/***************************************************************************
- * Copyright (C) 2005-2015 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 "clientauthhandler.h"
-// TODO: support system application proxy (new in Qt 4.6)
-
#include <QtEndian>
-
-#ifdef HAVE_SSL
- #include <QSslSocket>
-#else
- #include <QTcpSocket>
-#endif
+#include <QSslSocket>
#include "client.h"
#include "clientsettings.h"
#include "peerfactory.h"
-
-#if QT_VERSION < 0x050000
-# include "../../3rdparty/sha512/sha512.h"
-#endif
-
-using namespace Protocol;
-
-ClientAuthHandler::ClientAuthHandler(CoreAccount account, QObject *parent)
- : AuthHandler(parent),
- _peer(0),
- _account(account),
- _probing(false),
- _legacy(false),
- _connectionFeatures(0)
+#include "util.h"
+
+ClientAuthHandler::ClientAuthHandler(CoreAccount account, QObject* parent)
+ : AuthHandler(parent)
+ , _peer(nullptr)
+ , _account(account)
+ , _probing(false)
+ , _legacy(false)
+ , _connectionFeatures(0)
+{}
+
+Peer* ClientAuthHandler::peer() const
{
-
+ return _peer;
}
-
void ClientAuthHandler::connectToCore()
{
CoreAccountSettings s;
-#ifdef HAVE_SSL
- QSslSocket *socket = new QSslSocket(this);
+ auto* socket = new QSslSocket(this);
// make sure the warning is shown if we happen to connect without SSL support later
s.setAccountValue("ShowNoClientSslWarning", true);
-#else
- if (_account.useSsl()) {
- if (s.accountValue("ShowNoClientSslWarning", true).toBool()) {
- bool accepted = false;
- emit handleNoSslInClient(&accepted);
- if (!accepted) {
- emit errorMessage(tr("Unencrypted connection canceled"));
- return;
- }
- s.setAccountValue("ShowNoClientSslWarning", false);
- }
- }
- QTcpSocket *socket = new QTcpSocket(this);
-#endif
-// TODO: Handle system proxy
#ifndef QT_NO_NETWORKPROXY
- if (_account.useProxy()) {
- QNetworkProxy proxy(_account.proxyType(), _account.proxyHostName(), _account.proxyPort(), _account.proxyUser(), _account.proxyPassword());
+ QNetworkProxy proxy;
+ proxy.setType(_account.proxyType());
+ if (_account.proxyType() == QNetworkProxy::Socks5Proxy || _account.proxyType() == QNetworkProxy::HttpProxy) {
+ proxy.setHostName(_account.proxyHostName());
+ proxy.setPort(_account.proxyPort());
+ proxy.setUser(_account.proxyUser());
+ proxy.setPassword(_account.proxyPassword());
+ }
+
+ if (_account.proxyType() == QNetworkProxy::DefaultProxy) {
+ QNetworkProxyFactory::setUseSystemConfiguration(true);
+ }
+ else {
+ QNetworkProxyFactory::setUseSystemConfiguration(false);
socket->setProxy(proxy);
}
#endif
setSocket(socket);
- connect(socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), SLOT(onSocketStateChanged(QAbstractSocket::SocketState)));
- connect(socket, SIGNAL(readyRead()), SLOT(onReadyRead()));
- connect(socket, SIGNAL(connected()), SLOT(onSocketConnected()));
+ connect(socket, &QAbstractSocket::stateChanged, this, &ClientAuthHandler::onSocketStateChanged);
+ connect(socket, &QIODevice::readyRead, this, &ClientAuthHandler::onReadyRead);
+ connect(socket, &QAbstractSocket::connected, this, &ClientAuthHandler::onSocketConnected);
emit statusMessage(tr("Connecting to %1...").arg(_account.accountName()));
socket->connectToHost(_account.hostName(), _account.port());
}
-
void ClientAuthHandler::onSocketStateChanged(QAbstractSocket::SocketState socketState)
{
QString text;
- switch(socketState) {
- case QAbstractSocket::HostLookupState:
- if (!_legacy)
- text = tr("Looking up %1...").arg(_account.hostName());
- break;
- case QAbstractSocket::ConnectingState:
- if (!_legacy)
- text = tr("Connecting to %1...").arg(_account.hostName());
- break;
- case QAbstractSocket::ConnectedState:
- text = tr("Connected to %1").arg(_account.hostName());
- break;
- case QAbstractSocket::ClosingState:
- if (!_probing)
- text = tr("Disconnecting from %1...").arg(_account.hostName());
- break;
- case QAbstractSocket::UnconnectedState:
- if (!_probing) {
- text = tr("Disconnected");
- // Ensure the disconnected() signal is sent even if we haven't reached the Connected state yet.
- // The baseclass implementation will make sure to only send the signal once.
- // However, we do want to prefer a potential socket error signal that may be on route already, so
- // give this a chance to overtake us by spinning the loop...
- QTimer::singleShot(0, this, SLOT(onSocketDisconnected()));
- }
- break;
- default:
- break;
+ switch (socketState) {
+ case QAbstractSocket::HostLookupState:
+ if (!_legacy)
+ text = tr("Looking up %1...").arg(_account.hostName());
+ break;
+ case QAbstractSocket::ConnectingState:
+ if (!_legacy)
+ text = tr("Connecting to %1...").arg(_account.hostName());
+ break;
+ case QAbstractSocket::ConnectedState:
+ text = tr("Connected to %1").arg(_account.hostName());
+ break;
+ case QAbstractSocket::ClosingState:
+ if (!_probing)
+ text = tr("Disconnecting from %1...").arg(_account.hostName());
+ break;
+ case QAbstractSocket::UnconnectedState:
+ if (!_probing) {
+ text = tr("Disconnected");
+ // Ensure the disconnected() signal is sent even if we haven't reached the Connected state yet.
+ // The baseclass implementation will make sure to only send the signal once.
+ // However, we do want to prefer a potential socket error signal that may be on route already, so
+ // give this a chance to overtake us by spinning the loop...
+ QTimer::singleShot(0, this, &ClientAuthHandler::onSocketDisconnected);
+ }
+ break;
+ default:
+ break;
}
if (!text.isEmpty()) {
return;
}
- _probing = false; // all other errors are unrelated to probing and should be handled
+ _probing = false; // all other errors are unrelated to probing and should be handled
AuthHandler::onSocketError(error);
}
-
void ClientAuthHandler::onSocketDisconnected()
{
if (_probing && _legacy) {
// Remote host has closed the connection while probing
_probing = false;
- disconnect(socket(), SIGNAL(readyRead()), this, SLOT(onReadyRead()));
+ disconnect(socket(), &QIODevice::readyRead, this, &ClientAuthHandler::onReadyRead);
emit statusMessage(tr("Reconnecting in compatibility mode..."));
socket()->connectToHost(_account.hostName(), _account.port());
return;
AuthHandler::onSocketDisconnected();
}
-
void ClientAuthHandler::onSocketConnected()
{
if (_peer) {
// First connection attempt, try probing for a capable core
_probing = true;
- QDataStream stream(socket()); // stream handles the endianness for us
+ QDataStream stream(socket()); // stream handles the endianness for us
stream.setVersion(QDataStream::Qt_4_2);
quint32 magic = Protocol::magic;
-#ifdef HAVE_SSL
- if (_account.useSsl())
- magic |= Protocol::Encryption;
-#endif
+ magic |= Protocol::Encryption;
magic |= Protocol::Compression;
stream << magic;
PeerFactory::ProtoList protos = PeerFactory::supportedProtocols();
for (int i = 0; i < protos.count(); ++i) {
quint32 reply = protos[i].first;
- reply |= protos[i].second<<8;
+ reply |= protos[i].second << 8;
if (i == protos.count() - 1)
- reply |= 0x80000000; // end list
+ reply |= 0x80000000; // end list
stream << reply;
}
- socket()->flush(); // make sure the probing data is sent immediately
+ socket()->flush(); // make sure the probing data is sent immediately
return;
}
qDebug() << "Legacy core detected, switching to compatibility mode";
- RemotePeer *peer = PeerFactory::createPeer(PeerFactory::ProtoDescriptor(Protocol::LegacyProtocol, 0), this, socket(), Compressor::NoCompression, this);
+ auto* peer = PeerFactory::createPeer(PeerFactory::ProtoDescriptor(Protocol::LegacyProtocol, 0),
+ this,
+ socket(),
+ Compressor::NoCompression,
+ this);
// Only needed for the legacy peer, as all others check the protocol version before instantiation
- connect(peer, SIGNAL(protocolVersionMismatch(int,int)), SLOT(onProtocolVersionMismatch(int,int)));
+ connect(peer, &RemotePeer::protocolVersionMismatch, this, &ClientAuthHandler::onProtocolVersionMismatch);
setPeer(peer);
}
-
void ClientAuthHandler::onReadyRead()
{
if (socket()->bytesAvailable() < 4)
return;
if (!_probing)
- return; // make sure to not read more data than needed
+ return; // make sure to not read more data than needed
_probing = false;
- disconnect(socket(), SIGNAL(readyRead()), this, SLOT(onReadyRead()));
+ disconnect(socket(), &QIODevice::readyRead, this, &ClientAuthHandler::onReadyRead);
quint32 reply;
- socket()->read((char *)&reply, 4);
+ socket()->read((char*)&reply, 4);
reply = qFromBigEndian<quint32>(reply);
- Protocol::Type type = static_cast<Protocol::Type>(reply & 0xff);
- quint16 protoFeatures = static_cast<quint16>(reply>>8 & 0xffff);
- _connectionFeatures = static_cast<quint8>(reply>>24);
+ auto type = static_cast<Protocol::Type>(reply & 0xff);
+ auto protoFeatures = static_cast<quint16>(reply >> 8 & 0xffff);
+ _connectionFeatures = static_cast<quint8>(reply >> 24);
Compressor::CompressionLevel level;
if (_connectionFeatures & Protocol::Compression)
else
level = Compressor::NoCompression;
- RemotePeer *peer = PeerFactory::createPeer(PeerFactory::ProtoDescriptor(type, protoFeatures), this, socket(), level, this);
+ RemotePeer* peer = PeerFactory::createPeer(PeerFactory::ProtoDescriptor(type, protoFeatures), this, socket(), level, this);
if (!peer) {
qWarning() << "No valid protocol supported for this core!";
emit errorPopup(tr("<b>Incompatible Quassel Core!</b><br>"
}
if (peer->protocol() == Protocol::LegacyProtocol) {
- connect(peer, SIGNAL(protocolVersionMismatch(int,int)), SLOT(onProtocolVersionMismatch(int,int)));
+ connect(peer, &RemotePeer::protocolVersionMismatch, this, &ClientAuthHandler::onProtocolVersionMismatch);
_legacy = true;
}
setPeer(peer);
}
-
void ClientAuthHandler::onProtocolVersionMismatch(int actual, int expected)
{
emit errorPopup(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
- "We need at least protocol v%1, but the core speaks v%2 only.").arg(expected, actual));
+ "We need at least protocol v%1, but the core speaks v%2 only.")
+ .arg(expected, actual));
requestDisconnect(tr("Incompatible protocol version, connection to core refused"));
}
-
-void ClientAuthHandler::setPeer(RemotePeer *peer)
+void ClientAuthHandler::setPeer(RemotePeer* peer)
{
qDebug().nospace() << "Using " << qPrintable(peer->protocolName()) << "...";
_peer = peer;
- connect(_peer, SIGNAL(transferProgress(int,int)), SIGNAL(transferProgress(int,int)));
+ connect(_peer, &RemotePeer::transferProgress, this, &ClientAuthHandler::transferProgress);
// The legacy protocol enables SSL later, after registration
- if (!_account.useSsl() || _legacy)
+ if (_legacy)
startRegistration();
// otherwise, do it now
else
checkAndEnableSsl(_connectionFeatures & Protocol::Encryption);
}
-
void ClientAuthHandler::startRegistration()
{
emit statusMessage(tr("Synchronizing to core..."));
- // useSsl will be ignored by non-legacy peers
- bool useSsl = false;
-#ifdef HAVE_SSL
- useSsl = _account.useSsl();
-#endif
-
- _peer->dispatch(RegisterClient(Quassel::buildInfo().fancyVersionString, Quassel::buildInfo().buildDate, useSsl));
+ _peer->dispatch(Protocol::RegisterClient(Quassel::Features{}, Quassel::buildInfo().fancyVersionString, Quassel::buildInfo().commitDate));
}
-
-void ClientAuthHandler::handle(const ClientDenied &msg)
+void ClientAuthHandler::handle(const Protocol::ClientDenied& msg)
{
emit errorPopup(msg.errorString);
requestDisconnect(tr("The core refused connection from this client"));
}
-
-void ClientAuthHandler::handle(const ClientRegistered &msg)
+void ClientAuthHandler::handle(const Protocol::ClientRegistered& msg)
{
_coreConfigured = msg.coreConfigured;
_backendInfo = msg.backendInfo;
+ _authenticatorInfo = msg.authenticatorInfo;
- Client::setCoreFeatures(static_cast<Quassel::Features>(msg.coreFeatures));
+ _peer->setFeatures(std::move(msg.features));
// The legacy protocol enables SSL at this point
- if(_legacy && _account.useSsl())
+ if (_legacy)
checkAndEnableSsl(msg.sslSupported);
else
onConnectionReady();
}
-
void ClientAuthHandler::onConnectionReady()
{
+ const auto& coreFeatures = _peer->features();
+ auto unsupported = coreFeatures.toStringList(false);
+ if (!unsupported.isEmpty()) {
+ qInfo() << qPrintable(tr("Core does not support the following features: %1").arg(unsupported.join(", ")));
+ }
+ if (!coreFeatures.unknownFeatures().isEmpty()) {
+ qInfo() << qPrintable(tr("Core supports unknown features: %1").arg(coreFeatures.unknownFeatures().join(", ")));
+ }
+
emit connectionReady();
emit statusMessage(tr("Connected to %1").arg(_account.accountName()));
if (!_coreConfigured) {
// start wizard
- emit startCoreSetup(_backendInfo);
+ emit startCoreSetup(_backendInfo, _authenticatorInfo);
}
- else // TODO: check if we need LoginEnabled
+ else // TODO: check if we need LoginEnabled
login();
}
-
-void ClientAuthHandler::setupCore(const SetupData &setupData)
+void ClientAuthHandler::setupCore(const Protocol::SetupData& setupData)
{
_peer->dispatch(setupData);
}
-
-void ClientAuthHandler::handle(const SetupFailed &msg)
+void ClientAuthHandler::handle(const Protocol::SetupFailed& msg)
{
emit coreSetupFailed(msg.errorString);
}
-
-void ClientAuthHandler::handle(const SetupDone &msg)
+void ClientAuthHandler::handle(const Protocol::SetupDone& msg)
{
Q_UNUSED(msg)
emit coreSetupSuccessful();
}
-
-void ClientAuthHandler::login(const QString &user, const QString &password, bool remember)
+void ClientAuthHandler::login(const QString& user, const QString& password, bool remember)
{
_account.setUser(user);
_account.setPassword(password);
login();
}
-
-void ClientAuthHandler::login(const QString &previousError)
+void ClientAuthHandler::login(const QString& previousError)
{
emit statusMessage(tr("Logging in..."));
if (_account.user().isEmpty() || _account.password().isEmpty() || !previousError.isEmpty()) {
bool valid = false;
- emit userAuthenticationRequired(&_account, &valid, previousError); // *must* be a synchronous call
+ emit userAuthenticationRequired(&_account, &valid, previousError); // *must* be a synchronous call
if (!valid || _account.user().isEmpty() || _account.password().isEmpty()) {
requestDisconnect(tr("Login canceled"));
return;
}
}
- _peer->dispatch(Login(_account.user(), _account.password()));
+ _peer->dispatch(Protocol::Login(_account.user(), _account.password()));
}
-
-void ClientAuthHandler::handle(const LoginFailed &msg)
+void ClientAuthHandler::handle(const Protocol::LoginFailed& msg)
{
login(msg.errorString);
}
-
-void ClientAuthHandler::handle(const LoginSuccess &msg)
+void ClientAuthHandler::handle(const Protocol::LoginSuccess& msg)
{
Q_UNUSED(msg)
emit loginSuccessful(_account);
}
-
-void ClientAuthHandler::handle(const SessionState &msg)
+void ClientAuthHandler::handle(const Protocol::SessionState& msg)
{
- disconnect(socket(), 0, this, 0); // this is the last message we shall ever get
+ disconnect(socket(), nullptr, this, nullptr); // this is the last message we shall ever get
// give up ownership of the peer; CoreSession takes responsibility now
- _peer->setParent(0);
+ _peer->setParent(nullptr);
emit handshakeComplete(_peer, msg);
}
-
/*** SSL Stuff ***/
void ClientAuthHandler::checkAndEnableSsl(bool coreSupportsSsl)
{
-#ifndef HAVE_SSL
- Q_UNUSED(coreSupportsSsl);
-#else
CoreAccountSettings s;
- if (coreSupportsSsl && _account.useSsl()) {
+ if (coreSupportsSsl) {
// Make sure the warning is shown next time we don't have SSL in the core
s.setAccountValue("ShowNoCoreSslWarning", true);
- QSslSocket *sslSocket = qobject_cast<QSslSocket *>(socket());
- Q_ASSERT(sslSocket);
- connect(sslSocket, SIGNAL(encrypted()), SLOT(onSslSocketEncrypted()));
- connect(sslSocket, SIGNAL(sslErrors(QList<QSslError>)), SLOT(onSslErrors()));
+ connect(socket(), &QSslSocket::encrypted, this, &ClientAuthHandler::onSslSocketEncrypted);
+ connect(socket(), selectOverload<const QList<QSslError>&>(&QSslSocket::sslErrors), this, &ClientAuthHandler::onSslErrors);
qDebug() << "Starting encryption...";
- sslSocket->flush();
- sslSocket->startClientEncryption();
+ socket()->flush();
+ socket()->startClientEncryption();
}
else {
if (s.accountValue("ShowNoCoreSslWarning", true).toBool()) {
else
startRegistration();
}
-#endif
}
-#ifdef HAVE_SSL
void ClientAuthHandler::onSslSocketEncrypted()
{
- QSslSocket *socket = qobject_cast<QSslSocket *>(sender());
+ auto* socket = qobject_cast<QSslSocket*>(sender());
Q_ASSERT(socket);
if (!socket->sslErrors().count()) {
startRegistration();
}
-
void ClientAuthHandler::onSslErrors()
{
- QSslSocket *socket = qobject_cast<QSslSocket *>(sender());
- Q_ASSERT(socket);
-
CoreAccountSettings s;
QByteArray knownDigest = s.accountValue("SslCert").toByteArray();
- ClientAuthHandler::DigestVersion knownDigestVersion = static_cast<ClientAuthHandler::DigestVersion>(s.accountValue("SslCertDigestVersion").toInt());
+ ClientAuthHandler::DigestVersion knownDigestVersion = static_cast<ClientAuthHandler::DigestVersion>(
+ s.accountValue("SslCertDigestVersion").toInt());
QByteArray calculatedDigest;
switch (knownDigestVersion) {
case ClientAuthHandler::DigestVersion::Md5:
- calculatedDigest = socket->peerCertificate().digest(QCryptographicHash::Md5);
+ calculatedDigest = socket()->peerCertificate().digest(QCryptographicHash::Md5);
break;
case ClientAuthHandler::DigestVersion::Sha2_512:
-#if QT_VERSION >= 0x050000
- calculatedDigest = socket->peerCertificate().digest(QCryptographicHash::Sha512);
-#else
- calculatedDigest = sha2_512(socket->peerCertificate().toDer());
-#endif
+ calculatedDigest = socket()->peerCertificate().digest(QCryptographicHash::Sha512);
break;
default:
qWarning() << "Certificate digest version" << QString(knownDigestVersion) << "is not supported";
}
-
+
if (knownDigest != calculatedDigest) {
bool accepted = false;
bool permanently = false;
- emit handleSslErrors(socket, &accepted, &permanently);
+ emit handleSslErrors(socket(), &accepted, &permanently);
if (!accepted) {
requestDisconnect(tr("Unencrypted connection canceled"));
}
if (permanently) {
-#if QT_VERSION >= 0x050000
- s.setAccountValue("SslCert", socket->peerCertificate().digest(QCryptographicHash::Sha512));
-#else
- s.setAccountValue("SslCert", sha2_512(socket->peerCertificate().toDer()));
-#endif
+ s.setAccountValue("SslCert", socket()->peerCertificate().digest(QCryptographicHash::Sha512));
s.setAccountValue("SslCertDigestVersion", ClientAuthHandler::DigestVersion::Latest);
}
else {
}
}
else if (knownDigestVersion != ClientAuthHandler::DigestVersion::Latest) {
-#if QT_VERSION >= 0x050000
- s.setAccountValue("SslCert", socket->peerCertificate().digest(QCryptographicHash::Sha512));
-#else
- s.setAccountValue("SslCert", sha2_512(socket->peerCertificate().toDer()));
-#endif
+ s.setAccountValue("SslCert", socket()->peerCertificate().digest(QCryptographicHash::Sha512));
s.setAccountValue("SslCertDigestVersion", ClientAuthHandler::DigestVersion::Latest);
}
- socket->ignoreSslErrors();
+ socket()->ignoreSslErrors();
}
-
-#if QT_VERSION < 0x050000
-QByteArray ClientAuthHandler::sha2_512(const QByteArray &input) {
- unsigned char output[64];
- sha512((unsigned char*) input.constData(), input.size(), output, false);
- // QByteArray::fromRawData() cannot be used here because that constructor
- // does not copy "output" and the data is clobbered when the variable goes
- // out of scope.
- QByteArray result;
- result.append((char*) output, 64);
- return result;
-}
-#endif
-
-#endif /* HAVE_SSL */