, &QSslSocket::encrypted, this, [this]() { emit secureStateChanged(true); });
}
-#endif
connect(_compressor, &Compressor::readyRead, this, &RemotePeer::onReadyRead);
connect(_compressor, &Compressor::error, this, &RemotePeer::onCompressionError);
connect(_heartBeatTimer, &QTimer::timeout, this, &RemotePeer::sendHeartBeat);
}
-
void RemotePeer::onSocketStateChanged(QAbstractSocket::SocketState state)
{
if (state == QAbstractSocket::ClosingState) {
}
}
-
void RemotePeer::onSocketError(QAbstractSocket::SocketError error)
{
emit socketError(error, socket()->errorString());
}
-
void RemotePeer::onCompressionError(Compressor::Error error)
{
close(QString("Compression error %1").arg(error));
}
-
QString RemotePeer::description() const
{
- if (socket())
- return socket()->peerAddress().toString();
+ return address();
+}
+
+QHostAddress RemotePeer::hostAddress() const
+{
+ if (_useProxyLine) {
+ return _proxyLine.sourceHost;
+ }
+ else if (socket()) {
+ return socket()->peerAddress();
+ }
- return QString();
+ return {};
}
QString RemotePeer::address() const
{
- if (socket())
- return socket()->peerAddress().toString();
-
- return QString();
+ QHostAddress address = hostAddress();
+ if (address.isNull()) {
+ return {};
+ }
+ else {
+ return address.toString();
+ }
}
quint16 RemotePeer::port() const
{
- if (socket())
+ if (_useProxyLine) {
+ return _proxyLine.sourcePort;
+ }
+ else if (socket()) {
return socket()->peerPort();
+ }
return 0;
}
-
-::SignalProxy *RemotePeer::signalProxy() const
+::SignalProxy* RemotePeer::signalProxy() const
{
return _signalProxy;
}
-
-void RemotePeer::setSignalProxy(::SignalProxy *proxy)
+void RemotePeer::setSignalProxy(::SignalProxy* proxy)
{
if (proxy == _signalProxy)
return;
}
}
-
void RemotePeer::changeHeartBeatInterval(int secs)
{
- if(secs <= 0)
+ if (secs <= 0)
_heartBeatTimer->stop();
else {
_heartBeatTimer->setInterval(secs * 1000);
}
}
-
int RemotePeer::lag() const
{
return _lag;
}
-
-QTcpSocket *RemotePeer::socket() const
+QTcpSocket* RemotePeer::socket() const
{
return _socket;
}
-
bool RemotePeer::isSecure() const
{
if (socket()) {
if (isLocal())
return true;
-#ifdef HAVE_SSL
- auto *sslSocket = qobject_cast<QSslSocket *>(socket());
+ auto* sslSocket = qobject_cast<QSslSocket*>(socket());
if (sslSocket && sslSocket->isEncrypted())
return true;
-#endif
}
return false;
}
-
bool RemotePeer::isLocal() const
{
- if (socket()) {
- if (socket()->peerAddress() == QHostAddress::LocalHost || socket()->peerAddress() == QHostAddress::LocalHostIPv6)
- return true;
- }
- return false;
+ return hostAddress() == QHostAddress::LocalHost ||
+ hostAddress() == QHostAddress::LocalHostIPv6;
}
-
bool RemotePeer::isOpen() const
{
return socket() && socket()->state() == QTcpSocket::ConnectedState;
}
-
-void RemotePeer::close(const QString &reason)
+void RemotePeer::close(const QString& reason)
{
if (!reason.isEmpty()) {
qWarning() << "Disconnecting:" << reason;
}
}
-
void RemotePeer::onReadyRead()
{
QByteArray msg;
}
}
-
-bool RemotePeer::readMessage(QByteArray &msg)
+bool RemotePeer::readMessage(QByteArray& msg)
{
if (_msgSize == 0) {
if (_compressor->bytesAvailable() < 4)
return false;
- _compressor->read((char*)&_msgSize, 4);
+ _compressor->read((char*) &_msgSize, 4);
_msgSize = qFromBigEndian<quint32>(_msgSize);
if (_msgSize > maxMessageSize) {
return true;
}
-
-void RemotePeer::writeMessage(const QByteArray &msg)
+void RemotePeer::writeMessage(const QByteArray& msg)
{
auto size = qToBigEndian<quint32>(msg.size());
_compressor->write((const char*)&size, 4, Compressor::NoFlush);
_compressor->write(msg.constData(), msg.size());
}
-
-void RemotePeer::handle(const HeartBeat &heartBeat)
+void RemotePeer::handle(const HeartBeat& heartBeat)
{
dispatch(HeartBeatReply(heartBeat.timestamp));
}
-
-void RemotePeer::handle(const HeartBeatReply &heartBeatReply)
+void RemotePeer::handle(const HeartBeatReply& heartBeatReply)
{
_heartBeatCount = 0;
emit lagUpdated(heartBeatReply.timestamp.msecsTo(QDateTime::currentDateTime().toUTC()) / 2);
}
-
void RemotePeer::sendHeartBeat()
{
if (signalProxy()->maxHeartBeatCount() > 0 && _heartBeatCount >= signalProxy()->maxHeartBeatCount()) {
- qWarning() << "Disconnecting peer:" << description()
- << "(didn't receive a heartbeat for over" << _heartBeatCount *_heartBeatTimer->interval() / 1000 << "seconds)";
+ qWarning() << "Disconnecting peer:" << description() << "(didn't receive a heartbeat for over"
+ << _heartBeatCount * _heartBeatTimer->interval() / 1000 << "seconds)";
socket()->close();
_heartBeatTimer->stop();
return;
dispatch(HeartBeat(QDateTime::currentDateTime().toUTC()));
++_heartBeatCount;
}
+
+void RemotePeer::setProxyLine(ProxyLine proxyLine)
+{
+ _proxyLine = std::move(proxyLine);
+
+ if (socket()) {
+ if (_proxyLine.protocol != QAbstractSocket::UnknownNetworkLayerProtocol) {
+ QList<QString> subnets = Quassel::optionValue("proxy-cidr").split(",");
+ for (const QString& subnet : subnets) {
+ if (socket()->peerAddress().isInSubnet(QHostAddress::parseSubnet(subnet))) {
+ _useProxyLine = true;
+ return;
+ }
+ }
+ }
+ }
+ _useProxyLine = false;
+}
projects / quassel.git / blobdiff