/***************************************************************************
- * Copyright (C) 2005-2019 by the Quassel Project *
+ * Copyright (C) 2005-2020 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
#include "coreauthhandler.h"
-#ifdef HAVE_SSL
-# include <QSslSocket>
-#endif
+#include <QtEndian>
+
+#include <QSslSocket>
#include "core.h"
-CoreAuthHandler::CoreAuthHandler(QTcpSocket* socket, QObject* parent)
+CoreAuthHandler::CoreAuthHandler(QSslSocket* socket, QObject* parent)
: AuthHandler(parent)
, _peer(nullptr)
+ , _metricsServer(Core::instance()->metricsServer())
+ , _proxyReceived(false)
+ , _proxyLine({})
+ , _useProxyLine(false)
, _magicReceived(false)
, _legacy(false)
, _clientRegistered(false)
void CoreAuthHandler::onReadyRead()
{
- if (socket()->bytesAvailable() < 4)
- return;
-
// once we have selected a peer, we certainly don't want to read more data!
if (_peer)
return;
+ if (!_proxyReceived) {
+ quint32 magic;
+ socket()->peek((char*) &magic, 4);
+ magic = qFromBigEndian<quint32>(magic);
+
+ if (magic == Protocol::proxyMagic) {
+ if (!socket()->canReadLine()) {
+ return;
+ }
+ QByteArray line = socket()->readLine(108);
+ _proxyLine = ProxyLine::parseProxyLine(line);
+ 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;
+ break;
+ }
+ }
+ }
+ }
+ _proxyReceived = true;
+ }
+
+ if (socket()->bytesAvailable() < 4)
+ return;
+
if (!_magicReceived) {
quint32 magic;
socket()->peek((char*)&magic, 4);
RemotePeer* peer = PeerFactory::createPeer(_supportedProtos, this, socket(), level, this);
if (!peer) {
- qWarning() << "Received invalid handshake data from client" << socket()->peerAddress().toString();
+ qWarning() << "Received invalid handshake data from client" << hostAddress().toString();
close();
return;
}
qDebug().nospace() << "Using " << qPrintable(peer->protocolName()) << "...";
_peer = peer;
+ if (_proxyLine.protocol != QAbstractSocket::UnknownNetworkLayerProtocol) {
+ _peer->setProxyLine(_proxyLine);
+ }
disconnect(socket(), &QIODevice::readyRead, this, &CoreAuthHandler::onReadyRead);
}
bool CoreAuthHandler::checkClientRegistered()
{
if (!_clientRegistered) {
- qWarning() << qPrintable(tr("Client")) << qPrintable(socket()->peerAddress().toString())
+ qWarning() << qPrintable(tr("Client")) << qPrintable(hostAddress().toString())
<< qPrintable(tr("did not send a registration message before trying to login, rejecting."));
_peer->dispatch(
Protocol::ClientDenied(tr("<b>Client not initialized!</b><br>You need to send a registration message before trying to login.")));
useSsl = _connectionFeatures & Protocol::Encryption;
if (Quassel::isOptionSet("require-ssl") && !useSsl && !_peer->isLocal()) {
- qInfo() << qPrintable(tr("SSL required but non-SSL connection attempt from %1").arg(socket()->peerAddress().toString()));
+ qInfo() << qPrintable(tr("SSL required but non-SSL connection attempt from %1").arg(hostAddress().toString()));
_peer->dispatch(Protocol::ClientDenied(tr("<b>SSL is required!</b><br>You need to use SSL in order to connect to this core.")));
_peer->close();
return;
return;
if (!Core::isConfigured()) {
- qWarning() << qPrintable(tr("Client")) << qPrintable(socket()->peerAddress().toString())
+ qWarning() << qPrintable(tr("Client")) << qPrintable(hostAddress().toString())
<< qPrintable(tr("attempted to login before the core was configured, rejecting."));
_peer->dispatch(Protocol::ClientDenied(
tr("<b>Attempted to login before core was configured!</b><br>The core must be configured before attempting to login.")));
}
if (uid == 0) {
- qInfo() << qPrintable(tr("Invalid login attempt from %1 as \"%2\"").arg(socket()->peerAddress().toString(), msg.user));
+ qInfo() << qPrintable(tr("Invalid login attempt from %1 as \"%2\"").arg(hostAddress().toString(), msg.user));
_peer->dispatch(Protocol::LoginFailed(tr(
"<b>Invalid username or password!</b><br>The username/password combination you supplied could not be found in the database.")));
+ if (_metricsServer) {
+ _metricsServer->addLoginAttempt(msg.user, false);
+ }
return;
}
_peer->dispatch(Protocol::LoginSuccess());
+ if (_metricsServer) {
+ _metricsServer->addLoginAttempt(uid, true);
+ }
qInfo() << qPrintable(tr("Client %1 initialized and authenticated successfully as \"%2\" (UserId: %3).")
- .arg(socket()->peerAddress().toString(), msg.user, QString::number(uid.toInt())));
+ .arg(_peer->address(), msg.user, QString::number(uid.toInt())));
const auto& clientFeatures = _peer->features();
auto unsupported = clientFeatures.toStringList(false);
emit handshakeComplete(_peer, uid);
}
+QHostAddress CoreAuthHandler::hostAddress() const
+{
+ if (_useProxyLine) {
+ return _proxyLine.sourceHost;
+ }
+ else if (socket()) {
+ return socket()->peerAddress();
+ }
+
+ return {};
+}
+
+bool CoreAuthHandler::isLocal() const
+{
+ return hostAddress() == QHostAddress::LocalHost ||
+ hostAddress() == QHostAddress::LocalHostIPv6;
+}
+
/*** SSL Stuff ***/
void CoreAuthHandler::startSsl()
{
-#ifdef HAVE_SSL
- auto* sslSocket = qobject_cast<QSslSocket*>(socket());
- Q_ASSERT(sslSocket);
-
qDebug() << qPrintable(tr("Starting encryption for Client:")) << _peer->description();
- connect(sslSocket, selectOverload<const QList<QSslError>&>(&QSslSocket::sslErrors), this, &CoreAuthHandler::onSslErrors);
- sslSocket->flush(); // ensure that the write cache is flushed before we switch to ssl (bug 682)
- sslSocket->startServerEncryption();
-#endif /* HAVE_SSL */
+ connect(socket(), selectOverload<const QList<QSslError>&>(&QSslSocket::sslErrors), this, &CoreAuthHandler::onSslErrors);
+ socket()->flush(); // ensure that the write cache is flushed before we switch to ssl (bug 682)
+ socket()->startServerEncryption();
}
-#ifdef HAVE_SSL
void CoreAuthHandler::onSslErrors()
{
- auto* sslSocket = qobject_cast<QSslSocket*>(socket());
- Q_ASSERT(sslSocket);
- sslSocket->ignoreSslErrors();
+ socket()->ignoreSslErrors();
}
-#endif
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